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Latest Observation

25 Stations

Daily Data | America/Los_Angeles
as of 9/26/26 3:37 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) 9/24/26 90.8   0.4 1452 56.9   1.7 0048 40.0   4.9 32   10 56   16 17   1 8.3   1.3 38.1   12.9 1807 NW | 323 0.00 0.33 0.226   0.009 456   59 70   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) 9/25/26 82.8   12.7 1420 51.9   4.6 0724 48.3   3.9 - - - 3.2   0.3 16.1   0.6 1022 NW | 317 0.00 0.12 0.145   0.023 404   1 90   20
Cloverdale-SE (Ranch 38) 9/25/26 82.5   10.2 1500 57.5   0.7 0037 49.8   3.7 58   18 85   18 29   11 6.5   0.9 23.6   6.6 1029 NNW | 342 0.00 0.11 0.153   0.041 389   8 40   20
Geyserville-North (Hoffman) 9/25/26 84.7   9.0 1422 51.4   3.9 0057 49.6   1.9 56   6 84   6 22   4 3.5   1.1 18.2   5.9 1027 NNW | 328 0.00 0.00 0.150   0.007 430   21 50   20
Geyserville (Ranch 3) 9/25/26 82.7   10.0 1436 53.6   4.3 0059 48.1   2.7 52   6 80   7 18   2 4.3   1.6 14.4   1.7 1107 WNW | 299 0.00 0.13 0.153   0.008 397   6 50   20
Geyserville-East (Ranch 40) 9/25/26 85.5   5.4 1536 55.6   4.3 0015 49.8   1.9 58   16 85   21 23   1 4.5   0.1 18.8   1.3 1137 NW | 323 0.00 0.12 0.157   0.035 442   22 20   20
Geyserville-South (Nervo Station) 9/25/26 83.5   8.4 1541 55.2   1.9 0720 - - - - 4.1   0.9 18.8   3.7 1115 W | 277 0.00 0.21 - - 20   20
Peterson (Ranch 09) 9/25/26 84.0   7.2 1456 49.3   3.5 0101 45.9   0.0 52   3 80   13 16   5 4.1   1.9 17.0   5.0 2024 WNW | 284 0.00 0.20 0.168   0.008 453   26 0   0
Crazy Creek Ranch 9/25/26 83.5   9.9 1450 48.6   0.2 0057 48.4   1.3 59   5 87   6 24   2 3.1   1.3 18.6   6.7 1905 NW | 306 0.00 0.23 0.163   0.008 470   26 30   20
Whitton Ranch (201e) 9/25/26 83.5   10.3 1617 45.5   1.9 0101 47.2   1.5 54   4 93   7 18   2 3.4   1.1 15.4   3.2 2026 NNW | 344 0.00 0.29 0.147   0.000 384   19 40   20
Lytton East (Shop Hill Bottom) 9/25/26 83.1   9.5 1529 50.2   2.4 0703 45.7   0.5 52   3 86   4 15   3 4.0   1.3 16.0   2.1 1228 NW | 307 0.00 0.27 0.173   0.000 470   14 30   20
Lytton East (Hill 5) 9/25/26 82.3   9.1 1556 53.9   2.1 0714 46.3   0.6 52   6 78   5 15   4 6.9   2.8 21.3   4.4 1148 WNW | 284 0.00 0.25 0.184   0.005 417   16 80   20
Lytton West Lower (Lew 6) 9/25/26 83.4   8.5 1455 48.9   3.0 0059 45.8   0.8 53   1 86   6 16   2 4.6   2.2 16.9   3.0 1203 W | 263 0.00 0.28 0.179   0.009 475   18 30   20
Lytton West Hill (23PS) 9/25/26 83.2   7.9 1520 53.5   0.1 0702 46.7   0.6 52   6 82   2 16   3 4.4   1.5 15.9   0.8 1139 NW | 311 0.00 0.26 0.181   0.005 488   17 100   20
Big River 9/25/26 84.2   7.7 1520 52.2   1.3 0657 48.5   1.8 57   6 86   4 19   6 2.3   0.7 13.0   1.0 1737 WNW | 292 0.00 0.28 0.142   0.000 410   12 100   20
Jimtown-North (Piccolo Ranch 15) 9/25/26 83.9   9.1 1529 46.8   0.8 0058 45.1   0.7 53   3 78   22 16   3 2.4   1.2 16.2   3.1 1828 W | 280 0.00 0.20 0.140   0.010 411   26 30   20
HWY 128/Chalk Hill Rd (Landslide) 9/25/26 87.4   6.4 1603 47.0   0.8 0052 46.4   2.5 61   2 91   4 15   4 2.1   0.7 14.7   1.8 1424 NW | 314 0.00 0.31 0.139   0.002 385   17 0   10
N Chalk Hill Rd (Ranch 63) 9/25/26 84.2   7.2 1538 45.9   1.2 0706 45.8   2.3 60   2 91   8 17   5 2.6   1.0 14.6   1.8 1424 WNW | 286 0.00 0.29 0.145   0.004 398   9 10   10
Newman Knights Valley 9/25/26 83.4   8.0 1543 46.4   0.5 0101 49.8   4.2 63   1 83   5 37   2 2.3   0.1 16.2   3.0 1445 SW | 228 0.00 0.40 - - 20   20
Knights Valley (Bavarian Lion) 9/25/26 83.6   7.7 1538 43.7   0.9 0043 44.4   2.0 58   4 94   2 15   1 3.0   0.7 14.1   0.0 1823 W | 280 0.00 0.26 0.150   0.008 430   4 40   10
Red Tail 9/25/26 85.0   6.7 1512 50.1   1.9 0735 48.8   1.7 62   4 89   1 16   8 2.8   0.4 13.7   1.0 1417 W | 259 0.00 0.29 0.148   0.010 441   6 90   20
Franz Valley (Stornetta) 9/25/26 84.4   6.1 1527 45.3   0.3 0059 45.1   2.0 - 88   5 15   3 1.6   0.2 15.7   3.2 1632 WNW | 294 0.00 0.43 - - 80   10
Upper Dry Creek Valley 9/25/26 82.2   10.8 1510 55.8   7.6 0059 48.5   2.6 54   7 87   2 13   4 4.2   1.4 16.8   1.8 1849 NW | 309 0.00 0.14 0.169   0.006 470   21 70   10
Lower Dry Creek Valley 9/25/26 83.4   8.8 1505 50.1   3.0 0101 46.3   1.1 54   1 84   16 14   6 5.1   3.3 17.3   1.9 1135 NW | 307 0.00 0.26 0.188   0.031 447   20 80   20
Max   87.4 - 57.5 - 49.8 63 94 37 6.9 23.6 - - 0.00 0.43 0.188 488 -
Avg   - - - - 47.3 56 - - 3.7 - - - - - - - -
Min   82.2 - 43.7 - 44.4 52 78 13 1.6 13.0 - - 0.00 0.00 0.139 384 -

Sonoma County-Central Daily Obs

37 Stations

Daily Data | America/Los_Angeles
as of 9/26/26 3:37 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) 9/25/26 88.4   4.5 1553 52.9   1.1 0632 49.9   2.2 60 83   1 21   4 0.0 8.4   4.2 1830 0.00 0.50 0.122   0.003 442   14 0
Windsor-East (Ranch 16) 9/25/26 85.7   4.8 1522 47.5   0.4 0059 47.2   1.5 59 90   4 19   2 2.3 12.9   0.2 1559 0.00 0.23 0.151   0.018 438   3 70
Mark West-North (Ranch 14) 9/25/26 85.8   6.0 1435 50.1   1.9 0045 47.4   1.1 58 87   7 21   1 1.1 9.1   3.1 1748 0.00 0.24 - - 40
Windsor-SE (Silk Rd) 9/25/26 84.4   6.1 1507 46.0   1.4 0052 48.2   0.0 66 94   2 26   5 1.4 10.9   0.3 1548 0.00 0.32 0.140   0.010 438   0 60
Fulton-NW (Ranch 5) 9/25/26 83.1   6.1 1518 48.5   2.1 0057 48.6   0.1 64 90   2 25   0 1.9 13.8   0.3 1751 0.00 0.23 0.148   0.019 451   3 60
Bisordi (Fulton) 9/25/26 83.3   6.1 1522 45.4   0.7 0059 50.2   0.8 69 92   2 31   1 1.6 13.2   1.5 1231 0.00 0.22 0.150   0.009 484   0 60
Windsor-South (Laughlin Rd) 9/25/26 85.6   5.9 1454 50.0   0.5 0706 49.8   0.2 63 89   3 26   3 - - - 0.00 0.17 - - 60
Fulton-SE (Barnes Rd) 9/25/26 84.9   4.8 1418 50.5   2.7 0715 49.9   0.3 64 87   4 26   1 1.1 11.0   1.5 1741 0.00 0.29 - - 60
Fulton-SW (Ranch 21) 9/25/26 82.8   7.0 1417 47.8   0.4 0056 49.2   0.0 65 89   3 28   3 2.0 14.2   1.3 1508 0.00 0.20 0.157   0.010 488   14 60
NW Santa Rosa (Piner Road) 9/25/26 82.8   6.1 1512 45.7   0.8 0050 52.3   0.6 75 100   0 33   3 1.4 14.1   0.1 1500 0.00 0.00 - - 60
River Rd South (Denner Ranch) 9/25/26 83.9   5.3 1344 47.6   1.8 0659 12.7   2.5 39 100   0 0   0 2.4 17.1   2.2 1540 - - - - 40
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) 9/25/26 85.4   5.7 1352 46.4   1.3 0045 48.9   0.1 65 93   2 27   3 - - - 0.00 0.24 - - 20
SunnyView Vineyard (SCWC) 9/25/26 83.0   6.7 1456 44.4   0.9 0059 47.6   0.3 67 91   4 27   5 1.5 13.2   0.9 1510 0.00 0.27 0.131   0.004 396   17 30
Guerneville Rd West (Balletto) 9/25/26 83.5   5.2 1508 45.5   0.2 0059 50.5   0.0 70 92   2 33   5 1.6 12.3   1.1 1509 0.00 0.43 - - 60
Sanchietti Ranch 9/25/26 83.8   5.7 1505 45.8   0.3 0059 51.6   0.1 - 92   3 35   5 2.1 14.8   0.4 1443 0.00 0.28 - - 60
Occidental Rd (Sebastopol) 9/25/26 83.4   5.2 1441 45.9   0.3 0046 54.8   0.1 82 100   0 37   4 1.6 13.8   1.1 1425 0.00 0.20 - - 60
Harper's Rest (Windsor-West) 9/25/26 85.5   5.4 1509 47.9   0.9 0059 47.6   0.5 - 92   1 23   5 1.5 11.4   1.7 1242 0.00 0.45 - - 50
Lower Westside Rd (Ranch 12) 9/25/26 84.4   6.4 1512 47.7   2.0 0056 48.2   0.3 64 90   4 24   6 1.3 11.5   0.1 1419 0.00 0.45 - - 70
Guerneville (Laughlin Rd) 9/25/26 83.0   4.5 1411 46.5   1.5 0052 48.3   0.3 65 92   1 22   4 2.0 15.4   1.0 1414 0.00 0.81 - - 70
Korbel (Winery) 9/25/26 83.1   5.5 1311 47.5   0.8 0059 49.8   0.2 67 96   4 24   1 0.8 12.3   1.6 1457 0.00 0.52 - - 100
Forestville (Shone Farms) 9/25/26 84.6   7.6 1431 50.3   1.7 0054 50.3   0.0 63 90   3 28   11 1.5 11.8   1.2 1520 0.00 0.43 0.137   0.009 433   3 70
Forestville-NE (Ranch 30) 9/25/26 83.9   7.9 1437 46.7   0.9 0059 51.0   1.0 70 96   2 31   8 1.7 12.1   3.4 1528 0.00 0.40 0.144   0.008 450   4 30
Foggy Bend (Ranch 41) 9/25/26 82.8   8.4 1412 47.8   0.2 0101 52.3   1.2 71 95   2 37   7 1.6 13.7   2.0 1501 0.00 0.42 0.137   0.009 436   0 70
Last Stop 9/25/26 84.2   9.2 1340 46.9   0.2 0058 50.1   0.2 69 95   2 32   11 1.6 13.2   1.7 1526 0.00 0.39 0.140   0.011 447   5 30
Green Valley Vineyard 9/25/26 81.6   7.4 1338 48.9   1.3 0031 49.8   0.4 64 91   0 31   12 1.8 14.5   1.3 1447 0.00 0.57 0.032   0.007 1   3 70
Park Royal 9/25/26 82.8   6.7 1510 47.1   0.6 0101 48.1   0.3 63 90   3 27   6 - - - 0.00 0.21 - - 60
Merino 9/25/26 86.2   5.3 1531 44.5   0.7 0059 50.5   0.3 72 100   0 30   5 1.5 11.1   0.7 1625 0.00 0.33 0.148   0.007 472   9 30
Green Valley (Sanchietti) 9/25/26 81.3   6.7 1429 47.8   2.4 0705 - - - - - - - - - - - 70
Keefer Ranch (Green Valley) 9/25/26 81.0   7.0 1413 44.8   0.7 0058 50.5   0.1 74 97   1 33   8 - - - 0.00 0.48 - - 70
Graton-West (Dutton Ranch) 9/25/26 83.0   6.5 1327 45.7   0.9 0052 62.1   3.4 100 100   0 99   1 1.4 15.5   4.8 1305 0.00 0.61 - - 70
Graton-South (Mill Station Rd) 9/25/26 80.5   4.8 1416 45.5   1.8 0055 49.7   0.7 71 94   2 30   1 0.5 7.4   0.7 1553 0.00 0.41 - - 90
Occidental (Horseshoe Bend) 9/25/26 77.4   7.6 1335 51.9   6.7 2351 51.3   3.2 - 94   26 42   17 - - - 0.00 0.75 - - 50
Sexton Valley (Jacqueline's Blk) 9/25/26 82.0   6.2 1349 46.4   0.7 0059 52.2   0.5 75 99   1 39   5 1.6 12.8   1.7 1541 0.00 0.27 - - 80
Sebastopol Hills (Burnside Rd) 9/25/26 78.4   4.0 1424 54.4   2.7 0023 53.5   2.4 68 95   17 39   2 1.8 12.5   2.4 1436 0.00 0.00 - - 80
Pleasant Hill 9/25/26 81.7   6.3 1431 48.5   2.8 0059 51.4   1.8 - 93   0 32   6 2.1 12.5   0.5 1546 0.00 0.49 - - 40
Seaview/Fort Ross (Hirsch) 9/25/26 72.1   7.8 1320 54.0   5.0 0057 49.5   5.5 70 92   36 37   13 5.4 17.0   3.1 1253 0.00 0.07 0.137   0.024 480   18 30
Max   88.4 - 54.4 - 62.1 100 100 99 5.4 17.1 - 0.00 0.81 0.157 488 -
Avg   - - - - 49.3 67 - - 1.7 - - - - - - -
Min   72.1 - 44.4 - 12.7 39 83 0 0.0 7.4 - 0.00 0.00 0.032 1 -

Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 9/26/26 3:37 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 9/25/26 81.7   6.9 1439 51.3   8.9 0018 47.5   0.5 91   25 17   4 2.0   0.0 13.7   3.3 1208 SW | 234 0.00 0.02 0.113   0.007 339   20 50   10
Lower Bennett Valley 9/25/26 80.6   9.8 1408 43.2   2.2 0055 48.6   0.1 94   6 32   12 2.8   0.1 15.7   0.9 1633 SSE | 160 0.00 0.39 0.137   0.023 412   14 60   20
Kenwood (Wildwood) 9/25/26 81.6   11.0 1421 47.1   1.3 0056 47.5   0.9 89   5 29   10 2.8   0.2 13.9   0.5 1502 NNW | 330 0.00 0.21 0.137   0.018 404   19 60   20
Sonoma Valley (Bedrock) 9/25/26 82.1   10.8 1500 48.0   0.9 0059 46.0   0.8 86   4 24   8 - - - - 0.00 0.29 - - 60   20
Sonoma-West (Arnold) 9/25/26 84.1   9.5 1334 45.7   4.1 0101 47.3   0.1 86   4 25   8 3.0   0.6 19.2   0.1 1620 SW | 229 0.00 0.35 0.174   0.004 518   33 80   20
Sonoma Valley HS 9/25/26 81.6   9.3 1411 49.4   0.7 0047 52.2   0.4 95   5 40   12 1.9   0.4 6.6   4.6 1844 S | 189 0.00 0.01 0.142   0.010 461   20 60   20
Sonoma East (Bundschu01) 9/25/26 81.2   9.9 1528 47.4   0.1 0059 49.4   1.1 87   6 32   8 3.0   0.3 18.8   3.1 1601 W | 260 0.00 0.23 0.150   0.016 454   10 70   20
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) 9/25/26 83.0   9.0 1428 49.9   2.1 2344 49.9   1.7 88   4 31   9 2.7   0.8 16.2   1.0 1429 WNW | 284 0.00 0.18 - - 70   20
Ricci Vineyards (Carneros) 9/25/26 81.4   8.6 1525 48.4   0.2 2355 51.7   2.8 92   3 31   7 4.8   1.5 15.4   0.2 1611 WSW | 257 0.00 0.12 0.158   0.021 463   7 50   10
Carneros (Ranch 71) 9/25/26 79.6   8.8 1505 55.0   4.2 0054 51.2   1.5 87   12 32   7 4.8   1.2 21.7   0.4 1625 W | 262 0.00 0.07 0.154   0.024 448   11 50   20
Carneros Upper (Ranch 81) 9/25/26 80.6   7.9 1424 55.4   4.5 0059 50.9   1.1 - - 8.4   1.4 23.2   0.4 1750 WSW | 254 - - - - 50   20
Carneros Lower (Ranch 81) 9/25/26 84.5   3.5 1547 47.3   4.4 0059 51.7   1.7 90   10 31   31 1.0   0.3 14.6   2.5 1423 SSW | 200 0.00 0.01 0.028   0.039 33   85 50   20
Rohnert Park-West (Stony Point) 9/25/26 79.8   7.0 1427 43.4   0.3 0056 51.1   1.1 97   2 39   5 1.4   0.0 18.4   2.6 1546 W | 277 0.00 0.21 - - 50   20
Cartograph Wines Base 9/25/26 78.2   5.2 1411 52.3   1.0 0059 54.3   1.5 96   5 44   7 3.5   0.0 22.3   2.5 1506 SW | 236 0.00 0.32 0.136   0.015 440   8 60   20
Cartograph Wines Remote 9/25/26 78.7   7.8 1222 48.3   0.1 0057 - - - - - - - - - - - 80   20
Rice-Spivak Vineyard 9/25/26 80.2   6.8 1347 41.2   0.4 0101 - - - - - - - - - - - 80   20
Penngrove (Asellus) 9/25/26 80.2   10.8 1309 43.9   1.3 0101 49.5   1.4 94   0 34   12 2.2   0.3 14.3   0.9 1455 SSW | 201 0.00 0.57 - - 20   20
Petaluma (Ranch 10) 9/25/26 79.5   12.4 1310 46.3   0.2 0058 51.0   3.1 95   1 35   12 2.6   0.9 14.9   2.9 1557 W | 262 0.00 0.09 0.137   0.010 413   8 60   20
Max   84.5 - 55.4 - 54.3 97 44 8.4 23.2 - - 0.00 0.57 0.174 518 -
Avg   - - - - 50.0 - - 3.1 - - - - - - - -
Min   78.2 - 41.2 - 46.0 86 17 1.0 6.6 - - 0.00 0.01 0.028 33 -