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Latest Observation

25 Stations

Daily Data | America/Los_Angeles
as of 8/23/26 2:54 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) 8/22/26 86.5   0.4 1533 51.8   1.4 0144 45.0   2.4 51   3 87   4 19   4 10.9   4.0 30.9   8.3 1858 NW | 312 0.00 0.05 0.267   0.043 652   56 20   10
Rockpile Lower (Cooley) 8/22/26 88.4   1.8 1512 53.1   1.2 0615 46.1   3.6 50   8 85   2 18   1 5.2   2.4 25.2   11.2 1829 WNW | 292 0.00 0.02 - - 0   0
Cloverdale-East (Ranch 83) 8/22/26 95.6   4.0 1448 49.5   2.9 0258 47.4   5.3 - - - 3.2   1.2 14.5   0.2 1934 W | 275 0.00 0.00 0.230   0.041 611   75 0   0
Cloverdale-SE (Ranch 38) 8/22/26 95.8   6.6 1546 54.0   0.1 0626 49.4   5.1 51   16 88   9 16   18 5.3   0.9 18.3   1.1 2008 N | 354 0.00 0.01 0.232   0.042 562   68 0   0
Geyserville-North (Hoffman) 8/22/26 100.8   11.8 1545 45.2   6.4 0641 51.3   4.3 57   12 94   1 14   23 2.4   0.4 12.5   0.5 1653 SSE | 162 0.00 0.00 0.206   0.040 576   85 0   10
Geyserville (Ranch 3) 8/22/26 95.2   6.8 1558 46.3   6.7 0623 49.4   4.6 54   12 100   0 18   14 2.6   0.6 13.2   1.7 1659 ESE | 108 0.00 0.00 0.219   0.047 587   87 0   0
Geyserville-East (Ranch 40) 8/22/26 93.4   7.1 1517 52.1   1.7 0633 52.3   2.9 57   16 94   6 26   11 4.7   0.6 20.2   2.3 1612 S | 174 0.00 0.00 0.233   0.049 596   88 0   10
Geyserville-South (Nervo Station) 8/22/26 92.6   6.1 1500 49.8   4.1 0620 - - - - 3.1   0.7 18.2   5.0 2057 W | 277 0.00 0.00 - - 30   10
Peterson (Ranch 09) 8/22/26 91.9   5.8 1539 44.7   6.7 0635 48.7   4.2 56   11 89   1 22   12 2.6   0.4 13.6   0.1 1651 SSE | 166 0.00 0.00 0.206   0.037 586   77 0   0
Crazy Creek Ranch 8/22/26 93.7   5.6 1549 45.3   6.5 0619 52.0   3.5 62   9 99   3 27   9 2.1   0.2 16.6   3.9 2041 WNW | 293 0.00 0.00 0.212   0.046 624   111 0   10
Whitton Ranch (201e) 8/22/26 94.8   5.1 1539 40.3   7.1 0616 49.6   4.4 58   10 100   0 22   11 2.4   0.2 15.3   4.6 2050 WNW | 286 0.00 0.03 0.207   0.039 569   91 30   10
Lytton East (Shop Hill Bottom) 8/22/26 91.9   5.3 1532 44.7   9.2 0541 49.8   3.9 58   10 100   6 26   7 3.0   0.2 14.8   0.7 1709 SSE | 152 0.00 0.00 0.224   0.044 634   105 30   10
Lytton East (Hill 5) 8/22/26 91.4   5.1 1525 48.1   6.8 0644 51.0   3.0 58   11 97   2 26   9 4.7   0.9 18.6   1.3 1628 SSE | 158 0.00 0.00 0.226   0.053 566   92 60   10
Lytton West Lower (Lew 6) 8/22/26 91.3   4.5 1522 43.8   8.3 0637 50.1   3.8 59   10 100   6 27   6 3.1   0.4 16.0   2.1 1701 SSE | 161 0.00 0.01 0.228   0.051 640   110 30   10
Lytton West Hill (23PS) 8/22/26 90.2   4.3 1524 49.7   5.8 0616 51.7   2.8 59   11 99   3 29   3 3.8   0.4 15.6   0.5 1722 SSE | 160 0.00 0.01 0.233   0.049 640   96 90   20
Big River 8/22/26 90.4   5.4 1537 48.4   5.5 0545 52.6   2.9 62   11 99   2 31   9 2.3   0.2 14.0   0.8 1631 SSE | 157 0.00 0.00 0.219   0.044 658   122 60   10
Jimtown-North (Piccolo Ranch 15) 8/22/26 93.5   5.4 1550 44.0   6.4 0645 48.2   3.8 57   8 100   0 19   9 1.6   0.3 12.3   1.1 1603 SSW | 200 0.00 0.00 0.188   0.039 572   111 30   10
HWY 128/Chalk Hill Rd (Landslide) 8/22/26 92.1   5.0 1520 44.2   7.2 0641 50.5   3.4 63   5 96   2 25   8 1.8   0.3 14.8   2.8 1521 SSW | 213 0.00 0.00 0.187   0.036 537   104 30   10
N Chalk Hill Rd (Ranch 63) 8/22/26 91.4   6.3 1451 42.2   7.6 0642 49.2   3.6 60   8 98   5 25   10 1.8   0.2 13.0   0.3 1701 S | 186 0.00 0.00 0.191   0.034 554   102 30   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) 8/22/26 92.1   4.5 1513 41.3   8.0 0648 47.8   3.9 59   8 98   1 20   5 2.2   0.1 13.6   1.4 1512 SSW | 197 0.00 0.00 0.206   0.023 616   74 10   10
Red Tail 8/22/26 90.9   5.6 1444 45.6   4.4 0641 51.7   2.4 63   7 95   3 30   9 2.6   0.2 13.0   1.0 1533 S | 178 0.00 0.01 0.209   0.034 621   96 60   10
Franz Valley (Stornetta) 8/22/26 92.7   6.4 1439 42.8   8.4 0644 47.8   3.6 - 94   1 19   10 1.6   0.0 11.6   0.7 1440 NW | 307 0.00 0.00 - - 40   10
Upper Dry Creek Valley 8/22/26 96.0   6.9 1700 45.2   6.3 0634 47.1   7.1 52   15 96   2 10   21 2.8   0.6 16.5   5.1 1953 WNW | 299 0.00 0.00 0.230   0.046 625   89 0   0
Lower Dry Creek Valley 8/22/26 90.6   5.1 1525 44.7   7.4 0629 50.8   3.6 59   10 100   0 30   3 3.1   0.9 14.9   0.6 2113 N | 355 0.00 0.01 0.213   0.038 598   85 90   10
Max   100.8 - 54.0 - 52.6 63 100 31 10.9 30.9 - - 0.00 0.05 0.267 658 -
Avg   - - - - 49.5 57 - - 3.3 - - - - - - - -
Min   86.5 - 40.3 - 45.0 50 85 10 1.6 11.6 - - 0.00 0.00 0.187 537 -

Sonoma County-Central Daily Obs

37 Stations

Daily Data | America/Los_Angeles
as of 8/23/26 2:54 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) 8/22/26 90.8   3.1 1448 49.2   5.5 0651 53.9   1.0 65 86   2 34   4 0.0 0.0   0.8 0101 0.00 0.02 0.180   0.035 612   120 30
Windsor-East (Ranch 16) 8/22/26 87.5   5.0 1459 44.5   6.5 0643 50.4   3.6 66 95   4 30   8 2.6 14.5   1.2 1718 0.00 0.00 0.214   0.039 619   112 80
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) 8/22/26 87.9   2.9 1517 44.7   5.9 0550 51.3   3.3 68 98   2 30   3 1.6 14.2   3.1 1629 0.00 0.02 0.198   0.038 619   120 90
Fulton-NW (Ranch 5) 8/22/26 85.6   4.3 1447 46.2   6.4 0611 51.1   3.5 67 96   1 33   8 2.9 16.3   0.9 1613 0.00 0.00 0.214   0.039 632   112 100
Bisordi (Fulton) 8/22/26 86.1   4.2 1437 44.4   7.9 0614 52.5   3.5 70 96   4 38   8 1.7 13.3   0.7 1636 0.00 0.00 0.206   0.038 655   115 90
Windsor-South (Laughlin Rd) 8/22/26 88.0   2.9 1423 48.4   6.2 0628 52.4   2.0 66 94   1 31   4 - - - 0.00 0.00 - - 80
Fulton-SE (Barnes Rd) 8/22/26 84.9   4.1 1435 47.7   9.0 0540 52.3   2.6 66 95   3 35   8 0.3 8.0   4.5 1935 0.00 0.00 - - 100
Fulton-SW (Ranch 21) 8/22/26 85.2   3.6 1338 46.1   6.2 0518 50.9   3.4 67 100   0 0   40 2.4 14.6   0.7 1608 0.00 0.00 0.215   0.040 660   115 100
NW Santa Rosa (Piner Road) 8/22/26 85.2   2.6 1502 45.1   7.1 0508 54.3   3.3 76 100   0 39   6 1.6 13.6   4.0 1604 0.00 0.00 - - 100
River Rd South (Denner Ranch) 8/22/26 86.3   1.9 1456 45.5   5.7 0601 6.5   6.3 33 100   0 0   0 3.4 18.4   3.1 1645 - - - - 100
West Santa Rosa (LOV Vineyard) 8/22/26 86.1   2.6 1436 46.5   4.9 0527 51.9   2.6 69 96   0 32   4 1.1 11.8   1.2 1608 0.00 0.00 0.022   0.003 0   0 90
Guerneville Rd (Prokopakis) 8/22/26 90.1   1.6 1447 46.3   5.1 0509 52.0   2.9 68 98   2 29   2 - - - 0.00 0.02 - - 80
SunnyView Vineyard (SCWC) 8/22/26 84.5   2.6 1500 43.4   6.3 0527 50.2   3.6 68 96   1 32   7 1.4 12.9   0.2 1635 0.00 0.00 0.176   0.031 559   95 100
Guerneville Rd West (Balletto) 8/22/26 86.1   4.1 1443 46.0   5.8 0513 53.6   2.6 73 97   1 39   4 2.1 13.6   3.2 1632 0.00 0.11 - - 90
Sanchietti Ranch 8/22/26 83.8   2.2 1541 45.3   6.1 0508 54.2   2.7 - 96   1 44   5 2.8 15.3   3.9 1628 0.00 0.00 - - 100
Occidental Rd (Sebastopol) 8/22/26 87.6   5.4 1515 45.1   5.5 0502 56.7   2.6 82 100   0 42   13 1.6 12.5   0.2 1422 0.00 0.00 - - 90
Harper's Rest (Windsor-West) 8/22/26 90.0   3.9 1438 45.7   5.6 0635 51.6   1.8 - 97   2 28   4 1.9 12.0   2.1 1339 0.00 0.04 - - 70
Lower Westside Rd (Ranch 12) 8/22/26 88.7   5.0 1507 44.8   6.4 0639 52.0   2.1 68 98   2 31   3 1.7 13.0   0.9 1624 0.00 0.03 - - 90
Guerneville (Laughlin Rd) 8/22/26 85.8   5.4 1304 46.2   3.6 0341 50.9   2.3 66 97   4 31   11 1.6 12.9   1.5 1425 0.00 0.02 - - 90
Korbel (Winery) 8/22/26 89.3   8.0 1547 49.1   2.9 0407 52.5   1.6 66 97   4 26   17 0.5 9.8   5.0 1455 0.00 0.01 - - 90
Forestville (Shone Farms) 8/22/26 90.0   4.5 1459 46.9   5.5 0631 53.4   1.5 67 96   1 32   3 1.7 11.5   1.2 1713 0.00 0.04 0.197   0.044 611   127 90
Forestville-NE (Ranch 30) 8/22/26 91.6   5.7 1502 46.8   4.2 0521 54.2   1.2 71 99   1 33   4 2.2 15.0   1.4 1549 0.00 0.03 0.212   0.048 630   120 60
Foggy Bend (Ranch 41) 8/22/26 91.9   8.4 1623 46.4   5.6 0647 55.3   0.9 72 97   2 31   13 1.2 11.2   2.5 1541 0.00 0.03 0.197   0.032 626   103 90
Last Stop 8/22/26 94.4   8.5 1520 43.4   6.7 0628 52.5   1.7 69 98   3 22   16 1.8 12.4   1.1 1609 0.00 0.02 0.207   0.049 626   126 90
Green Valley Vineyard 8/22/26 91.4   9.5 1559 46.2   3.8 0627 51.4   1.8 67 98   0 19   16 1.8 12.3   1.5 1728 0.00 0.07 0.040   0.007 14   7 90
Park Royal 8/22/26 85.0   3.2 1437 47.0   7.0 0525 50.9   3.1 66 97   0 32   7 - - - 0.00 0.00 - - 100
Merino 8/22/26 87.1   2.8 1457 42.3   7.2 0518 52.6   3.5 73 100   1 36   6 2.0 12.7   1.0 1538 0.00 0.00 0.203   0.034 623   94 80
Green Valley (Sanchietti) 8/22/26 94.1   9.8 1615 40.2   8.2 0556 - - - - - - - - - - - 90
Keefer Ranch (Green Valley) 8/22/26 91.0   8.1 1625 42.6   6.0 0644 51.4   2.6 70 97   2 24   16 - - - 0.00 0.04 - - 90
Graton-West (Dutton Ranch) 8/22/26 92.9   8.9 1457 42.8   6.9 0640 52.8   3.8 74 100   0 20   16 1.5 9.9   1.7 1437 0.00 0.05 - - 90
Graton-South (Mill Station Rd) 8/22/26 86.0   6.7 1639 41.5   7.0 0619 51.0   3.3 70 97   1 34   8 0.8 8.9   0.7 1412 0.00 0.03 - - 40
Occidental (Horseshoe Bend) 8/22/26 87.4   10.0 1616 50.4   0.1 0635 52.2   1.0 - 100   0 25   20 - - - 0.00 0.08 - - 0
Sexton Valley (Jacqueline's Blk) 8/22/26 85.8   5.9 1454 43.2   5.3 0622 53.4   2.3 74 100   2 40   8 1.2 9.2   2.5 1454 0.00 0.09 - - 40
Sebastopol Hills (Burnside Rd) 8/22/26 82.5   8.0 1632 50.4   2.4 0554 54.9   0.8 74 100   0 42   15 1.9 13.8   0.1 1442 0.00 0.00 - - 20
Pleasant Hill 8/22/26 86.1   7.0 1513 46.3   2.8 0649 52.6   1.3 - 98   1 34   11 1.6 11.7   0.1 1416 0.00 0.05 - - 100
Seaview/Fort Ross (Hirsch) 8/22/26 83.0   12.3 1404 55.3   0.2 0107 48.2   4.3 49 87   1 31   20 4.2 16.5   5.7 2045 0.00 0.06 0.215   0.051 620   31 40
Max   94.4 - 55.3 - 56.7 82 100 44 4.2 18.4 - 0.00 0.11 0.215 660 -
Avg   - - - - 51.1 68 - - 1.8 - - - - - - -
Min   82.5 - 40.2 - 6.5 33 86 0 0.0 0.0 - 0.00 0.00 0.022 0 -

Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 8/23/26 2:54 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 8/22/26 84.2   4.5 1343 50.8   0.2 0503 50.0   2.7 93   5 28   10 1.8   0.3 12.5   2.5 1539 S | 176 0.00 0.01 0.147   0.013 434   19 100   10
Lower Bennett Valley 8/22/26 86.3   5.2 1320 41.8   11.9 0629 49.7   4.9 100   0 27   12 2.8   1.6 14.7   0.8 1325 NW | 325 0.00 0.00 0.192   0.014 567   17 100   10
Kenwood (Wildwood) 8/22/26 89.1   4.9 1346 49.1   5.1 0550 49.7   3.7 97   1 20   13 2.9   0.5 12.9   1.1 1401 NNW | 344 0.00 0.00 0.190   0.006 557   15 30   10
Sonoma Valley (Bedrock) 8/22/26 89.7   4.5 1508 45.2   5.7 0640 48.1   2.8 96   2 21   1 - - - - 0.00 0.00 - - 90   10
Sonoma-West (Arnold) 8/22/26 90.4   4.6 1501 44.6   5.7 0643 48.7   3.3 92   1 22   10 2.8   0.5 16.6   4.9 1820 SSW | 210 0.00 0.00 0.239   0.015 665   14 10   10
Sonoma Valley HS 8/22/26 87.2   4.6 1502 48.6   4.4 0640 54.3   1.5 100   1 31   13 2.1   0.5 6.7   3.4 1930 SW | 219 0.00 0.00 0.192   0.010 597   26 90   10
Sonoma East (Bundschu01) 8/22/26 85.3   1.8 1647 46.0   6.4 0637 50.8   2.7 94   0 28   9 3.0   0.7 15.6   7.9 1634 SW | 220 0.00 0.00 0.196   0.002 589   18 100   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) 8/22/26 87.8   3.6 1503 45.5   8.4 0624 51.0   2.4 95   1 27   8 2.4   1.5 15.2   5.4 1658 W | 261 0.00 0.00 - - 90   10
Ricci Vineyards (Carneros) 8/22/26 84.5   0.9 1642 48.3   7.6 0647 51.7   2.0 95   2 28   7 3.5   4.2 18.0   4.1 1755 W | 279 0.00 0.01 0.198   0.005 576   19 100   0
Carneros (Ranch 71) 8/22/26 82.0   0.7 1647 53.4   1.6 0638 52.4   1.2 92   3 30   8 3.9   4.2 21.0   7.2 1701 W | 261 0.00 0.00 0.197   0.001 581   30 100   0
Carneros Upper (Ranch 81) 8/22/26 83.2   0.7 1651 54.0   1.0 0532 52.6   19.9 - - 7.2   4.0 23.8   4.5 1654 WSW | 257 - - - - 100   0
Carneros Lower (Ranch 81) 8/22/26 89.6   0.2 1642 48.8   6.7 0642 52.2   2.2 100   7 0   31 1.2   0.4 13.1   0.9 1218 SSE | 160 0.00 0.00 0.030   0.015 25   89 100   20
Rohnert Park-West (Stony Point) 8/22/26 80.7   5.3 1218 40.9   9.2 0646 51.4   4.1 98   2 44   9 1.4   0.7 12.9   7.3 1401 SW | 219 0.00 0.00 - - 40   20
Cartograph Wines Base 8/22/26 77.0   3.3 1210 50.0   3.7 0643 54.9   1.2 98   1 51   8 2.9   1.7 20.8   3.9 1455 SSW | 192 0.00 0.08 0.172   0.019 583   44 20   20
Cartograph Wines Remote 8/22/26 79.7   5.0 1238 46.0   5.0 0640 - - - - - - - - - - - 40   20
Rice-Spivak Vineyard 8/22/26 79.9   4.5 1210 39.6   6.5 0614 - - - - - - - - - - - 20   20
Penngrove (Asellus) 8/22/26 83.1   5.9 1228 44.4   6.2 0609 50.1   3.7 98   4 32   13 1.9   0.9 11.3   2.5 1418 W | 279 0.00 0.00 - - 100   20
Petaluma (Ranch 10) 8/22/26 84.1   6.5 1357 46.8   5.5 0623 51.0   3.1 98   8 30   14 2.0   1.4 11.9   4.5 1536 WNW | 302 0.00 0.00 0.188   0.013 580   18 90   20
Max   90.4 - 54.0 - 54.9 100 51 7.2 23.8 - - 0.00 0.08 0.239 665 -
Avg   - - - - 51.2 - - 2.8 - - - - - - - -
Min   77.0 - 39.6 - 48.1 92 0 1.2 6.7 - - 0.00 0.00 0.030 25 -