Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 8/30/26 5:07 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 8/29/26 80.1   7.7 1413 49.9   4.2 0633 48.9   1.5 95   5 32   10 2.2   0.6 9.7   2.2 1501 S | 187 0.00 0.01 0.142   0.081 438   267 70   10
Lower Bennett Valley 8/29/26 81.3   7.1 1346 39.1   5.1 0520 48.5   3.5 100   4 32   16 2.9   0.6 14.2   0.6 1418 WSW | 254 0.00 0.00 0.182   0.106 581   352 90   20
Kenwood (Wildwood) 8/29/26 84.7   9.1 1423 45.3   6.9 0656 49.3   2.6 100   9 27   12 2.4   0.2 13.5   4.8 1439 NNW | 337 0.00 0.00 0.181   0.102 574   344 20   20
Sonoma Valley (Bedrock) 8/29/26 82.3   7.7 1415 42.5   7.6 0658 47.9   2.6 98   6 27   19 - - - - 0.00 0.00 - - 80   20
Sonoma-West (Arnold) 8/29/26 85.3   10.2 1406 41.3   5.9 0636 47.4   3.5 94   5 28   17 2.9   0.8 17.8   1.8 1543 SW | 214 0.00 0.00 0.218   0.129 666   420 20   20
Sonoma Valley HS 8/29/26 82.0   8.7 1520 45.0   7.0 0648 52.4   2.7 100   4 38   17 1.9   0.2 8.4   0.2 1900 SE | 128 0.00 0.00 0.169   0.096 557   337 80   20
Sonoma East (Bundschu01) 8/29/26 81.6   8.2 1534 42.9   6.8 0535 49.6   3.0 95   4 33   15 3.3   1.1 16.4   2.4 1553 SSW | 212 0.00 0.00 0.178   0.103 555   343 80   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) 8/29/26 82.8   4.5 1611 42.6   8.8 0637 50.0   2.5 94   6 32   8 2.4   0.5 13.1   2.3 1446 SSE | 159 0.00 0.00 - - 80   20
Ricci Vineyards (Carneros) 8/29/26 80.9   5.5 1649 45.6   7.4 0606 51.5   1.2 96   6 36   7 3.3   0.7 15.8   2.4 1452 SSE | 161 0.00 0.01 0.180   0.099 567   343 60   10
Carneros (Ranch 71) 8/29/26 78.9   6.1 1651 51.0   4.3 0625 52.5   0.3 100   14 36   11 2.7   0.1 15.5   0.6 1652 W | 266 0.00 0.00 0.166   0.090 548   340 80   20
Carneros Upper (Ranch 81) 8/29/26 78.3   4.1 1716 51.8   4.8 0612 32.7   20.3 - - 5.0   1.0 21.3   2.0 1632 SSW | 199 - - - - 80   20
Carneros Lower (Ranch 81) 8/29/26 79.9   2.5 1547 46.8   3.9 0456 42.4   11.4 100   10 0   44 1.8   1.2 15.0   5.4 1726 SSE | 164 0.00 0.00 0.027   0.020 1   1 80   20
Rohnert Park-West (Stony Point) 8/29/26 79.0   7.9 1716 47.7   0.4 0059 53.1   0.7 99   4 44   16 1.4   0.3 16.2   5.3 1421 SSW | 195 0.00 0.00 - - 90   20
Cartograph Wines Base 8/29/26 77.0   6.3 1723 51.0   1.6 0627 53.7   0.8 99   2 46   18 3.3   0.3 19.1   6.0 1429 SSW | 206 0.01 0.09 0.160   0.103 552   342 100   20
Cartograph Wines Remote 8/29/26 78.2   6.0 1813 49.7   1.7 0101 - - - - - - - - - - - 90   20
Rice-Spivak Vineyard 8/29/26 79.9   6.3 1713 44.3   4.1 0059 - - - - - - - - - - - 70   20
Penngrove (Asellus) 8/29/26 80.5   10.1 1314 48.6   0.9 0057 51.0   1.1 98   2 35   19 2.4   0.5 13.5   4.3 1343 SSW | 212 0.00 0.00 - - 90   20
Petaluma (Ranch 10) 8/29/26 81.1   10.0 1334 45.3   2.7 0226 51.0   1.7 100   8 36   17 2.0   0.4 11.3   1.0 1443 WSW | 248 0.00 0.00 0.170   0.100 547   326 80   20
Max   85.3 - 51.8 - 53.7 100 46 5.0 21.3 - - 0.01 0.09 0.218 666 -
Avg   - - - - 48.9 - - 2.7 - - - - - - - -
Min   77.0 - 39.1 - 32.7 94 0 1.4 8.4 - - 0.00 0.00 0.027 1 -