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Latest Observation

25 Stations

Daily Data | America/Los_Angeles
as of 10/1/26 4:30 PM PDT
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) 9/30/26 94.4   7.9 1432 61.4   2.7 0201 40.9   0.9 30   5 52   1 14   1 6.7   4.0 21.7   4.2 0201 NNW | 335 0.00 0.33 0.230   0.018 496   3 40   10
Rockpile Lower (Cooley) 9/30/26 96.8   6.8 1355 63.8   3.5 0632 42.5   1.7 32   2 49   4 13   1 3.0   1.3 15.1   4.3 1612 W | 270 0.00 0.33 - - 30   10
Cloverdale-East (Ranch 83) 9/30/26 99.3   3.0 1505 51.3   8.8 0058 44.7   1.3 - - - 3.2   1.0 14.6   3.2 0910 N | 0 0.00 0.12 0.170   0.013 421   3 70   10
Cloverdale-SE (Ranch 38) 9/30/26 96.7   2.0 1604 60.5   1.1 0059 46.9   1.9 38   1 62   6 18   1 7.5   1.4 24.4   2.1 0644 N | 354 0.00 0.11 0.221   0.017 404   4 50   10
Geyserville-North (Hoffman) 9/30/26 96.9   1.2 1530 50.6   3.0 0101 48.8   2.9 47   7 86   14 19   3 2.3   1.2 12.3   2.3 1721 SE | 140 0.00 0.00 0.170   0.016 448   1 80   10
Geyserville (Ranch 3) 9/30/26 96.4   0.0 1618 51.8   1.6 0059 45.2   2.4 41   5 76   2 15   3 2.8   1.9 12.8   2.8 1652 ESE | 107 0.00 0.13 0.168   0.029 417   0 60   10
Geyserville-East (Ranch 40) 9/30/26 94.8   2.3 1601 58.5   1.7 0059 47.9   2.2 43   3 74   7 19   4 4.8   0.1 17.4   3.5 1614 S | 173 0.00 0.12 0.210   0.011 461   4 60   10
Geyserville-South (Nervo Station) 9/30/26 95.3   2.3 1450 55.9   0.2 0051 - - - - 2.2   1.9 11.5   8.7 1503 SE | 136 0.00 0.22 - - 60   10
Peterson (Ranch 09) 9/30/26 95.6   1.7 1504 48.3   3.9 0723 44.7   2.9 45   0 85   9 15   4 2.8   1.7 11.2   5.7 1651 SSE | 152 0.00 0.20 0.163   0.041 447   4 10   10
Crazy Creek Ranch 9/30/26 96.2   0.9 1631 50.4   3.6 0719 47.8   2.0 51   2 84   6 20   5 1.6   1.5 10.0   7.4 1719 S | 175 0.00 0.24 0.166   0.032 484   2 70   10
Whitton Ranch (201e) 9/30/26 96.5   1.2 1608 44.9   2.7 0723 45.5   2.5 50   2 94   6 15   4 2.0   1.3 10.3   4.3 1704 SSE | 147 0.00 0.29 0.150   0.026 389   11 80   10
Lytton East (Shop Hill Bottom) 9/30/26 95.8   1.1 1537 50.3   5.3 0658 45.9   4.0 48   4 89   7 14   4 2.8   1.1 13.6   4.7 1544 SE | 144 0.00 0.27 0.183   0.028 472   0 70   10
Lytton East (Hill 5) 9/30/26 95.6   0.0 1545 54.0   2.9 0059 46.5   3.1 46   3 86   5 15   3 3.8   1.9 16.0   6.4 1654 SSE | 153 0.00 0.25 0.183   0.047 418   2 80   10
Lytton West Lower (Lew 6) 9/30/26 96.3   0.1 1554 47.8   5.1 0718 46.1   4.4 49   4 90   10 15   4 2.4   1.6 11.8   5.7 1644 SSE | 160 0.00 0.28 0.180   0.039 481   1 100   0
Lytton West Hill (23PS) 9/30/26 96.2   0.3 1542 53.6   4.4 0058 47.2   3.7 47   2 88   10 14   4 2.9   1.2 14.5   0.8 1620 SSW | 194 0.00 0.26 0.188   0.031 494   1 100   0
Big River 9/30/26 93.8   3.1 1457 52.8   2.0 0059 48.8   2.3 49   4 90   0 20   5 2.0   0.1 12.4   1.5 1630 SSW | 201 0.00 0.28 0.173   0.002 488   11 80   10
Jimtown-North (Piccolo Ranch 15) 9/30/26 96.7   0.4 1516 47.8   3.0 0721 42.8   1.5 46   1 81   19 14   3 1.1   1.7 10.1   6.4 1633 SSW | 192 0.00 0.20 0.133   0.036 412   1 70   10
HWY 128/Chalk Hill Rd (Landslide) 9/30/26 96.3   3.1 1528 47.4   4.5 0716 46.2   2.4 53   1 87   8 17   6 1.7   0.2 11.3   1.8 1659 S | 173 0.00 0.31 0.146   0.010 402   2 40   10
N Chalk Hill Rd (Ranch 63) 9/30/26 94.0   3.2 1528 45.1   3.7 0708 45.7   2.9 53   2 89   10 17   5 1.8   0.7 10.3   2.7 1706 S | 177 0.00 0.29 0.150   0.016 410   1 50   10
Newman Knights Valley 9/30/26 94.4   3.1 1533 46.0   3.5 0654 52.0   0.0 59   0 81   8 39   4 2.2   0.6 12.3   2.3 1440 SW | 227 0.00 0.40 - - 60   10
Knights Valley (Bavarian Lion) 9/30/26 94.8   1.9 1513 43.2   2.8 0643 43.4   2.0 54   1 91   5 14   4 2.0   0.7 11.4   1.5 1702 WNW | 294 0.00 0.26 0.160   0.018 456   2 90   10
Red Tail 9/30/26 93.9   4.1 1529 48.9   2.8 0057 48.8   1.3 50   6 85   4 24   8 2.7   0.4 12.4   0.9 1554 SSE | 161 0.00 0.29 0.168   0.006 464   2 80   10
Franz Valley (Stornetta) 9/30/26 94.2   3.1 1538 44.7   3.0 0717 44.5   3.1 - 87   6 17   6 1.4   0.3 10.1   4.0 1547 SE | 143 0.00 0.43 - - 90   10
Upper Dry Creek Valley 9/30/26 99.0   3.2 1639 50.2   0.6 0059 47.1   3.6 47   5 88   1 12   1 2.1   1.1 11.8   4.7 1447 SE | 140 0.00 0.14 0.175   0.023 480   1 80   10
Lower Dry Creek Valley 9/30/26 97.2   0.6 1552 48.4   5.2 0711 47.2   4.5 51   4 89   11 13   3 1.9   3.0 12.6   5.3 1503 S | 187 0.00 0.26 0.162   0.065 450   1 100   0
Max   99.3 - 63.8 - 52.0 59 94 39 7.5 24.4 - - 0.00 0.43 0.230 496 -
Avg   - - - - 46.1 47 - - 2.8 - - - - - - - -
Min   93.8 - 43.2 - 40.9 30 49 12 1.1 10.0 - - 0.00 0.00 0.133 389 -

Sonoma County-Central Daily Obs

37 Stations

Daily Data | America/Los_Angeles
as of 10/1/26 4:30 PM PDT
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) 9/30/26 96.4   4.8 1509 52.2   4.6 0059 51.1   3.2 59 83   3 20   5 0.0 6.9   9.1 1549 0.00 0.50 0.132   0.020 466   1 10
Windsor-East (Ranch 16) 9/30/26 93.7   6.7 1515 47.7   4.7 0705 47.8   4.9 58 91   9 19   9 2.4 12.6   0.8 1635 0.00 0.23 0.170   0.001 456   2 50
Mark West-North (Ranch 14) 9/30/26 93.7   5.2 1430 48.8   4.0 0648 47.8   3.5 58 93   4 18   8 1.6 11.1   3.1 1601 0.00 0.24 - - 20
Windsor-SE (Silk Rd) 9/30/26 93.6   3.9 1529 45.0   3.7 0722 47.8   3.7 63 97   0 20   8 1.4 10.5   1.2 1424 0.00 0.32 0.155   0.002 464   0 10
Fulton-NW (Ranch 5) 9/30/26 91.4   5.1 1521 46.8   3.8 0706 48.3   2.9 61 96   0 22   9 2.4 11.6   0.3 1653 0.00 0.23 0.167   0.004 474   0 10
Bisordi (Fulton) 9/30/26 91.6   4.8 1526 45.1   3.5 0647 50.1   2.5 65 94   2 26   10 1.5 10.9   0.4 1641 0.00 0.22 0.166   0.003 507   0 10
Windsor-South (Laughlin Rd) 9/30/26 93.6   5.2 1554 49.0   3.9 0616 49.0   2.8 61 94   0 18   7 - - - 0.00 0.17 - - 10
Fulton-SE (Barnes Rd) 9/30/26 91.9   5.3 1513 49.1   4.2 0641 50.0   2.5 61 90   4 23   9 1.1 9.6   0.4 1729 0.00 0.29 - - 10
Fulton-SW (Ranch 21) 9/30/26 91.0   4.9 1417 47.4   4.4 0720 46.4   0.8 61 100   6 0   12 2.4 12.1   0.1 1647 0.00 0.20 0.174   0.005 504   3 10
NW Santa Rosa (Piner Road) 9/30/26 91.8   4.8 1535 44.6   3.2 0712 51.9   3.5 72 100   0 27   11 1.9 11.7   0.2 1546 0.00 0.00 - - 10
River Rd South (Denner Ranch) 9/30/26 89.3   7.8 1330 45.9   4.4 0708 9.5   1.4 34 100   0 0   0 3.5 14.5   0.2 1403 - - - - 20
West Santa Rosa (LOV Vineyard) 8/25/26 85.6   5.6 1427 51.5   1.4 0051 53.4   2.0 73 96   2 24   16 1.5 11.9   1.3 1443 0.00 0.00 0.029   0.002 0   0 100
Guerneville Rd (Prokopakis) 9/30/26 94.0   5.0 1520 45.0   3.8 0712 48.6   3.5 63 98   2 20   9 - - - 0.00 0.24 - - 0
SunnyView Vineyard (SCWC) 9/30/26 91.6   4.7 1412 43.6   3.4 0708 47.6   3.7 65 95   0 21   9 1.5 11.3   1.8 1527 0.00 0.27 0.135   0.014 390   0 10
Guerneville Rd West (Balletto) 9/30/26 90.3   5.7 1503 45.5   4.1 0639 50.3   2.8 68 96   0 25   10 2.1 13.2   1.3 1412 0.00 0.43 - - 10
Sanchietti Ranch 9/30/26 90.8   4.1 1517 45.4   3.8 0717 51.8   2.1 - 96   1 27   8 2.5 13.7   0.1 1535 0.00 0.28 - - 10
Occidental Rd (Sebastopol) 9/30/26 91.1   4.8 1514 45.4   3.7 0710 52.6   1.6 75 100   0 28   8 1.8 13.8   0.7 1542 0.00 0.20 - - 10
Harper's Rest (Windsor-West) 9/30/26 95.0   4.1 1551 47.1   3.4 0059 46.7   2.2 - 93   5 14   4 1.5 10.4   1.9 1630 0.00 0.45 - - 50
Lower Westside Rd (Ranch 12) 9/30/26 93.8   5.3 1433 46.2   3.3 0655 47.4   2.7 60 94   5 14   3 1.4 11.2   1.5 1549 0.00 0.45 - - 50
Guerneville (Laughlin Rd) 9/30/26 93.2   1.1 1524 44.8   2.6 0709 46.6   0.1 62 94   1 15   0 1.4 13.2   1.2 1400 0.00 0.81 - - 50
Korbel (Winery) 9/30/26 91.8   3.1 1439 46.3   2.8 0643 47.6   0.5 62 96   4 17   5 0.7 13.2   2.6 1610 0.00 0.52 - - 80
Forestville (Shone Farms) 9/30/26 95.5   3.3 1539 48.9   2.8 0045 49.5   2.5 59 94   1 18   5 1.4 10.8   1.1 1642 0.00 0.43 0.154   0.002 466   1 20
Forestville-NE (Ranch 30) 9/30/26 94.9   3.3 1622 46.4   2.9 0520 50.7   1.7 65 97   2 23   5 1.8 11.1   0.3 1525 0.00 0.40 0.167   0.005 478   2 70
Foggy Bend (Ranch 41) 9/30/26 93.1   3.6 1426 47.7   3.2 0702 52.6   1.0 67 96   1 29   4 1.6 12.9   2.5 1506 0.00 0.42 0.161   0.009 463   2 50
Last Stop 9/30/26 95.5   1.2 1506 46.6   3.1 0056 49.4   1.4 65 94   4 21   4 1.5 12.0   0.2 1530 0.00 0.39 0.160   0.005 472   3 40
Green Valley Vineyard 9/30/26 92.2   3.0 1510 49.2   2.2 0031 48.3   0.8 58 96   2 18   5 1.7 11.6   1.1 1656 0.00 0.57 0.042   0.001 0   23 20
Park Royal 9/30/26 92.4   3.0 1459 46.5   4.7 0724 47.9   3.2 62 97   3 21   9 - - - 0.00 0.21 - - 10
Merino 9/30/26 94.5   4.5 1519 43.8   4.3 0714 50.4   2.9 70 100   0 24   7 1.7 10.9   1.4 1342 0.00 0.33 0.163   0.000 491   2 0
Green Valley (Sanchietti) 9/30/26 91.5   4.6 1437 45.0   3.3 0705 - - - - - - - - - - - 50
Keefer Ranch (Green Valley) 9/30/26 91.4   4.5 1500 44.1   2.5 0706 49.8   1.3 70 97   1 24   6 - - - 0.00 0.48 - - 20
Graton-West (Dutton Ranch) 9/30/26 92.4   4.8 1457 45.0   2.8 0701 64.4   1.9 100 100   0 100   0 1.7 10.9   0.0 1805 0.00 0.61 - - 80
Graton-South (Mill Station Rd) 9/30/26 86.2   7.5 1231 44.2   4.4 0706 49.5   3.0 68 96   0 28   12 0.8 7.7   1.0 1717 0.00 0.41 - - 40
Occidental (Horseshoe Bend) 9/30/26 86.3   5.6 1446 47.8   7.2 0059 49.5   1.6 - 98   19 25   9 - - - 0.00 0.75 - - 30
Sexton Valley (Jacqueline's Blk) 9/30/26 88.7   5.1 1248 45.1   1.9 0731 52.1   1.4 73 100   0 35   14 1.2 11.8   0.0 1415 0.00 0.27 - - 30
Sebastopol Hills (Burnside Rd) 9/30/26 83.7   8.5 1451 50.5   2.6 0052 51.5   1.0 63 100   6 37   17 2.3 12.2   0.5 1558 0.00 0.00 - - 60
Pleasant Hill 9/30/26 89.6   3.7 1452 46.8   1.2 0029 48.8   0.7 - 96   2 24   8 1.8 11.4   1.0 1536 0.00 0.49 - - 20
Seaview/Fort Ross (Hirsch) 9/30/26 85.8   1.8 1619 70.0   5.3 0719 42.5   2.7 29 38   4 22   5 2.1 8.3   6.6 1540 0.00 0.07 0.163   0.038 494   8 40
Max   96.4 - 70.0 - 64.4 100 100 100 3.5 14.5 - 0.00 0.81 0.174 507 -
Avg   - - - - 48.4 63 - - 1.7 - - - - - - -
Min   83.7 - 43.6 - 9.5 29 38 0 0.0 6.9 - 0.00 0.00 0.042 0 -

Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 10/1/26 4:30 PM PDT
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 9/30/26 91.6   4.4 1606 58.2   1.3 0026 43.9   2.3 56   3 20   9 1.9   0.1 8.9   4.1 1504 S | 176 0.00 0.02 0.127   0.006 350   8 50   10
Lower Bennett Valley 9/30/26 93.0   2.4 1447 44.3   2.4 0050 46.9   2.0 93   7 22   10 1.8   0.1 10.4   2.9 1533 SSW | 202 0.00 0.39 0.159   0.006 451   1 10   10
Kenwood (Wildwood) 9/30/26 95.0   1.0 1530 46.8   0.7 0706 48.4   3.5 92   3 20   8 2.6   0.2 13.9   1.0 1433 SE | 131 0.00 0.21 0.155   0.005 430   3 40   10
Sonoma Valley (Bedrock) 9/30/26 93.0   2.9 1536 46.2   3.9 0730 46.3   3.0 90   6 20   8 - - - - 0.00 0.29 - - 70   10
Sonoma-West (Arnold) 9/30/26 95.3   1.0 1534 45.8   3.0 0654 46.7   2.2 88   4 20   6 2.0   0.3 13.7   3.5 1558 SSW | 208 0.00 0.35 0.188   0.007 524   1 80   10
Sonoma Valley HS 9/30/26 94.4   0.7 1540 49.2   4.0 0654 52.1   1.1 99   1 24   6 1.6   0.0 6.3   5.1 1923 SSW | 195 0.00 0.01 0.155   0.002 464   3 10   10
Sonoma East (Bundschu01) 9/30/26 93.7   0.2 1521 46.7   4.9 0656 47.8   2.3 93   2 20   6 2.3   0.0 11.0   4.6 1557 SSE | 165 0.00 0.23 0.170   0.004 486   1 50   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) 9/30/26 94.6   0.4 1544 47.0   3.8 0659 48.1   2.1 93   1 19   5 1.3   0.2 9.1   6.7 1607 SSE | 148 0.00 0.18 - - 50   10
Ricci Vineyards (Carneros) 9/30/26 93.0   0.5 1537 47.5   4.5 0628 48.9   0.4 95   1 19   4 2.6   0.6 12.1   5.6 1903 NW | 310 0.00 0.12 0.173   0.011 495   0 30   10
Carneros (Ranch 71) 9/30/26 91.2   0.5 1548 56.9   4.6 0603 51.1   0.6 90   1 21   6 2.7   0.6 12.7   9.3 1753 WSW | 249 0.00 0.07 0.164   0.014 476   0 0   10
Carneros Upper (Ranch 81) 9/30/26 92.2   0.4 1521 55.4   2.7 0101 51.7   0.5 - - 4.3   0.7 16.8   7.7 1823 SW | 233 - - - - 0   10
Carneros Lower (Ranch 81) 9/30/26 92.6   3.5 1448 50.1   4.8 0607 44.6   3.1 100   0 0   0 1.3   0.1 10.4   2.5 1613 S | 173 0.00 0.01 0.031   0.005 0   3 30   10
Rohnert Park-West (Stony Point) 9/30/26 87.8   3.9 1259 42.0   2.7 0708 50.4   3.0 97   2 31   9 1.5   0.2 13.7   3.7 1506 WNW | 283 0.00 0.21 - - 0   10
Cartograph Wines Base 9/30/26 85.5   3.2 1239 50.7   1.9 0056 52.9   1.0 97   1 36   7 3.2   0.2 19.7   0.7 1739 SSW | 199 0.00 0.32 0.154   0.012 465   1 40   20
Cartograph Wines Remote 9/30/26 87.3   1.7 1233 47.7   3.2 0715 - - - - - - - - - - - 60   20
Rice-Spivak Vineyard 9/30/26 87.9   3.6 1211 41.5   3.3 0706 - - - - - - - - - - - 30   10
Penngrove (Asellus) 9/30/26 94.1   1.5 1359 44.3   2.3 0651 48.2   2.9 96   2 20   3 1.8   0.1 11.2   3.3 1424 WNW | 302 0.00 0.59 - - 0   0
Petaluma (Ranch 10) 9/30/26 94.9   1.2 1432 45.6   3.5 0640 48.8   3.5 95   3 20   3 1.8   0.2 10.1   4.6 1659 NNW | 344 0.00 0.09 0.143   0.008 418   1 40   10
Max   95.3 - 58.2 - 52.9 100 36 4.3 19.7 - - 0.00 0.59 0.188 524 -
Avg   - - - - 48.5 - - 2.2 - - - - - - - -
Min   85.5 - 41.5 - 43.9 56 0 1.3 6.3 - - 0.00 0.01 0.031 0 -