Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 8/23/26 9:50 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 8/22/26 84.2   4.5 1343 50.8   0.2 0503 50.0   2.7 93   5 28   10 1.8   0.3 12.5   2.5 1539 S | 176 0.00 0.01 0.147   0.013 434   19 100   10
Lower Bennett Valley 8/22/26 86.3   5.2 1320 41.8   11.9 0629 49.7   4.9 100   0 27   12 2.8   1.6 14.7   0.8 1325 NW | 325 0.00 0.00 0.192   0.014 567   17 100   10
Kenwood (Wildwood) 8/22/26 89.1   4.9 1346 49.1   5.1 0550 49.7   3.7 97   1 20   13 2.9   0.5 12.9   1.1 1401 NNW | 344 0.00 0.00 0.190   0.006 557   15 30   10
Sonoma Valley (Bedrock) 8/22/26 89.7   4.5 1508 45.2   5.7 0640 48.1   2.8 96   2 21   1 - - - - 0.00 0.00 - - 90   10
Sonoma-West (Arnold) 8/22/26 90.4   4.6 1501 44.6   5.7 0643 48.7   3.3 92   1 22   10 2.8   0.5 16.6   4.9 1820 SSW | 210 0.00 0.00 0.239   0.015 665   14 10   10
Sonoma Valley HS 8/22/26 87.2   4.6 1502 48.6   4.4 0640 54.3   1.5 100   1 31   13 2.1   0.5 6.7   3.4 1930 SW | 219 0.00 0.00 0.192   0.010 597   26 90   10
Sonoma East (Bundschu01) 8/22/26 85.3   1.8 1647 46.0   6.4 0637 50.8   2.7 94   0 28   9 3.0   0.7 15.6   7.9 1634 SW | 220 0.00 0.00 0.196   0.002 589   18 100   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) 8/22/26 87.8   3.6 1503 45.5   8.4 0624 51.0   2.4 95   1 27   8 2.4   1.5 15.2   5.4 1658 W | 261 0.00 0.00 - - 90   10
Ricci Vineyards (Carneros) 8/22/26 84.5   0.9 1642 48.3   7.6 0647 51.7   2.0 95   2 28   7 3.5   4.2 18.0   4.1 1755 W | 279 0.00 0.01 0.198   0.005 576   19 100   0
Carneros (Ranch 71) 8/22/26 82.0   0.7 1647 53.4   1.6 0638 52.4   1.2 92   3 30   8 3.9   4.2 21.0   7.2 1701 W | 261 0.00 0.00 0.197   0.001 581   30 100   0
Carneros Upper (Ranch 81) 8/22/26 83.2   0.7 1651 54.0   1.0 0532 52.6   19.9 - - 7.2   4.0 23.8   4.5 1654 WSW | 257 - - - - 100   0
Carneros Lower (Ranch 81) 8/22/26 89.6   0.2 1642 48.8   6.7 0642 52.2   2.2 100   7 0   31 1.2   0.4 13.1   0.9 1218 SSE | 160 0.00 0.00 0.030   0.015 25   89 100   20
Rohnert Park-West (Stony Point) 8/22/26 80.7   5.3 1218 40.9   9.2 0646 51.4   4.1 98   2 44   9 1.4   0.7 12.9   7.3 1401 SW | 219 0.00 0.00 - - 40   20
Cartograph Wines Base 8/22/26 77.0   3.3 1210 50.0   3.7 0643 54.9   1.2 98   1 51   8 2.9   1.7 20.8   3.9 1455 SSW | 192 0.00 0.08 0.172   0.019 583   44 20   20
Cartograph Wines Remote 8/22/26 79.7   5.0 1238 46.0   5.0 0640 - - - - - - - - - - - 40   20
Rice-Spivak Vineyard 8/22/26 79.9   4.5 1210 39.6   6.5 0614 - - - - - - - - - - - 20   20
Penngrove (Asellus) 8/22/26 83.1   5.9 1228 44.4   6.2 0609 50.1   3.7 98   4 32   13 1.9   0.9 11.3   2.5 1418 W | 279 0.00 0.00 - - 100   20
Petaluma (Ranch 10) 8/22/26 84.1   6.5 1357 46.8   5.5 0623 51.0   3.1 98   8 30   14 2.0   1.4 11.9   4.5 1536 WNW | 302 0.00 0.00 0.188   0.013 580   18 90   20
Max   90.4 - 54.0 - 54.9 100 51 7.2 23.8 - - 0.00 0.08 0.239 665 -
Avg   - - - - 51.2 - - 2.8 - - - - - - - -
Min   77.0 - 39.6 - 48.1 92 0 1.2 6.7 - - 0.00 0.00 0.030 25 -