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Latest Observation

25 Stations

Daily Data | America/Los_Angeles
as of 7/31/26 3:44 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) 7/30/26 91.3   4.0 1433 56.3   1.2 0528 41.4   5.7 39   12 67   17 11   5 11.8   1.6 30.9   0.2 1644 NNW | 328 0.00 0.04 0.328   0.028 734   14 0   0
Rockpile Lower (Cooley) 7/30/26 94.5   5.3 1408 60.7   2.3 0502 41.2   6.1 35   11 59   19 8   6 5.7   1.3 26.4   1.6 1634 WNW | 284 0.00 0.02 - - 0   0
Cloverdale-East (Ranch 83) 7/30/26 99.6   1.0 1609 53.1   6.8 0515 46.6   4.0 - - - 2.5   0.7 15.4   0.6 1634 WNW | 284 0.00 0.00 0.255   0.006 697   10 0   0
Cloverdale-SE (Ranch 38) 7/30/26 96.7   1.8 1638 58.8   1.0 0707 47.4   4.1 40   6 64   14 11   7 4.7   0.4 14.9   2.5 1550 N | 354 0.00 0.01 0.264   0.003 642   10 0   0
Geyserville-North (Hoffman) 7/30/26 95.1   5.6 1620 49.7   1.8 0545 53.7   0.9 56   4 91   1 22   4 2.1   0.6 11.4   3.7 1551 ESE | 120 0.00 0.00 0.221   0.016 611   7 0   0
Geyserville (Ranch 3) 7/30/26 95.4   3.3 1610 51.6   1.5 0555 50.6   0.6 51   4 88   0 11   1 2.1   0.7 11.7   2.0 1529 ESE | 110 0.00 0.00 0.243   0.016 682   4 0   0
Geyserville-East (Ranch 40) 7/30/26 93.2   3.7 1456 55.6   2.1 0643 51.1   1.7 49   0 84   0 24   5 5.0   0.6 19.6   1.4 1553 SSW | 198 0.00 0.00 0.264   0.001 675   9 20   10
Geyserville-South (Nervo Station) 7/30/26 92.7   4.3 1534 53.2   1.9 0622 - - - - 2.1   1.7 12.8   6.7 1653 SE | 142 0.00 0.00 - - 20   10
Peterson (Ranch 09) 7/30/26 92.2   2.7 1604 48.8   2.6 0620 49.9   0.3 54   4 90   1 22   10 2.8   0.2 10.8   5.4 1635 SSE | 151 0.00 0.00 0.231   0.015 660   7 0   0
Crazy Creek Ranch 7/30/26 95.0   1.2 1610 49.0   1.5 0605 51.6   1.6 57   2 92   3 25   5 1.9   1.0 10.2   6.5 1330 SE | 144 0.00 0.00 0.232   0.021 679   9 0   0
Whitton Ranch (201e) 7/30/26 95.9   1.2 1542 44.1   2.6 0601 50.6   0.4 59   6 100   0 21   10 2.0   0.7 12.1   1.5 1625 SSW | 208 0.00 0.00 0.224   0.016 627   10 0   0
Lytton East (Shop Hill Bottom) 7/30/26 92.2   3.1 1533 48.8   2.3 0556 50.4   0.2 55   4 94   0 22   11 2.8   0.6 13.8   2.2 1652 SE | 146 0.00 0.00 0.242   0.019 688   5 20   10
Lytton East (Hill 5) 7/30/26 92.4   1.9 1558 52.6   3.3 0602 50.9   0.1 55   4 91   2 23   12 3.8   1.6 15.9   6.8 1613 SE | 136 0.00 0.00 0.237   0.035 618   3 20   10
Lytton West Lower (Lew 6) 7/30/26 92.5   1.9 1610 47.6   1.8 0619 50.9   0.4 57   5 95   4 24   12 2.8   0.5 13.2   4.7 1640 SSE | 155 0.00 0.00 0.230   0.018 620   4 0   0
Lytton West Hill (23PS) 7/30/26 91.8   2.1 1545 51.8   2.7 0610 51.5   0.4 55   4 92   1 24   13 3.6   0.2 16.0   0.4 1553 SSW | 196 0.00 0.00 0.248   0.015 667   7 20   10
Big River 7/30/26 91.8   1.4 1539 52.4   0.9 0628 52.4   1.4 58   3 93   2 26   5 2.2   0.3 14.0   0.7 1600 SSW | 197 0.00 0.00 0.244   0.006 713   8 0   10
Jimtown-North (Piccolo Ranch 15) 7/30/26 94.5   1.6 1553 48.2   1.2 0611 47.6   1.2 52   3 97   3 19   5 1.6   0.3 11.6   1.3 1623 S | 175 0.00 0.00 0.213   0.006 622   13 0   0
HWY 128/Chalk Hill Rd (Landslide) 7/30/26 94.1   0.3 1459 47.8   2.7 0542 49.8   2.6 56   0 93   1 20   1 1.9   0.0 11.9   1.6 1630 SW | 236 0.00 0.00 0.213   0.002 590   7 0   0
N Chalk Hill Rd (Ranch 63) 7/30/26 91.9   2.0 1502 46.8   1.8 0535 48.9   1.9 55   2 93   1 21   3 2.0   0.3 12.4   0.0 1644 SSE | 160 0.00 0.00 0.222   0.007 620   10 20   10
Newman Knights Valley 7/30/26 93.2   0.6 1607 47.7   3.0 0526 55.3   3.1 62   1 84   3 42   0 2.7   0.1 13.2   0.7 1613 SSW | 199 0.00 0.00 - - 20   10
Knights Valley (Bavarian Lion) 7/30/26 93.6   1.0 1557 45.5   3.4 0559 47.7   3.1 56   2 96   0 15   5 2.2   0.0 12.6   0.7 1602 SSW | 208 0.00 0.00 0.234   0.000 674   11 0   0
Red Tail 7/30/26 93.1   0.4 1439 47.8   2.3 0608 51.2   3.2 60   0 91   1 25   7 2.6   0.1 12.6   1.7 1539 S | 190 0.00 0.01 0.237   0.000 672   11 20   10
Franz Valley (Stornetta) 7/30/26 92.9   1.4 1546 46.3   2.7 0630 47.4   3.3 - 91   0 16   5 1.4   0.1 16.0   4.8 1649 S | 169 0.00 0.00 - - 0   0
Upper Dry Creek Valley 7/30/26 95.8   1.7 1734 49.7   2.6 0611 49.5   2.4 50   6 91   1 8   1 2.9   0.9 13.9   3.6 1927 WNW | 288 0.00 0.00 0.258   0.022 693   1 0   0
Lower Dry Creek Valley 7/30/26 91.0   3.9 1547 49.5   1.2 0537 51.7   1.2 57   6 99   1 26   15 2.3   0.7 16.3   0.7 1703 NNW | 348 0.00 0.01 0.233   0.018 654   2 20   10
Max   99.6 - 60.7 - 55.3 62 100 42 11.8 30.9 - - 0.00 0.04 0.328 734 -
Avg   - - - - 49.5 53 - - 3.1 - - - - - - - -
Min   91.0 - 44.1 - 41.2 35 59 8 1.4 10.2 - - 0.00 0.00 0.213 590 -

Sonoma County-Central Daily Obs

37 Stations

Daily Data | America/Los_Angeles
as of 7/31/26 3:44 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) 7/30/26 93.1   1.0 1527 52.4   1.3 0620 53.2   2.6 61 83   0 28   3 0.0 0.0   6.8 0101 0.00 0.02 0.199   0.006 667   2 0
Windsor-East (Ranch 16) 7/30/26 88.7   1.6 1504 47.4   2.1 0628 49.4   3.1 60 95   0 21   4 2.8 15.3   1.2 1631 0.00 0.00 0.242   0.000 669   10 60
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) 7/30/26 90.7   1.1 1548 47.4   1.9 0606 50.7   2.8 63 95   1 24   4 1.7 13.8   0.8 1643 0.00 0.02 0.221   0.003 668   1 30
Fulton-NW (Ranch 5) 7/30/26 87.7   1.4 1600 48.2   2.4 0604 50.2   3.0 60 93   1 24   5 3.4 16.2   1.5 1817 0.00 0.00 0.242   0.001 669   3 70
Bisordi (Fulton) 7/30/26 87.8   1.6 1555 47.1   1.5 0610 52.2   2.6 65 94   1 29   6 1.9 12.8   0.5 1618 0.00 0.00 0.234   0.000 724   7 70
Windsor-South (Laughlin Rd) 7/30/26 90.4   0.6 1556 50.0   1.8 0625 51.3   2.4 60 93   0 26   4 - - - 0.00 0.00 - - 50
Fulton-SE (Barnes Rd) 7/30/26 86.9   2.3 1552 50.4   1.9 0606 51.2   2.6 58 92   1 25   7 1.7 15.4   0.8 1642 0.00 0.00 - - 70
Fulton-SW (Ranch 21) 7/30/26 88.0   1.8 1534 48.3   2.2 0521 50.4   2.5 61 93   2 25   5 2.9 15.3   1.0 1737 0.00 0.00 0.242   0.000 706   8 70
NW Santa Rosa (Piner Road) 7/30/26 88.7   0.8 1539 48.2   0.7 0516 54.3   2.0 70 100   0 32   4 1.8 11.8   2.4 1620 0.00 0.00 - - 70
River Rd South (Denner Ranch) 7/30/26 89.0   0.9 1546 47.2   2.1 0633 21.4   1.5 42 100   0 0   0 3.9 19.5   2.4 1408 - - - - 60
West Santa Rosa (LOV Vineyard) 7/30/26 90.2   1.3 1532 48.7   1.1 0621 51.0   2.1 64 95   0 26   3 1.4 11.8   1.3 1730 0.00 0.00 0.032   0.001 0   0 50
Guerneville Rd (Prokopakis) 7/30/26 93.2   0.0 1542 48.0   1.8 0644 51.2   2.3 63 96   1 22   6 - - - 0.00 0.02 - - 50
SunnyView Vineyard (SCWC) 7/30/26 88.4   0.4 1530 46.2   1.1 0601 50.0   2.1 61 95   0 25   4 1.7 12.1   0.1 1609 0.00 0.00 0.201   0.002 617   2 80
Guerneville Rd West (Balletto) 7/30/26 88.7   1.6 1544 47.7   2.0 0630 53.0   2.3 68 96   0 30   5 2.3 13.4   1.4 1735 0.00 0.11 - - 70
Sanchietti Ranch 7/30/26 87.7   1.0 1532 47.7   1.0 0549 53.8   2.2 - 95   0 35   5 3.3 15.6   0.7 1617 0.00 0.00 - - 70
Occidental Rd (Sebastopol) 7/30/26 89.6   1.9 1529 47.0   1.3 0629 53.7   2.3 73 100   0 27   4 1.7 12.7   1.1 1213 0.00 0.00 - - 20
Harper's Rest (Windsor-West) 7/30/26 90.7   2.2 1508 48.7   1.6 0522 50.9   2.5 - 95   0 23   3 1.9 13.6   1.9 1647 0.00 0.02 - - 10
Lower Westside Rd (Ranch 12) 7/30/26 89.9   1.5 1603 47.6   2.1 0521 51.0   2.9 63 95   1 25   4 1.9 11.8   0.4 1610 0.00 0.02 - - 30
Guerneville (Laughlin Rd) 7/30/26 89.1   2.3 1544 47.6   1.6 0606 50.3   2.6 60 93   1 25   3 1.9 13.2   0.3 1432 0.00 0.01 - - 70
Korbel (Winery) 7/30/26 91.1   1.9 1559 49.7   1.7 0626 52.0   3.0 60 93   0 17   7 1.0 15.0   3.3 1442 0.00 0.00 - - 60
Forestville (Shone Farms) 7/30/26 91.9   1.3 1550 50.4   1.7 0614 52.6   2.5 62 94   0 26   5 2.0 12.8   1.2 1659 0.00 0.03 0.221   0.002 665   0 30
Forestville-NE (Ranch 30) 7/30/26 93.1   2.4 1622 46.4   2.1 0649 53.1   2.8 66 97   0 28   3 2.7 18.5   2.9 1640 0.00 0.01 0.236   0.002 673   2 0
Foggy Bend (Ranch 41) 7/30/26 92.6   2.2 1612 48.9   1.9 0640 54.9   2.7 68 96   1 33   1 1.5 11.2   1.5 1504 0.00 0.01 0.219   0.001 674   1 30
Last Stop 7/30/26 96.0   1.1 1552 46.8   1.9 0632 52.7   2.5 66 98   0 20   6 2.0 11.8   0.3 1607 0.00 0.00 0.226   0.002 664   3 0
Green Valley Vineyard 7/30/26 92.3   0.9 1554 49.0   1.7 0628 51.2   3.2 63 96   1 15   9 1.8 12.3   0.9 1552 0.00 0.02 0.054   0.008 52   30 30
Park Royal 7/30/26 87.7   1.4 1536 48.6   2.0 0604 49.8   2.3 59 93   1 24   6 - - - 0.00 0.00 - - 70
Merino 7/30/26 89.8   0.4 1529 45.3   1.3 0553 52.4   2.2 68 100   0 31   4 2.3 13.4   1.2 1623 0.00 0.00 0.232   0.003 696   3 70
Green Valley (Sanchietti) 7/30/26 93.6   3.1 1603 43.0   2.2 0615 - - - - - - - - - - - 0
Keefer Ranch (Green Valley) 7/30/26 91.5   2.0 1530 46.0   1.4 0616 52.4   2.8 68 98   0 22   7 - - - 0.00 0.01 - - 30
Graton-West (Dutton Ranch) 7/30/26 92.0   2.6 1522 46.4   1.8 0615 53.1   2.9 70 100   0 21   1 1.7 10.7   0.3 1457 0.00 0.04 - - 30
Graton-South (Mill Station Rd) 7/30/26 87.0   2.8 1530 45.0   1.7 0644 50.6   2.8 66 97   0 27   3 0.9 7.8   0.4 1158 0.00 0.01 - - 60
Occidental (Horseshoe Bend) 7/30/26 88.4   2.2 1527 50.9   3.1 0619 51.1   2.5 - 92   0 22   3 - - - 0.00 0.04 - - 80
Sexton Valley (Jacqueline's Blk) 7/30/26 87.3   3.8 1517 45.9   1.3 0515 53.1   2.8 69 99   0 32   3 1.1 11.2   0.7 1210 0.00 0.04 - - 60
Sebastopol Hills (Burnside Rd) 7/30/26 84.0   3.3 1517 52.2   1.5 0530 53.5   2.4 68 96   1 33   5 2.3 14.1   1.8 1215 0.00 0.00 - - 100
Pleasant Hill 7/30/26 87.2   1.2 1505 47.2   2.7 0552 51.0   2.6 - 98   0 27   6 1.8 12.1   1.5 1219 0.00 0.01 - - 70
Seaview/Fort Ross (Hirsch) 7/30/26 85.5   1.8 1505 59.7   0.5 0539 45.5   4.4 42 58   13 22   7 4.7 15.8   1.1 2315 0.00 0.05 0.256   0.000 716   15 100
Max   96.0 - 59.7 - 54.9 73 100 35 4.7 19.5 - 0.00 0.11 0.256 724 -
Avg   - - - - 50.8 63 - - 2.1 - - - - - - -
Min   84.0 - 43.0 - 21.4 42 58 0 0.0 0.0 - 0.00 0.00 0.032 0 -

Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 7/31/26 3:44 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 7/30/26 87.4   1.1 1450 55.4   1.0 0640 46.8   4.4 67   13 19   8 2.2   0.0 9.6   1.7 1651 S | 170 0.00 0.01 0.182   0.002 518   14 80   10
Lower Bennett Valley 7/30/26 87.0   1.6 1359 43.8   1.3 0502 48.7   3.2 100   0 23   7 3.3   0.2 14.4   0.4 1514 SSW | 204 0.00 0.00 0.233   0.003 668   10 70   10
Kenwood (Wildwood) 7/30/26 91.8   0.1 1443 48.8   1.3 0640 49.0   4.0 100   3 13   9 2.6   0.1 15.3   2.8 1624 NNW | 338 0.00 0.00 0.235   0.002 678   13 60   10
Sonoma Valley (Bedrock) 7/30/26 93.1   2.9 1654 47.0   2.2 0555 48.5   3.8 96   2 11   15 - - - - 0.00 0.00 - - 30   10
Sonoma-West (Arnold) 7/30/26 90.3   0.4 1437 46.3   2.4 0625 49.2   3.2 92   0 20   7 3.2   0.2 18.6   2.1 1747 SW | 221 0.00 0.00 0.270   0.006 770   11 70   10
Sonoma Valley HS 7/30/26 87.4   1.3 1504 51.0   0.2 0607 54.1   2.9 100   0 25   9 2.3   0.1 10.9   0.9 1851 SSE | 165 0.00 0.00 0.225   0.003 698   10 70   10
Sonoma East (Bundschu01) 7/30/26 87.2   1.9 1612 48.4   1.5 0636 51.0   3.0 93   1 19   14 3.6   0.1 15.6   0.4 1535 SSE | 152 0.00 0.00 0.231   0.002 691   6 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) 7/30/26 87.7   1.9 1628 48.1   1.7 0618 51.3   3.2 92   2 18   19 2.9   0.0 14.8   3.0 1632 W | 260 0.00 0.00 - - 100   0
Ricci Vineyards (Carneros) 7/30/26 86.4   3.0 1701 49.3   1.9 0557 52.0   2.9 94   0 24   16 3.4   0.8 15.5   1.1 1155 SSE | 168 0.00 0.01 0.221   0.001 668   6 100   10
Carneros (Ranch 71) 7/30/26 84.6   3.0 1644 55.1   0.7 0405 52.5   3.3 88   4 24   19 3.1   0.3 15.7   2.0 1700 W | 261 0.00 0.00 0.224   0.011 696   6 100   0
Carneros Upper (Ranch 81) 7/30/26 83.6   1.0 1702 55.3   1.9 0539 53.3   2.4 - - 4.5   0.9 18.7   0.1 1540 S | 185 - - - - 100   0
Carneros Lower (Ranch 81) 7/30/26 82.3   0.4 1528 50.3   1.7 0613 52.5   1.9 100   0 0   0 2.0   0.3 13.1   0.1 1544 SSE | 161 0.00 0.00 0.205   0.008 651   28 100   10
Rohnert Park-West (Stony Point) 7/30/26 82.4   1.9 1524 45.1   0.7 0628 51.9   2.4 97   1 34   7 1.8   0.0 13.4   1.3 1433 SSW | 213 0.00 0.00 - - 100   0
Cartograph Wines Base 7/30/26 79.9   2.2 1454 49.8   1.9 0525 53.5   1.9 96   1 39   6 3.3   0.3 20.8   2.3 1523 S | 182 0.00 0.02 0.208   0.010 681   0 100   0
Cartograph Wines Remote 7/30/26 82.5   2.4 1157 47.5   1.7 0600 - - - - - - - - - - - 100   0
Rice-Spivak Vineyard 7/30/26 83.3   2.4 1515 40.7   1.8 0528 - - - - - - - - - - - 100   0
Penngrove (Asellus) 7/30/26 85.2   1.9 1324 46.0   1.1 0637 49.4   1.9 97   0 24   8 2.5   0.2 13.8   1.4 1712 SW | 222 0.00 0.00 - - 100   0
Petaluma (Ranch 10) 7/30/26 87.0   0.2 1342 47.0   1.1 0634 49.5   2.2 96   3 22   10 2.0   0.1 12.7   0.1 1737 WSW | 244 0.00 0.00 0.222   0.002 674   3 70   10
Max   93.1 - 55.4 - 54.1 100 39 4.5 20.8 - - 0.00 0.02 0.270 770 -
Avg   - - - - 50.8 - - 2.8 - - - - - - - -
Min   79.9 - 40.7 - 46.8 67 0 1.8 9.6 - - 0.00 0.00 0.182 518 -