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Latest Observation

25 Stations

Daily Data | America/Los_Angeles
as of 9/30/26 12:26 PM 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) 9/29/26 86.5   3.6 1513 58.7   10.9 0635 40.0   2.1 35   16 52   36 15   5 10.7   1.3 25.9   0.2 2234 NNW | 335 0.00 0.33 0.248   0.051 493   8 50   10
Rockpile Lower (Cooley) 9/29/26 90.0   4.6 1536 60.3   10.8 0317 40.8   2.6 34   17 53   33 13   5 4.3   0.6 19.4   3.3 1504 WNW | 282 0.00 0.33 - - 40   10
Cloverdale-East (Ranch 83) 9/29/26 96.3   7.2 1526 60.0   17.1 0747 43.4   2.0 - - - 4.3   1.6 17.8   4.1 0733 N | 1 0.00 0.12 0.183   0.036 418   6 80   10
Cloverdale-SE (Ranch 38) 9/29/26 94.7   7.8 1454 61.5   13.1 0746 44.9   2.7 37   19 56   35 17   10 8.9   2.9 22.4   3.3 0950 NNE | 15 0.00 0.11 0.238   0.071 401   4 60   10
Geyserville-North (Hoffman) 9/29/26 98.1   12.3 1537 53.6   12.5 0126 45.9   2.3 40   28 72   25 15   17 3.5   1.7 14.6   1.3 0940 WNW | 290 0.00 0.00 0.186   0.046 447   4 90   10
Geyserville (Ranch 3) 9/29/26 96.4   11.0 1603 53.4   11.5 0139 42.8   4.1 37   30 73   27 12   16 4.6   2.8 15.6   3.9 1554 NNW | 334 0.00 0.13 0.197   0.063 416   15 70   10
Geyserville-East (Ranch 40) 9/29/26 97.1   13.2 1543 56.8   10.7 0711 45.8   3.3 39   25 67   30 16   17 4.7   0.3 20.9   3.2 1627 WNW | 285 0.00 0.12 0.199   0.036 457   1 70   10
Geyserville-South (Nervo Station) 9/29/26 97.6   13.6 1255 55.8   9.8 0622 - - - - 4.1   2.3 20.2   9.1 1727 W | 274 0.00 0.22 - - 70   10
Peterson (Ranch 09) 9/29/26 97.3   13.6 1522 44.4   3.7 0654 41.8   3.6 45   22 93   3 10   17 4.4   2.7 16.9   4.7 1707 WNW | 293 0.00 0.20 0.204   0.072 442   15 20   10
Crazy Creek Ranch 9/29/26 97.1   11.7 1534 46.7   5.4 0647 45.9   2.3 49   22 90   9 15   16 3.1   1.5 17.4   5.5 1629 WSW | 257 0.00 0.24 0.198   0.057 482   8 80   10
Whitton Ranch (201e) 9/29/26 97.7   12.9 1513 42.2   4.2 0435 43.0   3.1 48   23 100   0 12   16 3.3   1.7 14.6   3.3 1708 WNW | 294 0.00 0.29 0.176   0.053 378   6 90   10
Lytton East (Shop Hill Bottom) 9/29/26 96.9   13.3 1424 45.0   3.1 0634 41.9   5.7 44   27 95   5 10   18 3.8   1.6 18.3   5.0 1657 NW | 318 0.00 0.27 0.211   0.065 473   17 80   10
Lytton East (Hill 5) 9/29/26 95.6   12.5 1455 51.1   5.8 0444 43.5   4.9 43   27 91   7 12   19 5.7   2.6 22.4   4.9 1713 WNW | 299 0.00 0.25 0.230   0.091 416   11 90   10
Lytton West Lower (Lew 6) 9/29/26 96.2   11.8 1503 42.7   1.5 0556 41.7   5.5 45   26 100   0 11   19 4.0   2.0 17.5   3.1 1628 WNW | 300 0.00 0.28 0.219   0.075 480   18 100   10
Lytton West Hill (23PS) 9/29/26 96.5   13.8 1527 49.2   3.2 0615 43.5   5.5 44   27 99   1 10   20 4.1   1.7 15.3   0.5 1737 NNW | 327 0.00 0.26 0.219   0.069 492   13 100   0
Big River 9/29/26 96.9   13.9 1549 50.7   6.3 0421 46.5   3.1 45   28 90   10 15   16 2.1   0.5 13.9   0.4 1751 W | 275 0.00 0.28 0.175   0.040 477   36 90   10
Jimtown-North (Piccolo Ranch 15) 9/29/26 97.1   12.6 1538 44.8   4.9 0622 41.3   3.9 44   24 100   0 11   13 2.8   1.7 16.5   4.6 1707 WNW | 283 0.00 0.20 0.169   0.050 411   11 80   10
HWY 128/Chalk Hill Rd (Landslide) 9/29/26 99.4   13.9 1530 42.8   2.5 0647 43.8   2.5 52   17 95   2 11   14 1.9   0.4 13.1   0.2 1616 W | 269 0.00 0.31 0.156   0.031 400   8 50   10
N Chalk Hill Rd (Ranch 63) 9/29/26 97.2   14.9 1545 41.4   2.8 0710 42.8   2.6 50   19 99   1 12   17 2.5   0.9 13.0   1.4 0953 NW | 312 0.00 0.29 0.166   0.039 409   3 60   10
Newman Knights Valley 9/29/26 97.5   14.3 1610 42.6   0.2 0714 52.0   3.2 60   11 88   2 35   10 2.8   0.8 14.6   2.5 1704 SW | 230 0.00 0.40 - - 70   10
Knights Valley (Bavarian Lion) 9/29/26 96.7   12.9 1620 40.4   1.1 0643 41.4   3.2 53   16 96   2 10   11 2.7   0.9 12.9   0.5 1512 NW | 312 0.00 0.26 0.178   0.040 455   7 100   0
Red Tail 9/29/26 98.0   16.1 1507 51.7   10.5 0125 47.5   0.5 44   26 81   14 16   17 3.1   0.7 13.3   1.7 1641 WSW | 244 0.00 0.29 0.174   0.033 462   5 90   10
Franz Valley (Stornetta) 9/29/26 97.3   14.4 1608 41.7   3.9 0645 41.4   2.1 - 93   2 11   15 1.7   0.4 14.1   3.5 1452 NNW | 335 0.00 0.43 - - 100   0
Upper Dry Creek Valley 9/29/26 95.8   9.7 1511 49.6   8.1 0708 43.5   3.7 42   25 87   10 12   16 3.3   1.3 16.4   5.0 1745 W | 272 0.00 0.14 0.198   0.044 482   0 90   10
Lower Dry Creek Valley 9/29/26 97.8   14.8 1454 43.2   1.0 0630 42.7   5.4 47   26 100   0 10   20 4.8   3.2 17.9   3.7 1614 NW | 316 0.00 0.26 0.227   0.091 450   20 100   0
Max   99.4 - 61.5 - 52.0 60 100 35 10.7 25.9 - - 0.00 0.43 0.248 493 -
Avg   - - - - 43.7 44 - - 4.1 - - - - - - - -
Min   86.5 - 40.4 - 40.0 34 52 10 1.7 12.9 - - 0.00 0.00 0.156 378 -

Sonoma County-Central Daily Obs

37 Stations

Daily Data | America/Los_Angeles
as of 9/30/26 12:26 PM 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) 9/29/26 101.2   17.5 1540 47.6   1.0 0642 47.9   1.9 51 86   2 14   21 0.7 15.9   15.4 1759 0.00 0.50 0.152   0.033 466   23 20
Windsor-East (Ranch 16) 9/29/26 100.4   20.2 1634 43.0   1.0 0657 42.9   4.8 47 100   0 10   21 2.1 13.4   1.8 1548 0.00 0.23 0.171   0.026 458   7 60
Mark West-North (Ranch 14) 9/29/26 98.9   18.3 1547 44.8   0.9 0634 44.2   3.8 53 97   0 10   22 0.7 8.0   4.0 1417 0.00 0.24 - - 30
Windsor-SE (Silk Rd) 9/29/26 97.5   16.7 1554 41.3   0.9 0641 44.1   4.2 57 97   2 11   19 1.2 11.8   1.2 1806 0.00 0.32 0.157   0.024 464   22 20
Fulton-NW (Ranch 5) 9/29/26 96.5   18.1 1553 43.0   0.7 0618 45.4   9.0 56 95   5 13   10 1.5 11.3   3.6 1407 0.00 0.23 0.163   0.019 474   14 20
Bisordi (Fulton) 9/29/26 96.4   17.1 1432 41.6   0.1 0611 47.6   1.4 62 96   1 16   23 1.4 10.4   0.6 1635 0.00 0.22 0.169   0.030 507   25 20
Windsor-South (Laughlin Rd) 9/29/26 98.8   19.1 1532 45.1   1.2 0600 46.2   2.5 56 94   6 12   12 - - - 0.00 0.17 - - 20
Fulton-SE (Barnes Rd) 9/29/26 97.2   18.6 1426 44.9   0.5 0658 47.4   1.6 57 94   1 14   23 0.3 9.3   1.2 1744 0.00 0.29 - - 20
Fulton-SW (Ranch 21) 9/29/26 95.9   17.8 1427 42.9   0.4 0710 45.5   24.3 56 94   6 13   12 2.0 12.2   1.0 1616 0.00 0.20 0.179   0.033 501   28 20
NW Santa Rosa (Piner Road) 9/29/26 96.6   19.2 1354 41.4   0.7 0706 48.3   2.7 63 100   0 16   24 1.3 11.8   1.0 1419 0.00 0.00 - - 20
River Rd South (Denner Ranch) 9/29/26 97.1   18.7 1601 41.5   0.6 0617 8.1   19.2 28 100   0 0   0 2.3 14.2   1.3 1459 - - - - 30
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) 9/29/26 99.0   15.8 1509 41.2   1.7 0647 45.1   3.8 57 96   4 12   16 - - - 0.00 0.24 - - 10
SunnyView Vineyard (SCWC) 9/29/26 96.3   18.0 1515 40.2   0.9 0701 43.8   3.7 58 95   5 12   22 1.6 13.0   0.9 1433 0.00 0.27 0.149   0.032 390   9 20
Guerneville Rd West (Balletto) 9/29/26 96.0   17.7 1552 41.3   2.2 0700 47.5   2.4 61 96   2 15   21 1.7 11.9   0.9 1539 0.00 0.43 - - 20
Sanchietti Ranch 9/29/26 94.9   17.5 1603 41.6   3.4 0701 49.7   0.9 - 97   0 19   25 2.2 13.5   0.4 1424 0.00 0.28 - - 20
Occidental Rd (Sebastopol) 9/29/26 95.9   16.6 1347 41.7   1.7 0704 51.0   2.1 71 100   0 21   22 1.8 14.5   0.6 1447 0.00 0.20 - - 20
Harper's Rest (Windsor-West) 9/29/26 99.1   14.3 1634 43.6   1.0 0712 44.5   3.6 - 98   1 11   11 1.3 12.4   2.4 1743 0.00 0.45 - - 60
Lower Westside Rd (Ranch 12) 9/29/26 99.1   15.2 1546 42.9   1.2 0659 44.6   3.9 57 99   1 11   12 0.9 9.8   1.4 1405 0.00 0.45 - - 60
Guerneville (Laughlin Rd) 9/29/26 94.3   15.8 1408 42.1   4.2 0709 46.5   2.3 63 95   1 15   22 1.2 12.0   1.3 1425 0.00 0.81 - - 60
Korbel (Winery) 9/29/26 94.9   15.6 1455 43.6   3.2 0659 48.1   1.7 64 100   3 12   20 0.7 10.7   4.7 1332 0.00 0.52 - - 90
Forestville (Shone Farms) 9/29/26 98.8   14.2 1642 46.2   0.4 0709 47.0   2.9 55 95   2 13   11 1.2 9.8   0.4 1403 0.00 0.43 0.152   0.022 465   32 30
Forestville-NE (Ranch 30) 9/29/26 98.2   12.9 1717 43.6   0.4 0441 48.9   1.6 62 99   0 17   10 1.3 11.4   0.6 1357 0.00 0.40 0.162   0.024 476   27 80
Foggy Bend (Ranch 41) 9/29/26 96.7   14.3 1642 44.5   0.0 0439 51.7   0.1 65 97   0 25   10 1.3 10.4   3.1 1354 0.00 0.42 0.152   0.023 461   20 60
Last Stop 9/29/26 96.7   12.3 1642 43.5   0.1 0505 47.9   2.0 62 98   0 17   13 1.4 11.8   0.9 1403 0.00 0.39 0.155   0.022 468   26 50
Green Valley Vineyard 9/29/26 95.2   14.5 1611 47.0   1.1 0511 47.5   2.3 57 97   2 13   15 1.5 12.7   1.3 1403 0.00 0.57 0.043   0.010 24   10 30
Park Royal 9/29/26 95.4   18.0 1606 41.9   0.6 0704 44.6   3.4 56 93   4 12   23 - - - 0.00 0.21 - - 20
Merino 9/29/26 99.0   19.2 1534 39.6   1.3 0706 47.5   2.1 64 100   0 16   21 1.4 9.5   2.0 1334 0.00 0.33 0.163   0.026 488   21 0
Green Valley (Sanchietti) 9/29/26 96.1   14.3 1640 41.8   1.6 0715 - - - - - - - - - - - 60
Keefer Ranch (Green Valley) 9/29/26 95.9   14.9 1642 41.5   0.7 0708 48.6   1.4 67 98   0 17   17 - - - 0.00 0.48 - - 30
Graton-West (Dutton Ranch) 9/29/26 97.2   15.2 1602 42.2   0.8 0704 66.2   7.3 100 100   0 100   0 1.1 10.9   0.1 1439 0.00 0.61 - - 90
Graton-South (Mill Station Rd) 9/29/26 93.7   17.3 1538 39.8   1.4 0722 46.6   3.0 62 96   3 16   22 0.4 6.8   1.3 1449 0.00 0.41 - - 50
Occidental (Horseshoe Bend) 9/29/26 91.9   14.5 1352 55.0   10.0 0312 47.9   2.2 - 79   21 16   21 - - - 0.00 0.75 - - 40
Sexton Valley (Jacqueline's Blk) 9/29/26 93.8   18.2 1535 43.2   1.2 0259 50.7   0.1 67 100   1 21   23 0.9 11.7   0.3 1441 0.00 0.27 - - 40
Sebastopol Hills (Burnside Rd) 9/29/26 92.2   19.2 1514 53.1   4.8 0111 50.5   0.9 53 93   7 21   25 1.6 12.7   1.5 1431 0.00 0.00 - - 40
Pleasant Hill 9/29/26 93.3   16.7 1501 48.0   0.6 0247 48.2   1.3 - 97   0 15   22 2.0 12.4   0.5 1446 0.00 0.49 - - 30
Seaview/Fort Ross (Hirsch) 9/29/26 87.6   13.3 1528 64.7   15.1 0122 39.8   6.0 27 42   44 17   13 4.2 14.9   3.9 1844 0.00 0.07 0.201   0.055 485   3 20
Max   101.2 - 64.7 - 66.2 100 100 100 4.2 15.9 - 0.00 0.81 0.201 507 -
Avg   - - - - 46.4 59 - - 1.4 - - - - - - -
Min   87.6 - 39.6 - 8.1 27 42 0 0.3 6.8 - 0.00 0.00 0.043 24 -

Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 9/30/26 12:26 PM 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 9/29/26 96.0   17.8 1549 56.9   11.2 0326 41.6   5.0 59   38 11   23 2.0   0.2 13.0   1.1 1338 S | 184 0.00 0.02 0.133   0.026 343   2 60   10
Lower Bennett Valley 9/29/26 95.4   16.0 1424 41.9   1.4 0252 44.8   3.0 100   0 12   19 1.9   0.5 13.4   0.7 1332 NNW | 336 0.00 0.39 0.165   0.031 452   7 20   10
Kenwood (Wildwood) 9/29/26 96.0   15.6 1437 46.0   4.9 0209 44.9   1.8 95   5 13   17 2.4   0.1 14.9   1.7 1548 NNW | 340 0.00 0.21 0.160   0.027 433   4 50   10
Sonoma Valley (Bedrock) 9/29/26 95.9   14.2 1522 42.3   2.3 0640 43.4   0.9 96   0 12   10 - - - - 0.00 0.29 - - 80   10
Sonoma-West (Arnold) 9/29/26 96.3   12.8 1422 42.8   2.0 0524 44.6   0.8 93   2 13   14 2.4   0.0 17.2   0.2 1518 WSW | 250 0.00 0.35 0.195   0.035 524   33 90   10
Sonoma Valley HS 9/29/26 95.1   12.7 1625 45.1   1.1 0702 51.0   1.1 100   0 19   15 1.5   0.1 11.4   3.3 1521 WNW | 301 0.00 0.01 0.157   0.027 467   29 20   10
Sonoma East (Bundschu01) 9/29/26 93.9   9.7 1518 41.8   0.7 0654 45.6   0.9 95   0 14   12 2.3   0.1 15.6   1.5 1523 SW | 228 0.00 0.23 0.174   0.031 484   41 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) 9/29/26 94.9   11.1 1521 43.2   1.9 0557 46.0   0.8 94   0 14   11 1.5   0.5 15.8   1.7 1604 WSW | 256 0.00 0.18 - - 60   10
Ricci Vineyards (Carneros) 9/29/26 93.5   11.5 1517 43.1   0.2 0556 48.5   0.7 96   0 15   12 3.3   0.1 17.7   0.4 1651 WNW | 283 0.00 0.12 0.184   0.034 495   35 40   10
Carneros (Ranch 71) 9/29/26 91.7   11.3 1526 52.3   4.9 0655 50.5   1.0 91   4 15   12 3.3   0.4 21.9   0.5 1623 WSW | 256 0.00 0.07 0.178   0.036 476   54 10   10
Carneros Upper (Ranch 81) 9/29/26 91.8   10.9 1538 52.8   3.5 0646 51.1   3.9 - - 3.6   1.2 24.5   1.2 1633 SW | 228 - - - - 10   10
Carneros Lower (Ranch 81) 9/29/26 96.1   12.2 1608 45.3   1.5 0704 47.8   6.9 100   0 0   0 1.2   0.3 12.9   1.5 1502 SSE | 165 0.00 0.01 0.026   0.008 3   2 40   10
Rohnert Park-West (Stony Point) 9/29/26 91.7   16.9 1330 39.2   1.4 0451 47.4   1.7 99   0 23   22 1.7   0.5 17.3   3.7 1439 W | 266 0.00 0.21 - - 10   10
Cartograph Wines Base 9/29/26 88.7   16.0 1237 48.8   1.9 0722 51.9   0.9 98   2 28   24 3.4   0.4 19.0   2.6 1449 SW | 223 0.00 0.32 0.166   0.050 463   33 20   10
Cartograph Wines Remote 9/29/26 89.0   14.7 1230 44.5   0.0 0708 - - - - - - - - - - - 40   10
Rice-Spivak Vineyard 9/29/26 91.5   16.0 1241 38.2   0.2 0620 - - - - - - - - - - - 40   10
Penngrove (Asellus) 9/29/26 92.6   13.7 1345 41.9   1.6 0655 45.3   2.6 98   0 17   17 1.9   0.1 14.5   2.8 1320 WNW | 285 0.02 0.59 - - 0   0
Petaluma (Ranch 10) 9/29/26 93.7   13.4 1324 42.0   3.1 0716 45.2   3.2 98   3 17   16 1.6   0.0 14.7   2.9 1456 WSW | 257 0.00 0.09 0.151   0.028 419   11 50   10
Max   96.3 - 56.9 - 51.9 100 28 3.6 24.5 - - 0.02 0.59 0.195 524 -
Avg   - - - - 46.9 - - 2.3 - - - - - - - -
Min   88.7 - 38.2 - 41.6 59 0 1.2 11.4 - - 0.00 0.01 0.026 3 -