Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 9/20/26 4:23 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 9/19/26 83.3   2.3 1545 50.4   0.8 0542 50.9   0.5 94   1 31   3 1.5   0.3 9.2   0.0 1521 SSE | 149 0.00 0.02 0.117   0.001 371   2 100   20
Lower Bennett Valley 9/19/26 86.0   4.7 1526 41.5   0.8 0649 51.0   0.0 100   0 30   7 3.5   0.2 13.7   0.3 1704 S | 177 0.00 0.39 0.149   0.002 485   3 90   10
Kenwood (Wildwood) 9/19/26 87.0   3.8 1521 44.8   3.6 0718 50.6   0.7 100   0 28   5 2.4   0.6 11.9   2.3 1725 N | 6 0.00 0.21 0.146   0.006 444   22 60   10
Sonoma Valley (Bedrock) 9/19/26 88.2   4.4 1545 44.3   0.7 0624 48.6   0.8 96   0 21   6 - - - - 0.00 0.29 - - 90   10
Sonoma-West (Arnold) 9/19/26 89.2   5.6 1532 45.6   0.2 0605 49.0   0.9 92   3 22   7 2.1   0.9 15.2   3.0 1532 SW | 221 0.00 0.35 0.172   0.016 508   54 80   10
Sonoma Valley HS 9/19/26 86.6   3.9 1607 47.6   0.9 0714 53.7   0.0 100   0 31   6 1.7   0.4 12.0   0.3 1807 SSW | 207 0.00 0.01 0.141   0.015 455   52 90   10
Sonoma East (Bundschu01) 9/19/26 82.4   1.8 1435 45.2   1.1 0707 50.8   0.1 94   2 34   4 2.7   0.4 14.2   4.6 1602 SSE | 152 0.00 0.23 0.148   0.021 460   53 100   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) 9/19/26 82.9   1.7 1432 45.2   3.7 0621 50.9   0.6 94   0 35   5 1.8   1.0 12.5   4.0 1656 SW | 220 0.00 0.18 - - 100   0
Ricci Vineyards (Carneros) 9/19/26 80.4   3.4 1644 46.1   5.2 0636 51.6   1.2 96   0 37   6 3.2   1.2 16.6   4.2 1811 NW | 311 0.00 0.12 0.148   0.029 463   62 100   20
Carneros (Ranch 71) 9/19/26 78.6   3.2 1652 52.9   0.4 0635 53.2   0.3 94   6 39   7 3.2   1.7 21.5   6.3 1728 WSW | 256 0.00 0.07 0.136   0.040 433   84 80   10
Carneros Upper (Ranch 81) 9/19/26 79.8   3.3 1508 53.9   2.0 0056 49.3   21.9 - - 5.7   1.4 24.8   3.7 1757 W | 262 - - - - 80   10
Carneros Lower (Ranch 81) 9/19/26 79.8   8.8 1457 47.6   2.5 0614 47.8   2.9 100   0 0   0 1.3   0.0 12.6   1.4 1413 S | 174 0.00 0.01 0.019   0.003 1   13 80   20
Rohnert Park-West (Stony Point) 9/19/26 77.8   0.2 1502 45.2   2.1 0259 53.3   0.7 98   0 46   1 1.8   0.3 15.9   3.0 1551 WSW | 246 0.00 0.20 - - 50   10
Cartograph Wines Base 9/19/26 74.0   0.7 1458 51.7   0.6 0155 54.4   0.9 98   0 55   2 3.3   0.8 21.2   0.3 1703 S | 179 0.00 0.30 0.123   0.013 455   40 10   10
Cartograph Wines Remote 9/19/26 72.0   3.3 1421 49.0   0.8 0135 - - - - - - - - - - - 50   10
Rice-Spivak Vineyard 9/19/26 77.4   0.1 1449 44.4   1.0 0210 - - - - - - - - - - - 50   10
Penngrove (Asellus) 9/19/26 81.5   3.1 1457 47.2   2.2 0403 51.7   1.8 97   0 34   7 2.0   0.2 12.6   1.5 1533 W | 264 0.00 0.57 - - 20   10
Petaluma (Ranch 10) 9/19/26 84.4   2.8 1524 46.3   3.6 0428 51.4   2.4 96   1 30   6 2.1   0.6 12.4   1.0 1722 WNW | 290 0.00 0.09 0.136   0.006 435   17 90   10
Max   89.2 - 53.9 - 54.4 100 55 5.7 24.8 - - 0.00 0.57 0.172 508 -
Avg   - - - - 51.1 - - 2.6 - - - - - - - -
Min   72.0 - 41.5 - 47.8 92 0 1.3 9.2 - - 0.00 0.01 0.019 1 -