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Latest Observation

25 Stations

Daily Data | America/Los_Angeles
as of 6/4/26 3:31 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) RH (%) 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)
Rockpile Upper (Cooley) 6/3/26 78.5   5.8 1356 52.8   2.3 0616 43.6   0.2 52   10 79   15 23   5 14.6   7.5 40.1   10.7 1701 NW | 326 0.00 42.48 0.287   0.008 743   31 40   20
Rockpile Lower (Cooley) 6/3/26 82.0   4.6 1344 57.1   7.4 0513 43.2   2.9 45   6 73   20 20   6 8.7   5.9 29.4   8.1 1711 W | 259 0.00 41.80 - - 70   20
Cloverdale-East (Ranch 83) 6/3/26 89.7   5.5 1445 47.2   2.0 0604 47.3   5.9 - - - 3.9   1.1 21.4   6.7 1734 NW | 304 0.00 35.51 0.266   0.064 698   72 90   10
Cloverdale-SE (Ranch 38) 6/3/26 88.8   7.1 1503 50.4   1.5 0546 48.5   4.7 55   18 95   5 20   24 8.0   2.0 27.6   7.8 1742 ENE | 70 0.00 37.12 0.292   0.088 672   49 60   10
Geyserville-North (Hoffman) 6/3/26 90.0   8.0 1451 46.7   2.8 0338 50.0   3.7 58   14 97   3 22   25 4.4   1.5 19.4   7.3 1601 W | 281 0.00 25.50 0.245   0.066 608   46 80   10
Geyserville (Ranch 3) 6/3/26 90.0   9.2 1510 48.3   2.7 0358 48.4   4.1 56   14 100   0 16   26 4.6   1.8 17.4   4.3 1354 W | 276 0.00 36.33 0.278   0.081 722   87 90   10
Geyserville-East (Ranch 40) 6/3/26 89.5   11.1 1515 48.3   0.4 0506 50.1   2.3 62   17 100   1 22   26 4.4   2.2 26.3   4.7 1650 NNW | 338 0.00 37.19 0.253   0.061 693   45 40   10
Geyserville-South (Nervo Station) 6/3/26 89.9   11.7 1347 48.3   1.8 0424 - - - - 5.3   2.4 25.6   14.1 1613 W | 281 0.00 27.24 - - 30   10
Peterson (Ranch 09) 6/3/26 90.9   11.9 1507 49.2   0.8 0253 47.3   3.4 56   16 96   4 15   27 5.3   1.8 20.4   7.3 1740 W | 267 0.00 34.02 0.268   0.084 670   84 10   10
Crazy Creek Ranch 6/3/26 90.3   9.2 1520 47.9   0.7 0258 51.0   2.2 62   13 99   4 22   25 4.3   2.1 20.7   10.3 1516 WSW | 240 0.00 37.50 0.263   0.071 706   67 60   10
Whitton Ranch (201e) 6/3/26 89.3   9.6 1349 41.7   5.5 0405 48.6   3.7 59   15 100   3 18   26 4.2   1.4 17.7   6.6 1756 NW | 321 0.00 38.45 0.245   0.065 639   59 80   10
Lytton East (Shop Hill Bottom) 6/3/26 90.5   13.3 1510 49.7   0.0 0128 48.5   2.9 59   16 100   6 16   30 4.6   1.5 20.9   6.9 1814 WNW | 293 0.00 39.27 0.263   0.078 698   82 30   10
Lytton East (Hill 5) 6/3/26 89.5   12.2 1506 49.8   0.2 0513 48.4   3.0 59   17 98   3 17   29 7.7   3.3 27.6   10.0 1800 NW | 308 0.00 38.71 0.280   0.105 635   80 10   10
Lytton West Lower (Lew 6) 6/3/26 89.5   12.4 1459 48.1   1.1 0213 48.8   2.8 60   16 100   5 16   30 5.2   2.0 21.0   7.0 1755 W | 280 0.00 39.17 0.254   0.083 626   69 30   10
Lytton West Hill (23PS) 6/3/26 89.6   13.1 1507 50.1   0.9 0528 49.0   2.9 59   17 100   5 16   32 5.5   1.5 23.4   9.0 1650 WNW | 298 0.00 40.91 0.261   0.082 649   58 30   10
Big River 6/3/26 89.6   13.2 1452 49.6   1.4 0606 50.5   1.8 62   15 100   4 21   30 4.2   0.7 19.9   6.1 1916 NW | 309 0.00 35.87 0.264   0.075 729   89 10   10
Jimtown-North (Piccolo Ranch 15) 6/3/26 90.1   9.3 1506 46.1   2.4 0335 47.7   3.6 57   15 100   0 15   25 3.3   1.7 20.0   8.6 1437 WSW | 256 0.00 35.25 0.235   0.065 622   71 60   10
HWY 128/Chalk Hill Rd (Landslide) 6/3/26 92.0   11.8 1543 47.9   2.6 0251 49.4   2.5 60   13 100   6 16   25 2.9   0.2 17.8   5.6 1807 W | 267 0.00 35.17 0.229   0.060 607   77 60   10
N Chalk Hill Rd (Ranch 63) 6/3/26 89.4   11.3 1543 46.7   3.2 0317 48.1   2.9 59   14 100   8 18   27 3.9   1.2 20.5   9.5 2016 WNW | 297 0.00 35.99 0.248   0.074 624   67 90   10
Newman Knights Valley 6/3/26 90.1   9.9 1501 45.6   3.9 0410 54.5   1.5 69   6 89   2 44   15 3.6   0.1 22.8   9.2 1659 WSW | 245 0.00 35.40 - - 40   10
Knights Valley (Bavarian Lion) 6/3/26 89.7   7.7 1424 44.0   2.3 0442 47.6   3.5 60   13 97   0 16   22 3.8   1.4 21.3   11.0 1807 W | 264 0.00 35.08 0.252   0.062 667   54 50   20
Red Tail 6/3/26 91.2   12.9 1610 46.5   0.8 0214 50.7   1.0 63   14 95   2 21   28 3.9   0.6 20.1   6.6 1712 WSW | 256 0.00 36.23 0.252   0.069 682   64 10   10
Franz Valley (Stornetta) 6/3/26 90.6   9.2 1534 45.0   2.7 0620 46.9   4.2 - 96   1 16   22 2.6   0.5 18.8   9.3 2014 WSW | 258 0.00 35.65 - - 70   20
Upper Dry Creek Valley 6/3/26 88.0   6.7 1448 49.7   1.5 0537 47.9   4.6 55   16 97   4 17   27 5.2   1.8 21.7   8.4 1751 NW | 304 0.00 39.64 0.278   0.077 710   73 90   20
Lower Dry Creek Valley 6/3/26 91.0   13.7 1504 49.3   1.9 0219 48.6   3.7 59   17 100   0 14   33 7.2   3.6 26.8   11.8 1653 WNW | 287 0.00 38.68 0.291   0.113 664   88 0   10
Max   92.0 - 57.1 - 54.5 69 100 44 14.6 40.1 - - 0.00 42.48 0.292 743 -
Avg   - - - - 48.5 58 - - 5.3 - - - - - - - -
Min   78.5 - 41.7 - 43.2 45 73 14 2.6 17.4 - - 0.00 25.50 0.229 607 -

Sonoma County-Central Daily Obs

37 Stations

Daily Data | America/Los_Angeles
as of 6/4/26 3:31 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) RH (%) Daily Max RH (%) Daily Min RH (%) Wind Spd (mph) Daily Max Wind (mph) Time of Max Wind Daily Rain (In) Season Precip (In) Daily ETo (in) Daily Solar Rad (Cal/cm2) Powdery Mildew Stress (pts)
Windsor-NW (Ranch 8) 6/3/26 91.4   15.6 1505 50.2   1.1 0149 51.2   0.3 60 89   5 21   34 1.2 21.7   21.7 1907 0.00 34.62 0.225   0.056 687   89 30
Windsor-East (Ranch 16) 6/3/26 91.6   16.9 1433 47.4   1.5 0134 49.7   1.5 61 100   7 16   33 3.5 18.7   5.2 1641 0.00 27.43 0.254   0.079 702   101 10
Mark West-North (Ranch 14) 6/3/26 90.6   18.1 1501 50.8   0.9 0129 49.1   1.9 59 97   4 14   37 2.1 11.7   1.3 1758 0.00 29.47 0.046   0.022 0   0 60
Windsor-SE (Silk Rd) 6/3/26 91.1   17.8 1432 50.2   0.5 0101 50.3   1.3 63 100   4 15   37 3.1 20.7   8.8 1607 0.00 27.03 0.233   0.070 664   84 10
Fulton-NW (Ranch 5) 6/3/26 90.8   19.4 1451 50.4   0.2 0104 41.5   9.9 51 100   6 3   52 4.6 23.5   9.6 1700 0.00 30.39 0.268   0.102 704   107 20
Bisordi (Fulton) 6/3/26 90.9   18.1 1459 50.4   0.4 0126 52.1   0.2 63 96   4 20   39 3.3 22.9   10.0 1844 0.00 24.77 0.252   0.082 724   107 50
Windsor-South (Laughlin Rd) 6/3/26 92.6   18.2 1454 50.3   0.5 0500 46.9   4.0 58 100   7 0   50 - - - 0.00 28.91 - - 10
Fulton-SE (Barnes Rd) 6/3/26 92.4   19.2 1503 50.8   1.1 0131 51.0   0.1 60 94   4 18   32 2.8 22.1   7.8 1622 0.00 29.04 - - 20
Fulton-SW (Ranch 21) 6/3/26 91.8   20.9 1459 50.8   0.5 0607 16.0   35.0 33 100   6 0   55 3.7 21.0   5.5 1635 0.00 29.63 0.260   0.094 712   110 30
NW Santa Rosa (Piner Road) 6/3/26 93.6   23.8 1534 50.8   0.1 0642 53.9   0.0 70 100   0 23   39 1.5 10.9   1.6 1451 0.00 23.80 - - 30
River Rd South (Denner Ranch) 6/3/26 91.3   22.0 1518 50.1   0.2 0423 6.3   17.2 27 100   0 0   0 4.3 22.8   4.8 1459 - - - - 40
West Santa Rosa (LOV Vineyard) 6/3/26 91.6   21.6 1538 50.6   0.3 0713 51.0   0.3 65 100   4 18   39 2.5 16.5   3.4 1645 0.00 23.43 0.054   0.032 0   0 30
Guerneville Rd (Prokopakis) 6/3/26 90.6   14.9 1447 50.9   0.8 0623 52.2   0.0 64 98   4 19   29 - - - 0.00 28.59 - - 60
SunnyView Vineyard (SCWC) 6/3/26 92.1   22.0 1506 50.6   0.5 0657 50.4   0.2 63 100   5 17   37 3.0 18.3   4.9 1601 0.00 31.16 0.221   0.078 614   99 40
Guerneville Rd West (Balletto) 6/3/26 91.0   21.5 1523 50.4   0.6 0651 53.2   0.9 68 100   2 22   40 2.9 17.8   4.2 1553 0.00 28.73 - - 30
Sanchietti Ranch 6/3/26 91.9   20.7 1611 51.3   1.3 0630 54.5   1.5 - 97   3 25   37 2.9 17.3   5.0 1532 0.00 29.34 - - 20
Occidental Rd (Sebastopol) 6/3/26 92.1   22.8 1538 49.6   0.9 0640 56.5   0.8 77 100   0 30   44 2.4 18.0   3.3 1542 0.00 11.89 - - 30
Harper's Rest (Windsor-West) 6/3/26 90.0   14.9 1438 47.2   0.0 0101 49.4   1.4 - 98   3 14   34 2.5 16.5   4.4 1537 0.00 35.13 - - 40
Lower Westside Rd (Ranch 12) 6/3/26 92.2   16.6 1435 49.2   0.3 0107 49.3   2.1 63 100   7 13   35 2.5 16.6   3.9 1556 0.00 33.79 - - 10
Guerneville (Laughlin Rd) 6/3/26 92.4   17.3 1443 50.3   2.0 0102 48.3   2.5 59 96   3 13   33 2.3 19.2   5.3 1724 0.00 44.81 - - 40
Korbel (Winery) 6/3/26 91.9   16.6 1440 50.7   0.8 0632 49.1   2.6 59 97   5 12   37 2.3 18.1   8.1 1357 0.00 42.00 - - 50
Forestville (Shone Farms) 6/3/26 93.5   17.9 1418 49.5   0.4 0221 51.0   0.9 63 98   3 16   35 2.9 18.1   5.9 1813 0.00 36.08 0.232   0.066 648   69 10
Forestville-NE (Ranch 30) 6/3/26 91.1   16.4 1642 49.5   0.0 0605 52.5   0.2 67 100   3 21   37 3.5 22.2   8.6 1520 0.00 33.95 0.247   0.074 671   56 50
Foggy Bend (Ranch 41) 6/3/26 91.1   16.2 1632 50.7   0.2 0528 54.3   1.3 69 97   3 26   31 3.1 21.1   8.3 1403 0.00 35.26 0.238   0.066 678   62 10
Last Stop 6/3/26 91.0   15.2 1428 50.0   3.9 0617 52.5   0.2 67 98   1 19   36 2.6 21.4   8.6 1435 0.00 34.24 0.220   0.050 638   41 10
Green Valley Vineyard 6/3/26 90.7   15.2 1507 49.3   2.3 0540 50.7   0.4 65 99   1 15   29 2.3 16.4   2.2 1614 0.00 41.77 0.117   0.093 248   236 50
Park Royal 6/3/26 92.2   21.5 1516 50.5   0.2 0650 49.8   0.7 62 99   3 17   35 - - - 0.00 17.10 - - 30
Merino 6/3/26 91.7   18.9 1532 50.9   2.4 0624 53.4   0.6 69 100   0 24   33 2.6 18.7   7.0 1600 0.00 30.08 0.231   0.070 688   107 30
Green Valley (Sanchietti) 6/3/26 93.6   19.8 1555 50.4   3.1 0644 - - - - - - - - - - - 10
Keefer Ranch (Green Valley) 6/3/26 91.2   19.6 1545 49.9   2.8 0615 53.0   1.3 69 98   2 20   38 - - - 0.00 37.19 - - 60
Graton-West (Dutton Ranch) 6/3/26 92.6   20.2 1536 50.1   0.2 0627 53.8   2.3 70 100   0 16   45 1.9 12.8   1.2 1810 0.00 45.44 - - 30
Graton-South (Mill Station Rd) 6/3/26 90.8   25.3 1527 48.7   0.5 0641 51.5   0.4 68 99   3 17   47 0.9 8.7   1.8 1503 0.00 34.59 - - 30
Occidental (Horseshoe Bend) 6/3/26 85.7   18.4 1417 44.9   3.4 0545 50.3   0.6 - 100   0 25   34 - - - 0.00 37.58 - - 30
Sexton Valley (Jacqueline's Blk) 6/3/26 90.7   25.2 1503 49.2   0.8 0646 53.4   1.5 71 99   2 24   42 1.8 13.0   0.1 1903 0.00 23.05 - - 30
Sebastopol Hills (Burnside Rd) 6/3/26 88.4   26.0 1508 47.4   1.3 0616 52.5   1.1 73 100   0 25   49 2.2 11.8   4.8 1609 0.00 33.82 - - 0
Pleasant Hill 6/3/26 91.0   22.1 1513 48.6   2.0 0659 51.7   1.0 - 97   0 17   39 2.4 11.5   2.7 1559 0.00 31.82 - - 70
Seaview/Fort Ross (Hirsch) 6/3/26 80.8   9.2 1506 56.4   4.8 0406 44.7   0.0 50 79   4 22   6 6.5 20.0   7.4 1238 0.00 53.98 0.263   0.058 754   28 30
Max   93.6 - 56.4 - 56.5 77 100 30 6.5 23.5 - 0.00 53.98 0.268 754 -
Avg   - - - - 48.8 62 - - 2.8 - - - - - - -
Min   80.8 - 44.9 - 6.3 27 79 0 0.9 8.7 - 0.00 11.89 0.046 0 -

Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 6/4/26 3:31 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 6/3/26 88.7   16.7 1523 48.4   1.2 0523 47.3   3.0 93   5 16   34 2.3   0.6 12.3   3.3 1807 NW | 324 0.00 6.09 0.181   0.047 521   47 40   10
Lower Bennett Valley 6/3/26 89.9   15.9 1532 46.6   0.6 0122 50.3   1.6 100   0 21   30 4.4   1.0 19.9   8.5 2153 NNW | 338 0.00 28.00 0.252   0.083 684   82 20   10
Kenwood (Wildwood) 6/3/26 89.4   11.3 1455 48.3   1.4 0239 49.7   2.0 100   3 20   24 4.0   0.3 22.6   9.5 1857 NNW | 334 0.00 32.85 0.250   0.060 684   44 0   0
Sonoma Valley (Bedrock) 6/3/26 89.3   8.9 1620 45.5   3.7 0511 47.8   2.5 97   4 20   19 - - - - 0.00 28.95 - - 40   10
Sonoma-West (Arnold) 6/3/26 87.8   5.4 1354 43.4   0.8 0446 49.2   0.9 100   4 23   13 3.5   0.8 17.7   4.1 1733 WSW | 249 0.00 18.30 0.266   0.035 768   13 60   10
Sonoma Valley HS 6/3/26 87.2   7.9 1507 47.2   1.9 0501 52.5   0.5 100   2 26   18 2.7   0.1 15.9   5.1 1748 WSW | 247 0.00 6.91 0.228   0.030 706   23 10   10
Sonoma East (Bundschu01) 6/3/26 88.0   8.8 1533 45.7   0.4 0504 49.8   0.5 96   2 24   15 3.5   0.2 17.5   1.3 1352 SE | 136 0.00 21.65 0.236   0.031 706   15 30   10
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) 6/3/26 88.8   8.4 1520 46.6   1.1 0506 49.9   0.5 95   0 24   15 2.9   0.4 18.2   4.7 1612 SW | 219 0.00 18.67 - - 10   10
Ricci Vineyards (Carneros) 6/3/26 87.7   9.7 1506 47.0   4.0 0245 49.9   1.3 96   3 23   19 4.8   0.8 21.0   3.4 1706 WSW | 252 0.00 23.15 0.254   0.053 711   41 10   10
Carneros (Ranch 71) 6/3/26 86.0   10.0 1535 49.1   0.2 0531 50.2   0.8 100   6 25   19 5.2   0.1 24.6   4.9 1625 WSW | 256 0.00 19.98 0.250   0.052 717   26 60   20
Carneros Upper (Ranch 81) 6/3/26 86.2   11.6 1507 48.6   0.7 0528 31.6   19.3 - - 7.6   0.6 27.8   7.2 1645 W | 278 - - - - 30   20
Carneros Lower (Ranch 81) 6/3/26 90.4   13.8 1528 47.8   1.5 0442 45.3   6.8 100   6 0   42 1.4   0.0 13.1   0.7 1630 NW | 306 0.00 19.55 0.195   0.018 628   3 60   10
Rohnert Park-West (Stony Point) 6/3/26 84.8   18.6 1545 49.4   1.5 0649 53.1   1.1 99   3 33   34 2.0   1.2 14.0   2.8 1723 SW | 231 0.00 12.31 - - 50   20
Cartograph Wines Base 6/3/26 82.0   18.0 1533 48.6   1.7 0610 52.7   0.9 100   2 34   40 4.8   0.4 19.6   1.2 1722 SSW | 204 0.00 28.86 0.215   0.088 677   120 20   20
Cartograph Wines Remote 6/3/26 81.6   14.4 1629 49.3   1.8 0537 - - - - - - - - - - - 30   20
Rice-Spivak Vineyard 6/3/26 85.5   17.8 1531 49.2   1.7 0616 - - - - - - - - - - - 50   20
Penngrove (Asellus) 6/3/26 84.2   12.5 1456 48.6   2.9 0059 50.3   0.5 97   3 26   24 2.5   0.6 11.6   0.9 1928 WNW | 284 0.00 68.31 - - 60   20
Petaluma (Ranch 10) 6/3/26 83.8   8.8 1458 47.7   3.4 0201 50.1   1.1 95   4 26   21 3.6   0.4 14.7   0.9 1559 WNW | 287 0.00 19.96 0.226   0.054 673   88 20   20
Max   90.4 - 49.4 - 53.1 100 34 7.6 27.8 - - 0.00 68.31 0.266 768 -
Avg   - - - - 48.7 - - 3.7 - - - - - - - -
Min   81.6 - 43.4 - 31.6 93 0 1.4 11.6 - - 0.00 6.09 0.181 521 -