Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 8/27/26 11:58 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 8/26/26 91.8   7.9 1439 51.7   0.8 0454 47.4   3.5 77   21 16   12 2.0   0.2 9.9   0.4 1536 SE | 138 0.00 0.01 0.161   0.020 453   28 100   0
Lower Bennett Valley 8/26/26 91.4   6.5 1428 39.2   6.8 0628 48.3   5.3 100   0 20   11 3.0   0.6 14.7   0.0 1503 S | 185 0.00 0.00 0.216   0.034 601   52 90   10
Kenwood (Wildwood) 8/26/26 94.7   6.0 1439 46.9   8.7 0713 47.2   4.8 96   2 14   11 2.4   0.7 12.1   0.6 1600 NNW | 341 0.00 0.00 0.205   0.014 597   17 0   0
Sonoma Valley (Bedrock) 8/26/26 94.7   4.2 1548 43.8   8.7 0703 44.3   4.0 94   4 8   4 - - - - 0.00 0.00 - - 80   10
Sonoma-West (Arnold) 8/26/26 95.8   5.9 1449 42.8   8.2 0650 46.6   4.3 90   3 15   6 2.7   0.5 15.0   0.1 1537 W | 273 0.00 0.00 0.250   0.025 688   56 0   0
Sonoma Valley HS 8/26/26 94.1   7.7 1453 45.7   9.2 0642 52.9   2.6 100   3 20   14 2.0   0.7 8.6   0.7 1907 SSW | 210 0.00 0.00 0.202   0.015 602   37 80   10
Sonoma East (Bundschu01) 8/26/26 91.7   4.3 1553 43.0   12.6 0636 49.5   3.2 95   3 18   10 2.7   0.6 18.4   1.5 1512 SE | 126 0.00 0.00 0.211   0.018 615   44 80   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) 8/26/26 93.5   4.6 1415 43.1   12.0 0642 50.0   2.6 94   3 17   5 2.3   1.1 15.2   0.7 1653 WSW | 237 0.00 0.00 - - 80   10
Ricci Vineyards (Carneros) 8/26/26 90.9   1.7 1634 45.9   8.3 0659 50.9   1.5 96   4 18   3 3.3   2.6 16.0   4.4 1812 W | 273 0.00 0.01 0.217   0.010 618   51 90   10
Carneros (Ranch 71) 8/26/26 89.9   2.8 1627 51.3   4.5 0532 51.6   0.7 94   0 18   6 3.2   3.2 20.0   4.3 1633 WSW | 256 0.00 0.00 0.217   0.011 619   56 80   10
Carneros Upper (Ranch 81) 8/26/26 89.4   0.9 1355 53.7   2.1 0434 51.7   0.1 - - 4.8   4.6 20.5   2.3 2052 W | 263 - - - - 80   10
Carneros Lower (Ranch 81) 8/26/26 92.8   3.9 1648 46.9   9.4 0656 50.7   2.9 100   7 0   19 1.4   0.4 12.2   0.7 1452 SSE | 156 0.00 0.00 0.029   0.009 1   8 80   10
Rohnert Park-West (Stony Point) 8/26/26 85.4   7.5 1253 52.2   3.8 0038 54.5   0.8 99   2 35   15 1.4   0.3 13.7   0.2 1516 SW | 235 0.00 0.00 - - 60   20
Cartograph Wines Base 8/26/26 82.5   7.7 1304 52.3   1.6 0746 55.6   0.4 99   1 38   20 3.0   1.0 20.9   1.6 1602 S | 179 0.00 0.08 0.183   0.033 590   76 70   20
Cartograph Wines Remote 8/26/26 84.5   7.8 1243 52.9   1.1 0653 - - - - - - - - - - - 60   20
Rice-Spivak Vineyard 8/26/26 85.0   7.2 1312 50.2   2.5 2332 - - - - - - - - - - - 40   20
Penngrove (Asellus) 8/26/26 89.7   10.0 1331 50.1   2.4 0101 51.8   1.4 98   1 23   14 2.4   0.3 12.8   0.3 1408 WNW | 284 0.00 0.00 - - 90   10
Petaluma (Ranch 10) 8/26/26 90.5   7.9 1530 53.1   1.9 0724 52.4   1.5 96   5 21   12 2.4   0.7 12.3   1.4 1549 W | 278 0.00 0.00 0.192   0.023 572   44 80   10
Max   95.8 - 53.7 - 55.6 100 38 4.8 20.9 - - 0.00 0.08 0.250 688 -
Avg   - - - - 50.3 - - 2.6 - - - - - - - -
Min   82.5 - 39.2 - 44.3 77 0 1.4 8.6 - - 0.00 0.00 0.029 1 -