Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 5/23/26 11:13 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 5/22/26 70.7   14.3 1512 45.3   4.0 0505 48.5   5.1 98   13 48   34 2.1   0.2 10.6   0.8 1642 SSE | 152 0.00 5.84 0.164   0.050 619   52 100   0
Lower Bennett Valley 5/22/26 73.0   13.8 1410 46.4   5.5 0153 50.8   4.7 100   0 50   31 3.0   0.9 12.8   1.6 1811 WSW | 239 0.00 27.61 0.172   0.055 627   58 80   10
Kenwood (Wildwood) 5/22/26 76.9   11.8 1352 46.2   2.0 0332 50.3   3.7 100   4 44   24 3.9   1.2 17.9   3.7 1626 N | 349 0.00 31.95 0.185   0.042 650   25 60   10
Sonoma Valley (Bedrock) 5/22/26 79.7   10.6 1422 45.0   1.6 0502 48.2   5.4 95   2 38   28 - - - - 0.00 27.98 - - 60   10
Sonoma-West (Arnold) 5/22/26 81.7   9.8 1504 42.0   1.1 0529 48.9   4.5 96   3 39   25 3.0   0.7 15.1   0.7 1627 W | 277 0.00 17.88 0.231   0.040 765   26 90   20
Sonoma Valley HS 5/22/26 80.2   10.3 1630 46.6   0.4 0342 51.7   2.7 100   0 44   25 2.7   0.8 10.8   1.0 1923 SW | 234 0.00 6.62 0.197   0.033 698   19 60   10
Sonoma East (Bundschu01) 5/22/26 79.1   10.8 1549 46.6   2.3 0308 49.6   2.1 95   1 36   21 4.4   1.6 19.3   6.4 1820 W | 266 0.00 21.64 0.201   0.034 672   31 90   20
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) 5/22/26 77.4   13.2 1559 47.0   2.9 0213 50.0   1.5 94   0 43   25 3.5   1.8 14.8   4.0 1701 SW | 226 0.00 18.49 - - 60   10
Ricci Vineyards (Carneros) 5/22/26 75.2   10.7 1615 46.2   2.3 0407 49.9   0.5 95   0 48   21 5.8   2.6 20.6   4.4 1651 W | 271 0.00 22.95 0.194   0.046 664   65 100   20
Carneros (Ranch 71) 5/22/26 74.0   10.1 1622 46.5   3.0 0610 49.8   0.9 97   6 48   20 6.0   3.3 24.0   7.7 1812 W | 269 0.00 19.86 0.189   0.039 656   64 90   10
Carneros Upper (Ranch 81) 5/22/26 73.8   11.6 1549 46.8   4.0 0358 35.6   15.2 - - 7.4   3.2 23.2   4.3 1853 W | 268 - - - - 90   10
Carneros Lower (Ranch 81) 5/22/26 75.0   8.6 1658 46.6   1.2 0342 50.8   0.4 94   6 48   48 1.7   0.0 13.4   2.7 1432 S | 175 0.00 19.42 0.154   0.035 554   47 90   10
Rohnert Park-West (Stony Point) 5/22/26 65.5   13.4 1351 48.1   6.2 0143 51.6   1.5 99   1 70   22 3.7   1.4 19.2   4.5 1531 WSW | 252 0.00 11.83 - - 80   10
Cartograph Wines Base 5/22/26 63.8   10.4 1317 47.2   0.7 0126 51.2   0.3 100   1 74   18 4.8   1.1 25.6   3.8 1434 SW | 218 0.00 28.36 0.124   0.062 544   159 30   10
Cartograph Wines Remote 5/22/26 65.2   12.6 1347 48.1   4.1 0156 - - - - - - - - - - - 60   10
Rice-Spivak Vineyard 5/22/26 67.4   11.0 1338 47.7   12.7 0130 - - - - - - - - - - - 80   10
Penngrove (Asellus) 5/22/26 72.8   12.2 1418 47.7   7.1 0209 50.2   2.4 97   0 51   22 3.9   1.5 13.4   1.2 1612 W | 280 0.00 67.81 - - 90   10
Petaluma (Ranch 10) 5/22/26 76.0   11.7 1419 48.7   7.3 0103 50.0   2.4 94   6 46   20 4.5   1.5 17.0   2.4 1649 NW | 324 0.00 19.63 0.183   0.047 628   74 50   10
Max   81.7 - 48.7 - 51.7 100 74 7.4 25.6 - - 0.00 67.81 0.231 765 -
Avg   - - - - 49.2 - - 4.0 - - - - - - - -
Min   63.8 - 42.0 - 35.6 94 36 1.7 10.6 - - 0.00 5.84 0.124 544 -