Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 7/20/26 12:44 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 7/18/26 78.3   2.6 1533 49.5   0.7 2215 51.6   2.4 98   2 41   7 1.6   0.3 10.3   0.2 1638 SSE | 152 0.00 0.01 0.156   0.037 516   105 100   0
Lower Bennett Valley 7/18/26 78.5   2.6 1430 52.3   10.5 0016 53.7   3.2 100   0 42   6 3.9   0.7 12.4   3.8 1454 S | 186 0.00 0.00 0.184   0.034 604   90 80   10
Kenwood (Wildwood) 7/18/26 84.1   0.5 1438 48.2   4.3 0114 52.2   4.0 96   4 36   3 3.0   1.7 13.2   0.2 1554 NNW | 337 0.00 0.00 0.206   0.005 653   8 100   20
Sonoma Valley (Bedrock) 7/18/26 86.0   3.3 1548 48.1   4.5 0139 50.2   1.9 92   2 31   1 - - - - 0.00 0.00 - - 100   10
Sonoma-West (Arnold) 7/18/26 87.3   3.1 1638 47.5   5.4 0206 50.8   2.1 93   2 29   3 2.7   0.7 15.2   1.5 1422 SSW | 199 0.00 0.00 0.237   0.015 707   82 90   10
Sonoma Valley HS 7/18/26 84.4   3.4 1538 51.5   4.7 0056 54.4   1.2 98   2 40   2 2.5   0.1 9.4   1.6 1925 SSW | 210 0.00 0.00 0.200   0.013 638   84 100   0
Sonoma East (Bundschu01) 7/18/26 82.1   2.1 1550 51.2   7.5 0216 52.1   1.8 94   0 36   0 3.0   0.6 15.1   1.5 1650 SSW | 193 0.00 0.00 0.202   0.010 631   63 100   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) 7/18/26 83.9   3.3 1602 52.4   7.2 2354 52.2   1.6 92   3 35   1 2.6   0.5 14.5   3.4 1711 WSW | 249 0.00 0.00 - - 100   10
Ricci Vineyards (Carneros) 7/18/26 83.9   3.5 1638 52.4   6.5 0039 52.7   1.6 94   1 34   2 4.6   0.2 14.5   2.7 2035 W | 279 0.00 0.01 0.211   0.009 658   69 100   10
Carneros (Ranch 71) 7/18/26 79.6   1.8 1642 52.1   1.0 2350 52.6   0.6 95   2 38   0 4.8   0.1 17.4   0.2 1914 W | 268 0.00 0.00 0.199   0.016 630   85 100   0
Carneros Upper (Ranch 81) 7/18/26 79.1   1.0 1555 52.2   0.0 0007 49.2   2.8 - - 6.7   0.4 20.2   0.6 2204 WSW | 247 - - - - 100   0
Carneros Lower (Ranch 81) 7/18/26 78.0   3.1 1453 52.9   6.6 0002 54.0   4.5 93   7 50   49 1.8   0.1 12.4   1.3 1357 SSE | 160 0.00 0.00 0.175   0.008 580   44 100   10
Rohnert Park-West (Stony Point) 7/18/26 72.3   4.0 1416 52.3   9.9 0059 54.2   2.0 97   2 58   13 2.7   0.2 15.1   3.8 1427 W | 263 0.00 0.00 - - 90   10
Cartograph Wines Base 7/18/26 70.1   4.1 1504 51.1   1.6 0050 54.1   1.1 97   1 63   12 4.3   0.1 22.2   2.0 1713 S | 178 0.00 0.02 0.150   0.039 568   108 50   10
Cartograph Wines Remote 7/18/26 71.8   6.2 1628 52.1   5.4 0050 - - - - - - - - - - - 90   10
Rice-Spivak Vineyard 7/18/26 72.6   4.4 1345 51.5   10.8 0059 - - - - - - - - - - - 90   10
Penngrove (Asellus) 7/18/26 75.9   4.7 1328 52.2   10.3 0059 52.4   2.8 95   2 46   10 3.1   0.2 14.0   0.0 1553 W | 280 0.00 0.00 - - 90   10
Petaluma (Ranch 10) 7/18/26 79.0   3.3 1443 53.9   11.2 0055 52.7   3.0 91   8 43   8 2.9   0.5 11.5   0.8 1612 NNW | 329 0.00 0.00 0.189   0.027 617   84 100   0
Max   87.3 - 53.9 - 54.4 100 63 6.7 22.2 - - 0.00 0.02 0.237 707 -
Avg   - - - - 52.4 - - 3.3 - - - - - - - -
Min   70.1 - 47.5 - 49.2 91 29 1.6 9.4 - - 0.00 0.00 0.150 516 -