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Latest Observation

25 Stations

Daily Data | America/Los_Angeles
as of 9/23/26 9:23 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) 9/22/26 82.8   6.5 1627 51.8   0.4 0118 47.4   4.4 59   17 92   8 31   14 8.3   3.9 22.8   7.5 0324 NNW | 329 0.00 0.33 0.191   0.037 522   12 90   10
Rockpile Lower (Cooley) 9/22/26 85.6   6.1 1530 50.3   0.4 0123 49.3   3.2 62   17 100   0 29   14 2.9   0.9 16.4   5.1 1738 WNW | 293 0.00 0.33 - - 80   20
Cloverdale-East (Ranch 83) 9/22/26 85.6   6.1 1554 49.8   0.1 0059 52.2   0.9 - - - 1.9   1.1 13.7   1.5 1541 SSE | 164 0.00 0.12 0.144   0.022 447   55 90   10
Cloverdale-SE (Ranch 38) 9/22/26 83.0   5.5 1539 53.1   1.4 0734 53.4   0.2 71   12 96   2 36   13 3.9   2.1 16.7   2.0 1510 W | 278 0.00 0.11 0.150   0.033 425   53 40   20
Geyserville-North (Hoffman) 9/22/26 83.1   5.4 1629 49.7   4.1 0059 54.2   0.6 73   8 92   4 39   13 1.9   0.7 10.2   1.5 1127 ESE | 109 0.00 0.00 0.136   0.034 441   104 50   20
Geyserville (Ranch 3) 9/22/26 82.9   5.5 1610 50.1   3.9 0059 52.6   1.5 71   11 98   1 34   13 2.0   0.6 9.8   1.2 1511 ESE | 116 0.00 0.13 0.127   0.030 395   87 50   10
Geyserville-East (Ranch 40) 9/22/26 80.4   3.6 1518 52.5   0.6 0503 54.0   0.2 78   9 99   0 42   9 5.0   0.5 17.4   2.9 1623 SSW | 201 0.00 0.12 0.146   0.040 442   76 20   20
Geyserville-South (Nervo Station) 9/22/26 81.4   4.9 1618 53.6   0.2 0323 - - - - 2.3   0.3 10.5   1.7 1558 S | 177 0.00 0.21 - - 20   20
Peterson (Ranch 09) 9/22/26 80.9   4.5 1553 49.9   2.7 0059 52.0   0.6 72   8 91   2 36   11 2.3   0.2 11.8   0.3 1634 SSW | 209 0.00 0.20 0.128   0.030 422   90 20   10
Crazy Creek Ranch 9/22/26 83.5   5.1 1549 49.9   2.3 0059 54.0   0.3 76   5 97   2 39   11 1.8   0.2 10.7   0.3 1408 S | 176 0.00 0.23 0.127   0.022 425   62 30   20
Whitton Ranch (201e) 9/22/26 83.7   5.7 1648 45.6   7.8 0055 52.4   1.2 72   9 96   0 35   12 1.9   0.4 9.6   2.3 1647 S | 190 0.00 0.29 0.119   0.029 360   84 40   20
Lytton East (Shop Hill Bottom) 9/22/26 80.9   5.1 1603 52.0   2.0 0059 52.3   0.7 73   9 95   0 36   12 2.4   0.7 12.4   0.8 1641 S | 176 0.00 0.27 0.139   0.034 445   98 30   20
Lytton East (Hill 5) 9/22/26 80.7   5.7 1544 53.3   0.3 0555 52.6   0.6 74   9 97   0 37   13 3.2   0.9 13.1   3.2 1623 ESE | 121 0.00 0.25 0.130   0.031 397   83 80   20
Lytton West Lower (Lew 6) 9/22/26 81.1   5.1 1607 49.8   3.0 0059 52.5   0.8 74   8 100   0 38   11 2.4   0.5 11.9   1.3 1754 SE | 128 0.00 0.28 0.143   0.036 461   101 30   20
Lytton West Hill (23PS) 9/22/26 79.6   4.5 1630 53.5   0.7 0059 53.3   0.8 75   10 99   1 40   11 2.9   0.3 12.4   2.4 1735 SSE | 149 0.00 0.26 0.148   0.040 484   113 100   20
Big River 9/22/26 80.1   5.3 1540 51.8   2.3 0057 54.0   0.6 78   8 99   0 43   13 1.9   0.7 11.5   1.5 1650 SSE | 158 0.00 0.28 0.133   0.031 448   89 100   20
Jimtown-North (Piccolo Ranch 15) 9/22/26 83.8   4.9 1524 47.8   3.6 0049 51.8   1.3 74   6 100   0 31   10 1.3   0.3 9.9   4.2 1655 SSW | 200 0.00 0.20 0.111   0.022 364   64 30   20
HWY 128/Chalk Hill Rd (Landslide) 9/22/26 83.4   5.5 1611 48.5   5.1 0054 52.6   1.2 74   6 96   2 36   10 1.7   0.6 12.9   1.1 1658 SW | 226 0.00 0.31 0.115   0.023 364   64 30   20
N Chalk Hill Rd (Ranch 63) 9/22/26 80.8   4.9 1606 47.2   5.4 0057 51.7   0.8 75   5 99   6 37   10 1.9   0.4 11.5   0.5 1651 SSE | 159 0.00 0.29 0.117   0.023 382   71 40   20
Newman Knights Valley 9/22/26 82.2   5.0 1614 52.2   2.2 0101 53.8   0.5 75   4 89   0 50   7 2.7   0.5 12.1   1.6 1701 WSW | 242 0.00 0.40 - - 20   20
Knights Valley (Bavarian Lion) 9/22/26 83.1   5.4 1638 49.6   0.1 0059 51.8   0.5 74   6 96   0 32   11 2.1   0.1 13.0   1.0 1704 W | 273 0.00 0.26 0.129   0.022 426   74 40   10
Red Tail 9/22/26 80.9   5.0 1534 49.0   1.2 0055 52.8   0.5 77   5 93   0 44   11 2.3   0.5 15.9   0.6 1651 S | 187 0.00 0.29 0.126   0.025 416   68 90   20
Franz Valley (Stornetta) 9/22/26 82.2   4.4 1638 48.4   3.4 0101 51.4   1.1 - 94   1 35   9 1.4   0.4 10.8   0.8 1657 W | 262 0.00 0.43 - - 90   10
Upper Dry Creek Valley 9/22/26 83.4   4.6 1613 49.9   4.1 0043 52.9   0.9 70   9 93   3 36   10 2.0   0.8 10.7   1.9 1650 SE | 124 0.00 0.14 0.153   0.034 485   95 70   10
Lower Dry Creek Valley 9/22/26 80.7   4.9 1551 49.3   5.2 0059 53.4   1.2 75   10 100   0 38   12 1.5   1.0 13.4   2.7 1554 ESE | 111 0.00 0.26 0.136   0.030 441   95 80   20
Max   85.6 - 53.6 - 54.2 78 100 50 8.3 22.8 - - 0.00 0.43 0.191 522 -
Avg   - - - - 52.4 73 - - 2.6 - - - - - - - -
Min   79.6 - 45.6 - 47.4 59 89 29 1.3 9.6 - - 0.00 0.00 0.111 360 -

Sonoma County-Central Daily Obs

37 Stations

Daily Data | America/Los_Angeles
as of 9/23/26 9:23 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) 9/22/26 81.9   4.8 1538 52.7   1.6 0059 52.7   0.3 73 85   1 43   11 0.0 5.7   5.7 1855 0.00 0.50 0.114   0.024 416   82 20
Windsor-East (Ranch 16) 9/22/26 79.8   5.2 1551 47.8   6.2 0054 52.1   1.3 77 99   5 40   11 2.5 13.1   1.2 1614 0.00 0.23 0.127   0.026 405   64 70
Mark West-North (Ranch 14) 9/22/26 80.1   5.2 1522 49.2   4.9 0058 52.3   0.9 77 97   2 38   11 1.5 11.5   0.6 1618 0.00 0.24 - - 70
Windsor-SE (Silk Rd) 9/22/26 79.4   5.4 1533 47.6   7.0 0059 52.4   1.3 78 97   2 41   11 1.6 9.4   1.8 1723 0.00 0.32 0.120   0.025 409   71 60
Fulton-NW (Ranch 5) 9/22/26 78.4   5.8 1519 48.5   5.6 0058 32.3   21.4 55 100   0 3   53 2.5 12.4   1.0 1721 0.00 0.23 0.131   0.037 426   92 60
Bisordi (Fulton) 9/22/26 78.7   5.3 1535 47.0   7.4 0043 53.4   0.7 81 96   2 48   13 1.7 12.2   0.8 1551 0.00 0.22 0.124   0.027 433   78 60
Windsor-South (Laughlin Rd) 9/22/26 80.6   6.0 1505 51.5   2.8 0055 52.6   0.7 77 94   2 39   12 - - - 0.00 0.17 - - 60
Fulton-SE (Barnes Rd) 9/22/26 77.6   4.6 1530 49.9   4.3 0058 52.9   0.7 78 94   0 45   11 0.8 9.2   2.2 1838 0.00 0.29 - - 60
Fulton-SW (Ranch 21) 9/22/26 77.2   4.9 1500 49.2   4.8 0059 31.0   22.1 61 100   4 0   56 2.2 11.8   1.9 1819 0.00 0.20 0.134   0.032 444   76 60
NW Santa Rosa (Piner Road) 9/22/26 77.0   5.1 1513 46.8   7.2 0059 55.0   1.3 88 100   0 50   15 1.6 11.2   2.2 1634 0.00 0.00 - - 60
River Rd South (Denner Ranch) 9/22/26 77.4   5.6 1449 48.0   5.1 0054 -17.1   12.4 25 100   0 0   0 3.5 14.9   3.9 1614 - - - - 70
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) 9/22/26 79.7   4.6 1444 47.5   7.1 0058 52.6   1.4 78 97   0 40   10 - - - 0.00 0.24 - - 10
SunnyView Vineyard (SCWC) 9/22/26 77.6   5.2 1459 45.8   8.0 0059 51.6   1.3 78 95   1 42   12 1.6 11.9   0.6 1628 0.00 0.27 0.112   0.026 385   77 60
Guerneville Rd West (Balletto) 9/22/26 76.4   5.1 1453 47.8   6.7 0041 53.5   1.2 83 99   1 50   13 2.1 11.9   2.6 1627 0.00 0.43 - - 60
Sanchietti Ranch 9/22/26 77.1   4.2 1508 47.6   7.6 0059 54.0   1.4 - 95   0 50   14 2.5 12.9   2.8 1815 0.00 0.28 - - 60
Occidental Rd (Sebastopol) 9/22/26 77.3   4.8 1452 47.6   6.7 0020 56.9   1.0 93 100   0 62   16 2.0 13.6   2.4 1638 0.00 0.20 - - 60
Harper's Rest (Windsor-West) 9/22/26 80.7   5.0 1557 49.2   4.0 0059 51.6   0.9 - 94   1 39   9 1.5 8.8   0.3 1739 0.00 0.45 - - 80
Lower Westside Rd (Ranch 12) 9/22/26 79.6   4.8 1529 48.9   5.5 0028 52.4   1.1 76 95   0 40   10 1.7 10.5   0.4 1743 0.00 0.45 - - 70
Guerneville (Laughlin Rd) 9/22/26 80.2   8.0 1417 47.8   3.9 0049 51.6   1.3 75 92   2 40   13 1.4 12.4   1.4 1553 0.00 0.81 - - 70
Korbel (Winery) 9/22/26 80.5   7.1 1511 49.4   4.9 0054 52.8   0.7 76 94   0 42   12 1.1 12.1   2.2 1611 0.00 0.52 - - 100
Forestville (Shone Farms) 9/22/26 79.5   5.5 1602 49.9   2.6 0054 53.3   0.6 79 96   1 46   9 1.6 10.4   0.9 1525 0.00 0.43 0.121   0.029 411   82 70
Forestville-NE (Ranch 30) 9/22/26 79.9   5.9 1531 48.2   5.4 0059 53.8   0.5 80 97   0 48   10 2.2 11.0   2.6 1810 0.00 0.40 0.130   0.034 433   90 30
Foggy Bend (Ranch 41) 9/22/26 79.5   6.0 1550 49.5   5.5 0047 54.4   0.2 79 95   1 51   9 1.4 9.6   2.2 1608 0.00 0.42 0.120   0.027 418   83 70
Last Stop 9/22/26 81.3   6.5 1440 48.0   6.3 0059 52.9   0.8 78 95   1 45   10 1.7 9.7   2.5 1723 0.00 0.39 0.126   0.031 428   93 30
Green Valley Vineyard 9/22/26 77.8   5.9 1706 49.2   4.1 0048 52.8   0.7 80 97   1 43   14 1.6 9.4   3.7 1607 0.00 0.57 0.017   0.001 0   10 70
Park Royal 9/22/26 77.4   4.5 1505 49.4   4.4 0053 52.2   1.2 79 96   0 41   13 - - - 0.00 0.21 - - 60
Merino 9/22/26 80.1   5.3 1518 46.2   8.3 0045 53.6   1.4 82 98   1 43   13 1.7 9.6   1.0 1607 0.00 0.33 0.125   0.027 426   76 60
Green Valley (Sanchietti) 9/22/26 77.3   4.4 1702 49.7   4.9 2359 - - - - - - - - - - - 70
Keefer Ranch (Green Valley) 9/22/26 77.8   7.5 1704 46.0   8.6 0058 52.9   1.3 81 96   0 46   17 - - - 0.00 0.48 - - 70
Graton-West (Dutton Ranch) 9/22/26 77.9   6.1 1448 46.4   8.1 0039 58.1   0.3 94 100   0 67   20 1.6 9.8   2.4 1601 0.00 0.61 - - 70
Graton-South (Mill Station Rd) 9/22/26 74.2   5.9 1427 45.4   8.4 0048 52.1   1.9 82 97   0 50   14 0.5 6.3   3.2 1518 0.00 0.41 - - 30
Occidental (Horseshoe Bend) 9/22/26 73.9   8.7 1703 50.4   1.2 0010 53.0   0.5 - 100   0 49   21 - - - 0.00 0.75 - - 50
Sexton Valley (Jacqueline's Blk) 9/22/26 75.0   6.2 1412 45.3   9.0 0059 53.2   1.7 84 97   0 54   14 1.1 9.2   4.4 1433 0.00 0.27 - - 50
Sebastopol Hills (Burnside Rd) 9/22/26 70.6   4.1 1409 50.9   1.9 0644 53.5   0.8 89 100   0 56   15 1.7 11.9   2.8 1510 0.00 0.00 - - 20
Pleasant Hill 9/22/26 76.4   5.0 1432 48.7   4.8 2352 51.8   1.7 - 96   0 44   13 1.7 10.3   3.9 1626 0.00 0.49 - - 70
Seaview/Fort Ross (Hirsch) 9/22/26 72.5   7.5 1702 46.7   1.8 0302 49.6   1.9 69 97   0 48   17 3.3 12.1   1.8 0319 0.00 0.07 0.139   0.028 511   20 0
Max   81.9 - 52.7 - 58.1 94 100 67 3.5 14.9 - 0.00 0.81 0.139 511 -
Avg   - - - - 49.8 77 - - 1.7 - - - - - - -
Min   70.6 - 45.3 - -17.1 25 85 0 0.0 5.7 - 0.00 0.00 0.017 0 -

Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 9/23/26 9:23 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 9/22/26 78.2   4.6 1606 49.4   1.5 0725 51.5   0.9 98   0 41   10 1.4   0.1 8.9   0.6 1357 SSE | 147 0.00 0.02 0.096   0.016 332   53 80   10
Lower Bennett Valley 9/22/26 78.9   3.3 1524 44.7   8.1 0045 52.6   1.3 100   0 43   6 2.2   0.8 12.4   1.7 1648 S | 185 0.00 0.39 0.121   0.019 428   70 60   10
Kenwood (Wildwood) 9/22/26 81.4   2.9 1607 50.0   3.6 0025 52.4   0.6 100   4 39   4 2.0   0.4 10.3   2.0 1455 NNW | 344 0.00 0.21 0.131   0.027 446   95 60   20
Sonoma Valley (Bedrock) 9/22/26 77.0   2.8 1507 50.6   0.9 0001 51.2   0.7 93   1 42   6 - - - - 0.00 0.29 - - 60   10
Sonoma-West (Arnold) 9/22/26 77.7   3.7 1704 50.7   2.3 2330 52.0   0.7 92   1 41   10 2.5   0.5 11.4   0.0 1451 SSE | 152 0.00 0.35 0.142   0.024 467   67 80   20
Sonoma Valley HS 9/22/26 75.2   3.1 1718 54.5   1.4 0634 55.1   0.1 98   1 51   8 2.2   0.0 8.4   0.4 1804 SSW | 201 0.00 0.01 0.120   0.023 422   73 60   10
Sonoma East (Bundschu01) 9/22/26 74.5   2.8 1547 54.6   3.4 2237 53.2   0.4 91   2 49   5 3.5   0.5 14.0   4.8 1703 ESE | 122 0.00 0.23 0.129   0.025 428   69 70   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) 9/22/26 75.4   3.1 1357 54.5   2.0 0715 53.3   0.3 90   2 47   6 2.4   0.3 10.5   1.7 1652 S | 187 0.00 0.18 - - 70   10
Ricci Vineyards (Carneros) 9/22/26 72.7   2.5 1537 54.0   0.6 2233 53.2   0.2 94   1 52   4 3.9   0.3 13.7   1.5 1604 SE | 136 0.00 0.12 0.127   0.019 430   61 80   10
Carneros (Ranch 71) 9/22/26 71.4   3.1 1557 53.5   0.2 0734 53.5   0.5 94   0 54   5 3.4   1.0 12.3   2.7 1348 S | 172 0.00 0.07 0.110   0.015 395   54 50   10
Carneros Upper (Ranch 81) 9/22/26 73.5   3.1 1552 53.5   0.2 0701 51.1   1.9 - - 5.2   1.6 15.3   4.8 1436 S | 190 - - - - 50   10
Carneros Lower (Ranch 81) 9/22/26 73.5   3.1 1407 54.2   0.2 2246 54.0   0.4 92   1 54   5 1.5   0.1 12.2   3.7 1443 S | 174 0.00 0.01 0.017   0.001 6   5 50   10
Rohnert Park-West (Stony Point) 9/22/26 75.4   3.6 1443 44.1   10.4 0045 53.2   1.6 98   0 51   10 1.4   0.9 15.0   3.7 1353 WSW | 244 0.00 0.21 - - 20   10
Cartograph Wines Base 9/22/26 72.8   1.6 1419 51.0   2.4 0045 54.0   0.5 98   0 58   7 2.8   0.9 18.4   1.2 1610 S | 178 0.01 0.31 0.110   0.016 404   48 0   0
Cartograph Wines Remote 9/22/26 70.7   0.7 1407 47.5   6.9 0053 - - - - - - - - - - - 20   10
Rice-Spivak Vineyard 9/22/26 74.9   0.3 1418 41.0   13.1 0050 - - - - - - - - - - - 20   10
Penngrove (Asellus) 9/22/26 79.3   3.0 1456 46.3   8.1 0058 51.5   1.5 95   2 40   5 1.8   0.6 12.7   1.7 1519 W | 277 0.00 0.57 - - 0   0
Petaluma (Ranch 10) 9/22/26 82.6   3.3 1529 47.9   7.3 0059 51.8   1.3 93   2 39   3 1.7   0.7 12.2   0.1 1657 NW | 326 0.00 0.09 0.116   0.007 384   20 60   10
Max   82.6 - 54.6 - 55.1 100 58 5.2 18.4 - - 0.01 0.57 0.142 467 -
Avg   - - - - 52.7 - - 2.5 - - - - - - - -
Min   70.7 - 41.0 - 51.1 90 39 1.4 8.4 - - 0.00 0.01 0.017 6 -