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Latest Observation

25 Stations

Daily Data | America/Los_Angeles
as of 9/27/26 6:28 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) 9/26/26 76.3   2.5 1413 49.0   1.1 0306 42.8   5.0 55   14 86   14 23   4 6.1   4.4 19.5   8.1 0253 NNW | 343 0.00 0.33 0.135   0.026 351   146 50   10
Rockpile Lower (Cooley) 9/26/26 78.4   2.5 1313 51.4   2.6 0537 44.1   4.3 54   9 82   8 22   3 2.5   4.5 12.9   10.4 1555 W | 280 0.00 0.33 - - 40   10
Cloverdale-East (Ranch 83) 9/26/26 79.0   3.8 1404 46.3   5.6 0604 46.9   1.3 - - - 2.0   1.2 11.7   4.4 1024 NNW | 333 0.00 0.12 0.106   0.039 305   99 100   10
Cloverdale-SE (Ranch 38) 9/26/26 77.2   5.3 1413 50.7   6.7 0657 47.9   1.9 59   1 86   0 32   4 4.3   2.2 14.0   9.5 1405 NNW | 344 0.00 0.11 0.120   0.033 289   100 60   20
Geyserville-North (Hoffman) 9/26/26 78.6   6.1 1516 42.9   8.5 0540 48.2   1.4 64   8 92   8 31   9 1.8   1.7 9.6   8.6 1243 SSE | 155 0.00 0.00 0.106   0.044 314   116 70   20
Geyserville (Ranch 3) 9/26/26 78.3   4.4 1512 44.0   9.5 0612 46.6   1.5 61   9 100   20 26   8 1.7   2.6 10.0   4.4 1353 SE | 133 0.00 0.13 0.102   0.051 291   106 70   20
Geyserville-East (Ranch 40) 9/26/26 75.8   9.7 1502 50.3   5.4 0700 48.6   1.3 65   7 89   4 32   9 4.4   0.1 14.5   4.4 1900 SE | 142 0.00 0.12 0.121   0.036 322   120 40   20
Geyserville-South (Nervo Station) 9/26/26 77.3   6.1 1514 48.6   6.7 0634 - - - - 2.0   2.1 9.8   9.1 1406 ESE | 123 0.00 0.21 - - 40   20
Peterson (Ranch 09) 9/26/26 76.4   7.6 1459 41.6   7.6 0625 45.0   1.0 62   10 90   10 25   9 1.7   2.4 8.6   8.3 2044 S | 180 0.00 0.20 0.102   0.066 312   141 20   20
Crazy Creek Ranch 9/26/26 77.1   6.4 1503 43.1   5.5 0619 48.1   0.3 67   8 97   10 32   8 1.2   1.9 7.5   11.2 1343 SSW | 203 0.00 0.23 0.098   0.065 333   136 50   20
Whitton Ranch (201e) 9/26/26 78.8   4.7 1526 39.3   6.1 0630 46.0   1.3 66   12 100   7 27   9 1.7   1.6 8.5   7.0 1320 SE | 127 0.00 0.29 0.095   0.052 280   104 60   20
Lytton East (Shop Hill Bottom) 9/26/26 77.5   5.6 1526 42.5   7.7 0611 46.2   0.5 65   13 95   10 26   11 2.1   2.0 10.4   5.6 1315 SSE | 149 0.00 0.27 0.111   0.062 334   136 50   20
Lytton East (Hill 5) 9/26/26 76.9   5.4 1544 46.0   7.9 0741 47.2   0.8 64   12 94   16 27   12 2.9   4.0 11.4   10.0 1645 SE | 130 0.00 0.25 0.110   0.074 295   122 100   20
Lytton West Lower (Lew 6) 9/26/26 77.1   6.3 1608 41.9   7.0 0644 46.1   0.2 65   12 94   9 29   13 1.9   2.6 11.2   5.7 1259 S | 174 0.00 0.28 0.109   0.070 330   144 50   20
Lytton West Hill (23PS) 9/26/26 76.9   6.3 1508 47.4   6.1 0707 48.0   1.3 65   13 93   11 31   15 2.5   1.9 11.5   4.3 1905 SSE | 157 0.00 0.26 0.112   0.069 338   150 100   0
Big River 9/26/26 77.1   7.1 1511 45.5   6.7 0712 48.7   0.2 68   10 97   11 33   13 1.6   0.7 9.1   3.9 1836 S | 185 0.00 0.28 0.097   0.045 299   111 100   0
Jimtown-North (Piccolo Ranch 15) 9/26/26 79.2   4.7 1516 41.2   5.6 0632 44.6   0.5 62   9 100   22 24   8 0.8   1.6 6.8   9.4 1345 SSW | 202 0.00 0.20 0.085   0.055 287   124 50   20
HWY 128/Chalk Hill Rd (Landslide) 9/26/26 80.0   7.4 1501 41.4   5.6 0720 46.3   0.2 66   5 95   4 28   13 1.3   0.8 8.6   6.1 1257 SSE | 150 0.00 0.31 0.095   0.044 280   104 20   20
N Chalk Hill Rd (Ranch 63) 9/26/26 78.0   6.2 1513 39.1   6.8 0637 45.1   0.7 65   5 99   8 29   13 1.6   1.0 8.2   6.4 1622 S | 171 0.00 0.29 0.100   0.045 299   99 30   20
Newman Knights Valley 9/26/26 77.0   6.4 1514 40.4   6.0 0701 48.2   1.6 69   6 88   5 47   10 1.8   0.5 10.4   5.8 1335 SW | 228 0.00 0.40 - - 40   20
Knights Valley (Bavarian Lion) 9/26/26 78.5   5.1 1515 38.1   5.6 0726 44.4   0.0 67   10 97   3 27   12 1.6   1.4 10.5   3.6 1713 SW | 218 0.00 0.26 0.105   0.045 328   101 60   20
Red Tail 9/26/26 78.1   6.9 1510 41.5   8.5 0721 48.0   0.8 70   8 94   4 37   20 1.9   0.9 11.2   2.5 1618 S | 185 0.00 0.29 0.102   0.046 320   121 100   10
Franz Valley (Stornetta) 9/26/26 80.1   4.3 1533 39.0   6.3 0649 44.8   0.3 - 94   6 29   14 1.0   0.5 9.5   6.3 1526 NNW | 341 0.00 0.43 - - 100   20
Upper Dry Creek Valley 9/26/26 78.5   3.7 1438 44.3   11.5 0614 47.6   0.9 63   9 95   8 29   17 1.9   2.3 10.6   6.1 1300 E | 88 0.00 0.14 0.115   0.054 347   123 90   20
Lower Dry Creek Valley 9/26/26 77.2   6.2 1514 42.2   7.9 0635 46.6   0.3 65   11 100   16 31   18 1.1   4.0 11.3   6.0 1328 SSW | 192 0.00 0.26 0.096   0.092 314   133 100   20
Max   80.1 - 51.4 - 48.7 70 100 47 6.1 19.5 - - 0.00 0.43 0.135 351 -
Avg   - - - - 46.5 64 - - 2.1 - - - - - - - -
Min   75.8 - 38.1 - 42.8 54 82 22 0.8 6.8 - - 0.00 0.00 0.085 280 -

Sonoma County-Central Daily Obs

37 Stations

Daily Data | America/Los_Angeles
as of 9/27/26 6:28 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) 9/26/26 78.9   9.5 1434 46.6   6.3 0700 49.5   0.5 70 85   3 35   15 0.0 6.1   2.3 1739 0.00 0.50 0.090   0.032 330   113 20
Windsor-East (Ranch 16) 9/26/26 79.1   6.6 1522 42.2   5.3 0658 47.0   0.3 69 95   5 32   12 2.4 11.8   1.2 1312 0.00 0.23 0.109   0.042 316   122 60
Mark West-North (Ranch 14) 9/26/26 80.1   5.7 1506 43.9   6.2 0618 47.0   0.3 68 94   7 30   9 1.2 8.6   0.5 1550 0.00 0.24 - - 30
Windsor-SE (Silk Rd) 9/26/26 78.4   6.0 1455 40.9   5.1 0626 46.9   1.4 71 94   1 33   7 1.4 9.5   1.4 1522 0.00 0.32 0.103   0.037 331   108 50
Fulton-NW (Ranch 5) 9/26/26 78.2   4.9 1518 42.5   6.0 0715 47.3   1.3 71 92   2 36   10 2.3 10.5   3.3 1819 0.00 0.23 0.105   0.043 326   125 50
Bisordi (Fulton) 9/26/26 77.6   5.7 1515 40.6   4.8 0706 48.4   1.9 75 95   3 41   10 1.4 9.7   3.5 1526 0.00 0.22 0.100   0.050 342   141 50
Windsor-South (Laughlin Rd) 9/26/26 79.1   6.5 1510 45.2   4.8 0444 48.3   1.5 71 94   5 32   6 - - - 0.00 0.17 - - 50
Fulton-SE (Barnes Rd) 9/26/26 76.9   8.0 1416 43.8   6.7 0712 48.2   1.7 71 91   4 37   11 0.8 10.2   0.8 2040 0.00 0.29 - - 50
Fulton-SW (Ranch 21) 9/26/26 77.1   5.7 1509 43.5   4.4 0716 47.9   1.2 73 94   4 37   9 2.2 11.1   3.1 1522 0.00 0.20 0.108   0.049 344   144 50
NW Santa Rosa (Piner Road) 9/26/26 76.3   6.5 1505 40.5   5.2 0710 50.4   1.9 82 100   0 43   10 1.6 9.8   4.2 1510 0.00 0.00 - - 50
River Rd South (Denner Ranch) 9/26/26 77.6   6.3 1514 40.8   6.9 0723 -9.4   22.1 29 100   0 0   0 3.0 14.0   3.1 1533 - - - - 60
West Santa Rosa (LOV Vineyard) 8/25/26 85.6   5.6 1427 51.5   1.4 0051 53.4   2.0 73 96   2 24   16 1.5 11.9   1.3 1443 0.00 0.00 0.029   0.002 0   0 100
Guerneville Rd (Prokopakis) 9/26/26 79.4   6.0 1519 40.6   5.8 0717 47.6   1.2 73 96   3 36   9 - - - 0.00 0.24 - - 10
SunnyView Vineyard (SCWC) 9/26/26 77.5   5.5 1413 40.1   4.2 0631 46.4   1.2 73 94   4 37   10 1.4 10.6   2.6 1431 0.00 0.27 0.093   0.038 295   101 50
Guerneville Rd West (Balletto) 9/26/26 76.0   7.5 1418 41.3   4.1 0633 48.7   1.7 76 94   1 43   10 1.9 10.6   1.6 1519 0.00 0.43 - - 50
Sanchietti Ranch 9/26/26 76.8   7.0 1406 41.1   4.7 0710 49.6   2.0 - 96   4 46   11 2.4 12.9   1.9 1326 0.00 0.28 - - 50
Occidental Rd (Sebastopol) 9/26/26 76.4   7.0 1328 41.7   4.2 0622 52.2   2.7 87 100   0 50   13 1.7 11.6   2.2 1505 0.00 0.20 - - 50
Harper's Rest (Windsor-West) 9/26/26 79.0   6.5 1458 43.5   4.4 0734 47.1   0.5 - 98   6 30   7 1.5 8.5   2.8 1415 0.00 0.45 - - 70
Lower Westside Rd (Ranch 12) 9/26/26 78.1   6.3 1358 42.3   5.4 0703 47.2   1.0 71 98   8 30   6 1.4 10.0   1.5 1453 0.00 0.45 - - 60
Guerneville (Laughlin Rd) 9/26/26 75.7   7.3 1233 41.7   4.8 0652 47.3   1.0 72 94   1 35   14 1.3 11.6   3.8 1408 0.00 0.81 - - 60
Korbel (Winery) 9/26/26 77.3   5.8 1242 43.3   4.2 0719 48.4   1.4 72 96   0 36   12 0.5 7.7   4.5 1323 0.00 0.52 - - 90
Forestville (Shone Farms) 9/26/26 79.0   5.6 1427 43.4   6.9 0719 48.4   1.9 71 94   4 33   5 1.4 12.8   1.0 1444 0.00 0.43 0.104   0.033 339   95 60
Forestville-NE (Ranch 30) 9/26/26 77.8   6.1 1420 42.7   4.0 0652 49.0   1.9 75 99   3 35   5 1.8 13.7   1.6 1451 0.00 0.40 0.107   0.037 350   100 50
Foggy Bend (Ranch 41) 9/26/26 77.3   5.5 1422 42.4   5.4 0727 49.9   2.4 76 97   2 42   5 1.6 12.8   1.0 1450 0.00 0.42 0.106   0.031 354   82 60
Last Stop 9/26/26 79.4   4.8 1429 41.7   5.1 0731 47.8   2.3 73 98   3 36   5 1.4 12.8   0.4 1448 0.00 0.39 0.104   0.036 344   102 50
Green Valley Vineyard 9/26/26 77.1   4.5 1435 44.4   4.5 0624 48.2   1.6 73 97   6 34   3 1.5 12.3   2.2 1451 0.00 0.57 0.023   0.009 0   0 60
Park Royal 9/26/26 76.8   6.0 1406 42.3   4.8 0704 47.3   0.9 72 94   4 36   9 - - - 0.00 0.21 - - 50
Merino 9/26/26 78.7   7.5 1413 38.8   5.7 0718 48.5   2.0 78 100   0 40   10 1.5 10.7   0.4 1506 0.00 0.33 0.103   0.045 346   126 20
Green Valley (Sanchietti) 9/26/26 77.6   3.8 1509 41.1   6.7 0706 - - - - - - - - - - - 60
Keefer Ranch (Green Valley) 9/26/26 77.9   3.1 1511 39.9   4.9 0713 47.9   2.6 77 98   1 38   5 - - - 0.00 0.48 - - 60
Graton-West (Dutton Ranch) 9/26/26 77.7   5.3 1506 41.0   4.6 0712 57.9   4.1 100 100   0 100   1 1.2 8.6   6.9 1450 0.00 0.61 - - 90
Graton-South (Mill Station Rd) 9/26/26 73.4   7.1 1410 38.8   6.7 0707 47.7   2.0 78 96   2 46   16 0.5 6.1   1.3 1450 0.00 0.41 - - 80
Occidental (Horseshoe Bend) 9/26/26 73.2   4.3 1511 49.4   2.5 0334 49.8   1.5 - 96   2 39   3 - - - 0.00 0.75 - - 70
Sexton Valley (Jacqueline's Blk) 9/26/26 73.9   8.1 1408 40.2   6.2 0734 49.5   2.6 81 99   0 49   10 1.0 9.9   3.0 1433 0.00 0.27 - - 70
Sebastopol Hills (Burnside Rd) 9/26/26 70.7   7.7 1352 47.8   6.6 0657 51.2   2.3 81 98   2 53   13 1.7 11.7   0.9 1445 0.00 0.00 - - 70
Pleasant Hill 9/26/26 74.9   6.8 1235 44.8   3.7 0556 49.1   2.3 - 98   5 42   10 1.6 12.0   0.6 1318 0.00 0.49 - - 60
Seaview/Fort Ross (Hirsch) 9/26/26 67.6   4.5 1523 51.9   2.0 0301 47.7   1.8 66 81   11 45   8 2.1 9.0   8.0 1231 0.00 0.07 0.102   0.035 379   101 20
Max   80.1 - 51.9 - 57.9 100 100 100 3.0 14.0 - 0.00 0.81 0.109 379 -
Avg   - - - - 47.0 73 - - 1.5 - - - - - - -
Min   67.6 - 38.8 - -9.4 29 81 0 0.0 6.1 - 0.00 0.00 0.023 0 -

Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 9/27/26 6:28 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 9/26/26 75.0   6.7 1422 48.3   3.0 0707 47.5   0.0 92   1 35   18 1.6   0.4 7.9   5.8 1347 SE | 141 0.00 0.02 0.076   0.037 237   102 70   20
Lower Bennett Valley 9/26/26 78.9   1.7 1401 39.3   3.9 0718 47.7   0.9 100   6 34   3 2.7   0.1 11.5   4.2 1454 SW | 217 0.00 0.39 0.112   0.025 354   58 50   10
Kenwood (Wildwood) 9/26/26 81.4   0.2 1443 41.1   6.0 0709 46.8   0.7 100   11 27   1 2.0   0.8 11.7   2.2 1529 NNW | 339 0.00 0.21 0.116   0.021 368   36 50   10
Sonoma Valley (Bedrock) 9/26/26 79.9   2.2 1457 42.6   5.4 0359 45.6   0.4 94   8 24   0 - - - - 0.00 0.29 - - 80   20
Sonoma-West (Arnold) 9/26/26 81.7   2.4 1458 42.0   3.7 0320 46.6   0.7 93   8 29   4 2.0   1.0 12.7   6.5 1648 WNW | 283 0.00 0.35 0.144   0.030 458   59 100   20
Sonoma Valley HS 9/26/26 79.8   1.8 1452 45.3   4.0 0610 51.1   1.1 100   5 38   2 1.7   0.3 7.7   1.1 1856 SW | 228 0.00 0.01 0.124   0.018 412   49 50   10
Sonoma East (Bundschu01) 9/26/26 79.3   1.9 1500 43.2   4.2 0359 48.0   1.4 94   7 31   0 2.6   0.4 13.6   5.3 1509 S | 177 0.00 0.23 0.136   0.014 431   23 60   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) 9/26/26 80.3   2.7 1445 43.6   6.2 0418 48.0   1.9 93   5 30   1 1.9   0.9 14.2   2.0 1444 SW | 227 0.00 0.18 - - 60   10
Ricci Vineyards (Carneros) 9/26/26 78.0   3.4 1427 44.2   4.2 0346 48.2   3.5 95   4 30   1 3.2   1.6 14.3   1.1 1724 W | 268 0.00 0.12 0.146   0.012 451   12 70   20
Carneros (Ranch 71) 9/26/26 76.5   3.1 1437 52.4   2.6 0227 50.1   1.1 92   5 34   2 3.0   1.8 18.5   3.3 1721 W | 260 0.00 0.07 0.136   0.018 431   17 40   10
Carneros Upper (Ranch 81) 9/26/26 77.3   3.3 1526 53.1   2.3 0200 50.0   0.9 - - 4.8   3.6 19.9   3.3 2135 WSW | 246 - - - - 40   10
Carneros Lower (Ranch 81) 9/26/26 76.5   8.0 1414 45.0   2.3 0344 49.2   2.6 100   10 0   31 1.2   0.2 10.8   3.8 1329 SSE | 164 0.00 0.01 0.021   0.007 6   27 40   10
Rohnert Park-West (Stony Point) 9/26/26 75.0   4.8 1405 39.2   4.1 0323 48.7   2.4 98   1 45   6 1.3   0.1 14.2   4.2 1513 W | 279 0.00 0.21 - - 40   10
Cartograph Wines Base 9/26/26 73.5   4.8 1408 46.2   6.1 0709 51.6   2.7 98   1 51   7 3.3   0.2 21.6   0.7 1510 SW | 227 0.00 0.32 0.104   0.032 366   75 50   10
Cartograph Wines Remote 9/26/26 73.5   5.2 1245 44.2   4.1 0628 - - - - - - - - - - - 70   10
Rice-Spivak Vineyard 9/26/26 75.5   4.7 1239 38.4   2.9 0616 - - - - - - - - - - - 70   10
Penngrove (Asellus) 9/26/26 78.5   1.7 1348 40.7   3.2 0317 47.4   2.1 96   2 32   2 1.7   0.4 14.6   0.4 1401 W | 262 0.00 0.57 - - 10   10
Petaluma (Ranch 10) 9/26/26 80.2   0.7 1419 42.3   4.0 0611 48.0   3.0 95   0 29   7 1.5   1.1 11.4   3.5 1451 WSW | 253 0.00 0.09 0.124   0.013 401   11 80   20
Max   81.7 - 53.1 - 51.6 100 51 4.8 21.6 - - 0.00 0.57 0.146 458 -
Avg   - - - - 48.4 - - 2.3 - - - - - - - -
Min   73.5 - 38.4 - 45.6 92 0 1.2 7.7 - - 0.00 0.01 0.021 6 -