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Latest Observation

25 Stations

Daily Data | America/Los_Angeles
as of 9/25/26 12:23 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) 9/23/26 90.4   7.6 1440 55.2   3.5 0105 44.9   2.5 42   17 72   20 18   13 7.0   1.4 25.2   2.4 1832 NW | 314 0.00 0.33 0.217   0.026 515   7 80   10
Rockpile Lower (Cooley) 9/24/26 92.8   0.8 1426 60.7   5.0 2349 40.7   5.6 31   13 44   32 16   1 4.3   0.9 23.8   4.6 1752 WNW | 297 0.00 0.33 - - 60   10
Cloverdale-East (Ranch 83) 9/23/26 97.4   11.8 1547 45.3   4.6 0654 48.2   3.9 - - - 2.2   0.2 13.9   0.2 1038 NNW | 346 0.00 0.12 0.154   0.010 440   6 80   10
Cloverdale-SE (Ranch 38) 9/23/26 95.0   12.0 1547 51.6   1.5 0725 51.0   2.5 54   17 93   3 23   13 4.2   0.3 17.2   0.6 1713 NNE | 20 0.00 0.11 0.177   0.027 418   7 30   10
Geyserville-North (Hoffman) 9/23/26 95.7   12.6 1508 44.5   5.1 0708 51.7   2.5 63   10 94   3 27   12 1.6   0.3 11.8   1.6 1538 ESE | 114 0.00 0.00 0.157   0.021 456   15 40   10
Geyserville (Ranch 3) 9/23/26 93.6   10.7 1540 45.2   4.9 0651 50.1   2.5 60   10 100   1 23   12 1.6   0.4 11.7   1.8 1649 SE | 136 0.00 0.13 0.147   0.020 418   23 40   10
Geyserville-East (Ranch 40) 9/23/26 92.3   11.9 1519 52.0   0.5 0718 52.7   1.2 58   20 96   3 27   14 3.7   1.3 18.3   0.9 1553 SSW | 197 0.00 0.12 0.189   0.043 465   23 10   10
Geyserville-South (Nervo Station) 9/23/26 92.2   10.7 1540 49.0   4.7 0718 - - - - 2.0   0.3 12.1   1.7 1522 SSE | 149 0.00 0.21 - - 10   10
Peterson (Ranch 09) 9/23/26 91.7   10.8 1508 45.1   4.8 0525 49.6   2.4 63   8 97   5 23   12 1.5   0.8 12.5   0.7 1527 S | 170 0.00 0.20 0.152   0.024 456   34 10   10
Crazy Creek Ranch 9/23/26 93.6   10.1 1530 46.0   3.9 0414 52.3   1.7 65   11 99   2 25   14 1.5   0.3 11.0   0.3 1601 SSW | 196 0.00 0.23 0.160   0.033 487   62 20   10
Whitton Ranch (201e) 9/23/26 93.4   9.7 1608 41.1   4.6 0529 49.4   3.0 65   7 100   4 24   11 1.6   0.3 10.0   0.4 1656 E | 100 0.00 0.29 0.140   0.021 381   21 30   10
Lytton East (Shop Hill Bottom) 9/23/26 92.6   11.7 1536 45.5   6.5 0426 49.8   2.5 62   11 100   5 24   12 1.9   0.4 14.4   2.0 1649 ESE | 122 0.00 0.27 0.169   0.030 481   37 20   10
Lytton East (Hill 5) 9/23/26 92.0   11.3 1539 49.0   4.3 0634 50.7   1.9 60   14 98   1 25   11 2.6   0.6 15.4   2.4 1542 SSE | 162 0.00 0.25 0.165   0.035 425   29 70   10
Lytton West Lower (Lew 6) 9/23/26 92.6   11.5 1500 44.7   5.1 0419 49.7   2.8 63   11 100   0 25   13 1.7   0.7 15.6   3.7 1605 SSE | 147 0.00 0.28 0.169   0.026 490   30 20   10
Lytton West Hill (23PS) 9/23/26 92.3   12.7 1531 49.0   4.5 0559 51.3   2.0 61   14 100   1 26   14 2.3   0.6 11.9   0.5 1631 SSW | 192 0.00 0.26 0.175   0.027 497   13 90   10
Big River 9/23/26 91.9   11.8 1510 49.8   1.9 0439 53.2   0.9 65   13 100   1 29   14 1.5   0.5 11.2   0.4 1530 SSW | 198 0.00 0.28 0.164   0.031 484   36 90   10
Jimtown-North (Piccolo Ranch 15) 9/23/26 93.6   9.8 1537 44.8   3.0 0336 48.9   2.9 62   11 100   0 20   11 0.9   0.4 9.9   0.0 1444 S | 191 0.00 0.20 0.133   0.022 412   48 20   10
HWY 128/Chalk Hill Rd (Landslide) 9/23/26 93.7   10.3 1505 46.8   1.8 0241 51.1   1.5 64   10 97   1 23   12 1.6   0.1 11.4   1.6 1458 SSW | 208 0.00 0.31 0.144   0.029 407   44 20   10
N Chalk Hill Rd (Ranch 63) 9/23/26 91.7   10.9 1450 44.0   3.1 0317 50.1   1.5 64   11 100   0 23   14 1.4   0.4 10.4   1.1 1558 SSW | 203 0.00 0.29 0.145   0.028 420   38 30   10
Newman Knights Valley 9/23/26 91.7   9.5 1601 49.2   3.0 0230 55.9   2.0 69   6 90   1 44   6 2.2   0.5 12.3   0.1 1432 WSW | 255 0.00 0.40 - - 10   10
Knights Valley (Bavarian Lion) 9/23/26 92.5   9.4 1612 48.2   1.4 0152 51.2   0.5 65   8 97   2 21   11 1.9   0.3 10.4   2.6 1701 WNW | 297 0.00 0.26 0.156   0.027 450   24 60   20
Red Tail 9/23/26 90.9   10.0 1516 45.3   3.7 0438 52.0   0.8 66   11 95   2 31   13 2.3   0.1 14.6   1.3 1620 SSW | 206 0.00 0.29 0.161   0.035 474   59 80   10
Franz Valley (Stornetta) 9/23/26 90.9   8.7 1556 46.8   1.5 0219 50.7   0.7 - 100   6 25   10 1.2   0.2 9.0   1.8 1201 N | 4 0.00 0.43 - - 100   10
Upper Dry Creek Valley 9/23/26 94.9   11.5 1718 44.6   5.3 0639 50.4   2.5 62   8 96   3 21   14 1.2   0.9 10.7   0.0 1649 ESE | 102 0.00 0.14 0.161   0.008 492   7 90   20
Lower Dry Creek Valley 9/23/26 92.4   11.7 1543 45.0   4.3 0513 50.6   2.8 65   10 100   0 25   12 1.3   0.2 12.8   0.6 1620 SW | 228 0.00 0.26 0.159   0.023 461   20 70   10
Max   97.4 - 60.7 - 55.9 69 100 44 7.0 25.2 - - 0.00 0.43 0.217 515 -
Avg   - - - - 50.3 60 - - 2.2 - - - - - - - -
Min   90.4 - 41.1 - 40.7 31 44 16 0.9 9.0 - - 0.00 0.00 0.133 381 -

Sonoma County-Central Daily Obs

37 Stations

Daily Data | America/Los_Angeles
as of 9/25/26 12:23 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) 9/23/26 93.8   11.9 1538 48.8   3.9 0457 52.8   0.1 63 87   2 29   14 0.8 11.0   5.3 1504 0.00 0.50 0.148   0.034 464   48 10
Windsor-East (Ranch 16) 9/23/26 90.4   10.6 1533 44.9   2.9 0433 50.8   1.3 67 100   1 26   14 1.8 11.3   1.8 1436 0.00 0.23 0.159   0.032 457   52 60
Mark West-North (Ranch 14) 9/23/26 91.0   10.9 1458 47.3   1.9 0345 50.6   1.6 64 98   0 26   12 1.0 9.9   1.6 1549 0.00 0.24 - - 60
Windsor-SE (Silk Rd) 9/23/26 91.1   11.8 1546 44.5   3.1 0429 50.6   1.9 67 98   1 26   15 1.3 10.2   0.8 1646 0.00 0.32 0.152   0.032 467   58 50
Fulton-NW (Ranch 5) 9/23/26 88.9   10.6 1653 46.1   2.4 0341 33.8   1.5 46 100   0 3   0 1.6 11.1   1.3 1536 0.00 0.23 0.159   0.028 476   50 50
Bisordi (Fulton) 9/23/26 89.5   10.8 1515 44.2   2.9 0324 52.8   0.6 71 97   2 34   15 1.3 9.5   2.7 1551 0.00 0.22 0.157   0.033 503   70 50
Windsor-South (Laughlin Rd) 9/23/26 91.7   11.1 1608 47.6   3.8 0347 51.4   1.2 65 100   5 0   39 - - - 0.00 0.17 - - 50
Fulton-SE (Barnes Rd) 9/23/26 88.6   11.0 1642 47.4   2.6 0356 52.2   0.8 67 96   1 31   13 0.6 10.4   1.2 1657 0.00 0.29 - - 50
Fulton-SW (Ranch 21) 9/23/26 88.9   11.7 1541 46.5   2.7 0242 25.0   6.0 45 100   0 0   0 1.7 10.7   1.0 1515 0.00 0.20 0.166   0.032 499   54 50
NW Santa Rosa (Piner Road) 9/23/26 89.8   12.8 1600 45.3   1.4 0215 53.7   1.4 74 100   0 33   17 1.2 8.5   2.8 1345 0.00 0.00 - - 50
River Rd South (Denner Ranch) 9/23/26 90.6   13.2 1609 46.4   1.5 0406 6.5   23.7 32 100   0 0   0 2.5 14.9   0.0 1519 - - - - 60
West Santa Rosa (LOV Vineyard) 8/25/26 85.6   5.6 1427 51.5   1.4 0051 53.4   2.0 73 96   2 24   16 1.5 11.9   1.3 1443 0.00 0.00 0.029   0.002 0   0 100
Guerneville Rd (Prokopakis) 9/23/26 93.4   13.7 1537 45.5   2.0 0251 51.5   1.1 68 100   3 26   14 - - - 0.00 0.24 - - 0
SunnyView Vineyard (SCWC) 9/23/26 89.2   11.6 1556 44.4   1.5 0228 50.2   1.3 68 100   5 28   14 1.1 8.7   3.2 1411 0.00 0.27 0.135   0.023 424   39 50
Guerneville Rd West (Balletto) 9/23/26 89.4   13.0 1634 46.4   1.4 0205 53.0   0.5 72 99   1 35   15 1.6 10.0   1.9 1519 0.00 0.43 - - 50
Sanchietti Ranch 9/23/26 89.3   12.2 1515 46.8   0.8 0147 54.2   0.1 - 98   3 36   14 2.0 11.4   1.5 1611 0.00 0.28 - - 50
Occidental Rd (Sebastopol) 9/23/26 89.4   12.1 1528 47.2   0.4 0124 57.6   0.7 83 100   0 44   18 1.6 13.4   0.2 1413 0.00 0.20 - - 50
Harper's Rest (Windsor-West) 9/23/26 92.3   11.6 1519 46.1   3.2 0457 50.4   1.3 - 97   3 24   15 1.4 10.0   1.2 1614 0.00 0.45 - - 70
Lower Westside Rd (Ranch 12) 9/23/26 91.6   12.0 1426 45.6   3.3 0459 50.8   1.6 68 100   5 25   16 1.4 13.0   2.5 1614 0.00 0.45 - - 60
Guerneville (Laughlin Rd) 9/23/26 87.8   7.6 1452 47.5   0.3 0142 51.4   0.1 70 97   5 27   13 1.5 11.6   0.8 1339 0.00 0.81 - - 60
Korbel (Winery) 9/23/26 88.0   7.5 1317 48.3   1.1 0206 52.4   0.5 70 100   6 28   14 0.6 13.7   1.5 1409 0.00 0.52 - - 90
Forestville (Shone Farms) 9/23/26 92.3   12.8 1549 48.4   1.5 0441 52.4   0.9 67 98   2 28   18 1.3 11.2   0.8 1700 0.00 0.43 0.151   0.030 464   54 60
Forestville-NE (Ranch 30) 9/23/26 91.7   11.8 1559 44.1   4.1 0501 53.2   0.6 71 99   2 30   17 1.4 12.0   1.0 1456 0.00 0.40 0.158   0.028 476   44 20
Foggy Bend (Ranch 41) 9/23/26 90.5   11.0 1418 46.3   3.1 0401 54.6   0.1 73 97   2 37   14 1.5 13.2   3.7 1426 0.00 0.42 0.152   0.032 468   50 60
Last Stop 9/23/26 92.5   11.2 1423 44.6   3.4 0415 52.2   0.7 71 98   3 31   14 1.4 10.5   0.8 1537 0.00 0.39 0.151   0.025 469   41 20
Green Valley Vineyard 9/23/26 89.8   12.0 1425 46.8   2.4 0430 51.9   0.9 68 98   1 27   16 1.5 10.7   1.3 1629 0.00 0.57 0.031   0.014 5   5 60
Park Royal 9/23/26 89.2   11.8 1616 46.8   2.6 0240 50.6   1.6 67 98   2 28   13 - - - 0.00 0.21 - - 50
Merino 9/23/26 92.2   12.1 1634 44.2   2.0 0241 52.8   0.7 73 100   2 30   13 1.4 11.5   2.0 1523 0.00 0.33 0.157   0.032 484   58 50
Green Valley (Sanchietti) 9/24/26 88.0   0.4 1328 45.4   0.7 0650 - - - - - - - - - - - 50
Keefer Ranch (Green Valley) 9/23/26 89.1   11.3 1456 43.2   2.9 0439 52.5   0.4 75 98   2 32   14 - - - 0.00 0.48 - - 60
Graton-West (Dutton Ranch) 9/23/26 91.1   13.2 1447 43.7   2.7 0334 64.3   6.2 100 100   0 100   33 1.1 11.2   1.4 1253 0.00 0.61 - - 60
Graton-South (Mill Station Rd) 9/23/26 85.9   11.7 1636 43.6   1.8 0416 51.6   0.5 72 99   2 33   17 0.4 6.4   0.2 1446 0.00 0.41 - - 50
Occidental (Horseshoe Bend) 9/23/26 87.1   13.2 1604 50.4   0.0 0443 53.1   0.1 - 100   0 31   18 - - - 0.00 0.75 - - 40
Sexton Valley (Jacqueline's Blk) 9/23/26 85.4   10.4 1458 44.1   1.2 0153 53.6   0.4 76 99   2 40   13 1.0 9.5   0.3 1418 0.00 0.27 - - 70
Sebastopol Hills (Burnside Rd) 9/23/26 82.7   12.1 1557 50.6   0.2 0719 54.3   0.8 73 100   0 41   15 1.7 11.3   0.7 1521 0.00 0.00 - - 40
Pleasant Hill 9/23/26 86.7   10.3 1458 47.6   1.1 0403 52.4   0.6 - 98   2 32   11 1.8 12.1   1.8 1423 0.00 0.49 - - 60
Seaview/Fort Ross (Hirsch) 9/23/26 81.5   9.0 1713 58.0   11.3 0318 47.1   2.5 43 67   30 26   22 2.2 8.7   3.4 1318 0.00 0.07 0.161   0.022 504   7 20
Max   93.8 - 58.0 - 64.3 100 100 100 2.5 14.9 - 0.00 0.81 0.166 504 -
Avg   - - - - 50.0 67 - - 1.4 - - - - - - -
Min   81.5 - 43.2 - 6.5 32 67 0 0.4 6.4 - 0.00 0.00 0.031 5 -

Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 9/25/26 12:23 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 9/23/26 87.0   8.8 1606 50.3   0.9 0653 51.2   0.3 96   2 28   13 1.8   0.4 10.0   1.0 1512 SSE | 168 0.00 0.02 0.122   0.026 352   20 70   10
Lower Bennett Valley 9/23/26 88.3   9.4 1414 42.6   2.1 0336 50.0   2.6 100   0 28   15 1.9   0.3 11.2   1.2 1537 SSW | 195 0.00 0.39 0.155   0.034 456   28 50   10
Kenwood (Wildwood) 9/23/26 90.7   9.3 1500 52.6   2.6 0831 52.7   0.2 100   0 28   10 2.3   0.3 10.9   0.6 1626 NNW | 338 0.00 0.21 0.153   0.022 446   0 50   10
Sonoma Valley (Bedrock) 9/23/26 89.9   12.9 1556 53.1   2.5 0705 51.3   0.2 96   3 26   16 - - - - 0.00 0.29 - - 50   10
Sonoma-West (Arnold) 9/23/26 91.7   14.0 1518 54.5   3.8 0052 52.2   0.2 94   2 26   15 2.5   0.1 13.3   1.9 1556 SW | 232 0.00 0.35 0.182   0.040 523   56 70   10
Sonoma Valley HS 9/23/26 91.5   16.2 1514 55.5   1.0 0725 56.2   1.1 99   2 31   20 1.5   0.7 8.9   0.5 1620 WNW | 287 0.00 0.01 0.148   0.028 468   46 50   10
Sonoma East (Bundschu01) 9/23/26 91.7   17.2 1536 53.5   1.1 0059 52.7   0.5 92   1 26   23 2.2   1.3 12.3   1.8 1656 WSW | 249 0.00 0.23 0.156   0.027 470   42 60   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) 9/23/26 94.5   19.0 1527 54.2   0.2 0050 52.6   0.6 91   1 23   24 1.1   1.2 10.8   0.3 1403 SSW | 199 0.00 0.18 - - 60   10
Ricci Vineyards (Carneros) 9/23/26 92.8   20.1 1545 53.6   0.3 0101 53.1   0.1 93   0 25   27 2.6   1.3 11.8   1.9 1846 WNW | 282 0.00 0.12 0.165   0.038 481   51 70   10
Carneros (Ranch 71) 9/23/26 90.6   19.1 1558 55.6   2.1 0733 53.0   0.5 96   2 24   30 2.8   0.6 13.6   1.3 1805 WSW | 256 0.00 0.07 0.158   0.048 458   63 40   10
Carneros Upper (Ranch 81) 9/23/26 90.9   17.4 1556 55.4   1.9 0754 41.4   9.7 - - 3.5   1.7 16.4   1.1 1818 W | 264 - - - - 40   10
Carneros Lower (Ranch 81) 9/23/26 95.3   21.8 1529 55.6   1.3 0059 54.0   0.1 92   0 23   31 0.8   0.6 7.8   4.4 1433 SSE | 163 0.00 0.01 0.019   0.002 12   6 40   10
Rohnert Park-West (Stony Point) 9/23/26 85.4   10.0 1346 43.7   0.4 0149 52.4   0.8 99   2 37   13 1.3   0.1 13.6   1.5 1551 WSW | 255 0.00 0.21 - - 40   20
Cartograph Wines Base 9/23/26 83.4   10.7 1527 49.9   1.1 0156 54.4   0.4 99   1 41   17 2.7   0.1 17.0   1.4 1648 WSW | 239 0.01 0.32 0.151   0.041 468   65 20   20
Cartograph Wines Remote 9/23/26 81.4   10.7 1217 46.4   1.1 0139 - - - - - - - - - - - 40   20
Rice-Spivak Vineyard 9/23/26 85.1   10.2 1502 40.5   0.5 0134 - - - - - - - - - - - 40   20
Penngrove (Asellus) 9/23/26 87.8   8.5 1337 44.5   1.8 0304 50.4   1.1 97   2 28   12 1.8   0.1 11.4   1.2 1456 W | 275 0.00 0.57 - - 0   0
Petaluma (Ranch 10) 9/23/26 89.9   7.3 1552 47.7   0.1 0102 51.7   0.1 94   1 27   11 1.2   0.4 9.7   2.5 1725 WNW | 300 0.00 0.09 0.142   0.026 438   54 50   10
Max   95.3 - 55.6 - 56.2 100 41 3.5 17.0 - - 0.01 0.57 0.182 523 -
Avg   - - - - 51.8 - - 2.0 - - - - - - - -
Min   81.4 - 40.5 - 41.4 91 23 0.8 7.8 - - 0.00 0.01 0.019 12 -