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Latest Observation

25 Stations

Daily Data | America/Los_Angeles
as of 8/13/26 6:35 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) 8/12/26 84.2   3.4 1541 51.8   5.0 0045 51.1   1.1 62   9 92   10 35   7 4.9   0.5 17.1   2.0 1625 S | 183 0.00 0.04 0.224   0.010 666   6 0   0
Rockpile Lower (Cooley) 8/12/26 88.9   1.9 1449 50.4   0.5 0533 52.6   0.7 69   3 100   0 32   2 2.0   0.4 10.6   3.0 1335 SE | 134 0.00 0.02 - - 0   0
Cloverdale-East (Ranch 83) 8/12/26 87.8   1.0 1535 53.0   0.1 0218 53.3   0.6 - - - 3.6   0.3 15.8   2.1 1829 S | 182 0.00 0.00 0.200   0.010 587   17 0   0
Cloverdale-SE (Ranch 38) 8/12/26 84.4   2.4 1505 51.5   0.0 0614 53.4   0.5 74   2 97   1 39   6 7.0   0.6 19.7   2.2 1818 SSE | 163 0.00 0.01 0.193   0.014 535   24 40   20
Geyserville-North (Hoffman) 8/12/26 84.4   1.1 1619 54.2   0.1 0727 54.8   0.2 72   2 93   0 43   7 3.2   0.3 12.5   0.8 1644 SSE | 147 0.00 0.00 0.170   0.013 511   28 40   20
Geyserville (Ranch 3) 8/12/26 84.6   1.1 1618 53.9   0.1 0723 53.8   0.6 72   2 100   0 36   7 3.3   0.3 11.9   1.1 1736 SE | 128 0.00 0.00 0.183   0.012 548   23 0   0
Geyserville-East (Ranch 40) 8/12/26 82.8   0.9 1558 51.4   0.2 0330 53.6   0.4 78   1 99   0 42   4 6.2   0.1 21.7   0.1 1721 SSW | 197 0.00 0.00 0.183   0.018 565   31 40   20
Geyserville-South (Nervo Station) 8/12/26 83.5   0.6 1557 52.8   0.1 0457 - - - - 3.3   0.2 12.8   1.3 1810 SE | 138 0.00 0.00 - - 40   20
Peterson (Ranch 09) 8/12/26 82.8   1.0 1604 52.9   0.7 0101 52.1   0.4 71   1 92   0 39   5 2.9   0.2 12.3   0.9 1710 SSE | 157 0.00 0.00 0.164   0.014 510   24 0   0
Crazy Creek Ranch 8/12/26 83.9   1.7 1605 53.9   1.5 0557 54.6   0.4 74   2 94   1 43   6 2.4   0.0 12.5   0.1 1627 S | 182 0.00 0.00 0.176   0.015 563   36 40   20
Whitton Ranch (201e) 8/12/26 85.8   0.2 1618 52.6   0.8 0101 53.6   0.4 72   1 97   0 37   5 2.7   0.1 11.9   0.6 1741 SSE | 148 0.00 0.00 0.173   0.012 516   20 40   20
Lytton East (Shop Hill Bottom) 8/12/26 83.4   1.0 1524 52.7   0.2 0552 52.4   0.5 72   1 94   0 37   6 3.6   0.5 14.2   0.2 1713 SSE | 164 0.00 0.00 0.187   0.006 573   7 40   20
Lytton East (Hill 5) 8/12/26 82.2   1.2 1558 52.4   0.4 0630 52.6   0.4 74   1 96   0 39   8 4.8   0.3 16.1   1.7 1647 SE | 140 0.00 0.00 0.177   0.009 516   9 40   20
Lytton West Lower (Lew 6) 8/12/26 83.4   0.4 1607 52.7   0.1 0626 52.8   0.5 72   1 94   0 38   8 3.4   0.3 14.6   1.3 1725 S | 189 0.00 0.00 0.179   0.008 546   8 40   20
Lytton West Hill (23PS) 8/12/26 82.5   0.9 1555 53.1   0.7 0519 53.3   0.5 75   1 97   0 40   7 3.9   0.2 15.8   0.7 1923 ESE | 121 0.00 0.00 0.189   0.007 594   3 40   20
Big River 8/12/26 81.7   0.1 1532 52.7   0.8 0626 54.2   0.2 77   1 98   0 44   3 3.2   0.1 16.2   3.2 1612 SSE | 156 0.00 0.00 0.180   0.013 579   30 70   20
Jimtown-North (Piccolo Ranch 15) 8/12/26 84.0   1.4 1602 53.1   0.1 0606 52.6   0.1 71   1 100   0 33   2 1.7   0.1 11.0   4.6 1740 SSW | 198 0.00 0.00 0.158   0.013 508   24 40   20
HWY 128/Chalk Hill Rd (Landslide) 8/12/26 82.8   2.3 1524 53.6   0.4 0641 53.5   0.1 73   2 94   1 40   5 2.7   0.0 12.5   0.8 1631 SSW | 212 0.00 0.00 0.156   0.016 476   37 40   20
N Chalk Hill Rd (Ranch 63) 8/12/26 81.3   1.7 1549 52.5   0.5 0345 52.4   0.1 72   2 93   1 40   3 2.8   0.2 11.4   2.8 1526 S | 175 0.00 0.00 0.163   0.018 498   49 40   20
Newman Knights Valley 8/11/26 84.6   2.7 1441 52.8   1.9 0623 55.1   0.9 74   2 89   1 53   1 3.6   0.0 15.6   0.5 1421 SSW | 210 0.00 0.00 - - 20   20
Knights Valley (Bavarian Lion) 8/12/26 82.4   3.1 1629 49.2   0.3 0202 52.0   0.3 72   1 96   1 38   5 2.5   0.1 12.9   0.1 1451 W | 275 0.00 0.00 0.178   0.011 558   15 20   20
Red Tail 8/12/26 80.8   1.8 1544 53.1   0.8 0444 54.0   0.4 75   1 93   1 46   3 3.4   0.2 14.1   0.8 1427 SSW | 211 0.00 0.01 0.175   0.015 565   30 70   20
Franz Valley (Stornetta) 8/12/26 81.4   2.8 1503 50.6   0.5 0219 52.1   0.8 - 94   1 40   4 1.8   0.2 9.8   1.7 1648 WNW | 282 0.00 0.00 - - 20   20
Upper Dry Creek Valley 8/12/26 86.2   0.3 1615 52.8   0.0 0101 53.7   0.9 71   3 94   1 36   7 3.7   0.1 13.8   1.9 1729 E | 94 0.00 0.00 0.197   0.009 584   8 0   0
Lower Dry Creek Valley 8/12/26 82.6   0.3 1538 53.4   0.5 0617 54.1   0.2 76   1 100   0 41   6 3.2   0.2 15.9   0.3 1807 SE | 139 0.00 0.01 0.181   0.006 550   3 40   20
Max   88.9 - 54.2 - 54.8 78 100 46 7.0 21.7 - - 0.00 0.04 0.224 666 -
Avg   - - - - 53.2 72 - - 3.4 - - - - - - - -
Min   80.8 - 49.2 - 51.1 62 92 32 1.7 9.8 - - 0.00 0.00 0.156 476 -

Sonoma County-Central Daily Obs

37 Stations

Daily Data | America/Los_Angeles
as of 8/13/26 6:35 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) 8/12/26 83.8   0.1 1524 53.0   0.6 0606 53.2   0.4 74 85   1 43   1 0.0 0.0   0.0 0101 0.00 0.02 0.157   0.010 546   30 40
Windsor-East (Ranch 16) 8/12/26 78.1   2.5 1443 53.9   0.0 0112 53.4   0.5 77 94   0 42   2 4.2 14.2   0.9 1750 0.00 0.00 0.167   0.020 525   52 90
Mark West-North (Ranch 14) 7/27/26 86.2   2.9 1404 47.0   1.0 0543 51.1   1.0 62 96   0 32   5 1.8 12.7   0.3 1723 0.00 0.01 0.038   0.002 0   0 60
Windsor-SE (Silk Rd) 8/12/26 79.8   0.6 1519 53.7   0.3 0703 53.9   0.6 78 96   1 40   1 2.4 13.0   1.4 1509 0.00 0.02 0.163   0.016 542   47 90
Fulton-NW (Ranch 5) 8/12/26 76.8   1.8 1412 53.8   0.1 0642 54.1   0.6 80 96   1 48   3 3.7 18.2   3.2 1405 0.00 0.00 0.159   0.025 535   68 90
Bisordi (Fulton) 8/12/26 77.5   2.1 1523 54.2   0.1 0646 55.0   0.6 81 94   1 53   6 2.6 13.0   0.9 1528 0.00 0.00 0.160   0.022 552   62 90
Windsor-South (Laughlin Rd) 8/12/26 79.2   1.2 1524 53.6   0.4 0533 53.5   0.7 77 93   1 42   0 - - - 0.00 0.00 - - 90
Fulton-SE (Barnes Rd) 8/12/26 77.6   0.7 1531 54.4   0.1 0648 54.0   0.6 78 94   1 48   3 1.6 15.3   0.5 1514 0.00 0.00 - - 90
Fulton-SW (Ranch 21) 8/12/26 76.2   2.9 1413 53.8   0.1 0536 53.7   0.8 79 94   1 48   4 3.3 14.4   2.3 1532 0.00 0.00 0.165   0.020 556   54 80
NW Santa Rosa (Piner Road) 8/12/26 76.0   1.9 1516 53.9   0.0 0648 56.9   0.6 89 100   0 55   4 2.5 15.1   0.0 1542 0.00 0.00 - - 70
River Rd South (Denner Ranch) 8/12/26 76.4   0.9 1516 53.2   0.1 0641 -14.7   3.2 27 100   0 0   0 5.4 19.3   0.2 1527 - - - - 80
West Santa Rosa (LOV Vineyard) 8/12/26 76.4   1.3 1414 53.8   0.2 0645 53.9   0.6 80 95   2 47   2 3.2 15.4   0.1 1525 0.00 0.00 0.031   0.001 0   0 80
Guerneville Rd (Prokopakis) 8/12/26 81.5   0.7 1509 54.2   0.5 0638 54.6   0.7 77 95   1 40   2 - - - 0.00 0.02 - - 100
SunnyView Vineyard (SCWC) 8/12/26 76.4   1.5 1519 53.4   0.3 0652 53.3   0.7 79 95   3 47   2 2.6 13.1   0.2 1518 0.00 0.00 0.138   0.019 466   57 90
Guerneville Rd West (Balletto) 8/12/26 74.8   1.8 1412 54.2   0.1 0659 55.4   0.5 84 97   2 56   3 3.4 15.6   0.8 1558 0.00 0.11 - - 70
Sanchietti Ranch 8/12/26 76.8   1.3 1510 55.3   0.2 0705 56.1   0.5 - 95   4 56   1 3.4 15.6   1.0 1533 0.00 0.00 - - 90
Occidental Rd (Sebastopol) 8/12/26 76.6   0.2 1409 54.2   0.6 0648 58.7   0.5 94 100   0 65   1 3.5 17.1   0.4 1521 0.00 0.00 - - 70
Harper's Rest (Windsor-West) 8/12/26 83.1   1.3 1514 52.2   0.6 0626 52.4   0.4 - 94   0 36   2 1.9 11.0   0.8 1520 0.00 0.02 - - 50
Lower Westside Rd (Ranch 12) 8/12/26 81.2   0.5 1504 52.6   1.0 0643 53.2   0.3 75 94   1 37   1 2.4 17.2   3.0 1547 0.00 0.02 - - 100
Guerneville (Laughlin Rd) 8/12/26 77.1   0.5 1410 53.3   1.2 2254 52.7   0.2 77 92   1 46   2 2.8 14.2   0.1 1436 0.00 0.01 - - 90
Korbel (Winery) 8/12/26 76.6   2.1 1418 53.8   0.3 0337 53.4   0.2 77 93   0 44   1 0.8 10.8   0.6 1359 0.00 0.00 - - 80
Forestville (Shone Farms) 8/12/26 81.3   0.2 1448 50.9   1.1 0645 53.9   0.3 77 96   0 41   0 2.3 14.8   0.3 1505 0.00 0.03 0.163   0.013 536   35 100
Forestville-NE (Ranch 30) 8/12/26 81.4   1.0 1439 52.4   0.7 0644 54.5   0.3 79 96   1 45   1 3.2 15.9   1.8 1528 0.00 0.01 0.171   0.013 557   33 40
Foggy Bend (Ranch 41) 8/12/26 80.9   0.1 1502 53.6   0.7 0656 55.0   0.2 78 93   0 48   1 2.7 15.9   0.2 1557 0.00 0.01 0.165   0.014 552   42 100
Last Stop 8/12/26 81.2   2.6 1402 50.1   0.9 0101 53.9   0.5 76 96   1 44   2 2.7 14.9   1.6 1454 0.00 0.00 0.163   0.018 526   46 70
Green Valley Vineyard 8/12/26 77.0   3.5 1447 52.3   2.6 0101 53.6   0.7 79 97   1 45   2 2.6 14.9   0.2 1418 0.00 0.02 0.040   0.009 49   38 90
Park Royal 8/12/26 76.9   1.6 1416 54.2   0.1 0651 53.5   0.8 78 96   4 46   2 - - - 0.00 0.00 - - 80
Merino 8/12/26 79.4   0.3 1523 54.6   0.1 0640 55.6   0.6 81 98   4 47   0 2.3 13.4   0.6 1501 0.00 0.00 0.152   0.029 508   91 90
Green Valley (Sanchietti) 8/12/26 79.9   1.2 1438 50.3   0.6 0015 - - - - - - - - - - - 90
Keefer Ranch (Green Valley) 8/12/26 76.4   1.8 1443 54.1   2.7 0646 54.4   0.5 80 94   0 50   2 - - - 0.00 0.01 - - 90
Graton-West (Dutton Ranch) 8/12/26 76.6   3.0 1441 54.2   0.0 0631 58.0   1.0 91 100   0 49   3 2.9 14.3   2.2 1429 0.00 0.04 - - 90
Graton-South (Mill Station Rd) 8/12/26 72.1   0.3 1400 53.5   0.2 0650 54.5   0.7 86 97   1 56   1 1.7 11.8   1.6 1514 0.00 0.01 - - 0
Occidental (Horseshoe Bend) 8/12/26 71.0   2.0 1409 52.4   0.8 0348 54.4   0.8 - 100   0 59   5 - - - 0.00 0.04 - - 0
Sexton Valley (Jacqueline's Blk) 8/12/26 72.6   1.3 1420 54.5   0.5 0355 55.7   0.7 88 98   2 60   3 2.0 15.5   2.2 1442 0.00 0.04 - - 0
Sebastopol Hills (Burnside Rd) 8/12/26 70.8   0.9 1438 53.0   0.7 0335 55.1   0.7 92 100   0 64   0 4.0 15.3   0.5 1456 0.00 0.00 - - 10
Pleasant Hill 8/12/26 75.1   1.3 1347 53.8   0.6 0359 54.3   0.9 - 96   1 51   4 2.7 14.5   0.2 1612 0.00 0.01 - - 90
Seaview/Fort Ross (Hirsch) 8/12/26 66.5   0.8 1607 48.3   0.8 0310 52.0   0.1 85 97   0 63   4 2.4 10.7   1.2 1304 0.00 0.05 0.151   0.000 631   4 80
Max   83.8 - 55.3 - 58.7 94 100 65 5.4 19.3 - 0.00 0.11 0.171 631 -
Avg   - - - - 52.4 79 - - 2.7 - - - - - - -
Min   66.5 - 48.3 - -14.7 27 85 0 0.0 0.0 - 0.00 0.00 0.031 0 -

Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 8/13/26 6:35 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 8/12/26 77.3   2.4 1517 49.0   0.9 0234 52.6   0.8 98   0 46   4 1.7   0.0 10.5   1.7 1620 SSE | 164 0.00 0.01 0.127   0.016 418   44 100   0
Lower Bennett Valley 8/12/26 78.4   2.3 1447 52.2   0.2 0407 54.2   0.5 100   0 46   6 3.6   0.5 14.2   2.7 1525 WSW | 243 0.00 0.00 0.166   0.015 554   26 90   10
Kenwood (Wildwood) 8/12/26 82.8   3.1 1453 52.8   0.7 0247 53.5   0.5 97   3 39   5 3.6   0.5 14.8   2.0 1540 NNW | 330 0.00 0.00 0.181   0.014 580   32 40   20
Sonoma Valley (Bedrock) 8/12/26 83.8   0.9 1441 52.0   1.8 0249 51.7   0.4 94   1 31   2 - - - - 0.00 0.00 - - 70   20
Sonoma-West (Arnold) 8/12/26 86.4   0.2 1431 50.4   2.7 0115 52.5   1.1 92   5 30   2 3.0   0.3 14.5   0.6 1432 SSW | 211 0.00 0.00 0.227   0.001 689   2 10   10
Sonoma Valley HS 8/12/26 84.4   2.4 1514 51.8   3.0 0256 55.2   0.7 97   3 41   2 2.6   0.5 11.4   0.4 1911 SW | 230 0.00 0.00 0.194   0.006 622   3 70   20
Sonoma East (Bundschu01) 8/12/26 83.0   2.6 1558 48.7   2.6 0313 52.4   1.3 94   0 34   6 3.2   0.3 16.7   0.7 1524 ESE | 120 0.00 0.00 0.204   0.007 629   8 100   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) 8/12/26 83.8   3.8 1609 49.4   3.1 0317 52.4   1.2 94   1 34   5 2.5   0.1 17.5   3.0 1930 WSW | 247 0.00 0.00 - - 100   0
Ricci Vineyards (Carneros) 8/12/26 83.1   5.0 1403 53.0   3.3 0307 53.2   0.8 94   1 38   5 4.8   0.6 19.0   4.1 1640 S | 182 0.00 0.01 0.186   0.002 557   34 100   0
Carneros (Ranch 71) 8/12/26 80.0   3.7 1356 51.9   0.9 0310 53.0   0.3 95   0 39   7 4.2   1.1 16.4   2.5 1836 WSW | 255 0.00 0.00 0.185   0.007 588   14 100   0
Carneros Upper (Ranch 81) 8/12/26 79.8   1.6 1352 52.1   0.4 0314 33.5   19.2 - - 6.4   0.7 20.2   1.5 1730 SSW | 207 - - - - 100   0
Carneros Lower (Ranch 81) 8/12/26 79.6   1.5 1345 51.9   3.2 0333 53.8   1.0 93   7 43   43 1.8   0.1 15.0   1.4 1532 SSE | 164 0.00 0.00 0.170   0.003 552   22 100   0
Rohnert Park-West (Stony Point) 8/12/26 74.1   0.8 1411 54.2   0.1 0405 55.4   0.8 97   2 58   4 2.9   0.1 16.5   0.0 1556 W | 276 0.00 0.00 - - 10   10
Cartograph Wines Base 8/12/26 73.1   0.1 1434 53.6   0.5 0342 55.4   0.9 98   1 62   1 4.4   0.6 21.7   0.7 1859 SSW | 194 0.00 0.02 0.135   0.020 495   81 10   10
Cartograph Wines Remote 8/12/26 73.7   3.0 1403 54.4   0.2 0348 - - - - - - - - - - - 60   10
Rice-Spivak Vineyard 8/12/26 75.8   0.5 1400 53.9   0.3 0349 - - - - - - - - - - - 30   10
Penngrove (Asellus) 8/12/26 78.0   2.5 1434 54.0   0.3 0515 53.6   0.7 94   2 46   6 3.9   0.5 13.9   1.0 1451 W | 273 0.00 0.00 - - 80   10
Petaluma (Ranch 10) 8/12/26 80.3   0.9 1430 54.6   0.1 0316 54.0   0.7 92   1 42   1 3.2   0.3 12.7   0.2 1411 N | 3 0.00 0.00 0.172   0.011 557   31 90   20
Max   86.4 - 54.6 - 55.4 100 62 6.4 21.7 - - 0.00 0.02 0.227 689 -
Avg   - - - - 52.3 - - 3.5 - - - - - - - -
Min   73.1 - 48.7 - 33.5 92 30 1.7 10.5 - - 0.00 0.00 0.127 418 -