Sonoma County-South Daily Obs

19 Stations

Daily Data | America/Los_Angeles
as of 2/21/26 2:41 PM PST
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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 2/20/26 51.9   0.3 1539 31.2   1.6 0328 31.6   3.5 94   3 39   5 2.0   0.7 9.0   7.4 2239 SE | 128 0.00 5.41 0.055   0.023 275   118 -
Lower Bennett Valley 2/20/26 54.8   2.4 1554 26.3   4.1 0615 32.4   3.7 100   1 36   4 1.6   3.3 10.2   15.2 1533 SW | 235 0.00 20.88 0.056   0.013 269   22 0   0
Kenwood (Wildwood) 2/20/26 53.1   0.2 1536 28.5   5.0 0639 33.2   3.5 100   1 44   1 2.5   3.3 9.6   19.4 1627 SW | 223 0.00 25.94 0.053   0.021 242   77 -
Sonoma Valley (Bedrock) 2/20/26 54.0   0.7 1335 29.0   8.0 0650 32.4   2.7 95   2 41   5 - - - - 0.00 22.35 - - -
Sonoma-West (Arnold) 2/20/26 56.6   1.6 1318 30.5   5.8 0706 34.3   2.5 95   1 43   5 1.9   4.5 8.2   17.3 1528 SE | 128 0.09 16.94 0.074   0.025 348   73 -
Sonoma Valley HS 2/20/26 54.2   0.5 1537 29.5   6.6 0653 35.9   3.2 100   0 53   8 1.3   2.1 8.3   2.9 1400 SE | 138 0.01 5.22 0.061   0.015 308   40 -
Sonoma East (Bundschu01) 2/20/26 54.5   0.3 1548 28.4   7.4 0508 33.4   2.7 95   4 46   10 2.1   5.1 11.0   18.6 1245 SE | 128 0.00 16.89 0.066   0.028 318   69 -
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) 2/20/26 60.4   4.9 1329 29.5   5.9 0640 33.7   2.8 95   3 41   3 1.5   5.1 9.1   19.1 1319 E | 82 0.00 14.62 - - 0   0
Ricci Vineyards (Carneros) 2/20/26 56.2   0.9 1335 30.8   7.2 0653 34.7   2.5 96   2 45   6 2.9   6.9 10.2   15.0 1332 E | 82 0.00 18.42 0.074   0.022 350   54 -
Carneros (Ranch 71) 2/20/26 53.5   0.1 1553 33.4   5.5 0457 35.0   1.5 93   3 50   9 3.0   8.8 11.8   22.0 1414 E | 96 0.00 15.82 0.064   0.026 313   49 0   0
Carneros Upper (Ranch 81) 2/20/26 57.0   3.2 1338 33.2   6.2 0556 34.4   4.4 - - 3.2   10.0 13.2   22.5 1230 ESE | 104 - - - - 0   0
Carneros Lower (Ranch 81) 2/20/26 54.3   0.6 1337 30.0   6.8 0527 34.5   1.8 100   0 0   0 1.3   3.4 8.5   13.6 1608 SSE | 165 0.00 16.55 0.051   0.019 226   7 0   0
Rohnert Park-West (Stony Point) 2/20/26 55.2   1.6 1506 29.4   5.1 0441 34.8   4.1 98   0 50   1 1.1   5.5 13.8   11.0 1505 ESE | 109 0.00 5.16 - - -
Cartograph Wines Base 2/20/26 54.9   0.8 1541 34.2   4.0 0619 37.2   1.9 94   5 54   4 2.2   4.2 10.7   18.6 1441 ESE | 116 0.00 21.41 0.063   0.012 321   36 -
Cartograph Wines Remote 2/20/26 55.2   2.3 1304 29.5   3.0 0515 - - - - - - - - - - - -
Rice-Spivak Vineyard 2/20/26 57.5   1.7 1539 25.2   3.4 0517 - - - - - - - - - - - -
Penngrove (Asellus) 2/20/26 54.2   0.2 1526 32.9   3.0 0600 34.3   2.4 93   4 41   3 3.1   3.9 15.6   9.5 0614 N | 2 0.30 25.38 - - 0   0
Petaluma (Ranch 10) 2/20/26 57.7   0.7 1314 29.1   5.3 0533 34.6   3.2 100   0 43   3 1.0   4.2 6.2   14.6 1137 S | 170 0.00 15.20 0.063   0.017 290   31 0   0
Max   60.4 - 34.2 - 37.2 100 54 3.2 15.6 - - 0.30 25.94 0.074 350 -
Avg   - - - - 34.2 - - 2.0 - - - - - - - -
Min   51.9 - 25.2 - 31.6 93 0 1.0 6.2 - - 0.00 5.16 0.051 226 -