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Latest Observation

25 Stations

Daily Data | America/Los_Angeles
as of 5/26/26 10:46 AM PDT
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) 5/25/26 65.9   6.7 1247 44.3   0.7 0649 46.0   3.2 83   2 100   0 50   2 6.0   1.7 27.2   8.8 1912 NNW | 329 0.01 42.15 0.160   0.008 618   6 70   10
Rockpile Lower (Cooley) 5/25/26 67.6   8.8 1229 47.4   0.1 0647 47.3   2.9 78   3 100   0 49   5 4.9   2.2 26.0   15.2 1647 W | 266 0.01 41.50 - - 70   10
Cloverdale-East (Ranch 83) 5/25/26 73.7   2.4 1524 53.0   0.8 0610 49.2   1.9 - - - 3.2   0.6 20.0   3.3 1722 WSW | 253 0.00 35.00 0.167   0.000 568   11 80   10
Cloverdale-SE (Ranch 38) 5/25/26 71.0   2.7 1603 51.0   1.1 0746 49.7   1.6 78   3 98   2 49   3 4.8   2.3 21.0   2.5 1817 S | 180 0.02 36.53 0.149   0.003 511   12 60   10
Geyserville-North (Hoffman) 5/25/26 72.4   1.1 1347 52.4   0.5 0637 50.3   1.4 74   2 96   6 53   1 3.4   0.0 16.5   3.5 1855 WNW | 287 0.00 25.50 0.133   0.014 414   76 50   10
Geyserville (Ranch 3) 5/25/26 70.4   2.4 1442 52.2   0.6 0602 49.4   1.2 72   1 100   11 48   1 3.7   0.4 16.6   4.5 1805 W | 261 0.01 35.89 0.145   0.018 463   106 80   10
Geyserville-East (Ranch 40) 5/25/26 70.0   0.9 1523 49.4   0.1 0526 49.8   1.4 82   3 100   0 53   4 5.0   2.0 18.7   1.4 1440 SW | 220 0.01 36.81 0.136   0.009 486   71 30   10
Geyserville-South (Nervo Station) 5/25/26 71.0   0.2 1513 50.7   0.8 0618 - - - - 3.5   0.3 20.2   7.7 1913 W | 276 0.00 27.02 - - 20   10
Peterson (Ranch 09) 5/25/26 69.4   2.2 1511 50.8   1.1 0504 48.3   1.1 72   1 96   8 48   0 3.6   0.5 15.6   3.0 1924 WSW | 246 0.02 33.62 0.151   0.005 510   11 0   0
Crazy Creek Ranch 5/25/26 69.7   2.4 1449 51.6   1.0 0610 50.9   1.2 79   1 98   5 57   0 3.1   0.2 16.2   3.4 1731 WNW | 295 0.02 37.13 0.132   0.016 454   82 30   10
Whitton Ranch (201e) 5/25/26 71.2   2.2 1507 51.2   0.9 0500 50.0   0.9 76   0 99   9 48   1 2.8   0.2 13.9   2.2 1530 S | 182 0.02 37.99 0.139   0.003 464   24 50   10
Lytton East (Shop Hill Bottom) 5/25/26 70.0   0.9 1601 49.0   2.8 2313 48.9   1.2 75   1 100   11 46   6 3.4   0.2 16.4   1.5 1424 SE | 140 0.02 38.78 0.157   0.006 547   12 30   10
Lytton East (Hill 5) 5/25/26 70.5   0.2 1558 50.4   1.0 0544 49.0   1.2 76   2 98   8 46   7 5.0   0.4 20.5   3.3 1525 ESE | 121 0.02 38.24 0.147   0.005 490   4 30   10
Lytton West Lower (Lew 6) 5/25/26 70.7   0.6 1445 49.2   2.6 2200 49.0   1.2 75   1 100   12 46   6 3.8   0.5 17.5   3.8 1820 WSW | 257 0.01 38.66 0.160   0.010 546   10 20   10
Lytton West Hill (23PS) 5/25/26 70.7   0.6 1501 51.2   1.0 0542 49.2   1.1 73   3 100   12 46   8 3.7   0.0 14.7   0.6 1910 W | 280 0.01 40.38 0.171   0.017 605   43 20   10
Big River 5/25/26 67.1   1.6 1527 50.7   1.3 0611 50.0   1.2 78   3 100   6 57   2 3.7   0.0 18.0   3.4 1623 S | 172 0.00 35.49 0.149   0.004 534   11 30   10
Jimtown-North (Piccolo Ranch 15) 5/25/26 70.4   1.8 1507 51.4   0.7 0614 49.2   0.4 74   2 100   14 47   1 2.5   0.5 14.7   3.1 1915 NNW | 336 0.01 34.88 0.122   0.006 390   54 30   10
HWY 128/Chalk Hill Rd (Landslide) 5/25/26 69.3   1.8 1521 50.9   1.6 0608 49.2   1.8 74   4 96   2 50   1 3.6   0.8 14.5   1.5 1741 SSW | 199 0.00 34.74 0.123   0.003 389   48 30   10
N Chalk Hill Rd (Ranch 63) 5/25/26 67.4   2.5 1541 49.5   2.1 0618 48.1   1.8 73   3 97   7 52   1 3.8   0.8 15.4   2.6 1456 S | 172 0.00 35.63 0.132   0.001 428   24 30   10
Newman Knights Valley 5/25/26 66.9   3.3 1415 50.8   1.1 0557 49.4   1.3 77   2 87   1 64   0 3.8   0.4 15.5   2.3 1347 SW | 233 0.00 35.06 - - 30   10
Knights Valley (Bavarian Lion) 5/25/26 67.7   2.7 1442 49.6   1.0 0551 48.0   2.2 76   4 95   0 51   1 4.4   1.0 16.8   1.8 1505 WSW | 241 0.00 34.75 0.140   0.005 489   2 40   10
Red Tail 5/25/26 65.5   3.0 1433 50.1   1.5 0602 49.4   1.6 78   4 92   1 62   0 4.0   0.5 20.0   4.5 1612 SSE | 155 0.00 35.82 0.134   0.010 484   17 30   10
Franz Valley (Stornetta) 5/25/26 66.0   3.0 1312 49.9   1.1 0619 47.6   2.3 - 94   0 51   1 2.5   0.2 13.9   1.3 1747 S | 186 0.00 35.29 - - 70   10
Upper Dry Creek Valley 5/25/26 72.5   2.9 1444 52.6   0.0 0636 48.9   1.9 69   3 95   7 44   2 3.8   0.3 18.1   4.6 1845 WNW | 297 0.00 39.08 0.167   0.010 548   42 60   10
Lower Dry Creek Valley 5/25/26 72.0   1.1 1531 51.8   0.9 0551 49.0   1.1 71   2 100   14 43   8 3.6   0.5 19.2   4.0 1729 WNW | 284 0.00 38.16 0.167   0.021 551   52 30   10
Max   73.7 - 53.0 - 50.9 83 100 64 6.0 27.2 - - 0.02 42.15 0.171 618 -
Avg   - - - - 49.0 76 - - 3.8 - - - - - - - -
Min   65.5 - 44.3 - 46.0 69 87 43 2.5 13.9 - - 0.00 25.50 0.122 389 -

Sonoma County-Central Daily Obs

37 Stations

Daily Data | America/Los_Angeles
as of 5/26/26 10:46 AM PDT
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) 5/25/26 67.7   1.3 1145 50.8   1.6 0543 49.4   1.5 76 85   1 58   4 0.1 12.4   12.4 1503 0.00 34.10 0.131   0.000 497   1 10
Windsor-East (Ranch 16) 5/25/26 64.1   2.1 1359 50.4   1.3 0530 48.5   2.2 76 99   6 56   2 4.0 15.5   2.5 1623 0.01 27.01 0.113   0.008 367   85 30
Mark West-North (Ranch 14) 5/25/26 64.7   0.5 1359 50.3   1.2 0520 48.2   2.2 75 97   4 55   5 2.2 14.2   1.4 1444 0.00 29.03 0.019   0.001 0   0 60
Windsor-SE (Silk Rd) 5/25/26 65.0   1.7 1455 51.0   1.4 0551 48.7   2.6 75 97   1 55   3 3.8 18.5   6.9 1621 0.00 26.48 0.133   0.008 471   4 30
Fulton-NW (Ranch 5) 5/25/26 64.1   1.4 1412 50.4   1.3 0511 48.8   2.3 76 97   2 57   3 3.9 16.2   2.0 1800 0.00 29.89 0.116   0.005 397   63 50
Bisordi (Fulton) 5/25/26 63.4   2.3 1423 50.7   0.7 0516 50.0   1.7 79 95   1 65   3 3.8 16.6   3.4 1416 0.00 24.35 0.111   0.009 396   74 50
Windsor-South (Laughlin Rd) 5/25/26 66.7   1.0 1532 50.6   1.5 0555 48.3   2.2 72 94   2 53   4 - - - 0.00 28.55 - - 20
Fulton-SE (Barnes Rd) 5/25/26 62.3   2.9 1438 50.9   1.1 0542 48.6   2.1 76 94   0 62   0 4.2 16.5   3.3 1441 0.00 28.57 - - 20
Fulton-SW (Ranch 21) 5/25/26 63.7   0.9 1419 50.1   1.8 0506 48.3   2.4 77 100   7 0   63 5.2 18.0   3.1 1357 0.00 29.17 0.118   0.001 407   49 60
NW Santa Rosa (Piner Road) 5/25/26 62.4   1.8 1504 50.6   1.1 0509 51.4   2.3 86 100   0 70   1 3.5 19.0   4.9 1404 0.00 23.80 - - 60
River Rd South (Denner Ranch) 5/25/26 64.7   0.2 1504 50.1   1.5 0611 16.4   14.9 50 100   0 0   0 6.8 23.4   4.2 1423 - - - - 70
West Santa Rosa (LOV Vineyard) 5/25/26 62.9   1.4 1504 50.6   1.6 0432 48.6   2.3 77 95   0 61   3 4.1 17.3   2.4 1513 0.00 23.02 0.030   0.008 1   1 60
Guerneville Rd (Prokopakis) 5/25/26 67.3   1.5 1507 51.8   0.7 0526 49.3   2.5 74 93   3 53   3 - - - 0.00 28.14 - - 30
SunnyView Vineyard (SCWC) 5/25/26 62.6   1.7 1514 50.5   1.4 0528 47.8   2.3 75 95   1 58   2 4.9 18.0   2.1 1447 0.00 30.69 0.109   0.002 348   54 70
Guerneville Rd West (Balletto) 5/25/26 62.7   0.9 1416 51.1   1.3 0412 50.1   1.9 80 97   1 66   3 4.9 19.7   5.3 1546 0.00 28.22 - - 60
Sanchietti Ranch 5/25/26 63.6   1.6 1651 52.0   1.0 0449 51.1   1.6 - 94   1 68   3 4.5 20.3   4.0 1732 0.00 28.89 - - 30
Occidental Rd (Sebastopol) 5/25/26 63.9   1.3 1641 50.7   1.4 0414 55.3   0.9 97 100   0 80   8 4.4 19.3   2.6 1815 0.00 11.49 - - 60
Harper's Rest (Windsor-West) 5/25/26 66.2   2.9 1134 49.6   1.5 0534 47.6   2.3 - 94   1 52   1 2.9 15.3   2.1 1618 0.00 34.66 - - 40
Lower Westside Rd (Ranch 12) 5/25/26 65.7   2.9 1421 50.9   1.6 0532 48.1   2.4 73 94   2 54   0 3.5 17.5   4.2 1452 0.00 33.35 - - 20
Guerneville (Laughlin Rd) 5/25/26 63.0   3.9 1418 51.6   0.5 0537 47.8   2.4 73 89   5 58   4 2.9 16.4   1.4 1510 0.00 44.34 - - 20
Korbel (Winery) 5/25/26 65.0   2.6 1451 52.0   0.7 0431 48.3   2.3 73 90   3 57   2 1.8 13.4   1.5 1505 0.00 41.51 - - 50
Forestville (Shone Farms) 5/25/26 66.3   2.1 1434 50.0   1.7 0603 48.5   2.5 74 96   1 57   1 3.5 22.4   9.2 1519 0.00 35.56 0.142   0.009 521   25 30
Forestville-NE (Ranch 30) 5/25/26 64.9   2.6 1456 49.7   1.8 0555 49.3   2.3 78 96   1 62   0 4.6 20.2   2.9 1353 0.00 33.46 0.141   0.011 544   30 20
Foggy Bend (Ranch 41) 5/25/26 64.4   3.8 1434 51.2   2.0 0558 49.8   2.1 77 93   1 64   2 4.9 20.6   6.6 1512 0.00 34.76 0.147   0.012 565   42 30
Last Stop 5/25/26 63.5   3.1 1431 51.0   1.2 0627 49.1   2.3 77 92   1 63   1 3.3 19.6   5.1 1525 0.00 33.76 0.126   0.006 484   22 30
Green Valley Vineyard 5/25/26 62.2   2.5 1450 50.1   1.2 0600 48.6   2.1 79 95   1 61   1 3.9 19.3   3.5 1733 0.00 41.26 0.025   0.018 0   104 50
Park Royal 5/25/26 62.9   1.0 1507 50.7   1.4 0613 48.0   2.3 75 95   0 59   2 - - - 0.00 16.67 - - 60
Merino 5/25/26 63.4   2.6 1516 49.2   2.9 2217 50.6   2.1 83 98   1 67   1 2.6 13.5   1.2 1724 0.00 29.67 0.096   0.017 344   88 60
Green Valley (Sanchietti) 5/25/26 66.7   1.0 1456 51.6   1.0 0425 - - - - - - - - - - - 20
Keefer Ranch (Green Valley) 5/25/26 62.3   1.7 1636 51.2   1.1 0442 49.5   1.8 80 93   1 65   2 - - - 0.00 36.76 - - 60
Graton-West (Dutton Ranch) 5/25/26 62.7   3.2 1507 51.2   1.3 0432 55.6   0.7 98 100   0 80   2 2.5 15.0   0.4 1750 0.00 44.86 - - 60
Graton-South (Mill Station Rd) 5/25/26 60.5   0.3 1715 50.5   0.9 0501 49.0   2.1 81 96   0 66   6 1.9 11.1   1.6 1853 0.00 34.07 - - 60
Occidental (Horseshoe Bend) 5/25/26 57.4   0.9 1136 48.6   0.9 0618 49.2   1.6 - 100   0 73   3 - - - 0.02 37.09 - - 60
Sexton Valley (Jacqueline's Blk) 5/25/26 59.9   1.0 1706 50.7   0.9 0444 50.3   1.8 85 96   1 72   4 3.0 16.2   3.8 1745 0.00 22.51 - - 60
Sebastopol Hills (Burnside Rd) 5/25/26 58.5   0.2 1707 49.0   0.8 0419 49.8   1.7 90 100   0 74   8 3.7 17.4   2.3 1800 0.00 33.47 - - 0
Pleasant Hill 5/25/26 61.1   2.3 1651 49.6   1.1 0452 49.0   1.8 - 96   0 64   1 3.4 15.4   0.4 1610 0.00 31.57 - - 70
Seaview/Fort Ross (Hirsch) 5/25/26 53.6   7.3 1409 45.4   0.2 0440 46.8   1.1 94 97   0 83   13 2.9 13.6   1.5 2058 0.02 53.65 0.054   0.070 222   321 40
Max   67.7 - 52.0 - 55.6 98 100 83 6.8 23.4 - 0.02 53.65 0.147 565 -
Avg   - - - - 48.4 79 - - 3.6 - - - - - - -
Min   53.6 - 45.4 - 16.4 50 85 0 0.1 11.1 - 0.00 11.49 0.019 0 -

Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 5/26/26 10:46 AM PDT
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 5/25/26 58.2   6.6 1153 47.2   1.3 0605 47.5   2.0 98   0 69   10 2.0   0.1 13.4   3.5 1805 SSW | 195 0.04 5.89 0.051   0.032 171   137 70   10
Lower Bennett Valley 5/25/26 58.7   8.4 1150 49.2   1.6 0451 49.1   1.9 100   4 71   11 3.6   0.4 14.3   1.1 1507 WSW | 254 0.00 27.61 0.065   0.052 213   225 50   10
Kenwood (Wildwood) 5/25/26 59.0   10.3 1456 49.0   2.1 0512 48.7   2.0 99   2 69   14 4.1   0.6 14.6   1.3 2351 NNW | 341 0.00 31.95 0.073   0.049 255   197 30   10
Sonoma Valley (Bedrock) 5/25/26 64.2   5.1 1329 49.6   1.3 0610 46.5   2.5 91   0 54   2 - - - - 0.00 27.98 - - 30   10
Sonoma-West (Arnold) 5/25/26 63.9   9.0 1341 51.0   2.3 0534 47.9   2.2 89   2 56   8 5.7   0.9 18.4   0.6 1508 NW | 309 0.00 17.88 0.112   0.067 362   258 60   10
Sonoma Valley HS 5/25/26 64.1   8.0 1457 51.2   2.3 0539 49.9   2.3 93   2 61   6 3.7   0.6 13.9   4.5 1744 WSW | 254 0.00 6.62 0.110   0.049 389   184 30   10
Sonoma East (Bundschu01) 5/25/26 65.5   7.1 1217 51.4   2.2 0545 47.7   2.3 86   0 51   5 6.4   1.0 20.8   0.2 1812 W | 280 0.00 21.64 0.128   0.039 399   164 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) 5/25/26 66.1   6.7 1430 51.1   2.3 0546 48.0   2.2 86   1 51   5 6.2   0.9 16.8   1.0 1430 WSW | 251 0.00 18.49 - - 30   10
Ricci Vineyards (Carneros) 5/25/26 66.0   7.0 1501 50.7   2.4 0603 48.2   2.0 90   3 50   4 7.7   0.2 18.4   0.6 1719 W | 280 0.00 22.95 0.122   0.051 372   207 70   10
Carneros (Ranch 71) 5/25/26 63.5   7.6 1549 49.8   2.5 0551 48.0   2.1 91   2 54   6 10.9   1.7 22.8   1.1 1442 W | 264 0.00 19.86 0.117   0.044 364   185 60   10
Carneros Upper (Ranch 81) 5/25/26 63.8   7.6 1511 49.8   2.6 0557 47.7   2.1 - - 12.9   2.0 26.5   0.1 1831 WSW | 254 - - - - 60   10
Carneros Lower (Ranch 81) 5/25/26 69.4   7.2 1528 51.1   1.5 0615 49.1   2.1 89   2 47   5 1.0 12.5   0.7 1427 NW | 313 0.00 19.42 0.097   0.043 330   144 60   10
Rohnert Park-West (Stony Point) 5/25/26 59.2   5.5 1203 50.4   1.9 0530 50.3   1.7 97   2 73   4 4.8   1.1 18.3   1.9 1752 W | 263 0.00 11.83 - - 50   10
Cartograph Wines Base 5/25/26 57.9   5.8 1213 49.4   1.9 0509 50.2   1.6 98   1 77   6 6.1   1.5 20.5   2.8 1811 SW | 224 0.00 28.36 0.066   0.035 251   159 0   10
Cartograph Wines Remote 5/25/26 59.5   5.8 1209 50.2   1.8 0518 - - - - - - - - - - - 30   10
Rice-Spivak Vineyard 5/25/26 60.5   7.7 1246 49.8   2.0 0503 - - - - - - - - - - - 50   10
Penngrove (Asellus) 5/25/26 61.2   8.2 1430 50.1   2.1 0528 48.5   1.8 93   0 61   8 3.9   0.5 20.4   4.6 1812 WNW | 285 0.00 67.81 - - 60   10
Petaluma (Ranch 10) 5/25/26 63.8   8.0 1456 51.0   2.4 0557 48.4   1.7 93   7 55   8 5.6   0.9 17.2   4.9 1752 WSW | 254 0.00 19.63 0.095   0.054 275   228 20   10
Max   69.4 - 51.4 - 50.3 100 77 12.9 26.5 - - 0.04 67.81 0.128 399 -
Avg   - - - - 48.5 - - 5.6 - - - - - - - -
Min   57.9 - 47.2 - 46.5 86 47 1.0 12.5 - - 0.00 5.89 0.051 171 -