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Latest Observation

25 Stations

Daily Data | America/Los_Angeles
as of 8/5/26 11:18 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) 8/4/26 96.4   5.4 1539 57.2   6.8 0058 50.8   4.9 44   15 79   28 23   10 4.2   2.5 18.4   4.4 1517 SSE | 154 0.00 0.04 0.264   0.057 680   18 0   0
Rockpile Lower (Cooley) 8/4/26 96.6   8.7 1555 57.7   7.0 2359 52.9   5.5 52   19 86   34 24   11 2.1   0.6 13.4   5.6 1739 SE | 135 0.00 0.02 - - 0   0
Cloverdale-East (Ranch 83) 8/4/26 98.0   7.0 1511 53.7   5.6 0625 54.2   1.4 - - - 3.1   0.5 17.5   2.2 1622 S | 183 0.00 0.00 0.243   0.019 653   15 0   0
Cloverdale-SE (Ranch 38) 8/4/26 95.0   6.9 1526 55.4   7.9 0702 54.8   1.1 62   19 92   27 26   6 6.7   1.3 25.1   5.3 1743 SE | 133 0.00 0.01 0.252   0.034 603   11 0   0
Geyserville-North (Hoffman) 8/4/26 93.2   7.9 1505 52.7   1.5 0643 56.1   0.0 63   10 90   2 31   8 2.9   0.5 13.7   1.2 1722 SSE | 152 0.00 0.00 0.212   0.020 583   7 0   0
Geyserville (Ranch 3) 8/4/26 94.1   7.3 1500 54.9   1.2 0630 54.2   0.6 60   10 88   6 26   7 3.0   0.6 13.5   0.8 1700 SE | 124 0.00 0.00 0.231   0.021 639   16 0   0
Geyserville-East (Ranch 40) 8/4/26 90.6   8.7 1541 54.3   8.3 0616 55.1   0.9 67   20 96   25 34   10 6.3   1.0 21.0   0.6 1622 SSW | 197 0.00 0.00 0.240   0.038 639   10 0   0
Geyserville-South (Nervo Station) 8/4/26 90.5   8.8 1550 54.9   3.5 0634 - - - - 3.3   0.7 13.8   0.7 1728 SSW | 195 0.00 0.00 - - 0   0
Peterson (Ranch 09) 8/4/26 91.0   7.5 1447 53.8   0.1 0609 53.2   1.0 62   12 87   4 28   9 2.9   0.2 12.7   0.3 1727 SSE | 168 0.00 0.00 0.214   0.020 630   5 0   0
Crazy Creek Ranch 8/4/26 93.5   7.3 1514 51.4   2.7 0638 55.4   0.0 66   10 93   8 32   8 2.1   0.4 11.8   0.2 1640 S | 185 0.00 0.00 0.219   0.015 649   3 0   0
Whitton Ranch (201e) 8/4/26 94.0   6.9 1510 48.6   0.7 0635 54.4   1.1 64   9 98   3 29   8 2.6   0.4 13.0   1.0 1744 S | 189 0.00 0.00 0.215   0.016 604   3 0   0
Lytton East (Shop Hill Bottom) 8/4/26 90.5   7.8 1450 53.6   1.1 0619 53.5   1.3 64   13 92   5 30   8 3.4   0.5 16.2   1.0 1702 SE | 142 0.00 0.00 0.228   0.024 658   4 0   0
Lytton East (Hill 5) 8/4/26 90.4   8.0 1443 54.7   2.2 0618 53.8   1.2 65   15 92   9 31   8 4.7   0.6 20.7   1.4 1709 SSE | 164 0.00 0.00 0.220   0.030 594   2 0   0
Lytton West Lower (Lew 6) 8/4/26 90.6   7.7 1517 51.6   0.2 0628 53.9   1.0 65   12 95   4 30   7 3.2   0.7 16.4   0.9 1637 SSE | 158 0.00 0.00 0.214   0.019 599   1 0   0
Lytton West Hill (23PS) 8/4/26 89.3   7.5 1428 54.5   2.3 0632 54.4   1.1 66   14 92   10 32   8 3.9   0.5 17.4   0.3 1727 SSE | 162 0.00 0.00 0.228   0.026 648   1 0   0
Big River 8/4/26 89.3   8.2 1514 53.8   2.7 0629 55.2   0.1 68   13 94   9 34   7 2.9   0.6 15.3   0.4 1702 SE | 129 0.00 0.00 0.226   0.022 681   3 0   0
Jimtown-North (Piccolo Ranch 15) 8/4/26 92.6   7.7 1539 51.9   1.4 0549 52.0   0.7 60   10 100   18 25   8 1.6   0.3 10.8   4.4 1754 E | 81 0.00 0.00 0.199   0.011 597   6 0   0
HWY 128/Chalk Hill Rd (Landslide) 8/4/26 91.9   7.1 1444 52.6   1.8 0622 54.3   0.5 64   9 92   2 30   7 2.4   0.5 12.9   0.3 1722 SSW | 212 0.00 0.00 0.198   0.016 561   6 0   0
N Chalk Hill Rd (Ranch 63) 8/4/26 89.5   7.6 1434 51.1   0.9 0603 53.2   0.5 63   8 90   1 30   7 2.7   0.8 15.9   3.7 1705 SSE | 164 0.00 0.00 0.207   0.015 592   4 0   0
Newman Knights Valley 8/4/26 91.9   5.7 1521 54.0   2.4 0604 57.3   3.6 68   6 85   0 49   4 3.9   1.0 17.3   1.6 1753 SW | 229 0.00 0.00 - - 0   0
Knights Valley (Bavarian Lion) 8/4/26 92.6   6.1 1520 49.7   4.5 0618 52.4   1.6 63   8 95   1 26   6 2.3   0.0 13.2   1.3 1740 W | 276 0.00 0.00 0.224   0.015 641   4 0   0
Red Tail 8/4/26 90.3   6.6 1434 51.1   2.2 0616 54.9   0.6 68   11 90   4 37   7 3.5   0.8 16.2   0.4 1559 S | 187 0.00 0.01 0.219   0.022 638   8 0   0
Franz Valley (Stornetta) 8/4/26 92.9   5.2 1448 51.2   1.5 0630 53.0   0.8 - 90   2 27   4 1.8   0.3 10.9   0.3 1315 N | 354 0.00 0.00 - - 0   0
Upper Dry Creek Valley 8/4/26 95.3   7.0 1532 52.9   1.3 0621 54.2   0.8 60   11 91   6 27   6 3.4   0.7 17.8   3.3 1741 SE | 146 0.00 0.00 0.239   0.018 655   10 0   10
Lower Dry Creek Valley 8/4/26 88.9   7.1 1441 52.8   0.1 0639 54.4   0.5 64   10 90   2 33   7 2.9   0.4 19.5   3.4 1730 N | 355 0.00 0.01 0.219   0.021 625   7 0   0
Max   98.0 - 57.7 - 57.3 68 100 49 6.7 25.1 - - 0.00 0.04 0.264 681 -
Avg   - - - - 54.1 63 - - 3.3 - - - - - - - -
Min   88.9 - 48.6 - 50.8 44 79 23 1.6 10.8 - - 0.00 0.00 0.198 561 -

Sonoma County-Central Daily Obs

37 Stations

Daily Data | America/Los_Angeles
as of 8/5/26 11:18 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) 8/4/26 89.6   7.5 1414 53.7   2.4 0618 55.1   0.9 69 84   1 39   11 0.0 7.9   7.3 1939 0.00 0.02 0.191   0.010 643   10 0
Windsor-East (Ranch 16) 8/4/26 85.9   8.5 1442 51.4   1.0 0604 54.0   1.1 69 94   4 37   11 4.4 15.7   1.5 1639 0.00 0.00 0.214   0.035 638   8 40
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) 8/4/26 85.0   7.9 1429 51.4   0.3 0617 54.6   1.4 71 93   0 40   15 2.3 11.9   0.3 1711 0.00 0.02 0.201   0.024 637   14 20
Fulton-NW (Ranch 5) 8/4/26 83.0   8.6 1416 54.3   1.7 0452 54.9   1.6 73 94   7 43   12 4.1 14.2   0.6 1506 0.00 0.00 0.205   0.033 649   7 50
Bisordi (Fulton) 8/4/26 83.4   9.1 1421 52.8   1.6 0459 56.0   0.7 75 94   2 47   13 2.4 13.5   0.1 1611 0.00 0.00 0.208   0.024 688   9 50
Windsor-South (Laughlin Rd) 8/4/26 84.8   9.3 1348 53.8   0.2 0602 54.5   1.2 71 93   4 41   15 - - - 0.00 0.00 - - 30
Fulton-SE (Barnes Rd) 8/4/26 82.7   9.8 1414 55.2   0.4 0438 54.9   1.1 71 89   5 43   11 2.9 13.4   1.0 1713 0.00 0.00 - - 50
Fulton-SW (Ranch 21) 8/4/26 82.1   9.5 1420 53.7   1.5 0619 54.6   1.7 73 94   7 43   14 3.7 15.7   2.1 1708 0.00 0.00 0.211   0.032 681   6 50
NW Santa Rosa (Piner Road) 8/4/26 80.8   10.4 1438 53.5   2.4 0507 57.9   1.4 83 100   0 50   16 2.9 14.2   1.4 1627 0.00 0.00 - - 50
River Rd South (Denner Ranch) 8/4/26 80.8   8.9 1340 50.6   0.1 0625 5.4   23.5 36 100   0 0   0 5.7 18.0   0.7 1432 - - - - 10
West Santa Rosa (LOV Vineyard) 8/4/26 80.5   11.0 1416 53.8   2.1 0546 54.8   1.7 75 95   3 45   16 3.5 15.9   1.7 1656 0.00 0.00 0.038   0.010 0   0 30
Guerneville Rd (Prokopakis) 8/4/26 85.7   8.5 1412 51.1   0.1 0624 55.4   1.6 72 96   4 38   12 - - - 0.00 0.02 - - 30
SunnyView Vineyard (SCWC) 8/4/26 80.8   10.4 1422 52.1   2.9 0526 54.0   2.0 73 95   3 43   14 2.8 18.6   6.3 1645 0.00 0.00 0.182   0.021 594   6 30
Guerneville Rd West (Balletto) 8/4/26 79.6   10.7 1338 53.8   1.9 0513 56.4   1.3 79 96   4 53   19 3.8 16.4   1.2 1528 0.00 0.11 - - 50
Sanchietti Ranch 8/4/26 81.2   10.1 1343 52.0   1.6 0516 56.9   1.2 - 94   2 51   15 3.8 16.6   2.0 1540 0.00 0.00 - - 50
Occidental Rd (Sebastopol) 8/4/26 79.4   10.8 1426 52.3   3.0 0502 58.4   3.2 86 100   0 50   20 4.0 19.7   5.0 1649 0.00 0.00 - - 20
Harper's Rest (Windsor-West) 8/4/26 87.8   8.2 1519 50.5   1.2 0524 53.5   0.7 - 95   3 35   12 1.8 11.2   0.1 1438 0.00 0.02 - - 0
Lower Westside Rd (Ranch 12) 8/4/26 87.9   7.5 1456 51.3   0.4 0550 54.0   0.7 69 94   1 36   13 2.1 14.1   0.0 1759 0.00 0.02 - - 0
Guerneville (Laughlin Rd) 8/4/26 81.1   8.9 1420 51.2   1.3 0616 53.4   0.3 71 90   2 43   12 2.9 15.3   0.3 1633 0.00 0.01 - - 50
Korbel (Winery) 8/4/26 81.8   10.2 1416 53.3   1.4 0617 54.6   0.7 71 92   0 43   15 1.0 16.7   1.2 1633 0.00 0.00 - - 40
Forestville (Shone Farms) 8/4/26 87.0   9.7 1431 52.5   1.9 0614 55.2   0.6 70 94   6 40   15 2.1 11.8   0.4 1557 0.00 0.03 0.203   0.022 636   13 0
Forestville-NE (Ranch 30) 8/4/26 85.6   11.1 1428 50.8   0.1 0609 55.7   0.4 73 96   2 44   15 2.7 14.6   0.9 1550 0.00 0.01 0.210   0.030 650   16 0
Foggy Bend (Ranch 41) 8/4/26 85.6   9.7 1431 51.7   0.8 0642 56.5   0.6 73 95   2 47   11 2.5 15.3   0.7 1731 0.00 0.01 0.208   0.023 649   12 0
Last Stop 8/4/26 86.7   12.0 1514 49.8   0.1 0605 54.6   0.7 72 97   1 40   13 2.4 13.8   1.1 1615 0.00 0.00 0.205   0.025 638   16 0
Green Valley Vineyard 8/4/26 81.0   13.7 1414 50.7   1.9 0631 54.1   0.0 74 96   1 43   17 2.7 17.8   5.3 1717 0.00 0.02 0.043   0.006 29   2 20
Park Royal 8/4/26 81.1   10.0 1433 52.6   0.7 0629 54.1   2.2 71 93   7 41   13 - - - 0.00 0.00 - - 50
Merino 8/4/26 83.7   10.0 1421 49.5   2.2 0548 56.0   1.5 76 100   0 44   12 2.4 13.6   0.5 1700 0.00 0.00 0.205   0.027 666   12 50
Green Valley (Sanchietti) 8/4/26 83.7   13.5 1425 47.2   0.0 0622 - - - - - - - - - - - 20
Keefer Ranch (Green Valley) 8/4/26 81.3   11.3 1420 49.0   0.5 0627 54.6   0.6 76 97   0 46   13 - - - 0.00 0.01 - - 20
Graton-West (Dutton Ranch) 8/4/26 80.3   12.9 1405 49.7   0.3 0623 58.7   2.4 85 100   0 47   19 2.8 14.2   2.8 1704 0.00 0.04 - - 20
Graton-South (Mill Station Rd) 8/4/26 74.3   9.9 1404 54.2   6.4 0509 55.4   2.2 81 96   0 55   17 2.2 12.1   2.7 1612 0.00 0.01 - - 40
Occidental (Horseshoe Bend) 8/4/26 73.3   14.0 1432 52.0   2.5 0537 54.6   0.7 - 98   7 55   21 - - - 0.00 0.04 - - 30
Sexton Valley (Jacqueline's Blk) 8/4/26 74.2   10.1 1302 55.5   6.6 0423 56.8   1.5 83 96   3 60   15 2.3 17.3   4.3 1649 0.00 0.04 - - 40
Sebastopol Hills (Burnside Rd) 8/4/26 72.0   10.2 1400 54.0   0.6 0147 56.1   0.5 88 100   3 63   16 4.9 17.4   3.0 1548 0.00 0.00 - - 90
Pleasant Hill 8/4/26 76.6   10.8 1432 53.4   2.1 0501 55.0   1.1 - 96   0 49   15 3.8 16.4   1.5 1628 0.00 0.01 - - 20
Seaview/Fort Ross (Hirsch) 8/4/26 74.5   10.6 1804 52.3   16.7 0037 50.2   1.7 58 90   44 34   6 3.0 10.2   0.2 1742 0.00 0.05 0.183   0.042 672   12 100
Max   89.6 - 55.5 - 58.7 88 100 63 5.7 19.7 - 0.00 0.11 0.214 688 -
Avg   - - - - 53.7 73 - - 2.9 - - - - - - -
Min   72.0 - 47.2 - 5.4 36 84 0 0.0 7.9 - 0.00 0.00 0.038 0 -

Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 8/5/26 11:18 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 8/4/26 85.7   8.9 1436 53.3   6.7 0525 52.9   1.2 95   25 34   8 1.7   0.2 9.3   1.1 1547 S | 176 0.00 0.01 0.167   0.015 500   3 30   10
Lower Bennett Valley 8/4/26 88.2   6.8 1445 47.7   2.1 0618 53.4   0.8 95   2 35   7 2.7   0.4 12.2   0.7 1449 WSW | 255 0.00 0.00 0.212   0.021 644   4 20   10
Kenwood (Wildwood) 8/4/26 92.9   6.2 1516 54.0   0.8 0616 54.1   0.4 93   4 29   6 3.9   1.5 12.8   2.2 1651 NNW | 344 0.00 0.00 0.224   0.009 648   2 10   10
Sonoma Valley (Bedrock) 8/4/26 92.0   2.2 1646 51.2   0.7 0631 52.7   0.4 90   2 28   2 - - - - 0.00 0.00 - - 0   0
Sonoma-West (Arnold) 8/4/26 94.6   0.9 1543 49.3   2.2 0612 53.1   0.2 91   2 25   1 3.2   0.8 14.0   1.3 1542 SSW | 213 0.00 0.00 0.260   0.007 741   7 20   10
Sonoma Valley HS 8/4/26 90.6   0.9 1623 53.3   1.9 0626 57.0   0.7 98   1 38   4 2.4   0.2 8.6   1.8 2125 SSW | 206 0.00 0.00 0.217   0.014 669   3 20   10
Sonoma East (Bundschu01) 8/4/26 85.1   6.1 1604 51.0   1.3 0622 54.0   0.2 93   0 38   10 3.4   0.1 16.9   0.4 1625 SE | 136 0.00 0.00 0.226   0.017 663   6 70   20
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) 8/4/26 85.6   6.3 1357 51.5   0.5 0637 54.1   0.1 93   0 36   11 2.7   0.1 13.8   1.7 1621 SE | 129 0.00 0.00 - - 80   20
Ricci Vineyards (Carneros) 8/4/26 83.6   5.0 1537 51.8   2.8 0627 54.4   0.2 93   2 38   10 5.2   1.0 18.5   3.4 2042 WNW | 291 0.00 0.01 0.222   0.021 653   3 60   10
Carneros (Ranch 71) 8/4/26 81.7   5.9 1352 55.6   3.1 0557 54.9   0.5 90   1 41   13 3.9   0.4 15.5   1.5 1858 W | 265 0.00 0.00 0.214   0.019 676   5 100   20
Carneros Upper (Ranch 81) 8/4/26 83.1   6.1 1444 56.2   1.1 0611 55.2   0.5 - - 6.4   2.6 21.4   6.8 2133 WSW | 253 - - - - 80   20
Carneros Lower (Ranch 81) 8/4/26 82.4   6.9 1454 52.4   1.9 0552 55.7   0.0 94   6 44   44 2.1   0.3 13.7   1.8 1701 SSE | 165 0.00 0.00 0.195   0.017 628   6 90   20
Rohnert Park-West (Stony Point) 8/4/26 78.3   7.9 1325 48.4   1.1 0336 55.6   2.0 96   1 52   12 3.6   1.5 19.1   0.7 1746 W | 277 0.00 0.00 - - 90   20
Cartograph Wines Base 8/4/26 76.4   6.4 1304 53.9   0.5 0348 56.4   1.1 97   4 56   11 4.8   1.0 24.7   1.3 1545 SSW | 212 0.00 0.02 0.182   0.028 648   20 90   10
Cartograph Wines Remote 8/4/26 78.5   7.7 1234 52.9   2.3 0338 - - - - - - - - - - - 100   0
Rice-Spivak Vineyard 8/4/26 79.1   6.3 1317 48.2   3.8 0405 - - - - - - - - - - - 100   0
Penngrove (Asellus) 8/4/26 84.0   9.5 1336 48.1   0.5 0639 53.1   2.2 95   2 37   11 3.8   1.6 14.1   1.8 1738 WNW | 285 0.00 0.00 - - 80   20
Petaluma (Ranch 10) 8/4/26 87.7   8.3 1447 49.0   2.1 0627 54.1   1.7 95   4 35   10 2.6   0.7 13.7   0.4 1754 NW | 312 0.00 0.00 0.211   0.016 649   12 20   10
Max   94.6 - 56.2 - 57.0 98 56 6.4 24.7 - - 0.00 0.02 0.260 741 -
Avg   - - - - 54.4 - - 3.5 - - - - - - - -
Min   76.4 - 47.7 - 52.7 90 25 1.7 8.6 - - 0.00 0.00 0.167 500 -