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Latest Observation

25 Stations

Daily Data | America/Los_Angeles
as of 8/24/26 3:16 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) 8/23/26 94.6   8.1 1508 60.5   8.7 0632 43.1   2.0 35   16 59   28 10   10 6.7   4.2 20.6   10.3 1437 SE | 136 0.00 0.05 0.279   0.012 637   15 10   10
Rockpile Lower (Cooley) 8/23/26 97.2   8.8 1529 60.0   6.9 0615 45.2   0.8 38   12 66   19 10   8 2.8   2.4 15.3   10.0 1548 WNW | 285 0.00 0.02 - - 0   0
Cloverdale-East (Ranch 83) 8/23/26 100.0   4.4 1543 50.6   1.0 0636 47.1   0.3 - - - 2.5   0.7 15.4   1.0 0945 NNE | 13 0.00 0.00 0.227   0.003 610   1 0   0
Cloverdale-SE (Ranch 38) 8/23/26 98.4   2.6 1548 58.8   4.8 0703 49.2   0.2 43   8 73   14 16   0 5.8   0.5 18.4   0.1 1717 NNW | 341 0.00 0.01 0.253   0.021 556   5 0   0
Geyserville-North (Hoffman) 8/23/26 96.8   4.0 1540 48.6   3.4 0621 51.4   0.1 54   4 92   2 18   4 2.1   0.3 12.1   0.4 1652 SE | 143 0.00 0.00 0.212   0.006 570   7 0   0
Geyserville (Ranch 3) 8/23/26 97.6   2.4 1620 49.6   3.3 0636 48.1   1.3 49   5 87   13 13   4 2.2   0.4 13.0   0.2 1604 ESE | 114 0.00 0.00 0.222   0.003 578   8 0   0
Geyserville-East (Ranch 40) 8/23/26 95.5   2.1 1621 56.8   4.6 0059 50.4   2.0 48   9 88   6 16   10 5.3   0.6 19.7   0.4 1701 SSW | 200 0.00 0.00 0.258   0.025 591   6 0   0
Geyserville-South (Nervo Station) 8/23/26 96.3   3.7 1505 53.6   3.7 0650 - - - - 2.3   0.8 12.1   6.0 1429 SE | 140 0.00 0.00 - - 20   10
Peterson (Ranch 09) 8/23/26 95.3   3.4 1541 47.8   3.1 0633 47.8   0.9 52   4 88   2 14   9 2.5   0.2 12.4   1.2 1707 SSW | 195 0.00 0.00 0.209   0.003 574   12 0   0
Crazy Creek Ranch 8/23/26 96.8   3.1 1612 49.2   3.9 0625 51.4   0.6 56   5 94   5 20   7 1.9   0.2 11.6   5.0 1745 SSW | 193 0.00 0.00 0.217   0.005 611   13 0   0
Whitton Ranch (201e) 8/23/26 98.5   3.7 1553 43.6   3.2 0635 48.5   1.1 54   4 100   0 14   8 2.1   0.3 11.3   4.0 1627 ESE | 121 0.00 0.03 0.209   0.002 565   4 20   10
Lytton East (Shop Hill Bottom) 8/23/26 96.7   4.8 1603 47.8   3.1 0653 48.6   1.2 54   4 95   5 13   12 2.7   0.3 13.8   1.1 1521 SSE | 151 0.00 0.00 0.232   0.008 622   11 20   10
Lytton East (Hill 5) 8/23/26 96.6   5.2 1520 51.8   3.7 0637 49.6   1.4 53   5 90   6 14   11 3.9   0.9 16.8   1.8 1607 SE | 140 0.00 0.00 0.232   0.006 555   12 50   10
Lytton West Lower (Lew 6) 8/23/26 97.1   5.8 1557 46.9   3.1 0648 49.0   1.1 55   3 94   5 14   13 2.5   0.6 13.2   2.7 1625 SSE | 148 0.00 0.01 0.233   0.005 628   12 20   10
Lytton West Hill (23PS) 8/23/26 97.0   6.8 1548 52.4   2.8 0648 50.2   1.4 54   4 91   7 14   16 3.2   0.6 14.2   1.4 1629 SE | 128 0.00 0.01 0.236   0.003 626   13 80   10
Big River 8/23/26 94.7   4.3 1525 51.6   3.1 0638 51.9   0.6 57   5 94   4 21   10 2.2   0.1 13.6   0.4 1738 S | 175 0.00 0.00 0.228   0.009 640   17 50   10
Jimtown-North (Piccolo Ranch 15) 8/23/26 97.3   3.8 1700 46.7   2.7 0647 46.1   2.1 49   7 95   5 14   5 1.4   0.2 14.9   2.6 1519 SW | 230 0.00 0.00 0.192   0.004 552   20 20   10
HWY 128/Chalk Hill Rd (Landslide) 8/23/26 96.4   4.3 1452 46.9   2.7 0644 49.7   0.8 56   7 94   2 18   6 1.8   0.0 12.5   2.3 1716 SW | 234 0.00 0.00 0.197   0.010 526   11 20   10
N Chalk Hill Rd (Ranch 63) 8/23/26 94.6   3.2 1439 44.9   2.7 0628 48.4   0.8 54   6 92   6 17   7 1.9   0.1 12.4   0.6 1608 SSE | 162 0.00 0.00 0.201   0.010 542   12 20   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) 8/23/26 95.8   3.7 1458 44.5   3.2 0659 47.5   0.3 55   4 94   4 16   4 2.2   0.1 15.2   1.6 1533 WSW | 240 0.00 0.00 0.220   0.014 609   8 0   10
Red Tail 8/23/26 95.2   4.3 1441 47.6   1.9 0640 51.0   0.6 57   6 90   4 23   7 2.7   0.1 16.2   3.2 1634 SSW | 204 0.00 0.01 0.224   0.015 612   9 50   10
Franz Valley (Stornetta) 8/23/26 96.3   3.6 1450 45.0   2.2 0632 47.8   0.0 - 90   3 19   0 1.3   0.2 10.6   1.0 1611 SSW | 207 0.00 0.00 - - 30   10
Upper Dry Creek Valley 8/23/26 98.5   2.5 1604 49.2   3.9 0615 49.4   2.3 51   1 93   4 13   3 2.3   0.5 12.8   3.8 1247 SSE | 148 0.00 0.00 0.225   0.005 615   10 0   0
Lower Dry Creek Valley 8/23/26 96.0   5.4 1625 48.1   3.5 0635 49.7   1.2 55   5 100   0 13   17 2.3   0.7 13.3   1.6 1544 N | 351 0.00 0.01 0.219   0.006 591   7 80   10
Max   100.0 - 60.5 - 51.9 57 100 23 6.7 20.6 - - 0.00 0.05 0.279 640 -
Avg   - - - - 48.8 51 - - 2.8 - - - - - - - -
Min   94.6 - 43.6 - 43.1 35 59 10 1.3 10.6 - - 0.00 0.00 0.192 526 -

Sonoma County-Central Daily Obs

37 Stations

Daily Data | America/Los_Angeles
as of 8/24/26 3:16 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) 8/23/26 98.5   7.7 1624 51.9   2.7 0650 52.7   1.2 60 83   3 21   12 0.0 8.6   8.6 1836 0.00 0.02 0.181   0.001 608   4 20
Windsor-East (Ranch 16) 8/23/26 94.8   7.3 1504 46.3   1.8 0630 50.0   0.4 60 94   1 14   16 3.4 14.6   0.1 1440 0.00 0.00 0.234   0.020 613   6 70
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) 8/23/26 95.0   7.1 1600 46.0   1.3 0616 50.1   1.1 62 94   4 12   17 1.7 11.8   2.4 1616 0.00 0.02 0.209   0.011 613   6 80
Fulton-NW (Ranch 5) 8/23/26 92.2   6.6 1520 47.3   1.1 0646 51.1   0.1 62 92   4 22   11 2.9 13.3   3.0 1734 0.00 0.00 0.222   0.008 613   18 90
Bisordi (Fulton) 8/23/26 92.7   6.6 1455 45.3   1.0 0635 52.7   0.2 65 93   3 27   11 1.8 13.0   0.3 1542 0.00 0.00 0.216   0.010 650   5 80
Windsor-South (Laughlin Rd) 8/23/26 95.5   7.5 1511 49.5   1.1 0659 51.5   0.9 62 95   0 16   15 - - - 0.00 0.00 - - 70
Fulton-SE (Barnes Rd) 8/23/26 92.9   8.0 1442 48.8   1.1 0546 52.2   0.2 62 91   4 25   10 0.9 9.9   1.8 1836 0.00 0.00 - - 90
Fulton-SW (Ranch 21) 8/23/26 92.5   7.3 1415 47.4   1.2 0641 51.0   0.1 62 92   8 26   25 2.7 14.6   0.0 1456 0.00 0.00 0.231   0.016 654   5 90
NW Santa Rosa (Piner Road) 8/23/26 93.1   7.9 1444 45.3   0.2 0622 54.4   0.1 73 100   0 29   9 2.0 12.9   0.7 1602 0.00 0.00 - - 90
River Rd South (Denner Ranch) 8/23/26 91.1   4.8 1327 46.2   0.7 0601 3.6   2.9 27 100   0 0   0 4.1 16.2   2.2 1458 - - - - 90
West Santa Rosa (LOV Vineyard) 8/23/26 92.7   6.6 1426 46.8   0.3 0645 51.5   0.3 66 96   0 24   7 1.8 13.3   1.5 1606 0.00 0.00 0.046   0.024 0   0 80
Guerneville Rd (Prokopakis) 8/23/26 96.7   6.6 1522 46.2   0.1 0648 52.1   0.1 65 96   2 24   5 - - - 0.01 0.03 - - 70
SunnyView Vineyard (SCWC) 8/23/26 91.9   7.4 1438 43.9   0.5 0620 50.1   0.1 64 95   1 25   7 1.8 13.6   0.7 1420 0.00 0.00 0.190   0.014 554   5 100
Guerneville Rd West (Balletto) 8/23/26 91.6   5.5 1420 46.2   0.1 0620 53.4   0.2 69 97   0 32   7 2.4 14.8   1.2 1602 0.00 0.11 - - 80
Sanchietti Ranch 8/23/26 92.8   9.0 1414 45.7   0.4 0629 53.8   0.3 - 96   0 31   13 2.6 15.3   0.0 1649 0.00 0.00 - - 90
Occidental Rd (Sebastopol) 8/23/26 91.5   3.9 1403 45.4   0.3 0623 55.9   0.8 77 100   0 35   8 2.1 15.8   3.3 1546 0.00 0.00 - - 80
Harper's Rest (Windsor-West) 8/23/26 97.9   7.9 1607 48.1   2.4 0612 49.7   1.9 - 96   0 16   13 1.7 10.1   1.9 1703 0.00 0.04 - - 60
Lower Westside Rd (Ranch 12) 8/23/26 95.0   6.3 1607 46.4   1.6 0627 50.1   1.9 61 97   1 17   14 1.7 14.5   1.5 1628 0.00 0.03 - - 80
Guerneville (Laughlin Rd) 8/23/26 92.4   6.6 1310 46.1   0.1 0613 49.4   1.5 60 92   4 22   10 1.7 12.6   0.3 1429 0.00 0.02 - - 80
Korbel (Winery) 8/23/26 92.5   3.2 1335 48.9   0.2 0644 51.4   1.1 62 95   2 25   1 0.4 10.8   1.0 1400 0.00 0.01 - - 80
Forestville (Shone Farms) 8/23/26 96.1   6.1 1601 48.9   2.0 0546 52.0   1.3 61 95   0 16   16 1.7 12.1   0.6 1432 0.00 0.04 0.204   0.007 596   15 80
Forestville-NE (Ranch 30) 8/23/26 95.5   3.9 1542 46.9   0.0 0646 52.8   1.4 65 98   0 20   13 2.3 13.2   1.8 1506 0.00 0.03 0.222   0.010 619   11 50
Foggy Bend (Ranch 41) 8/23/26 94.7   2.8 1532 47.6   1.2 0643 54.8   0.5 67 97   0 30   1 1.7 14.5   3.3 1648 0.00 0.03 0.213   0.016 612   14 80
Last Stop 8/23/26 96.4   2.0 1540 46.1   2.8 0628 51.8   0.7 66 98   0 21   1 1.7 11.5   0.9 1609 0.00 0.02 0.207   0.000 606   20 80
Green Valley Vineyard 8/23/26 92.4   1.0 1514 48.5   2.3 0613 51.4   0.1 64 98   0 19   0 1.7 12.5   0.2 1730 0.00 0.07 0.043   0.003 5   9 80
Park Royal 8/23/26 93.2   8.2 1407 47.4   0.4 0623 50.7   0.2 63 92   5 23   9 - - - 0.00 0.00 - - 90
Merino 8/23/26 95.6   8.5 1424 43.1   0.8 0631 52.8   0.2 70 100   0 28   8 1.8 11.8   0.9 1738 0.00 0.00 0.212   0.009 624   1 70
Green Valley (Sanchietti) 8/23/26 94.9   0.8 1531 41.6   1.4 0627 - - - - - - - - - - - 80
Keefer Ranch (Green Valley) 8/23/26 92.1   1.1 1521 44.5   1.9 0552 52.1   0.7 68 98   0 27   4 - - - 0.00 0.04 - - 80
Graton-West (Dutton Ranch) 8/23/26 93.6   0.7 1503 44.9   2.1 0640 53.5   0.7 70 100   0 23   3 1.9 11.3   1.4 1624 0.00 0.05 - - 80
Graton-South (Mill Station Rd) 8/23/26 86.7   0.7 1421 43.0   1.5 0628 51.9   0.9 70 97   0 32   2 1.2 11.0   2.0 1637 0.00 0.03 - - 30
Occidental (Horseshoe Bend) 8/23/26 87.5   0.1 1437 53.7   3.3 0439 52.6   0.4 - 100   0 29   4 - - - 0.00 0.08 - - 0
Sexton Valley (Jacqueline's Blk) 8/23/26 88.8   3.0 1411 44.2   1.1 0614 54.5   1.1 74 100   0 37   2 1.3 13.0   3.8 1547 0.00 0.09 - - 30
Sebastopol Hills (Burnside Rd) 8/23/26 83.5   1.0 1350 52.6   2.2 0632 55.0   0.2 74 100   0 41   1 3.0 15.4   1.6 1602 0.00 0.00 - - 40
Pleasant Hill 8/23/26 90.9   4.8 1341 47.6   1.3 0635 52.1   0.5 - 98   0 29   5 1.9 13.6   1.8 1619 0.00 0.05 - - 100
Seaview/Fort Ross (Hirsch) 8/23/26 81.1   1.9 1503 63.9   8.6 0449 45.8   2.3 39 51   36 26   5 2.5 12.4   4.2 1442 0.00 0.06 0.197   0.018 609   11 60
Max   98.5 - 63.9 - 55.9 77 100 41 4.1 16.2 - 0.01 0.11 0.234 654 -
Avg   - - - - 50.6 64 - - 1.9 - - - - - - -
Min   81.1 - 41.6 - 3.6 27 51 0 0.0 8.6 - 0.00 0.00 0.043 0 -

Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 8/24/26 3:16 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 8/23/26 92.4   8.2 1451 55.2   4.4 0059 48.9   1.1 78   15 23   5 2.0   0.2 10.2   2.4 1615 SE | 144 0.00 0.01 0.159   0.012 444   10 100   0
Lower Bennett Valley 8/23/26 93.6   7.3 1435 41.8   0.0 0635 49.3   0.4 100   0 24   3 2.5   0.3 13.1   1.6 1437 SW | 230 0.00 0.00 0.211   0.019 592   24 90   10
Kenwood (Wildwood) 8/23/26 95.9   6.8 1529 46.6   2.5 0613 49.3   0.4 96   0 17   4 2.5   0.4 14.7   1.8 1511 WSW | 244 0.00 0.00 0.208   0.018 584   27 20   10
Sonoma Valley (Bedrock) 8/23/26 94.6   4.9 1526 46.0   0.7 0620 47.8   0.2 93   3 14   7 - - - - 0.00 0.00 - - 80   10
Sonoma-West (Arnold) 8/23/26 96.4   6.0 1549 45.5   1.0 0611 49.4   0.7 90   1 17   5 2.2   0.6 13.0   3.6 1634 WSW | 240 0.00 0.00 0.233   0.006 670   5 0   10
Sonoma Valley HS 8/23/26 94.3   7.1 1650 48.7   0.1 0618 54.8   0.4 100   0 22   9 1.7   0.3 9.0   2.4 1635 SE | 146 0.00 0.00 0.198   0.006 594   3 80   10
Sonoma East (Bundschu01) 8/23/26 93.3   8.0 1517 46.5   0.5 0642 51.2   0.4 93   1 19   9 3.2   0.2 13.6   2.0 1706 SSE | 157 0.00 0.00 0.217   0.021 594   5 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) 8/23/26 94.5   6.7 1527 46.9   1.4 0608 51.7   0.6 93   2 20   8 2.3   0.0 11.5   3.7 1430 SE | 135 0.00 0.00 - - 80   10
Ricci Vineyards (Carneros) 8/23/26 93.2   8.7 1509 47.0   1.3 0647 52.7   1.0 95   0 22   6 3.2   0.3 12.4   5.6 1521 SE | 144 0.00 0.01 0.207   0.009 591   15 100   0
Carneros (Ranch 71) 8/23/26 91.1   9.1 1508 55.6   2.2 0554 54.4   1.9 91   1 25   5 2.6   1.3 10.0   11.1 1517 S | 174 0.00 0.00 0.188   0.009 592   10 90   10
Carneros Upper (Ranch 81) 8/23/26 92.2   9.0 1504 56.6   2.6 0502 55.0   2.4 - - 3.3   3.9 14.7   9.1 1626 SW | 227 - - - - 90   10
Carneros Lower (Ranch 81) 8/23/26 89.8   0.2 1502 49.3   0.6 0627 52.7   0.4 100   0 0   0 1.8   0.6 10.9   2.2 1353 SSE | 164 0.00 0.00 0.128   0.098 320   296 90   10
Rohnert Park-West (Stony Point) 8/23/26 89.6   8.9 1253 41.4   0.5 0617 52.5   1.1 97   1 32   12 1.8   0.4 15.6   2.6 1508 WSW | 254 0.00 0.00 - - 30   10
Cartograph Wines Base 8/23/26 86.5   9.5 1226 50.3   0.3 0633 54.9   0.1 97   1 38   13 3.4   0.5 20.5   0.3 1626 SSW | 210 0.00 0.08 0.200   0.028 607   24 40   20
Cartograph Wines Remote 8/23/26 89.7   10.0 1239 46.4   0.5 0628 - - - - - - - - - - - 30   10
Rice-Spivak Vineyard 8/23/26 89.1   9.2 1233 39.4   0.2 0629 - - - - - - - - - - - 10   10
Penngrove (Asellus) 8/23/26 94.7   11.6 1425 43.9   0.5 0558 49.9   0.2 98   0 16   16 2.0   0.1 12.8   1.4 1511 WNW | 294 0.00 0.00 - - 90   10
Petaluma (Ranch 10) 8/23/26 97.1   13.0 1511 44.7   2.1 0631 50.5   0.5 96   2 16   14 1.6   0.4 12.2   0.3 1718 NNW | 338 0.00 0.00 0.194   0.006 574   5 80   10
Max   97.1 - 56.6 - 55.0 100 38 3.4 20.5 - - 0.00 0.08 0.233 670 -
Avg   - - - - 51.6 - - 2.4 - - - - - - - -
Min   86.5 - 39.4 - 47.8 78 0 1.6 9.0 - - 0.00 0.00 0.128 320 -