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Latest Observation

25 Stations

Daily Data | America/Los_Angeles
as of 8/25/26 3:19 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) 8/24/26 88.3   6.3 1535 58.0   2.6 0452 48.1   5.0 48   13 70   11 25   16 5.2   1.5 16.0   4.6 1534 SE | 141 0.00 0.05 0.237   0.042 635   2 0   10
Rockpile Lower (Cooley) 8/24/26 91.1   6.1 1642 54.5   5.5 0540 50.7   5.4 55   17 85   20 24   15 2.2   0.5 12.9   2.4 1659 W | 262 0.00 0.02 - - 0   0
Cloverdale-East (Ranch 83) 8/24/26 93.2   6.8 1548 50.9   0.4 0542 51.5   4.4 - - - 2.7   0.2 15.4   0.0 1941 S | 178 0.00 0.00 0.210   0.017 593   18 0   0
Cloverdale-SE (Ranch 38) 8/24/26 89.9   8.5 1646 51.4   7.5 0554 53.0   3.8 67   25 98   24 25   9 5.9   0.1 17.4   1.0 1537 SSE | 147 0.00 0.01 0.210   0.043 548   8 0   0
Geyserville-North (Hoffman) 8/24/26 88.6   8.2 1605 52.8   4.2 0259 55.0   3.6 69   16 95   3 28   11 2.5   0.4 12.2   0.1 1754 SSE | 162 0.00 0.00 0.179   0.033 522   48 0   0
Geyserville (Ranch 3) 8/24/26 89.8   7.8 1615 53.8   4.2 0338 53.3   5.2 67   18 100   13 22   9 2.7   0.6 13.2   0.2 1656 ESE | 120 0.00 0.00 0.185   0.037 522   57 0   0
Geyserville-East (Ranch 40) 8/24/26 87.9   7.6 1546 51.8   5.0 0549 54.4   4.0 75   27 100   12 30   13 6.1   0.7 19.6   0.1 1632 SSW | 196 0.00 0.00 0.198   0.060 557   34 0   0
Geyserville-South (Nervo Station) 8/24/26 88.2   8.1 1536 54.1   0.5 0327 - - - - 2.5   0.2 11.5   0.7 1612 SSE | 160 0.00 0.00 - - 10   10
Peterson (Ranch 09) 8/24/26 87.2   8.1 1541 53.7   5.9 0051 52.6   4.8 68   16 94   7 21   7 2.7   0.2 10.7   1.8 1632 SSE | 152 0.00 0.00 0.173   0.036 519   55 0   0
Crazy Creek Ranch 8/24/26 88.5   8.3 1606 51.0   1.8 0315 54.6   3.2 71   15 96   2 32   13 1.9   0.0 10.4   1.2 1812 S | 170 0.00 0.00 0.184   0.033 572   39 0   0
Whitton Ranch (201e) 8/24/26 90.2   8.3 1609 49.3   5.7 0052 53.5   5.0 70   15 100   0 24   10 2.4   0.3 11.0   0.3 1702 SE | 139 0.00 0.03 0.178   0.031 505   59 10   10
Lytton East (Shop Hill Bottom) 8/24/26 87.8   8.9 1538 53.7   5.9 0101 53.3   4.7 70   16 95   0 26   12 2.9   0.2 14.9   1.1 1806 ESE | 120 0.00 0.00 0.190   0.042 555   68 10   10
Lytton East (Hill 5) 8/24/26 87.1   9.5 1602 54.5   2.8 0228 53.7   4.1 71   18 97   6 28   14 4.1   0.2 17.3   0.6 1804 SSE | 154 0.00 0.00 0.182   0.050 499   56 40   10
Lytton West Lower (Lew 6) 8/24/26 87.4   9.7 1510 52.6   5.6 0209 53.6   4.6 71   15 95   0 28   15 2.8   0.3 14.6   1.3 1702 S | 186 0.00 0.01 0.187   0.046 560   68 10   10
Lytton West Hill (23PS) 8/24/26 86.7   10.3 1605 55.2   2.7 0226 54.5   4.2 73   18 99   8 29   15 3.5   0.4 14.7   0.4 1738 ESE | 102 0.00 0.01 0.191   0.045 562   64 70   10
Big River 8/24/26 85.5   9.2 1554 55.3   3.7 0057 55.6   3.7 74   17 96   2 35   14 2.8   0.6 13.4   0.2 1743 SE | 127 0.00 0.00 0.185   0.043 574   66 70   20
Jimtown-North (Piccolo Ranch 15) 8/24/26 88.8   8.5 1608 49.6   3.0 0326 51.8   5.6 67   17 100   5 25   11 1.6   0.2 12.5   2.4 1505 SSW | 208 0.00 0.00 0.162   0.030 500   52 10   10
HWY 128/Chalk Hill Rd (Landslide) 8/24/26 88.0   8.4 1527 51.4   4.5 0223 54.0   4.3 70   13 95   2 31   12 2.2   0.4 12.4   0.0 1638 SE | 137 0.00 0.00 0.162   0.035 471   55 10   10
N Chalk Hill Rd (Ranch 63) 8/24/26 85.7   8.9 1618 49.9   5.0 0252 52.7   4.4 69   15 94   2 30   13 2.4   0.4 12.0   0.4 1644 SSW | 208 0.00 0.00 0.164   0.037 480   63 10   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) 8/24/26 87.2   8.6 1542 47.4   2.9 0356 51.3   3.8 68   13 96   2 27   11 2.3   0.1 12.8   2.4 1633 WNW | 288 0.00 0.00 0.183   0.037 549   60 0   0
Red Tail 8/24/26 85.5   9.7 1430 49.0   1.4 0258 53.4   2.3 70   13 89   1 35   12 3.2   0.5 14.0   2.2 1551 SSW | 207 0.00 0.01 0.184   0.040 552   60 70   20
Franz Valley (Stornetta) 8/24/26 87.6   8.7 1512 46.8   1.8 0458 50.6   2.8 - 95   4 28   9 1.6   0.3 11.2   0.6 1625 WNW | 282 0.00 0.00 - - 20   10
Upper Dry Creek Valley 8/24/26 89.4   9.1 1607 52.8   3.6 0304 54.2   4.9 69   18 96   3 29   16 3.0   0.6 13.5   0.7 1708 S | 172 0.00 0.00 0.197   0.028 568   47 0   0
Lower Dry Creek Valley 8/24/26 87.4   8.6 1557 53.3   5.2 0059 54.8   5.1 73   18 100   0 32   18 2.9   0.6 16.1   2.8 1830 N | 355 0.00 0.01 0.186   0.033 530   61 70   10
Max   93.2 - 58.0 - 55.6 75 100 35 6.1 19.6 - - 0.00 0.05 0.237 635 -
Avg   - - - - 53.0 68 - - 3.0 - - - - - - - -
Min   85.5 - 46.8 - 48.1 48 70 21 1.6 10.4 - - 0.00 0.00 0.162 471 -

Sonoma County-Central Daily Obs

37 Stations

Daily Data | America/Los_Angeles
as of 8/25/26 3:19 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) 8/24/26 87.5   11.0 1554 55.4   3.4 0127 54.9   2.2 71 83   0 37   16 0.0 0.0   8.6 0101 0.00 0.02 0.155   0.026 525   82 10
Windsor-East (Ranch 16) 8/24/26 83.3   11.5 1451 55.0   8.7 0019 54.8   4.8 74 93   1 32   18 3.8 14.0   0.7 1630 0.00 0.00 0.181   0.053 533   80 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) 8/24/26 83.5   11.5 1538 52.1   6.1 0059 55.3   5.2 75 94   0 36   23 2.2 12.5   0.7 1356 0.00 0.02 0.167   0.042 526   87 100
Fulton-NW (Ranch 5) 8/24/26 81.5   10.7 1534 54.1   6.7 0058 55.4   4.4 76 94   2 39   17 3.7 14.3   1.1 1627 0.00 0.00 0.176   0.046 546   68 100
Bisordi (Fulton) 8/24/26 81.9   10.8 1443 53.6   8.2 0041 56.4   3.7 78 93   0 44   17 2.4 13.0   0.0 1721 0.00 0.00 0.172   0.044 558   93 100
Windsor-South (Laughlin Rd) 8/24/26 84.2   11.3 1513 55.8   6.3 0054 55.2   3.7 74 91   4 35   19 - - - 0.00 0.00 - - 90
Fulton-SE (Barnes Rd) 8/24/26 82.0   10.9 1449 57.2   8.4 0357 55.8   3.7 75 92   1 43   18 1.6 12.4   2.6 1858 0.00 0.00 - - 100
Fulton-SW (Ranch 21) 8/24/26 81.1   11.4 1426 53.6   6.2 0049 55.1   4.1 76 92   0 40   14 3.1 18.1   3.5 1236 0.00 0.00 0.180   0.051 572   82 100
NW Santa Rosa (Piner Road) 8/24/26 80.5   12.6 1503 52.3   7.0 0101 58.6   4.2 86 100   0 46   17 2.1 13.8   0.9 1451 0.00 0.00 - - 100
River Rd South (Denner Ranch) 8/24/26 79.6   11.5 1523 52.0   5.8 0059 -5.2   8.8 30 100   0 0   0 4.8 16.9   0.7 1539 - - - - 80
West Santa Rosa (LOV Vineyard) 8/24/26 80.0   12.7 1521 52.9   6.1 0059 55.4   3.9 76 94   2 40   16 2.3 13.2   0.1 1614 0.00 0.00 0.031   0.015 0   0 100
Guerneville Rd (Prokopakis) 8/24/26 84.5   12.2 1433 52.0   5.8 0059 56.0   3.9 74 94   2 38   14 - - - 0.00 0.03 - - 90
SunnyView Vineyard (SCWC) 8/24/26 80.4   11.5 1504 51.1   7.2 0101 54.7   4.6 75 95   0 40   15 2.0 13.4   0.2 1605 0.00 0.00 0.152   0.038 490   65 90
Guerneville Rd West (Balletto) 8/24/26 79.1   12.5 1415 52.3   6.1 0101 56.9   3.5 80 95   2 48   17 3.0 12.9   1.9 1617 0.00 0.11 - - 100
Sanchietti Ranch 8/24/26 80.3   12.5 1430 51.7   6.0 0128 57.4   3.6 - 95   1 53   22 2.9 14.5   0.8 1536 0.00 0.00 - - 100
Occidental Rd (Sebastopol) 8/24/26 79.8   11.7 1419 50.8   5.4 0057 59.8   3.9 89 100   0 56   21 2.7 15.6   0.2 1621 0.00 0.00 - - 100
Harper's Rest (Windsor-West) 8/24/26 88.1   9.8 1539 51.0   2.9 0107 53.3   3.6 - 95   1 29   14 1.7 9.4   0.7 1501 0.00 0.04 - - 50
Lower Westside Rd (Ranch 12) 8/24/26 85.9   9.1 1519 51.8   5.4 0058 54.1   4.0 73 95   2 32   16 2.1 11.7   2.8 1505 0.00 0.03 - - 100
Guerneville (Laughlin Rd) 8/24/26 80.8   11.6 1346 48.9   2.8 0317 52.7   3.4 75 95   3 41   20 2.2 14.2   1.5 1613 0.00 0.02 - - 100
Korbel (Winery) 8/24/26 80.9   11.6 1310 50.4   1.5 0420 54.2   2.8 76 95   0 43   19 1.6 14.0   3.2 1547 0.00 0.01 - - 100
Forestville (Shone Farms) 8/24/26 86.5   9.6 1604 52.3   3.4 0213 55.3   3.3 74 96   0 33   16 1.7 12.5   0.4 1546 0.00 0.04 0.163   0.041 512   84 100
Forestville-NE (Ranch 30) 8/24/26 85.8   9.7 1620 50.4   3.5 0206 55.5   2.7 77 97   1 37   17 2.4 14.0   0.7 1510 0.00 0.03 0.173   0.049 536   83 40
Foggy Bend (Ranch 41) 8/24/26 85.2   9.5 1536 51.5   3.9 0216 56.3   1.5 77 95   2 42   12 2.5 14.2   0.2 1621 0.00 0.03 0.174   0.039 540   72 100
Last Stop 8/24/26 86.0   10.4 1610 48.7   2.6 0234 54.3   2.5 74 97   1 34   13 2.2 13.3   1.8 1505 0.00 0.02 0.175   0.032 534   72 70
Green Valley Vineyard 8/24/26 82.5   9.9 1438 50.5   2.0 0213 54.0   2.7 75 97   1 37   18 2.0 13.2   0.7 1449 0.00 0.07 0.036   0.007 19   14 100
Park Royal 8/24/26 80.0   13.2 1412 54.1   6.6 0101 55.0   4.3 75 92   0 42   19 - - - 0.00 0.00 - - 100
Merino 8/24/26 83.9   11.7 1447 49.7   6.6 0101 56.7   3.9 79 100   0 44   16 2.0 13.4   1.6 1635 0.00 0.00 0.173   0.039 551   72 90
Green Valley (Sanchietti) 8/24/26 83.9   11.0 1555 47.1   5.5 0216 - - - - - - - - - - - 100
Keefer Ranch (Green Valley) 8/24/26 80.8   11.3 1546 49.0   4.6 0202 54.4   2.3 76 96   2 42   15 - - - 0.00 0.04 - - 100
Graton-West (Dutton Ranch) 8/24/26 81.4   12.2 1430 50.7   5.8 0056 57.8   4.3 84 100   0 42   20 2.3 11.7   0.4 1442 0.00 0.05 - - 100
Graton-South (Mill Station Rd) 8/24/26 75.0   11.8 1349 50.6   7.6 0042 56.0   4.1 82 96   0 53   21 1.5 12.5   1.5 1509 0.00 0.03 - - 20
Occidental (Horseshoe Bend) 8/24/26 74.8   12.7 1355 52.4   1.3 0101 55.6   3.0 - 100   0 51   22 - - - 0.00 0.08 - - 0
Sexton Valley (Jacqueline's Blk) 8/24/26 75.2   13.6 1402 51.1   6.9 0053 57.2   2.7 84 97   3 58   21 1.6 12.0   1.0 1140 0.00 0.09 - - 20
Sebastopol Hills (Burnside Rd) 8/24/26 73.2   10.3 1359 55.5   2.8 0053 57.1   2.1 89 100   0 62   21 3.8 15.4   0.0 1732 0.00 0.00 - - 30
Pleasant Hill 8/24/26 78.3   12.6 1412 51.6   4.0 0110 55.5   3.4 - 97   1 48   19 2.7 14.5   0.9 1531 0.00 0.05 - - 90
Seaview/Fort Ross (Hirsch) 8/24/26 71.5   9.6 1648 52.7   11.1 0719 50.8   5.0 70 96   45 37   11 2.7 9.1   3.3 1425 0.00 0.06 0.162   0.035 616   7 50
Max   88.1 - 57.2 - 59.8 89 100 62 4.8 18.1 - 0.00 0.11 0.181 616 -
Avg   - - - - 53.8 76 - - 2.4 - - - - - - -
Min   71.5 - 47.1 - -5.2 30 83 0 0.0 0.0 - 0.00 0.00 0.031 0 -

Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 8/25/26 3:19 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 8/24/26 82.2   10.2 1548 50.5   4.7 0314 53.5   4.5 98   20 39   15 1.7   0.3 10.0   0.1 1435 SSE | 154 0.00 0.01 0.138   0.021 432   12 90   10
Lower Bennett Valley 8/24/26 84.6   9.0 1424 46.0   4.2 0242 54.0   4.7 100   0 39   15 3.3   0.8 11.8   1.4 1513 SW | 234 0.00 0.00 0.175   0.036 542   50 100   10
Kenwood (Wildwood) 8/24/26 88.9   7.0 1505 54.3   7.7 0317 54.0   4.6 96   0 33   16 3.4   0.9 12.1   2.6 1902 NNW | 339 0.00 0.00 0.189   0.019 582   1 10   10
Sonoma Valley (Bedrock) 8/24/26 85.3   9.3 1449 50.9   4.9 0547 52.2   4.3 93   0 34   20 - - - - 0.00 0.00 - - 100   20
Sonoma-West (Arnold) 8/24/26 88.1   8.3 1632 49.1   3.6 0652 52.2   2.8 90   0 33   16 2.7   0.6 12.9   0.1 1445 E | 96 0.00 0.00 0.221   0.012 668   3 0   0
Sonoma Valley HS 8/24/26 84.5   9.8 1659 52.1   3.4 0556 56.4   1.6 100   0 44   22 2.4   0.6 10.1   1.0 1944 SW | 230 0.00 0.00 0.182   0.016 590   5 100   20
Sonoma East (Bundschu01) 8/24/26 82.3   11.0 1724 48.8   2.2 0646 53.1   2.0 94   1 41   21 3.0   0.3 14.7   1.1 1701 ESE | 110 0.00 0.00 0.194   0.023 607   13 100   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) 8/24/26 83.6   10.9 1726 49.3   2.4 0656 53.5   1.8 94   1 38   19 2.8   0.4 12.8   1.3 1833 SW | 231 0.00 0.00 - - 100   20
Ricci Vineyards (Carneros) 8/24/26 81.5   11.7 1736 51.7   4.7 0245 54.6   1.9 94   1 40   18 5.6   2.4 20.6   8.2 1906 W | 277 0.00 0.01 0.196   0.011 600   9 90   10
Carneros (Ranch 71) 8/24/26 78.9   12.2 1746 53.7   1.8 0659 54.8   0.4 94   3 44   19 4.4   1.8 16.2   6.2 1847 WSW | 245 0.00 0.00 0.185   0.003 607   15 100   10
Carneros Upper (Ranch 81) 8/24/26 81.4   10.8 1621 54.3   2.3 0712 54.4   0.7 - - 7.6   4.3 21.7   7.0 2105 WSW | 252 - - - - 100   10
Carneros Lower (Ranch 81) 8/24/26 80.2   9.6 1556 53.1   3.8 0629 55.6   3.0 100   0 46   46 1.8   0.0 14.9   4.0 1152 SSE | 158 0.00 0.00 0.049   0.079 80   241 100   10
Rohnert Park-West (Stony Point) 8/24/26 77.0   12.6 1244 52.1   10.7 0058 57.1   4.6 96   1 55   23 2.5   0.6 16.8   1.2 1617 SW | 228 0.00 0.00 - - 20   10
Cartograph Wines Base 8/24/26 75.2   11.3 1304 56.5   6.2 0713 57.3   2.4 97   1 61   24 4.7   1.2 23.1   2.6 1521 SW | 219 0.00 0.08 0.151   0.049 538   70 30   10
Cartograph Wines Remote 8/24/26 77.7   12.0 1229 55.9   9.5 0037 - - - - - - - - - - - 20   10
Rice-Spivak Vineyard 8/24/26 77.0   12.1 1305 56.8   17.4 0047 - - - - - - - - - - - 0   10
Penngrove (Asellus) 8/24/26 83.5   11.2 1338 53.6   9.7 0135 55.2   5.3 94   4 38   22 3.3   1.3 13.5   0.7 1341 W | 277 0.00 0.00 - - 80   10
Petaluma (Ranch 10) 8/24/26 85.9   11.2 1427 56.5   11.8 0146 55.4   5.0 93   3 30   14 3.3   1.6 12.9   0.7 2147 WSW | 248 0.00 0.00 0.175   0.019 554   21 70   10
Max   88.9 - 56.8 - 57.3 100 61 7.6 23.1 - - 0.00 0.08 0.221 668 -
Avg   - - - - 54.6 - - 3.5 - - - - - - - -
Min   75.2 - 46.0 - 52.2 90 30 1.7 10.0 - - 0.00 0.00 0.049 80 -