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Latest Observation

25 Stations

Daily Data | America/Los_Angeles
as of 5/27/26 10:50 AM PDT
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Station Date Daily Max Temp (°F) Time of Max Temp Daily Min Temp (°F) Time of Min Temp Dew Pt (°F) RH (%) Daily Max RH (%) Daily Min RH (%) Wind Spd (mph) Daily Max Wind (mph) Time of Max Wind Max Wind Dir (°) Daily Rain (In) Season Precip (In) Daily ETo (in) Daily Solar Rad (Cal/cm2) Powdery Mildew Stress (pts)
Rockpile Upper (Cooley) 5/26/26 59.7   6.1 1457 42.7   1.6 0616 41.7   4.3 76   7 100   0 45   5 13.7   7.8 39.7   12.5 1603 NW | 318 0.00 42.15 0.169   0.009 719   101 60   10
Rockpile Lower (Cooley) 5/26/26 63.2   4.4 1329 46.9   0.5 0607 42.4   4.9 69   9 90   10 41   7 10.2   5.4 29.4   3.5 1526 WNW | 285 0.00 41.50 - - 60   10
Cloverdale-East (Ranch 83) 5/26/26 69.6   4.1 1437 48.6   4.4 0646 43.3   5.9 - - - 5.1   1.9 22.0   2.1 1523 NW | 314 0.00 35.00 0.201   0.034 662   95 70   10
Cloverdale-SE (Ranch 38) 5/26/26 67.9   3.1 1323 49.2   1.8 0630 44.2   5.6 63   15 82   16 41   8 10.2   5.4 26.4   5.4 1109 NW | 323 0.00 36.53 0.198   0.049 638   127 50   10
Geyserville-North (Hoffman) 5/26/26 71.2   1.2 1345 50.0   2.3 0625 44.4   5.9 58   15 80   16 37   15 5.4   2.0 20.8   4.2 1413 W | 259 0.00 25.50 0.197   0.064 621   207 40   10
Geyserville (Ranch 3) 5/26/26 70.5   0.1 1356 51.8   0.4 0626 43.2   6.2 55   17 75   25 33   16 6.8   3.1 20.1   3.5 1050 NW | 310 0.00 35.89 0.229   0.084 736   273 70   10
Geyserville-East (Ranch 40) 5/26/26 69.8   0.2 1431 49.1   0.3 0538 44.6   5.2 63   18 88   12 39   14 6.3   1.3 24.7   5.9 0928 NNW | 329 0.00 36.81 0.201   0.065 694   208 20   10
Geyserville-South (Nervo Station) 5/26/26 71.8   0.8 1319 51.5   0.8 0615 - - - - 7.0   3.6 24.2   4.0 1425 W | 276 0.00 27.02 - - 10   10
Peterson (Ranch 09) 5/26/26 71.5   2.2 1457 51.6   0.8 0618 41.7   6.6 53   20 75   21 30   19 8.4   4.8 22.5   6.9 0745 NW | 310 0.00 33.62 0.233   0.082 688   179 0   0
Crazy Creek Ranch 5/26/26 70.4   0.7 1353 49.7   1.9 0054 45.5   5.4 61   18 83   15 39   17 6.2   3.1 24.1   7.9 1424 WNW | 288 0.00 37.13 0.214   0.082 700   245 20   10
Whitton Ranch (201e) 5/26/26 71.9   0.8 1352 51.4   0.2 0610 43.8   6.1 57   19 80   19 34   15 6.2   3.3 19.5   5.5 0930 WNW | 297 0.00 37.99 0.207   0.068 652   189 40   10
Lytton East (Shop Hill Bottom) 5/26/26 70.3   0.3 1533 50.2   1.1 0212 43.2   5.7 57   18 89   11 35   11 6.2   2.8 22.4   6.0 1124 W | 277 0.00 38.78 0.218   0.061 717   171 20   10
Lytton East (Hill 5) 5/26/26 69.6   0.9 1518 51.2   0.8 0213 43.1   5.9 58   18 84   14 35   11 10.3   5.3 26.7   6.2 1541 NW | 306 0.00 38.24 0.217   0.070 650   160 20   10
Lytton West Lower (Lew 6) 5/26/26 70.2   0.5 1351 50.2   1.0 0151 43.4   5.6 58   17 87   13 35   12 7.2   3.4 22.4   5.0 1919 W | 272 0.00 38.66 0.206   0.046 626   80 10   10
Lytton West Hill (23PS) 5/26/26 70.6   0.1 1355 51.7   0.5 0610 43.5   5.7 57   16 84   16 35   11 7.5   3.8 21.4   6.7 1507 NW | 305 0.00 40.38 0.214   0.043 648   44 10   10
Big River 5/26/26 70.5   3.4 1334 51.5   0.8 0630 45.2   4.8 61   18 85   15 38   18 6.3   2.6 23.9   5.8 1230 W | 280 0.00 35.49 0.221   0.072 746   212 20   10
Jimtown-North (Piccolo Ranch 15) 5/26/26 71.0   0.5 1405 51.5   0.1 0611 42.4   6.8 54   20 77   23 31   16 4.7   2.2 24.4   9.7 0912 WNW | 294 0.00 34.88 0.191   0.069 596   206 20   10
HWY 128/Chalk Hill Rd (Landslide) 5/26/26 73.0   3.7 1412 47.7   3.2 0046 44.0   5.2 57   18 90   6 32   18 4.7   1.1 19.0   4.6 1233 SW | 235 0.00 34.74 0.199   0.076 606   216 20   10
N Chalk Hill Rd (Ranch 63) 5/26/26 71.1   3.7 1336 49.1   0.4 0058 42.8   5.3 55   18 82   15 33   19 6.9   3.0 22.5   7.1 0828 WNW | 293 0.00 35.63 0.212   0.080 631   202 20   10
Newman Knights Valley 5/26/26 70.6   3.7 1507 44.6   6.2 0049 47.7   1.7 67   10 85   3 53   11 5.8   2.0 22.6   7.2 1609 W | 269 0.00 35.06 - - 20   10
Knights Valley (Bavarian Lion) 5/26/26 70.1   2.4 1531 45.5   4.1 0054 42.8   5.2 58   17 90   5 32   19 6.4   2.0 20.6   3.8 1258 NW | 309 0.00 34.75 0.204   0.064 653   164 30   10
Red Tail 5/26/26 72.0   6.5 1516 46.6   3.5 0043 45.7   3.7 62   16 88   4 39   23 6.3   2.4 22.6   2.6 1556 WSW | 257 0.00 35.82 0.214   0.080 685   201 20   10
Franz Valley (Stornetta) 5/26/26 71.0   5.0 1323 46.8   3.1 0059 42.5   5.2 - 85   9 32   19 4.6   2.1 22.2   8.2 1420 W | 270 0.00 35.29 - - 60   10
Upper Dry Creek Valley 5/26/26 69.0   3.6 1438 52.4   0.1 0218 43.5   5.4 57   12 83   12 36   8 6.6   2.8 21.8   3.7 1455 W | 279 0.00 39.08 0.211   0.044 700   151 50   10
Lower Dry Creek Valley 5/26/26 72.6   0.6 1507 51.9   0.1 0618 43.4   5.6 55   16 80   20 32   11 10.1   6.5 23.9   4.6 1434 W | 280 0.00 38.16 0.231   0.064 642   90 20   10
Max   73.0 - 52.4 - 47.7 76 100 53 13.7 39.7 - - 0.00 42.15 0.233 746 -
Avg   - - - - 43.7 60 - - 7.2 - - - - - - - -
Min   59.7 - 42.7 - 41.7 53 75 30 4.6 19.0 - - 0.00 25.50 0.169 596 -

Sonoma County-Central Daily Obs

37 Stations

Daily Data | America/Los_Angeles
as of 5/27/26 10:50 AM PDT
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Station Date Daily Max Temp (°F) Time of Max Temp Daily Min Temp (°F) Time of Min Temp Dew Pt (°F) RH (%) Daily Max RH (%) Daily Min RH (%) Wind Spd (mph) Daily Max Wind (mph) Time of Max Wind Daily Rain (In) Season Precip (In) Daily ETo (in) Daily Solar Rad (Cal/cm2) Powdery Mildew Stress (pts)
Windsor-NW (Ranch 8) 5/26/26 72.0   4.2 1519 52.2   1.5 0545 46.3   3.1 61 83   2 38   21 0.0 0.1   12.3 1654 0.00 34.10 0.180   0.049 690   193 0
Windsor-East (Ranch 16) 5/26/26 73.0   9.0 1421 49.8   0.6 0348 43.8   4.7 57 91   9 31   25 5.4 19.2   3.8 1730 0.00 27.01 0.225   0.112 722   355 20
Mark West-North (Ranch 14) 5/26/26 71.5   6.8 1419 51.4   1.1 0612 42.9   5.4 54 85   12 29   25 2.6 10.2   3.9 1319 0.00 29.03 0.043   0.024 0   0 60
Windsor-SE (Silk Rd) 5/26/26 71.8   6.8 1520 50.9   0.1 0345 43.2   5.5 55 92   6 31   25 5.0 20.8   2.3 1335 0.00 26.48 0.215   0.082 697   226 20
Fulton-NW (Ranch 5) 5/26/26 71.1   7.0 1419 51.2   0.8 0406 43.6   5.2 56 89   8 32   26 6.5 20.6   4.4 0914 0.00 29.89 0.225   0.109 708   311 40
Bisordi (Fulton) 5/26/26 71.9   8.5 1432 50.9   0.2 0405 46.3   3.7 61 90   5 37   28 4.2 17.8   1.2 1631 0.00 24.35 0.219   0.108 761   365 40
Windsor-South (Laughlin Rd) 5/26/26 73.1   6.4 1550 52.2   1.6 0554 42.9   5.4 54 85   9 30   23 - - - 0.00 28.55 - - 10
Fulton-SE (Barnes Rd) 5/26/26 74.1   11.8 1411 49.4   1.5 0617 44.9   3.7 59 90   4 32   29 5.8 22.1   5.6 1709 0.00 28.57 - - 10
Fulton-SW (Ranch 21) 5/26/26 72.9   9.1 1542 49.4   0.7 0559 43.4   4.9 56 89   11 30   30 5.2 18.3   0.3 1650 0.00 29.17 0.224   0.106 718   310 50
NW Santa Rosa (Piner Road) 5/26/26 75.9   13.4 1506 48.3   2.4 0603 47.5   3.9 65 100   0 32   37 1.5 10.0   9.0 1304 0.00 23.80 - - 50
River Rd South (Denner Ranch) 5/26/26 73.6   8.9 1524 48.5   1.6 0041 36.7   20.3 52 100   0 0   0 6.0 21.9   1.5 0903 - - - - 60
West Santa Rosa (LOV Vineyard) 5/26/26 73.3   10.4 1544 48.7   1.9 0059 43.0   5.6 57 91   4 27   34 4.3 17.8   0.5 1054 0.00 23.02 0.069   0.039 1   0 50
Guerneville Rd (Prokopakis) 5/26/26 73.0   5.7 1537 48.7   3.1 0054 44.4   4.9 59 92   2 30   23 - - - 0.00 28.14 - - 20
SunnyView Vineyard (SCWC) 5/26/26 73.0   10.4 1518 46.3   4.2 0057 42.5   5.4 56 89   6 26   32 5.5 20.0   2.0 1628 0.00 30.69 0.209   0.100 628   279 60
Guerneville Rd West (Balletto) 5/26/26 73.1   10.4 1533 47.1   4.0 0059 45.9   4.2 62 92   5 33   34 4.5 24.6   5.0 1502 0.00 28.22 - - 50
Sanchietti Ranch 5/26/26 72.9   9.3 1517 46.2   5.8 0051 47.3   3.8 - 93   1 37   31 4.2 19.9   0.4 1031 0.00 28.89 - - 20
Occidental Rd (Sebastopol) 5/26/26 73.1   9.3 1426 45.8   4.9 0053 50.4   4.9 74 100   0 40   40 4.4 20.8   1.5 1137 0.00 11.49 - - 50
Harper's Rest (Windsor-West) 5/26/26 71.1   4.9 1459 49.2   0.4 0238 42.1   5.5 - 91   3 30   22 3.9 17.9   2.7 1753 0.00 34.66 - - 30
Lower Westside Rd (Ranch 12) 5/26/26 72.4   6.7 1541 49.5   1.5 0337 42.5   5.6 55 92   2 29   25 3.6 18.6   1.1 1101 0.00 33.35 - - 10
Guerneville (Laughlin Rd) 5/26/26 72.3   9.3 1515 45.4   6.2 0600 42.8   5.0 58 93   4 31   27 3.1 19.2   2.8 1521 0.00 44.34 - - 10
Korbel (Winery) 5/26/26 72.5   7.5 1536 47.6   4.4 0552 43.6   4.8 58 92   2 30   27 2.1 20.3   6.9 1423 0.00 41.51 - - 40
Forestville (Shone Farms) 5/26/26 74.3   8.0 1524 49.6   0.4 0330 43.6   4.9 55 89   7 30   27 4.6 20.8   1.5 1436 0.00 35.56 0.216   0.074 686   166 20
Forestville-NE (Ranch 30) 5/26/26 71.6   6.7 1507 47.0   2.7 0605 45.2   4.1 63 94   2 37   24 5.6 23.1   2.9 1335 0.00 33.46 0.214   0.073 710   165 10
Foggy Bend (Ranch 41) 5/26/26 72.5   8.1 1435 47.6   3.6 0610 46.7   3.1 64 93   0 40   24 5.0 23.2   2.6 0930 0.00 34.76 0.210   0.063 711   146 20
Last Stop 5/26/26 71.5   8.0 1409 45.0   6.0 0059 44.7   4.3 61 96   4 35   28 3.9 18.8   0.7 1425 0.00 33.76 0.206   0.080 713   229 20
Green Valley Vineyard 5/26/26 71.1   8.8 1429 47.3   2.8 0053 44.4   4.2 61 94   1 31   30 3.5 21.5   2.2 1707 0.00 41.26 0.065   0.040 76   76 40
Park Royal 5/26/26 73.3   10.4 1428 45.4   5.3 0557 42.2   5.7 56 94   0 26   33 - - - 0.00 16.67 - - 50
Merino 5/26/26 73.3   9.9 1413 43.8   5.5 0059 45.7   4.9 65 100   1 33   33 4.1 18.4   4.9 1040 0.00 29.67 0.203   0.107 677   333 50
Green Valley (Sanchietti) 5/26/26 74.9   8.3 1421 45.2   6.4 0611 - - - - - - - - - - - 10
Keefer Ranch (Green Valley) 5/26/26 72.3   10.0 1435 45.4   5.9 0638 46.3   3.2 66 95   2 36   29 - - - 0.00 36.76 - - 50
Graton-West (Dutton Ranch) 5/26/26 74.1   11.4 1402 45.9   5.3 0045 47.9   7.6 70 100   0 32   48 2.6 18.2   3.2 1331 0.00 44.86 - - 50
Graton-South (Mill Station Rd) 5/26/26 69.4   8.8 1329 45.6   4.9 0047 45.2   3.9 79 93   4 64   2 0.0 12.3   1.2 1644 0.00 34.07 - - 50
Occidental (Horseshoe Bend) 5/26/26 66.4   9.0 1247 45.1   3.5 0550 46.0   3.2 - 100   0 40   34 - - - 0.00 37.09 - - 50
Sexton Valley (Jacqueline's Blk) 5/26/26 68.6   8.7 1240 45.6   5.1 0054 47.9   2.4 73 97   1 43   29 3.5 20.3   4.1 1448 0.00 22.51 - - 50
Sebastopol Hills (Burnside Rd) 5/26/26 67.6   9.1 1255 48.0   0.9 0622 47.3   2.6 72 96   4 43   31 3.9 15.1   2.3 1522 0.00 33.47 - - 0
Pleasant Hill 5/26/26 70.9   9.8 1315 45.6   4.0 0101 45.3   3.8 - 95   0 32   32 3.5 18.7   3.3 1513 0.00 31.57 - - 60
Seaview/Fort Ross (Hirsch) 5/26/26 59.8   6.3 1443 43.2   2.2 0603 44.8   2.0 81 97   0 62   21 6.0 27.7   14.1 0936 0.01 53.66 0.154   0.100 690   468 30
Max   75.9 - 52.2 - 50.4 81 100 64 6.5 27.7 - 0.01 53.66 0.225 761 -
Avg   - - - - 44.7 62 - - 4.0 - - - - - - -
Min   59.8 - 43.2 - 36.7 52 83 0 0.0 0.1 - 0.00 11.49 0.043 0 -

Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 5/27/26 10:50 AM PDT
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Station Date Daily Max Temp (°F) Time of Max Temp Daily Min Temp (°F) Time of Min Temp Dew Pt (°F) Daily Max RH (%) Daily Min RH (%) Wind Spd (mph) Daily Max Wind (mph) Time of Max Wind Max Wind Dir (°) Daily Rain (In) Season Precip (In) Daily ETo (in) Daily Solar Rad (Cal/cm2) Powdery Mildew Stress (pts)
Upper Rincon Valley 5/26/26 69.1   10.9 1603 44.3   2.8 0639 42.6   4.9 94   4 34   35 2.3   0.2 14.0   0.6 1701 NNE | 17 0.00 5.89 0.133   0.082 445   274 60   10
Lower Bennett Valley 5/26/26 70.9   12.2 1553 47.8   1.5 0624 44.8   4.3 95   5 34   37 4.8   1.2 18.3   3.9 1037 NNW | 348 0.00 27.61 0.183   0.118 596   382 40   10
Kenwood (Wildwood) 5/26/26 71.8   12.7 1353 44.4   4.6 0059 44.6   4.1 93   6 33   37 4.0   0.1 19.6   5.0 1421 NNW | 334 0.00 31.95 0.180   0.107 603   348 20   10
Sonoma Valley (Bedrock) 5/26/26 71.0   6.9 1353 50.6   1.0 0631 43.6   2.9 85   6 30   24 - - - - 0.00 27.98 - - 20   10
Sonoma-West (Arnold) 5/26/26 71.0   7.1 1426 47.8   3.3 2341 46.0   1.9 88   1 34   22 5.1   0.6 22.9   4.5 1421 WSW | 253 0.00 17.88 0.221   0.109 756   394 50   10
Sonoma Valley HS 5/26/26 70.2   6.1 1418 50.3   0.9 0050 48.7   1.2 95   2 40   21 3.5   0.2 11.2   2.7 1725 NNW | 329 0.00 6.62 0.192   0.082 693   304 20   10
Sonoma East (Bundschu01) 5/26/26 70.8   5.3 1506 46.3   5.1 0045 45.8   1.9 90   4 33   17 5.2   1.3 23.7   2.9 1419 W | 260 0.00 21.64 0.199   0.071 666   267 50   10
Schellville (Sasaki) 2/4/26 70.2 1502 39.9 0001 48.4 98 51 2.9 11.8 1113 NE | 34 0.00 0.00 - - 0
Sonoma-SE (Napoli) 5/26/26 71.2   5.1 1335 46.1   5.0 0052 46.2   1.7 90   4 34   16 4.5   1.7 20.2   3.4 1419 WSW | 249 0.00 18.49 - - 20   10
Ricci Vineyards (Carneros) 5/26/26 70.9   4.9 1344 49.8   0.9 0059 46.5   1.7 88   2 33   17 7.6   0.1 24.3   6.0 1535 W | 259 0.00 22.95 0.213   0.091 719   346 60   10
Carneros (Ranch 71) 5/26/26 68.9   5.4 1440 49.3   0.5 0058 46.5   1.5 92   1 36   18 8.2   2.7 28.5   5.7 1549 WSW | 254 0.00 19.86 0.205   0.088 713   349 50   10
Carneros Upper (Ranch 81) 5/26/26 69.5   5.7 1402 49.5   0.3 0059 46.0   1.7 - - 10.2   2.7 32.4   5.8 1619 WSW | 249 - - - - 50   10
Carneros Lower (Ranch 81) 5/26/26 75.1   5.7 1500 48.7   2.3 0101 47.5   1.6 93   4 36   11 1.7   0.7 14.3   1.8 0810 NNW | 328 0.00 19.42 0.164   0.067 569   239 50   10
Rohnert Park-West (Stony Point) 5/26/26 68.9   9.6 1445 44.2   6.2 0049 48.5   1.8 94   3 43   30 5.1   0.4 21.8   3.6 1417 WSW | 253 0.00 11.83 - - 40   10
Cartograph Wines Base 5/26/26 66.6   8.7 1154 48.4   1.0 0004 48.8   1.5 96   1 46   31 6.8   0.8 24.8   4.4 1549 SW | 224 0.00 28.36 0.167   0.101 646   395 0   0
Cartograph Wines Remote 5/26/26 69.7   10.2 1154 45.8   4.4 0059 - - - - - - - - - - - 20   10
Rice-Spivak Vineyard 5/26/26 72.4   11.9 1145 36.6   13.2 0056 - - - - - - - - - - - 40   10
Penngrove (Asellus) 5/26/26 70.6   9.3 1326 42.7   7.4 0057 45.7   2.8 96   3 33   28 4.5   0.6 19.6   0.8 1007 NW | 325 0.00 67.81 - - 50   10
Petaluma (Ranch 10) 5/26/26 69.1   5.3 1514 47.4   3.6 0059 46.8   1.6 90   3 34   20 5.8   0.2 24.2   7.0 1551 W | 262 0.00 19.63 0.196   0.101 671   396 10   10
Max   75.1 - 50.6 - 48.8 96 46 10.2 32.4 - - 0.00 67.81 0.221 756 -
Avg   - - - - 46.2 - - 5.3 - - - - - - - -
Min   66.6 - 36.6 - 42.6 85 30 1.7 11.2 - - 0.00 5.89 0.133 445 -