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Latest Observation

25 Stations

Daily Data | America/Los_Angeles
as of 9/28/26 10:37 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) 9/27/26 75.9   0.4 1525 48.0   0.9 2315 40.0   2.9 57   2 91   5 11   12 7.5   1.4 28.9   9.4 1754 NNW | 331 0.00 0.33 0.143   0.008 371   20 40   10
Rockpile Lower (Cooley) 9/27/26 80.4   2.0 1510 51.9   0.5 2359 40.6   3.5 54   0 82   1 8   15 3.9   1.5 23.1   10.1 1741 WNW | 296 0.00 0.33 - - 30   10
Cloverdale-East (Ranch 83) 9/27/26 84.8   5.8 1615 45.1   1.2 0059 45.4   1.5 - - - 1.3   0.7 11.2   0.6 1300 N | 1 0.00 0.12 0.113   0.007 376   70 100   0
Cloverdale-SE (Ranch 38) 9/27/26 82.9   5.7 1619 51.0   0.3 0051 48.5   0.6 67   7 92   6 17   15 3.2   1.1 15.4   1.4 1650 SSE | 157 0.00 0.11 0.124   0.004 362   73 50   10
Geyserville-North (Hoffman) 9/27/26 81.7   3.1 1532 43.7   0.8 0048 50.2   2.0 71   7 94   1 39   8 1.8   0.0 12.4   2.8 1649 SE | 138 0.00 0.00 0.116   0.010 368   54 90   20
Geyserville (Ranch 3) 9/27/26 79.4   1.1 1620 45.6   1.6 0059 49.0   2.4 69   7 100   0 33   8 1.7   0.0 11.6   1.6 1652 S | 170 0.00 0.13 0.110   0.008 336   45 90   20
Geyserville-East (Ranch 40) 9/27/26 79.3   3.5 1556 50.0   0.3 0000 51.0   2.5 76   11 100   11 37   5 4.3   0.1 22.7   8.2 1706 SSW | 197 0.00 0.12 0.130   0.009 390   68 60   20
Geyserville-South (Nervo Station) 9/27/26 79.3   2.0 1628 48.8   0.2 0059 - - - - 2.3   0.4 12.1   2.3 1843 SW | 228 0.00 0.21 - - 60   20
Peterson (Ranch 09) 9/27/26 78.6   2.2 1544 43.0   1.4 0059 48.2   3.3 70   8 93   3 34   9 2.0   0.3 11.2   2.6 1655 S | 186 0.00 0.20 0.121   0.019 394   82 40   20
Crazy Creek Ranch 9/27/26 79.2   2.1 1632 44.6   1.6 0056 50.8   2.6 74   7 96   1 38   6 1.7   0.5 10.7   3.3 1336 SSW | 204 0.01 0.24 0.122   0.024 416   83 70   20
Whitton Ranch (201e) 9/27/26 80.5   1.7 1623 39.9   0.5 0055 49.1   3.1 73   7 100   0 34   7 1.9   0.2 13.1   4.6 1657 S | 175 0.00 0.29 0.109   0.014 333   53 80   20
Lytton East (Shop Hill Bottom) 9/27/26 78.4   0.9 1517 44.0   1.4 0055 49.2   3.1 73   8 100   5 37   11 2.3   0.2 13.9   3.5 1706 SE | 144 0.00 0.27 0.130   0.019 412   78 70   20
Lytton East (Hill 5) 9/27/26 77.1   0.2 1608 48.1   2.1 0059 50.2   3.0 74   10 97   3 38   10 3.4   0.5 18.8   7.5 1655 SSE | 165 0.00 0.25 0.124   0.014 369   74 100   0
Lytton West Lower (Lew 6) 9/27/26 78.0   0.9 1609 43.6   1.7 0050 49.0   2.9 73   8 100   5 37   8 2.3   0.3 15.5   4.3 1513 SSE | 161 0.00 0.28 0.130   0.021 421   90 70   20
Lytton West Hill (23PS) 9/27/26 77.0   0.1 1559 49.0   1.6 0046 50.7   2.7 74   9 96   3 38   8 2.8   0.3 14.2   2.7 1755 S | 173 0.00 0.26 0.131   0.019 428   91 100   0
Big River 9/27/26 77.9   0.8 1550 47.8   2.3 0036 51.2   2.5 75   8 97   0 41   9 2.1   0.4 14.9   5.8 1728 S | 175 0.00 0.28 0.125   0.028 413   114 100   0
Jimtown-North (Piccolo Ranch 15) 9/27/26 80.4   1.2 1601 42.7   1.5 0016 47.3   2.7 68   6 100   0 31   7 1.2   0.4 12.1   5.3 1652 S | 175 0.00 0.20 0.109   0.024 367   80 70   20
HWY 128/Chalk Hill Rd (Landslide) 9/27/26 79.7   0.3 1616 42.4   1.1 0101 49.4   3.1 71   5 94   1 34   6 1.9   0.5 12.1   3.5 1634 S | 189 0.00 0.31 0.113   0.018 351   70 40   20
N Chalk Hill Rd (Ranch 63) 9/27/26 77.8   0.2 1614 41.8   2.6 0059 48.2   3.1 71   6 98   1 37   7 1.9   0.3 13.3   5.1 1637 SW | 223 0.00 0.29 0.112   0.012 355   55 50   20
Newman Knights Valley 9/27/26 77.6   0.6 1641 44.1   3.7 0047 50.9   2.7 72   3 87   1 50   3 2.4   0.6 12.9   2.5 1655 SSW | 205 0.00 0.40 - - 60   20
Knights Valley (Bavarian Lion) 9/27/26 77.6   0.8 1403 41.8   3.6 0017 47.8   3.3 70   3 96   1 32   5 1.9   0.3 13.6   3.1 1725 SW | 220 0.00 0.26 0.116   0.011 380   51 80   20
Red Tail 9/27/26 77.8   0.3 1611 43.2   1.6 0055 49.7   1.7 74   4 92   2 43   6 2.5   0.6 14.2   2.9 1623 SSW | 193 0.00 0.29 0.129   0.027 426   106 90   10
Franz Valley (Stornetta) 9/27/26 78.6   1.4 1518 42.4   3.4 0101 47.5   2.7 - 92   1 32   3 1.4   0.4 10.8   1.3 1431 NW | 322 0.00 0.43 - - 100   0
Upper Dry Creek Valley 9/27/26 84.5   6.0 1527 45.7   1.4 0101 48.4   0.8 68   5 95   0 12   18 1.9   0.0 11.4   0.7 1620 SSE | 161 0.00 0.14 0.134   0.019 424   77 100   10
Lower Dry Creek Valley 9/27/26 78.1   0.9 1601 44.4   2.3 0059 50.0   3.4 74   9 100   0 38   7 1.5   0.4 14.1   2.8 1800 SE | 144 0.00 0.26 0.121   0.025 393   80 100   0
Max   84.8 - 51.9 - 51.2 76 100 50 7.5 28.9 - - 0.01 0.43 0.143 428 -
Avg   - - - - 48.4 70 - - 2.5 - - - - - - - -
Min   75.9 - 39.9 - 40.0 54 82 8 1.2 10.7 - - 0.00 0.00 0.109 333 -

Sonoma County-Central Daily Obs

37 Stations

Daily Data | America/Los_Angeles
as of 9/28/26 10:37 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) 9/27/26 79.6   0.7 1520 48.5   1.9 0101 50.7   1.2 73 85   0 41   6 0.0 2.3   3.7 1403 0.00 0.50 0.105   0.015 396   66 10
Windsor-East (Ranch 16) 9/27/26 76.0   3.2 1423 43.5   1.3 0059 49.5   2.5 74 95   0 37   6 2.8 17.2   5.5 1752 0.00 0.23 0.129   0.020 412   96 50
Mark West-North (Ranch 14) 9/27/26 76.8   3.3 1343 45.4   1.5 0043 49.6   2.6 73 94   0 36   7 1.5 13.9   5.3 1659 0.00 0.24 - - 20
Windsor-SE (Silk Rd) 9/27/26 76.7   1.8 1524 42.8   1.9 0041 49.4   2.5 76 96   1 36   3 1.6 12.9   3.4 1750 0.00 0.32 0.117   0.014 395   64 40
Fulton-NW (Ranch 5) 9/27/26 74.7   3.5 1433 44.5   2.0 0014 49.9   2.6 76 95   2 39   3 3.0 16.5   6.0 1724 0.00 0.23 0.127   0.022 416   89 40
Bisordi (Fulton) 9/27/26 75.6   2.0 1413 42.9   2.3 0050 50.7   2.3 78 95   0 45   4 2.1 14.0   4.2 1651 0.00 0.22 0.127   0.027 448   106 40
Windsor-South (Laughlin Rd) 9/27/26 77.5   1.6 1531 47.5   2.4 2339 50.2   1.9 75 94   0 36   4 - - - 0.00 0.17 - - 40
Fulton-SE (Barnes Rd) 9/27/26 75.6   1.3 1442 46.5   2.7 0037 50.6   2.4 75 92   1 41   4 1.2 15.9   5.7 1646 0.00 0.29 - - 40
Fulton-SW (Ranch 21) 9/27/26 74.7   2.4 1350 44.7   1.2 0059 49.7   1.7 76 94   0 39   2 2.4 14.0   2.9 1743 0.00 0.20 0.131   0.023 442   98 40
NW Santa Rosa (Piner Road) 9/27/26 74.9   1.4 1548 42.8   2.4 0025 52.6   2.3 86 100   0 45   3 1.8 13.6   3.7 1708 0.00 0.00 - - 40
River Rd South (Denner Ranch) 9/27/26 75.0   2.6 1551 43.7   3.0 0059 -14.6   5.2 27 100   0 0   0 3.4 18.8   4.8 1303 - - - - 50
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) 9/27/26 79.3   0.0 1536 43.2   2.5 0059 50.0   2.3 75 97   1 36   0 - - - 0.00 0.24 - - 30
SunnyView Vineyard (SCWC) 9/27/26 75.3   2.3 1341 41.7   1.6 0101 48.8   2.3 75 95   0 39   2 1.5 12.9   2.3 1426 0.00 0.27 0.109   0.016 372   76 40
Guerneville Rd West (Balletto) 9/27/26 75.5   0.5 1555 42.9   1.5 0029 51.1   2.4 80 96   2 44   0 2.2 11.4   0.8 1622 0.00 0.43 - - 40
Sanchietti Ranch 9/27/26 75.8   1.0 1610 44.1   3.0 2329 51.7   2.1 - 94   2 45   2 2.5 12.4   0.5 1448 0.00 0.28 - - 40
Occidental Rd (Sebastopol) 9/27/26 76.4   0.0 1558 43.5   1.9 0058 54.3   2.1 89 100   0 51   0 1.9 13.2   1.5 1724 0.00 0.20 - - 40
Harper's Rest (Windsor-West) 9/27/26 78.5   0.5 1710 45.6   2.1 0053 49.2   2.2 - 96   2 32   2 1.6 11.2   2.7 1740 0.00 0.45 - - 60
Lower Westside Rd (Ranch 12) 9/27/26 77.4   0.7 1617 44.2   1.9 0031 49.7   2.5 75 96   2 33   3 1.6 12.2   2.2 1749 0.00 0.45 - - 50
Guerneville (Laughlin Rd) 9/27/26 77.4   1.8 1233 44.0   2.3 2357 48.8   1.5 75 94   1 38   2 1.9 14.3   2.7 1603 0.00 0.81 - - 50
Korbel (Winery) 9/27/26 76.5   0.8 1250 46.3   2.9 0024 50.3   2.0 75 95   1 42   6 0.7 10.2   2.5 1436 0.00 0.52 - - 80
Forestville (Shone Farms) 9/27/26 78.2   0.8 1548 46.1   2.8 0015 50.8   2.3 77 96   2 37   5 1.5 9.4   3.4 1126 0.00 0.43 0.114   0.010 387   48 50
Forestville-NE (Ranch 30) 9/27/26 78.0   0.2 1621 43.4   0.7 0034 51.3   2.2 79 98   1 41   6 2.0 11.3   2.4 1814 0.00 0.40 0.121   0.014 407   58 70
Foggy Bend (Ranch 41) 9/27/26 77.4   0.1 1540 45.2   2.8 0040 51.9   2.0 79 96   1 44   2 1.7 12.0   0.8 1601 0.00 0.42 0.117   0.011 406   52 50
Last Stop 9/27/26 79.1   0.3 1519 44.0   2.2 0025 50.1   2.3 77 96   2 39   3 1.8 11.0   1.8 1332 0.00 0.39 0.116   0.012 394   49 40
Green Valley Vineyard 9/27/26 76.6   0.5 1509 45.8   1.3 0039 50.5   2.4 78 97   0 39   5 1.7 13.6   1.3 1429 0.00 0.57 0.025   0.002 11   11 50
Park Royal 9/27/26 75.8   1.0 1415 44.2   1.8 0037 49.4   2.2 75 94   0 37   1 - - - 0.00 0.21 - - 40
Merino 9/27/26 78.2   0.5 1435 41.6   2.7 0015 50.7   2.2 79 100   0 38   2 1.8 10.7   0.0 1615 0.00 0.33 0.129   0.026 438   92 10
Green Valley (Sanchietti) 9/27/26 77.2   0.4 1529 44.6   3.5 2359 - - - - - - - - - - - 50
Keefer Ranch (Green Valley) 9/27/26 75.9   2.0 1514 42.0   2.2 0049 50.5   2.6 79 96   2 43   5 - - - 0.00 0.48 - - 50
Graton-West (Dutton Ranch) 9/27/26 77.5   0.2 1521 43.1   2.0 0052 58.9   1.0 100 100   0 100   0 1.6 11.2   2.6 1606 0.00 0.61 - - 80
Graton-South (Mill Station Rd) 9/27/26 73.7   0.3 1547 41.2   2.4 0036 50.1   2.4 79 95   0 46   1 0.6 7.3   1.2 1728 0.00 0.41 - - 70
Occidental (Horseshoe Bend) 9/27/26 71.8   1.4 1422 48.3   1.1 0035 50.7   0.9 - 97   2 46   7 - - - 0.00 0.75 - - 60
Sexton Valley (Jacqueline's Blk) 9/27/26 73.7   0.2 1541 41.9   1.6 0054 51.4   1.8 83 96   3 51   2 1.1 9.5   0.4 1507 0.00 0.27 - - 60
Sebastopol Hills (Burnside Rd) 9/27/26 70.7   0.0 1528 48.6   0.8 0009 52.0   0.9 86 99   1 54   1 2.0 14.0   2.4 1755 0.00 0.00 - - 60
Pleasant Hill 9/27/26 73.6   1.3 1556 45.3   0.5 2350 50.0   0.9 - 97   1 40   2 1.8 11.8   0.1 1411 0.00 0.49 - - 50
Seaview/Fort Ross (Hirsch) 9/27/26 68.6   1.1 1403 49.6   2.4 0014 46.4   1.4 67 88   7 47   2 3.1 11.6   2.6 1419 0.00 0.07 0.109   0.007 400   20 10
Max   79.6 - 49.6 - 58.9 100 100 100 3.4 18.8 - 0.00 0.81 0.131 448 -
Avg   - - - - 48.8 77 - - 1.8 - - - - - - -
Min   68.6 - 41.2 - -14.6 27 85 0 0.0 2.3 - 0.00 0.00 0.025 11 -

Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 9/28/26 10:37 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 9/27/26 75.1   0.1 1410 46.2   2.0 0044 48.7   1.2 96   4 39   4 1.6   0.0 10.8   2.8 1430 ESE | 121 0.00 0.02 0.096   0.020 322   84 60   10
Lower Bennett Valley 9/27/26 76.6   2.3 1258 43.3   4.0 0032 50.4   2.7 100   0 40   5 3.7   1.0 14.1   2.6 1633 S | 179 0.00 0.39 0.125   0.013 424   70 40   10
Kenwood (Wildwood) 9/27/26 77.4   4.0 1419 46.0   4.9 0042 48.9   2.1 96   4 36   8 2.2   0.2 15.0   3.3 1517 NNW | 331 0.00 0.21 0.117   0.001 381   13 40   10
Sonoma Valley (Bedrock) 9/27/26 74.2   5.7 1641 43.2   0.6 0059 47.3   1.7 94   0 37   13 - - - - 0.00 0.29 - - 70   10
Sonoma-West (Arnold) 9/27/26 76.5   5.2 1457 45.2   3.2 0056 48.2   1.6 91   2 36   7 2.9   0.9 19.3   6.6 1603 WSW | 237 0.00 0.35 0.150   0.006 496   38 90   10
Sonoma Valley HS 9/27/26 74.6   5.2 1506 47.3   1.9 0052 52.2   1.1 98   2 42   4 2.0   0.4 13.7   6.0 1646 SW | 233 0.00 0.01 0.118   0.006 421   10 40   10
Sonoma East (Bundschu01) 9/27/26 76.0   3.3 1526 44.4   1.2 0059 49.7   1.7 92   2 36   5 2.9   0.3 18.2   4.6 1419 ESE | 122 0.00 0.23 0.128   0.008 438   7 50   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) 9/27/26 77.2   3.1 1539 45.5   1.8 0059 49.9   1.8 90   3 34   4 2.2   0.3 15.8   1.7 1543 SW | 217 0.00 0.18 - - 50   10
Ricci Vineyards (Carneros) 9/27/26 74.0   4.0 1547 50.8   6.6 0059 50.5   2.4 91   4 41   10 3.9   0.7 18.5   4.1 1645 W | 262 0.00 0.12 0.138   0.008 468   17 60   10
Carneros (Ranch 71) 9/27/26 72.4   4.1 1550 50.3   2.1 0059 50.7   0.6 92   0 41   7 3.9   0.9 25.2   6.7 1653 W | 259 0.00 0.07 0.126   0.010 436   5 30   10
Carneros Upper (Ranch 81) 9/27/26 72.1   5.1 1559 51.1   2.0 0029 50.6   0.6 - - 7.0   2.2 25.8   5.9 1845 WSW | 251 - - - - 30   10
Carneros Lower (Ranch 81) 9/27/26 72.6   3.9 1604 50.6   5.6 0039 51.1   2.0 92   8 45   45 1.3   0.1 14.2   3.4 1419 SSE | 148 0.00 0.01 0.020   0.001 11   6 30   10
Rohnert Park-West (Stony Point) 9/27/26 72.3   2.7 1335 40.8   1.5 2350 50.9   2.2 95   2 49   4 1.9   0.6 18.6   4.4 1642 W | 262 0.00 0.21 - - 30   10
Cartograph Wines Base 9/27/26 70.9   2.6 1336 47.2   1.0 0044 52.0   0.4 97   1 52   1 3.7   0.3 22.9   1.3 1628 SSW | 202 0.00 0.32 0.110   0.006 408   42 40   10
Cartograph Wines Remote 9/27/26 72.0   1.5 1210 43.4   0.8 0023 - - - - - - - - - - - 60   10
Rice-Spivak Vineyard 9/27/26 72.9   2.6 1209 36.2   2.1 0041 - - - - - - - - - - - 60   10
Penngrove (Asellus) 9/27/26 77.5   1.1 1249 46.0   5.2 0101 49.8   2.4 94   3 37   4 2.3   0.6 14.3   0.3 1644 SSW | 213 0.00 0.57 - - 0   10
Petaluma (Ranch 10) 9/27/26 78.8   1.4 1345 47.9   5.6 0058 50.3   2.3 92   3 37   9 1.8   0.3 14.1   2.7 1715 WSW | 246 0.00 0.09 0.118   0.006 399   2 70   10
Max   78.8 - 51.1 - 52.2 100 52 7.0 25.8 - - 0.00 0.57 0.150 496 -
Avg   - - - - 50.1 - - 2.9 - - - - - - - -
Min   70.9 - 36.2 - 47.3 90 34 1.3 10.8 - - 0.00 0.01 0.020 11 -