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Latest Observation

25 Stations

Daily Data | America/Los_Angeles
as of 9/8/26 4:06 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) 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) 9/7/26 85.9   9.5 1451 55.8   8.8 0116 41.8   1.1 39   18 68   24 14   10 7.4   1.0 24.1   3.1 1926 NW | 318 0.00 0.33 0.240   0.041 591   2 40   10
Rockpile Lower (Cooley) 9/7/26 89.4   11.1 1500 56.0   7.1 0432 43.5   0.2 41   14 73   14 15   7 3.5   1.8 18.4   4.9 1919 W | 278 0.00 0.33 - - 40   10
Cloverdale-East (Ranch 83) 9/7/26 92.6   7.2 1541 54.0   13.2 0548 45.9   1.8 - - - 3.1   0.8 13.4   0.3 0721 NNW | 334 0.00 0.12 0.195   0.010 555   1 90   10
Cloverdale-SE (Ranch 38) 9/7/26 90.8   6.3 1626 55.5   8.2 0554 46.9   0.3 46   10 74   14 21   3 6.2   2.0 21.2   6.8 0708 NW | 323 0.00 0.11 0.204   0.028 477   2 50   10
Geyserville-North (Hoffman) 9/7/26 94.7   7.1 1647 44.2   3.1 0601 48.1   2.3 56   3 93   1 22   1 1.9   0.0 13.9   2.3 1623 SW | 226 0.00 0.00 0.178   0.005 524   1 40   10
Geyserville (Ranch 3) 9/7/26 91.4   6.7 1624 45.6   2.8 0558 45.5   1.6 51   5 89   11 18   1 2.1   0.0 13.5   2.9 1702 WSW | 244 0.00 0.13 0.184   0.004 522   9 80   10
Geyserville-East (Ranch 40) 9/7/26 90.9   4.3 1629 52.6   4.3 0627 47.9   0.3 48   10 82   14 22   0 4.0   1.1 19.8   4.7 1656 SSW | 200 0.00 0.12 0.202   0.025 538   0 20   10
Geyserville-South (Nervo Station) 9/7/26 90.7   5.2 1608 49.1   3.0 0700 - - - - 2.3   0.2 12.8   0.0 1655 S | 175 0.00 0.21 - - 50   10
Peterson (Ranch 09) 9/7/26 90.0   5.0 1559 43.2   1.1 0621 45.2   0.3 56   4 92   2 18   1 1.7   0.1 12.5   1.9 1634 SSW | 205 0.00 0.20 0.179   0.010 540   1 40   10
Crazy Creek Ranch 9/7/26 90.8   5.4 1634 45.5   2.5 0627 48.9   2.2 60   4 98   2 23   2 1.7   0.3 16.4   3.9 1508 S | 187 0.00 0.23 0.189   0.006 571   2 60   10
Whitton Ranch (201e) 9/7/26 93.4   5.1 1616 40.6   3.4 0517 46.0   1.6 59   5 100   0 18   1 1.8   0.1 11.6   0.2 1638 SSE | 166 0.00 0.29 0.163   0.009 458   1 70   10
Lytton East (Shop Hill Bottom) 9/7/26 90.9   7.2 1544 44.3   0.0 0605 45.2   2.5 54   10 100   0 16   7 2.1   0.4 13.7   1.0 1626 SE | 146 0.00 0.27 0.193   0.009 571   2 60   10
Lytton East (Hill 5) 9/7/26 91.1   7.0 1551 47.4   1.8 0648 46.1   2.3 51   12 94   4 18   4 3.2   0.2 16.0   2.2 1629 S | 178 0.00 0.25 0.193   0.013 503   1 50   10
Lytton West Lower (Lew 6) 9/7/26 89.9   6.2 1534 43.5   2.3 0641 45.6   2.7 56   10 100   0 18   6 2.2   0.1 15.3   1.3 1625 S | 190 0.00 0.28 0.202   0.015 581   2 60   10
Lytton West Hill (23PS) 9/7/26 90.4   7.3 1604 48.3   2.3 0624 46.4   2.5 52   13 92   8 16   8 2.5   0.3 13.4   0.4 1621 S | 183 0.00 0.26 0.203   0.015 587   2 70   10
Big River 9/7/26 88.9   7.0 1529 48.2   1.3 0657 49.8   0.8 58   11 98   2 24   6 1.7   0.1 14.9   1.2 1618 SSW | 197 0.00 0.28 0.192   0.010 594   0 80   10
Jimtown-North (Piccolo Ranch 15) 9/7/26 91.2   6.3 1613 43.3   0.2 0614 44.7   0.4 56   5 100   0 16   3 1.6   0.0 13.8   1.1 1641 SSW | 194 0.00 0.20 0.163   0.011 474   12 60   10
HWY 128/Chalk Hill Rd (Landslide) 9/7/26 92.1   7.7 1526 43.9   2.2 0657 48.4   0.8 63   4 97   0 19   4 1.6   0.2 11.5   2.2 1708 S | 191 0.00 0.31 0.169   0.010 481   0 60   10
N Chalk Hill Rd (Ranch 63) 9/7/26 89.4   6.6 1538 41.8   0.3 0635 46.9   0.0 60   6 100   0 20   5 1.6   0.3 11.0   2.1 1438 S | 186 0.00 0.29 0.170   0.008 499   4 70   10
Newman Knights Valley 8/16/26 87.7   7.5 1555 53.8   0.1 0712 56.9   1.1 71   5 89   2 46   12 3.1   0.4 13.6   1.9 1647 SW | 220 0.00 0.00 - - 60   10
Knights Valley (Bavarian Lion) 9/7/26 90.6   7.4 1558 42.3   5.0 0539 45.9   0.9 61   6 97   0 17   6 2.2   0.0 16.1   2.1 1706 WNW | 293 0.00 0.26 0.187   0.013 549   2 60   20
Red Tail 9/7/26 90.7   6.9 1429 44.9   3.1 0621 49.3   0.7 60   8 95   1 25   7 2.8   0.3 15.1   0.6 1549 SSE | 166 0.00 0.28 0.191   0.017 557   2 80   10
Franz Valley (Stornetta) 9/7/26 89.0   6.5 1500 41.8   2.6 0659 46.5   0.8 - 100   0 19   5 1.3   0.2 10.9   1.6 1735 S | 188 0.00 0.43 - - 60   20
Upper Dry Creek Valley 9/7/26 92.0   7.0 1614 45.2   3.2 0654 46.7   2.8 56   0 96   1 16   1 1.8   0.6 12.4   1.5 1630 WNW | 303 0.00 0.14 0.195   0.002 572   5 100   0
Lower Dry Creek Valley 9/7/26 91.3   7.1 1610 43.9   1.6 0543 45.8   1.4 56   9 100   0 15   8 1.1   0.3 11.2   1.2 1454 WNW | 292 0.00 0.26 0.175   0.009 536   6 80   10
Max   94.7 - 56.0 - 49.8 63 100 25 7.4 24.1 - - 0.00 0.43 0.240 594 -
Avg   - - - - 46.4 54 - - 2.6 - - - - - - - -
Min   85.9 - 40.6 - 41.8 39 68 14 1.1 10.9 - - 0.00 0.00 0.163 458 -

Sonoma County-Central Daily Obs

37 Stations

Daily Data | America/Los_Angeles
as of 9/8/26 4:06 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) 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) 9/7/26 90.8   5.4 1443 48.5   0.6 0701 50.8   0.8 60 86   5 24   10 1.7 12.9   1.8 1629 0.00 0.50 0.185   0.023 558   23 20
Windsor-East (Ranch 16) 9/7/26 90.5   8.6 1447 44.2   2.4 0644 47.4   0.6 61 100   0 20   10 1.9 13.6   0.8 1551 0.00 0.23 0.192   0.015 560   1 90
Mark West-North (Ranch 14) 9/7/26 91.3   9.5 1457 45.7   0.2 0553 47.0   2.0 58 97   1 18   11 1.0 11.5   1.1 1542 0.00 0.24 - - 50
Windsor-SE (Silk Rd) 9/7/26 89.8   7.4 1518 43.5   2.2 0650 47.5   3.0 63 98   2 20   10 1.4 11.8   0.8 1634 0.00 0.32 0.183   0.021 556   24 80
Fulton-NW (Ranch 5) 9/7/26 87.9   7.5 1451 44.1   1.4 0701 47.6   12.8 61 95   5 23   20 1.5 12.4   2.2 1503 0.00 0.23 0.184   0.006 560   8 80
Bisordi (Fulton) 9/7/26 89.2   8.2 1453 42.6   0.9 0629 49.8   1.0 66 97   1 27   11 1.5 11.0   1.9 1725 0.00 0.22 0.190   0.019 597   24 80
Windsor-South (Laughlin Rd) 9/7/26 91.0   8.5 1454 47.2   2.2 0642 48.5   5.6 59 94   6 20   20 - - - 0.00 0.17 - - 70
Fulton-SE (Barnes Rd) 9/7/26 89.0   8.7 1453 46.2   0.2 0645 49.2   0.8 61 94   2 24   10 1.3 14.7   1.3 1549 0.00 0.29 - - 80
Fulton-SW (Ranch 21) 9/7/26 88.2   7.9 1417 44.7   2.3 0648 47.6   24.2 60 100   0 22   22 1.8 15.0   1.4 1455 0.00 0.20 0.199   0.017 603   22 80
NW Santa Rosa (Piner Road) 9/7/26 88.2   7.1 1419 43.4   2.6 0653 50.4   2.9 68 100   0 26   12 1.4 13.6   2.7 1556 0.00 0.00 - - 80
River Rd South (Denner Ranch) 9/7/26 88.5   7.6 1350 43.7   2.6 0700 9.3   14.7 32 100   0 0   0 2.4 15.3   0.4 1514 - - - - 90
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) 9/7/26 94.7   8.1 1535 43.6   2.4 0653 48.2   3.0 62 99   0 17   9 - - - 0.00 0.21 - - 40
SunnyView Vineyard (SCWC) 9/7/26 88.3   7.5 1512 42.0   2.3 0702 46.4   3.6 62 96   4 21   10 1.4 11.8   0.5 1620 0.00 0.27 0.170   0.021 511   14 90
Guerneville Rd West (Balletto) 9/7/26 88.6   7.4 1428 43.7   3.0 0642 50.0   2.5 67 98   2 25   12 1.6 12.1   1.0 1514 0.00 0.43 - - 80
Sanchietti Ranch 9/7/26 88.5   6.9 1545 44.0   3.4 0626 51.0   2.2 - 97   0 28   12 1.9 14.8   1.0 1519 0.00 0.28 - - 90
Occidental Rd (Sebastopol) 9/7/26 89.5   6.5 1409 44.2   2.4 0621 53.0   2.8 74 100   0 29   14 1.7 13.6   1.1 1425 0.00 0.20 - - 80
Harper's Rest (Windsor-West) 9/7/26 91.2   6.0 1508 46.0   0.8 0640 47.9   1.8 - 97   0 18   10 1.5 11.0   0.9 1637 0.00 0.45 - - 70
Lower Westside Rd (Ranch 12) 9/7/26 90.1   6.9 1442 45.1   1.5 0646 48.5   1.6 64 100   0 16   13 1.4 13.7   1.7 1621 0.00 0.45 - - 90
Guerneville (Laughlin Rd) 9/7/26 88.1   10.1 1312 46.8   0.5 0514 49.9   1.3 69 97   1 19   21 1.4 14.0   0.5 1500 0.00 0.81 - - 90
Korbel (Winery) 9/7/26 88.2   8.0 1357 49.9   0.0 0313 50.5   1.5 68 100   0 16   18 1.0 13.2   2.8 1433 0.00 0.52 - - 90
Forestville (Shone Farms) 9/7/26 90.0   7.2 1508 47.0   1.0 0637 49.7   1.8 62 96   3 21   12 1.4 13.3   2.7 1652 0.00 0.43 0.178   0.019 542   19 80
Forestville-NE (Ranch 30) 9/7/26 89.5   7.5 1520 45.8   0.9 0700 50.9   1.0 67 99   0 25   12 1.7 14.8   2.6 1615 0.00 0.40 0.188   0.022 569   32 30
Foggy Bend (Ranch 41) 9/7/26 89.4   8.1 1459 45.8   1.4 0632 52.2   0.6 69 97   0 31   10 1.7 15.0   3.8 1554 0.00 0.42 0.185   0.024 566   23 80
Last Stop 9/7/26 90.9   10.2 1526 44.8   1.0 0629 49.7   1.7 66 98   0 24   12 1.7 12.9   2.6 1457 0.00 0.39 0.180   0.026 562   54 30
Green Valley Vineyard 9/7/26 87.0   7.9 1451 47.2   0.6 0650 48.6   2.3 63 98   0 18   16 2.0 12.9   1.3 1650 0.00 0.57 0.062   0.036 86   82 50
Park Royal 9/7/26 89.1   8.3 1426 44.1   4.4 0642 47.0   3.1 59 96   3 20   10 - - - 0.00 0.21 - - 80
Merino 9/7/26 91.3   7.9 1435 40.9   3.6 0704 49.5   2.6 68 100   0 25   10 1.2 10.5   1.8 1646 0.00 0.33 0.186   0.019 584   51 90
Green Valley (Sanchietti) 9/7/26 90.2   7.8 1438 40.5   1.8 0700 - - - - - - - - - - - 80
Keefer Ranch (Green Valley) 9/7/26 87.4   7.4 1604 43.9   1.0 0701 50.2   1.6 70 98   0 27   13 - - - 0.00 0.48 - - 50
Graton-West (Dutton Ranch) 9/7/26 89.3   9.0 1400 44.6   0.2 0701 50.9   1.9 72 100   0 19   13 1.3 9.1   2.0 1703 0.00 0.61 - - 80
Graton-South (Mill Station Rd) 9/7/26 85.9   7.3 1348 41.6   1.8 0636 50.0   0.6 62 91   8 28   6 0.6 7.5   0.5 1509 0.00 0.40 - - 60
Occidental (Horseshoe Bend) 9/7/26 83.6   8.5 1545 53.0   3.8 0634 50.0   1.6 - 90   10 23   18 - - - 0.00 0.75 - - 20
Sexton Valley (Jacqueline's Blk) 9/7/26 86.1   6.9 1427 43.5   0.7 0542 51.3   0.6 71 100   0 29   13 1.2 11.3   1.1 1342 0.01 0.27 - - 90
Sebastopol Hills (Burnside Rd) 9/7/26 83.0   6.0 1313 51.5   2.2 0623 51.7   1.3 63 98   2 28   15 1.5 11.6   0.6 1536 0.00 0.00 - - 80
Pleasant Hill 9/7/26 87.3   6.6 1451 47.6   1.2 0703 50.1   0.9 - 98   1 21   14 1.9 12.5   1.9 1531 0.00 0.49 - - 90
Seaview/Fort Ross (Hirsch) 9/7/26 76.2   6.0 1638 58.1   6.2 0103 45.4   1.4 45 66   13 32   16 3.2 10.2   5.0 1349 0.00 0.07 0.183   0.022 574   4 20
Max   94.7 - 58.1 - 53.0 74 100 32 3.2 15.3 - 0.01 0.81 0.199 603 -
Avg   - - - - 48.2 63 - - 1.6 - - - - - - -
Min   76.2 - 40.5 - 9.3 32 66 0 0.6 7.5 - 0.00 0.00 0.062 86 -

Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 9/8/26 4:06 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 9/7/26 87.1   9.2 1546 50.5   3.5 0629 48.2   0.3 88   9 23   8 2.0   0.1 9.4   0.7 1431 SW | 236 0.00 0.02 0.140   0.011 410   2 90   20
Lower Bennett Valley 9/7/26 88.1   10.0 1523 41.9   2.0 0637 48.7   0.6 100   0 23   10 2.5   0.6 15.4   0.5 1424 SSW | 199 0.00 0.39 0.185   0.020 538   16 80   10
Kenwood (Wildwood) 9/7/26 89.3   9.8 1524 43.9   0.7 0612 47.8   0.6 100   0 20   10 2.6   0.3 14.8   0.3 1657 NNW | 340 0.00 0.21 0.187   0.018 537   2 30   10
Sonoma Valley (Bedrock) 9/7/26 88.4   8.2 1642 44.0   3.0 0643 46.4   0.6 96   0 17   2 - - - - 0.00 0.29 - - 90   10
Sonoma-West (Arnold) 9/7/26 91.3   11.0 1618 46.5   5.2 0640 47.1   0.3 95   2 16   12 2.2   0.9 12.1   6.8 1812 W | 274 0.00 0.35 0.216   0.011 636   4 50   10
Sonoma Valley HS 9/7/26 89.9   10.8 1644 47.9   3.5 0633 51.9   0.8 100   0 23   12 1.5   0.5 11.2   0.8 1436 SSW | 202 0.00 0.01 0.181   0.011 564   6 80   10
Sonoma East (Bundschu01) 9/7/26 89.6   9.5 1601 44.9   3.7 0654 47.6   0.2 95   1 17   11 2.4   0.5 13.6   5.0 1654 S | 171 0.00 0.23 0.199   0.016 580   1 90   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) 9/7/26 93.8   12.3 1551 44.8   3.2 0700 47.1   0.4 94   1 16   11 1.9   0.7 14.8   0.0 1317 S | 183 0.00 0.18 - - 90   10
Ricci Vineyards (Carneros) 9/7/26 90.9   10.9 1624 45.5   2.4 0628 47.2   0.9 96   1 14   9 3.1   0.3 15.7   1.7 1900 WNW | 289 0.00 0.12 0.208   0.019 587   2 100   0
Carneros (Ranch 71) 9/7/26 88.5   10.6 1638 54.2   3.0 0658 49.4   0.4 95   2 15   14 2.8   1.4 15.8   2.4 1737 W | 268 0.00 0.07 0.194   0.007 572   4 50   10
Carneros Upper (Ranch 81) 9/7/26 91.4   13.4 1542 54.2   2.4 0729 37.1   12.7 - - 4.0   1.9 20.4   2.6 1845 W | 269 - - - - 50   10
Carneros Lower (Ranch 81) 9/7/26 91.5   7.4 1454 49.3   5.7 0310 41.2   4.7 100   0 0   0 1.3   0.4 11.8   5.6 1706 SSE | 153 0.00 0.01 0.030   0.012 0   0 80   10
Rohnert Park-West (Stony Point) 9/7/26 87.0   10.6 1354 40.4   2.1 0701 48.7   1.7 98   1 26   17 1.6   0.4 15.9   0.2 1710 WSW | 252 0.00 0.19 - - 80   10
Cartograph Wines Base 9/7/26 86.7   12.0 1318 50.4   3.7 0523 52.1   0.5 98   0 29   20 2.8   0.5 21.0   1.5 1516 SW | 231 0.00 0.30 0.186   0.037 560   50 40   20
Cartograph Wines Remote 9/7/26 86.7   13.3 1249 45.1   0.0 0652 - - - - - - - - - - - 60   20
Rice-Spivak Vineyard 9/7/26 88.6   11.7 1322 38.7   0.1 0643 - - - - - - - - - - - 70   10
Penngrove (Asellus) 9/7/26 88.9   12.4 1506 43.8   0.0 0710 47.7   1.2 97   0 20   15 1.7   0.6 13.1   2.0 1538 W | 265 0.02 0.36 - - 50   10
Petaluma (Ranch 10) 9/7/26 91.1   13.3 1522 43.7   2.1 0642 47.1   0.6 98   1 17   16 1.3   0.9 11.5   1.1 1646 W | 271 0.00 0.09 0.175   0.012 534   5 90   10
Max   93.8 - 54.2 - 52.1 100 29 4.0 21.0 - - 0.02 0.39 0.216 636 -
Avg   - - - - 47.2 - - 2.2 - - - - - - - -
Min   86.7 - 38.7 - 37.1 88 0 1.3 9.4 - - 0.00 0.01 0.030 0 -