Sonoma County-South Daily Obs

20 Stations

Daily Data | America/Los_Angeles
as of 9/18/25 2:44 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) 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 9/17/25 94.4   4.9 1509 58.2   3.8 0537 47.6   3.4 70   1 18   12 1.9   0.2 11.5   2.6 1527 SSE | 155 0.00 0.38 0.182   0.000 534   6 80
Lower Bennett Valley 9/17/25 94.9   3.7 1426 46.8   0.7 0458 48.3   4.3 100 18   13 2.2   0.3 12.6   1.4 1522 SW | 232 0.00 0.16 0.184   0.008 508   4 70
Kenwood (Wildwood) 9/17/25 97.8   3.6 1427 52.1   2.8 0655 48.8   3.2 94 17   7 2.7   0.1 14.7   3.5 1624 NNW | 340 0.00 0.11 0.132   0.008 261 50
Sonoma Valley (Bedrock) 9/17/25 96.9   4.4 1448 49.7   0.0 0535 46.6   3.7 90   1 16   6 - - - - 0.00 0.11 - - 70
Sonoma-West (Arnold) 9/17/25 98.7   3.6 1425 48.3   1.8 0644 46.6   4.6 86   2 15   7 2.4   0.3 17.9   4.8 1648 W | 276 0.00 0.11 0.227   0.011 594   3 70
Sonoma Valley HS 9/17/25 97.4   3.6 1421 50.8   1.1 0655 52.5   3.4 100   1 20   7 1.6   0.3 6.3   2.7 2019 SW | 230 0.00 0.08 0.177   0.004 512 70
Sonoma East (Bundschu01) 9/17/25 97.7   4.1 1524 48.8   0.2 0715 48.5   3.3 92   0 16   6 2.1   0.1 14.9   2.4 1704 SW | 226 0.00 0.02 0.188   0.003 516   3 70
Schellville (Sasaki) 9/17/25 96.6   3.7 1434 52.2   1.8 0721 49.7   2.8 92   1 15   9 4.2   0.1 20.2   4.4 1705 S | 177 0.00 0.02 - - 70
Sonoma-SE (Napoli) 9/17/25 100.6   5.0 1501 50.1   0.2 0648 48.6   3.5 93   0 14   8 1.8   0.3 13.1   3.4 1741 SW | 231 0.00 0.01 - - 70
Ricci Vineyards (Carneros) 9/17/25 98.1   5.6 1515 52.0   2.1 0707 49.6   3.0 92   2 14   10 3.7   0.8 18.3   6.3 1800 W | 272 0.00 0.07 0.220   0.022 543   2 80
Carneros (Ranch 71) 9/17/25 96.4   5.7 1524 56.7   3.7 0622 49.8   5.1 87   3 16   9 3.9   1.2 21.3   9.8 1728 W | 265 0.00 0.07 0.214   0.031 523 70
Carneros Upper (Ranch 81) 9/17/25 97.9   3.4 1523 56.6 0710 50.7   3.8 90   2 15   8 4.5   0.8 21.6   7.0 1739 W | 260 - - - - 70
Carneros Lower (Ranch 81) 9/17/25 99.3   6.5 1624 51.5   1.0 0644 51.6   3.0 100 16   10 1.3   0.0 13.3   3.4 1618 WNW | 294 0.00 0.01 0.162   0.004 479   5 40
Rohnert Park-West (Stony Point) 9/17/25 91.7   7.4 1351 46.8   0.5 0633 52.4   1.8 98   1 25   17 1.8   0.0 15.8   0.2 1621 W | 264 0.00 0.23 - - 90
Cartograph Wines Base 9/17/25 88.6   6.4 1339 51.3   2.4 0630 54.3   2.2 100 31   13 3.2   0.2 18.6   0.7 1544 SW | 219 0.00 0.25 0.178   0.019 507   4 70
Cartograph Wines Remote 9/17/25 89.2   4.8 1259 48.6   2.4 0642 - - - - - - - - - - - 90
Rice-Spivak Vineyard 9/17/25 91.8   5.7 1330 44.1   0.8 0357 - - - - - - - - - - - 90
Penngrove (Asellus) 9/17/25 93.8   5.3 1402 47.6   0.5 0439 50.1   2.0 98   2 17   11 1.6   0.0 12.0   0.8 1522 W | 265 0.00 0.04 - - 70
Roger's Creek (Ranch 50) 9/17/25 92.6   2.5 1430 52.7   3.8 0559 48.5   4.8 96 16   9 3.9   0.0 18.7   4.5 1657 WSW | 255 0.00 0.17 0.205   0.016 506   3 70
Petaluma (Ranch 10) 9/17/25 95.5 1442 51.8   2.7 0252 51.1   1.9 99   7 17   8 2.2   0.4 12.3   1.9 1822 NW | 325 0.00 0.15 0.172   0.005 478   4 70
Max   100.6 - 58.2 - 54.3 100 31 4.5 21.6 - - - 0.38 0.227 594 -
Avg   - - - - 49.7 - - 2.7 - - - - - - - -
Min   88.6 - 44.1 - 46.6 70 14 1.3 6.3 - - - 0.01 0.132 261 -