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Latest Observation

25 Stations

Daily Data | America/Los_Angeles
as of 10/21/26 6:08 PM 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) 10/20/26 67.7   0.7 1456 43.6   1.1 0318 39.0   4.2 58   20 96   4 31   10 3.2   1.8 13.2   9.6 1916 N | 1 0.00 0.33 0.085   0.008 261   64 80   10
Rockpile Lower (Cooley) 10/20/26 71.7   2.5 1441 46.8   1.9 0338 41.2   3.0 60   11 92   0 28   12 1.5   1.5 7.0   11.7 2305 NNW | 347 0.00 0.33 - - 80   10
Cloverdale-East (Ranch 83) 10/20/26 73.7   1.9 1501 40.8   5.3 0748 42.8   2.3 - - - 0.8   1.2 6.6   5.7 0944 NNW | 329 0.00 0.12 0.058   0.024 214   66 30   10
Cloverdale-SE (Ranch 38) 10/20/26 71.4   1.4 1501 45.8   4.2 0730 43.8   2.6 64   7 92   0 37   7 1.9   2.4 9.5   8.0 1319 SSE | 147 0.00 0.11 0.064   0.025 201   89 0   10
Geyserville-North (Hoffman) 10/20/26 73.4   2.4 1506 39.5   8.1 0740 44.4   2.6 69   1 94   9 37   9 1.1   1.0 6.2   3.7 1436 NNW | 341 0.00 0.00 0.064   0.025 233   79 0   10
Geyserville (Ranch 3) 10/20/26 71.5   2.1 1515 41.8   7.6 0714 43.6   2.0 67   1 100   18 34   8 1.2   1.0 8.0   2.1 1452 N | 349 0.00 0.13 0.061   0.019 220   56 30   10
Geyserville-East (Ranch 40) 10/20/26 73.8   4.6 1522 46.6   3.1 0753 44.5   2.2 63   9 92   0 35   10 2.2   1.8 9.5   6.6 1459 SSW | 210 0.00 0.12 0.075   0.018 264   56 0   10
Geyserville-South (Nervo Station) 10/20/26 73.0   4.0 1457 44.1   6.2 0742 - - - - 1.2   1.0 7.8   4.7 1313 NE | 38 0.00 0.22 - - 0   0
Peterson (Ranch 09) 10/20/26 72.3   2.9 1455 39.2   6.6 0746 42.2   2.3 67   0 93   7 31   9 1.2   1.1 6.8   3.8 1003 N | 4 0.00 0.20 0.062   0.009 219   30 0   0
Crazy Creek Ranch 10/20/26 72.0   2.3 1510 40.3   7.9 0702 44.6   2.4 70   1 99   14 38   6 1.2   1.0 8.5   3.4 1442 W | 265 0.00 0.24 0.073   0.016 267   56 0   0
Whitton Ranch (201e) 10/20/26 72.7   1.5 1500 36.3   7.0 0746 42.4   3.0 68   0 100   7 33   5 1.1   0.9 7.6   3.0 1013 N | 2 0.00 0.29 0.063   0.015 218   46 0   10
Lytton East (Shop Hill Bottom) 10/20/26 73.0   3.4 1501 39.8   7.6 0740 42.0   2.8 65   1 100   14 31   8 1.2   1.3 7.4   3.9 1339 NNE | 27 0.00 0.27 0.073   0.017 267   46 0   0
Lytton East (Hill 5) 10/20/26 71.7   3.5 1459 43.1   7.1 0745 42.9   2.5 64   3 96   13 33   9 1.8   1.6 9.0   3.1 1447 W | 266 0.00 0.25 0.071   0.017 236   50 0   0
Lytton West Lower (Lew 6) 10/20/26 72.2   3.0 1459 38.9   7.5 0739 42.0   3.1 66   1 100   14 32   8 1.1   1.1 8.6   2.5 1442 W | 273 0.00 0.28 0.072   0.012 257   39 0   0
Lytton West Hill (23PS) 10/20/26 71.2   2.7 1510 44.4   5.4 0653 43.4   2.6 64   3 94   10 33   9 1.6   1.0 7.6   5.5 1045 N | 352 0.00 0.26 0.073   0.021 265   72 0   0
Big River 10/20/26 71.2   2.6 1516 43.1   6.2 0746 45.1   2.1 69   3 98   11 37   8 0.8   1.1 6.5   4.6 1315 SW | 228 0.00 0.28 0.066   0.016 248   55 0   0
Jimtown-North (Piccolo Ranch 15) 10/20/26 73.2   2.2 1516 38.8   8.7 0734 41.6   2.5 65   2 100   21 29   6 1.0   0.7 7.0   3.7 1309 WSW | 240 0.00 0.20 0.064   0.014 231   48 0   10
HWY 128/Chalk Hill Rd (Landslide) 10/20/26 75.6   3.8 1545 37.9   6.4 0724 42.7   2.6 68   0 96   9 29   8 1.0   0.7 7.0   4.1 1323 SW | 235 0.00 0.31 0.069   0.008 230   34 0   10
N Chalk Hill Rd (Ranch 63) 10/20/26 74.3   5.6 1515 36.9   9.0 0737 42.4   2.6 68   1 100   13 30   9 1.3   1.0 8.1   3.0 1446 N | 352 0.00 0.29 0.069   0.010 227   45 0   10
Newman Knights Valley 10/20/26 73.3   4.4 1548 38.7   5.9 0803 44.1   1.7 69   2 88   7 46   7 1.7   0.6 10.2   2.1 1319 SW | 216 0.00 0.40 - - 0   10
Knights Valley (Bavarian Lion) 10/20/26 75.9   6.7 1545 36.0   5.7 0750 41.1   2.6 67   3 97   4 25   11 1.6   0.5 9.3   3.4 1445 WNW | 288 0.00 0.26 0.082   0.003 288   4 10   10
Red Tail 10/20/26 73.1   4.3 1547 38.8   5.8 0728 44.5   2.1 72   2 95   5 38   8 1.7   0.6 7.3   8.6 1235 SSW | 199 0.00 0.44 0.075   0.007 275   28 0   0
Franz Valley (Stornetta) 10/20/26 75.3   7.2 1533 36.1   6.4 0739 41.1   3.1 - 95   5 25   14 1.1   0.7 10.2   2.9 1408 SE | 133 0.00 0.43 - - 10   10
Upper Dry Creek Valley 10/20/26 74.7   2.3 1502 41.4   5.5 0741 44.1   1.4 70   3 96   3 30   9 0.5   1.0 5.2   4.9 1312 ENE | 78 0.00 0.14 0.059   0.034 227   94 10   10
Lower Dry Creek Valley 10/20/26 72.1   2.6 1443 40.5   7.1 0748 43.9   1.9 70   3 100   15 32   9 0.0   0.8 7.1   5.9 1448 NNW | 332 0.00 0.26 0.057   0.024 231   67 0   0
Max   75.9 - 46.8 - 45.1 72 100 46 3.2 13.2 - - 0.00 0.44 0.085 288 -
Avg   - - - - 42.9 67 - - 1.3 - - - - - - - -
Min   67.7 - 36.0 - 39.0 58 88 25 0.0 5.2 - - 0.00 0.00 0.057 201 -

Sonoma County-Central Daily Obs

37 Stations

Daily Data | America/Los_Angeles
as of 10/21/26 6:08 PM 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) 10/20/26 72.6   0.9 1503 44.7   4.2 0726 45.9   1.9 68 85   2 40   7 0.0 5.0   5.0 1546 0.00 0.50 0.059   0.022 237   88 0
Windsor-East (Ranch 16) 10/20/26 72.6   4.5 1534 40.8   7.0 0759 43.8   2.1 67 95   9 33   10 1.1 7.8   4.8 1029 0.00 0.23 0.072   0.015 259   43 0
Mark West-North (Ranch 14) 10/20/26 73.7   3.5 1501 43.2   6.8 0740 44.2   1.4 66 94   9 32   9 0.4 4.9   6.4 1313 0.00 0.24 - - 0
Windsor-SE (Silk Rd) 10/20/26 72.5   3.4 1544 39.4   5.4 0747 44.2   2.0 72 95   3 33   11 0.6 8.3   2.4 1459 0.00 0.32 0.066   0.025 246   87 0
Fulton-NW (Ranch 5) 10/20/26 70.2   3.0 1503 41.3   5.9 0735 44.7   1.7 69 95   5 38   9 1.0 7.8   8.1 1102 0.00 0.23 0.072   0.010 271   26 0
Bisordi (Fulton) 10/20/26 70.9   3.3 1506 39.4   6.7 0744 45.8   2.0 74 96   7 43   8 1.0 6.8   6.1 1458 0.00 0.22 0.076   0.008 295   20 0
Windsor-South (Laughlin Rd) 10/20/26 73.8   4.3 1454 44.3   4.1 0805 45.3   1.0 68 92   5 33   10 - - - 0.00 0.17 - - 0
Fulton-SE (Barnes Rd) 10/20/26 73.3   6.1 1516 42.2   8.3 0718 45.5   1.4 68 92   6 37   11 0.9 8.1   3.7 1432 0.00 0.29 - - 0
Fulton-SW (Ranch 21) 10/20/26 70.6   2.3 1510 42.3   5.5 0747 44.9   1.5 69 95   5 37   8 1.0 7.5   6.5 1447 0.00 0.20 0.076   0.019 289   53 0
NW Santa Rosa (Piner Road) 10/20/26 70.7   3.9 1504 40.6   4.8 0713 47.1   2.8 78 100   0 42   11 0.6 7.8   5.5 1258 0.00 0.00 - - 0
River Rd South (Denner Ranch) 10/20/26 73.1   4.9 1456 40.8   4.6 0715 5.0   9.2 39 100   0 0   0 1.3 7.2   7.9 1428 - - - - 0
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) 10/20/26 73.9   3.6 1454 40.4   4.4 0737 43.8   2.2 69 96   4 31   12 - - - 0.00 0.24 - - 0
SunnyView Vineyard (SCWC) 10/20/26 71.6   3.9 1512 39.6   3.9 0719 43.0   2.0 68 95   7 34   11 1.0 8.2   4.3 1429 0.00 0.27 0.067   0.012 224   53 0
Guerneville Rd West (Balletto) 10/20/26 71.0   3.5 1540 41.0   3.9 0757 45.3   1.9 72 95   3 40   10 1.0 10.0   13.6 1249 0.00 0.43 - - 0
Sanchietti Ranch 10/20/26 71.0   2.9 1456 41.6   4.1 0740 47.3   1.5 - 96   4 43   7 1.2 8.9   5.5 1427 0.00 0.05 - - 0
Occidental Rd (Sebastopol) 10/20/26 72.6   3.7 1451 41.0   3.6 0748 49.2   2.2 84 100   0 39   7 1.1 6.8   7.9 1430 0.00 0.20 - - 0
Harper's Rest (Windsor-West) 10/20/26 71.4   2.0 1502 41.6   3.0 0657 42.6   2.1 - 96   5 32   11 1.0 6.7   4.5 1445 0.00 0.45 - - 0
Lower Westside Rd (Ranch 12) 10/18/26 77.2   16.6 1509 37.6   0.7 0738 44.8   8.1 72 94   5 40   30 1.7 13.0   1.3 1705 0.00 0.45 - - 0
Guerneville (Laughlin Rd) 10/20/26 72.9   5.6 1431 38.9   5.6 0731 43.4   2.7 73 94   4 32   15 0.6 7.2   7.9 1645 0.00 0.81 - - 0
Korbel (Winery) 10/20/26 71.3   3.5 1439 40.6   5.7 0719 45.3   1.8 75 96   4 34   13 0.5 6.3   6.3 1440 0.00 0.52 - - 0
Forestville (Shone Farms) 10/20/26 72.5   2.4 1452 42.9   4.9 0647 45.2   1.4 69 95   8 35   9 1.1 7.9   3.9 1917 0.00 0.43 0.072   0.013 251   60 0
Forestville-NE (Ranch 30) 10/20/26 73.2   4.8 1443 41.0   4.0 0747 46.0   1.3 74 98   6 37   12 0.8 7.2   6.5 1336 0.00 0.40 0.069   0.017 252   58 0
Foggy Bend (Ranch 41) 10/20/26 70.9   3.0 1435 42.1   4.5 0747 46.6   1.4 75 96   5 42   10 1.2 7.9   5.3 1245 0.00 0.42 0.068   0.013 250   52 0
Last Stop 10/20/26 72.8   3.2 1431 39.8   4.3 0721 44.7   1.7 73 97   4 38   10 1.3 7.2   5.7 1302 0.00 0.39 0.069   0.014 255   54 0
Green Valley Vineyard 10/20/26 70.2   3.0 1427 42.7   2.7 0757 44.7   1.5 71 97   5 36   12 1.2 7.7   9.4 1312 0.00 0.57 0.047   0.003 151   32 0
Park Royal 10/20/26 71.5   3.2 1541 41.4   4.6 0647 44.0   1.7 68 94   5 34   8 - - - 0.00 0.21 - - 0
Merino 10/20/26 71.4   2.7 1503 39.7   4.8 0701 45.4   2.1 74 100   3 39   5 0.9 8.0   6.5 1432 0.00 0.33 0.074   0.009 284   21 0
Green Valley (Sanchietti) 10/20/26 72.2   2.2 1425 37.6   4.7 0744 - - - - - - - - - - - 0
Keefer Ranch (Green Valley) 10/20/26 69.9   2.3 1642 39.5   3.8 0750 44.7   2.0 75 97   4 41   8 - - - 0.00 0.48 - - 0
Graton-West (Dutton Ranch) 10/20/26 73.6   3.9 1456 39.9   4.0 0734 47.1   3.6 81 100   0 31   16 0.7 7.8   5.7 1251 0.00 0.61 - - 0
Graton-South (Mill Station Rd) 10/20/26 71.0   5.4 1429 38.7   4.5 0747 44.5   0.1 73 96   4 36   9 0.0 3.8   5.3 1430 0.00 0.41 - - 0
Occidental (Horseshoe Bend) 10/20/26 67.8   4.1 1640 47.2   0.6 0722 45.0   1.4 - 92   0 38   14 - - - 0.00 0.75 - - 40
Sexton Valley (Jacqueline's Blk) 10/20/26 72.4   5.4 1457 40.0   4.1 0645 46.4   1.5 78 99   4 40   10 0.7 5.4   10.2 1252 0.00 0.27 - - 0
Sebastopol Hills (Burnside Rd) 10/20/26 69.0   5.5 1452 45.3   4.4 0702 47.4   0.6 74 97   1 43   12 0.8 6.1   6.1 1248 0.00 0.00 - - 0
Pleasant Hill 10/20/26 72.5   5.1 1451 43.4   2.7 0621 45.4   1.2 - 97   5 34   13 1.4 6.2   10.0 1248 0.00 0.49 - - 0
Seaview/Fort Ross (Hirsch) 10/20/26 61.8   4.1 1238 47.8   2.0 0159 43.8   1.4 67 84   13 44   18 2.3 8.3   2.8 2108 0.00 0.07 0.067   0.013 252   108 70
Max   73.9 - 47.8 - 49.2 84 100 44 2.3 10.0 - 0.00 0.81 0.076 295 -
Avg   - - - - 44.0 71 - - 0.9 - - - - - - -
Min   61.8 - 37.6 - 5.0 39 84 0 0.0 3.8 - 0.00 0.00 0.047 151 -

Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 10/21/26 6:08 PM 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 10/20/26 71.4   4.9 1543 44.7   0.7 0654 41.7   3.2 88   5 31   14 1.6   0.1 8.2   2.9 1315 SW | 220 0.00 0.02 0.062   0.001 214   19 40   10
Lower Bennett Valley 10/20/26 71.0   4.8 1519 37.7   7.6 0728 44.1   2.7 100   6 37   12 1.7   1.2 10.6   4.3 1502 WNW | 295 0.00 0.39 0.080   0.001 282   4 0   0
Kenwood (Wildwood) 10/20/26 72.8   5.9 1522 41.5   4.0 0642 42.6   2.9 94   3 33   12 1.8   1.2 7.7   8.3 1318 WSW | 250 0.00 0.21 0.079   0.002 284   8 0   0
Sonoma Valley (Bedrock) 10/20/26 72.8   4.5 1543 41.2   1.9 0736 41.4   2.1 93   3 30   6 - - - - 0.00 0.29 - - 0   0
Sonoma-West (Arnold) 10/20/26 74.8   6.1 1540 40.8   4.6 0731 41.6   3.7 92   6 30   7 1.2   3.0 7.7   10.4 1402 S | 176 0.00 0.35 0.088   0.028 317   69 0   0
Sonoma Valley HS 10/20/26 72.7   4.5 1520 43.3   2.8 0734 45.9   1.7 99   7 39   4 0.8   1.8 6.2   3.0 1519 SSW | 203 0.00 0.01 0.075   0.021 278   75 0   0
Sonoma East (Bundschu01) 10/20/26 73.2   4.9 1553 40.1   3.1 0753 42.0   2.9 93   6 31   5 1.3   2.4 9.0   12.7 1226 SW | 234 0.00 0.23 0.081   0.025 283   70 0   0
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) 10/20/26 77.5   7.3 1543 40.6   3.2 0738 41.9   3.2 91   5 27   5 0.7   2.6 8.4   7.4 1304 WSW | 247 0.00 0.18 - - 0   0
Ricci Vineyards (Carneros) 10/20/26 73.5   4.5 1547 40.6   4.8 0722 43.0   2.5 95   6 30   5 1.8   3.9 10.1   7.0 1221 W | 261 0.00 0.12 0.086   0.030 301   63 0   0
Carneros (Ranch 71) 10/20/26 71.1   4.6 1533 48.2   1.0 0742 42.9   2.6 84   4 33   3 1.1   6.2 9.3   12.2 1321 WSW | 255 0.00 0.07 0.083   0.030 294   52 0   0
Carneros Upper (Ranch 81) 10/20/26 74.7   7.1 1554 48.0   2.2 0757 42.0   3.3 - - 1.5   9.2 9.9   15.8 1221 ENE | 69 - - - - 0   0
Carneros Lower (Ranch 81) 10/20/26 73.0   0.4 1422 42.8   4.4 0730 43.5   2.7 94   5 32   1 - 7.4   3.2 1223 NNW | 329 0.00 0.01 0.009   0.003 0   0 0   0
Rohnert Park-West (Stony Point) 10/20/26 71.2   5.8 1446 38.8   6.7 0654 46.1   1.8 97   3 41   10 0.4   1.9 7.7   14.3 1454 NW | 325 0.00 0.21 - - 0   0
Cartograph Wines Base 10/20/26 71.4   7.7 1454 45.8   4.9 0659 48.2   0.8 95   2 42   16 1.6   2.8 10.2   12.6 1315 N | 6 0.00 0.32 0.075   0.011 274   54 0   0
Cartograph Wines Remote 10/20/26 69.2   3.8 1425 42.2   4.3 0658 - - - - - - - - - - - 0   0
Rice-Spivak Vineyard 10/20/26 76.1   10.0 1452 36.1   6.4 0703 - - - - - - - - - - - 0   0
Penngrove (Asellus) 10/20/26 74.9   8.3 1506 39.9   4.4 0740 44.4   1.7 96   2 33   12 1.1   1.4 7.5   6.2 1348 W | 268 0.00 0.77 - - 0   0
Petaluma (Ranch 10) 10/20/26 74.8   7.3 1504 40.0   4.7 0734 44.5   0.9 94   5 33   8 0.6   2.3 8.1   7.8 1345 N | 10 0.00 0.09 0.068   0.028 240   85 0   0
Max   77.5 - 48.2 - 48.2 100 42 1.8 10.6 - - 0.00 0.77 0.088 317 -
Avg   - - - - 43.5 - - 1.2 - - - - - - - -
Min   69.2 - 36.1 - 41.4 84 27 0.4 6.2 - - 0.00 0.01 0.009 0 -