Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 8/16/26 2:00 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 8/15/26 77.4   3.8 1537 50.4   2.8 0037 53.7   0.2 98   1 47   5 1.5   0.7 10.0   1.2 1739 SSE | 163 0.00 0.01 0.115   0.000 378   4 70   10
Lower Bennett Valley 8/15/26 78.6   4.3 1511 54.3   1.7 0055 55.6   0.3 100   4 48   6 3.7   0.2 14.4   0.4 1633 W | 266 0.00 0.00 0.147   0.030 484   91 60   10
Kenwood (Wildwood) 8/15/26 81.9   3.9 1553 53.9   0.4 2304 54.8   0.4 96   3 42   5 2.5   0.5 16.2   0.2 1711 NNW | 332 0.00 0.00 0.166   0.036 540   109 40   20
Sonoma Valley (Bedrock) 8/15/26 82.1   5.7 1559 51.5   0.5 2358 53.5   0.5 94   3 39   7 - - - - 0.00 0.00 - - 70   20
Sonoma-West (Arnold) 8/15/26 83.2   6.4 1500 49.5   8.5 0027 54.2   0.2 93   6 39   8 3.0   0.3 15.6   2.0 1641 SW | 223 0.00 0.00 0.186   0.053 570   149 40   20
Sonoma Valley HS 8/15/26 81.8   7.2 1622 52.7   5.4 0016 56.8   0.2 99   6 48   9 2.3   0.5 7.3   1.1 2019 WSW | 248 0.00 0.00 0.155   0.047 508   150 40   10
Sonoma East (Bundschu01) 8/15/26 80.4   6.1 1446 53.1   3.3 0035 54.8   0.2 93   5 43   8 3.1   0.6 16.0   2.2 1728 SSW | 206 0.00 0.00 0.160   0.041 510   142 100   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) 8/15/26 81.6   5.8 1428 55.5   2.4 2241 54.8   0.1 91   3 42   7 3.1   0.6 15.2   0.3 1833 WSW | 247 0.00 0.00 - - 100   20
Ricci Vineyards (Carneros) 8/15/26 78.6   4.0 1412 55.2   2.7 2255 54.9   0.1 94   5 46   5 4.7   0.8 17.3   0.4 2033 W | 267 0.00 0.01 0.164   0.031 500   97 90   10
Carneros (Ranch 71) 8/15/26 77.2   5.0 1430 55.0   1.9 2246 54.9   0.1 96   3 48   7 4.9   0.6 21.2   1.7 1902 W | 264 0.00 0.00 0.152   0.028 483   83 70   10
Carneros Upper (Ranch 81) 8/15/26 77.5   4.9 1513 54.8   2.1 2242 45.3   9.3 - - 7.6   1.1 23.4   0.7 1905 W | 272 - - - - 70   10
Carneros Lower (Ranch 81) 8/15/26 78.5   5.0 1427 55.8   1.8 2259 55.7   0.3 92   2 49   4 1.3   0.8 13.2   2.4 1439 SSE | 166 0.00 0.00 0.143   0.026 463   81 100   20
Rohnert Park-West (Stony Point) 8/15/26 75.2   3.5 1446 56.1   1.3 0005 56.6   0.1 97   1 57   7 2.2   0.2 17.2   0.5 1649 SW | 230 0.00 0.00 - - 0   0
Cartograph Wines Base 8/15/26 74.7   5.5 1438 55.0   1.4 2344 56.4   0.4 97   0 60   12 3.3   0.2 19.0   1.8 1817 S | 188 0.00 0.06 0.134   0.054 487   204 0   0
Cartograph Wines Remote 8/15/26 74.0   4.2 1427 56.0   1.2 2347 - - - - - - - - - - - 30   10
Rice-Spivak Vineyard 8/15/26 76.1   4.8 1412 55.5   1.4 2339 - - - - - - - - - - - 0   10
Penngrove (Asellus) 8/15/26 79.0   3.7 1435 55.4   1.6 0030 54.8   0.1 95   2 45   5 2.9   0.4 14.5   0.7 1548 WNW | 302 0.00 0.00 - - 50   10
Petaluma (Ranch 10) 8/15/26 80.2   3.6 1528 56.4   1.5 2159 55.1   0.3 92   1 43   5 2.6   0.2 12.6   0.1 1536 WSW | 248 0.00 0.00 0.149   0.030 485   108 100   10
Max   83.2 - 56.4 - 56.8 100 60 7.6 23.4 - - 0.00 0.06 0.186 570 -
Avg   - - - - 54.5 - - 3.2 - - - - - - - -
Min   74.0 - 49.5 - 45.3 91 39 1.3 7.3 - - 0.00 0.00 0.115 378 -