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Latest Observation

25 Stations

Daily Data | America/Los_Angeles
as of 8/12/26 3:35 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) 8/11/26 87.6   2.6 1520 56.8   3.8 0638 50.0   1.3 53   9 81   16 28   1 4.4   2.5 19.1   1.8 1530 SSE | 157 0.00 0.04 0.234   0.034 672   2 0   10
Rockpile Lower (Cooley) 8/11/26 87.0   5.0 1434 50.9   2.3 0625 51.8   0.6 66   7 100   3 30   3 2.4   0.0 13.6   0.2 1518 SE | 134 0.00 0.02 - - 0   0
Cloverdale-East (Ranch 83) 8/11/26 88.8   3.8 1548 53.1   5.0 0204 52.7   0.8 - - - 3.3   0.4 17.9   1.1 1630 S | 180 0.00 0.00 0.210   0.015 605   26 0   0
Cloverdale-SE (Ranch 38) 8/11/26 86.8   2.7 1434 51.6   0.4 0559 52.9   0.6 71   4 98   3 33   3 6.4   0.1 21.9   0.3 1640 SSE | 153 0.00 0.01 0.207   0.019 559   23 20   20
Geyserville-North (Hoffman) 8/11/26 85.5   4.2 1526 54.3   6.3 0050 54.6   0.7 70   2 93   1 36   3 2.9   0.1 13.3   0.1 1531 SE | 144 0.00 0.00 0.183   0.014 539   32 20   20
Geyserville (Ranch 3) 8/11/26 85.7   4.1 1434 54.0   5.2 0051 53.2   1.3 70   5 100   0 29   2 3.0   0.2 13.0   0.0 1643 SE | 126 0.00 0.00 0.195   0.015 571   32 0   0
Geyserville-East (Ranch 40) 8/11/26 83.7   2.9 1502 51.1   0.9 0535 53.2   0.7 77   3 100   1 39   4 6.3   0.0 21.6   0.3 1538 S | 191 0.00 0.00 0.201   0.011 596   10 20   20
Geyserville-South (Nervo Station) 8/11/26 84.1   3.9 1441 52.8   2.8 0043 - - - - 3.1   0.2 14.2   0.7 1512 SE | 142 0.00 0.00 - - 20   20
Peterson (Ranch 09) 8/11/26 83.8   3.5 1444 52.3   4.8 0039 51.8   0.6 70   2 92   1 33   5 3.2   0.2 13.2   1.0 1533 SSE | 158 0.00 0.00 0.178   0.007 534   10 0   0
Crazy Creek Ranch 8/11/26 85.6   3.5 1519 52.4   5.3 0101 54.2   0.6 72   2 95   2 37   2 2.4   0.4 12.6   0.5 1642 SSW | 196 0.00 0.00 0.191   0.011 598   25 20   20
Whitton Ranch (201e) 8/11/26 86.0   3.4 1457 51.8   9.1 0035 53.2   1.4 71   1 97   3 32   2 2.6   0.1 12.5   1.0 1557 SE | 128 0.00 0.00 0.185   0.007 537   10 20   20
Lytton East (Shop Hill Bottom) 8/11/26 84.4   2.7 1442 52.9   7.0 0013 51.9   0.6 71   1 94   6 31   3 3.2   0.1 14.3   1.0 1420 SSE | 156 0.00 0.00 0.193   0.015 580   30 20   20
Lytton East (Hill 5) 8/11/26 83.4   3.3 1418 52.8   2.6 0005 52.2   0.1 73   2 96   2 31   1 4.4   0.2 17.8   0.0 1523 S | 186 0.00 0.00 0.186   0.013 525   21 20   20
Lytton West Lower (Lew 6) 8/11/26 83.8   3.3 1500 52.6   7.0 2340 52.3   0.7 71   1 93   7 31   2 3.1   0.2 15.9   1.3 1554 S | 184 0.00 0.00 0.187   0.008 554   7 20   20
Lytton West Hill (23PS) 8/11/26 83.4   3.2 1443 53.8   2.9 0047 52.8   0.2 73   2 96   3 33   5 3.8   0.0 15.0   1.8 1647 SSE | 162 0.00 0.00 0.196   0.019 596   44 20   20
Big River 8/11/26 81.8   4.2 1433 53.5   3.8 0030 54.0   0.2 76   2 98   2 41   5 3.1   0.3 13.0   1.8 1651 S | 178 0.00 0.00 0.193   0.010 609   14 50   20
Jimtown-North (Piccolo Ranch 15) 8/11/26 85.4   3.5 1440 53.2   5.8 0027 52.4   1.3 70   3 100   0 31   4 1.8   0.1 15.6   2.8 1455 SSW | 197 0.00 0.00 0.171   0.011 533   24 20   20
HWY 128/Chalk Hill Rd (Landslide) 8/11/26 85.1   3.3 1421 54.0   5.8 0635 53.4   0.4 71   2 93   1 36   2 2.7   0.2 13.4   1.3 1536 S | 183 0.00 0.00 0.172   0.010 513   9 20   20
N Chalk Hill Rd (Ranch 63) 8/11/26 83.0   3.2 1418 53.0   6.8 0002 52.4   0.8 70   2 91   1 36   3 2.7   0.4 14.2   0.2 1527 SSE | 166 0.00 0.00 0.181   0.012 546   23 20   20
Newman Knights Valley 8/10/26 87.3   6.7 1450 50.8   1.8 0316 56.0   0.9 72   2 88   1 52   5 3.5   0.2 15.0   0.9 1640 SW | 228 0.00 0.00 - - 0   0
Knights Valley (Bavarian Lion) 8/11/26 85.5   3.2 1500 48.9   1.4 0125 52.2   0.0 71   3 97   2 33   3 2.6   0.1 13.1   0.6 1538 WNW | 282 0.00 0.00 0.189   0.017 574   33 0   0
Red Tail 8/11/26 82.6   3.3 1400 52.3   5.1 0101 53.6   0.6 74   2 92   1 43   2 3.2   0.1 14.9   0.0 1413 SW | 233 0.00 0.01 0.190   0.012 595   20 50   20
Franz Valley (Stornetta) 8/11/26 84.2   4.4 1507 51.1   3.0 0224 52.8   0.2 - 95   2 36   5 2.0   0.3 11.5   0.9 1300 NW | 320 0.00 0.00 - - 0   0
Upper Dry Creek Valley 8/11/26 86.5   5.0 1458 52.8   5.6 0052 52.8   0.8 68   2 93   1 29   2 3.6   0.3 15.7   1.3 1551 ESE | 114 0.00 0.00 0.206   0.018 592   46 0   0
Lower Dry Creek Valley 8/11/26 82.9   3.6 1420 53.9   6.4 0034 53.8   1.3 75   3 100   0 35   2 3.0   0.2 15.6   1.6 1548 SE | 134 0.00 0.01 0.187   0.018 554   39 20   20
Max   88.8 - 56.8 - 54.6 77 100 43 6.4 21.9 - - 0.00 0.04 0.234 672 -
Avg   - - - - 52.8 71 - - 3.3 - - - - - - - -
Min   81.8 - 48.9 - 50.0 53 81 28 1.8 11.5 - - 0.00 0.00 0.171 513 -

Sonoma County-Central Daily Obs

37 Stations

Daily Data | America/Los_Angeles
as of 8/12/26 3:35 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) 8/11/26 83.7   3.1 1408 53.6   2.7 0715 52.8   0.1 72 86   2 42   4 0.0 0.0   0.0 0101 0.00 0.02 0.167   0.001 577   6 20
Windsor-East (Ranch 16) 8/11/26 80.6   3.0 1422 53.9   6.8 0438 52.9   1.1 74 94   6 39   2 4.3 15.1   1.3 1447 0.00 0.00 0.187   0.011 577   24 100
Mark West-North (Ranch 14) 7/27/26 86.2   2.9 1404 47.0   1.0 0543 51.1   1.0 62 96   0 32   5 1.8 12.7   0.3 1723 0.00 0.01 0.038   0.002 0   0 60
Windsor-SE (Silk Rd) 8/11/26 79.1   4.9 1353 54.0   5.7 0035 53.3   0.5 76 95   4 41   4 2.5 11.7   0.5 1500 0.00 0.02 0.179   0.003 589   1 100
Fulton-NW (Ranch 5) 8/11/26 78.6   2.4 1333 53.9   4.4 2332 53.5   12.3 77 95   5 45   42 3.9 15.0   1.4 1513 0.00 0.00 0.184   0.011 602   27 100
Bisordi (Fulton) 8/11/26 79.6   2.3 1401 54.3   7.3 2349 54.4   0.6 78 93   4 48   1 2.5 12.1   0.7 1517 0.00 0.00 0.182   0.012 614   39 100
Windsor-South (Laughlin Rd) 8/11/26 80.4   3.2 1413 54.0   3.6 0030 52.8   6.8 74 92   7 42   41 - - - 0.00 0.00 - - 100
Fulton-SE (Barnes Rd) 8/11/26 78.3   2.6 1406 54.5   4.0 0035 53.4   0.2 76 93   4 45   2 1.8 14.8   0.6 1439 0.00 0.00 - - 100
Fulton-SW (Ranch 21) 8/11/26 79.1   1.5 1356 53.7   3.1 0029 52.9   24.7 76 93   7 44   44 3.2 16.7   3.7 1532 0.00 0.00 0.185   0.011 610   25 90
NW Santa Rosa (Piner Road) 8/11/26 77.9   1.9 1339 53.9   3.9 0009 56.3   0.7 86 100   0 51   2 2.3 15.1   3.0 1415 0.00 0.00 - - 80
River Rd South (Denner Ranch) 8/11/26 77.2   2.2 1303 53.1   4.2 2342 -11.6   3.8 28 100   0 0   0 5.3 19.1   1.3 1518 - - - - 90
West Santa Rosa (LOV Vineyard) 8/11/26 77.8   2.4 1330 54.1   3.1 2301 53.3   0.2 77 93   4 46   3 2.8 15.6   1.0 1424 0.00 0.00 0.032   0.002 0   0 90
Guerneville Rd (Prokopakis) 8/11/26 80.8   3.8 1354 54.8   5.1 0018 54.0   0.3 75 94   5 42   3 - - - 0.00 0.02 - - 100
SunnyView Vineyard (SCWC) 8/11/26 77.8   2.8 1316 53.8   5.2 2358 52.6   0.2 76 92   8 44   3 2.3 12.8   0.1 1457 0.00 0.00 0.157   0.007 524   20 100
Guerneville Rd West (Balletto) 8/11/26 76.6   1.7 1300 54.3   4.0 2124 54.9   0.3 81 95   4 53   2 3.1 14.9   0.5 1421 0.00 0.11 - - 80
Sanchietti Ranch 8/11/26 78.1   1.5 1308 55.5   5.1 2258 55.6   0.4 - 92   5 55   1 3.1 16.7   1.2 1438 0.00 0.00 - - 100
Occidental Rd (Sebastopol) 8/11/26 76.7   2.5 1249 53.6   3.5 2103 58.3   0.7 91 100   0 63   4 3.3 17.5   2.0 1517 0.00 0.00 - - 80
Harper's Rest (Windsor-West) 8/11/26 81.8   4.9 1428 52.8   4.9 0610 52.0   0.0 - 94   3 34   2 2.0 10.1   0.3 1534 0.00 0.02 - - 30
Lower Westside Rd (Ranch 12) 8/11/26 80.7   4.3 1418 53.7   5.6 0020 52.8   0.1 74 95   5 36   3 2.6 14.2   2.6 1440 0.00 0.02 - - 100
Guerneville (Laughlin Rd) 8/11/26 77.7   2.5 1337 52.1   4.6 2326 52.6   1.0 75 92   2 44   3 2.9 14.2   0.1 1630 0.00 0.01 - - 100
Korbel (Winery) 8/11/26 78.7   3.2 1353 54.0   3.7 0007 53.2   0.2 74 93   1 46   4 0.8 10.2   0.7 1419 0.00 0.00 - - 90
Forestville (Shone Farms) 8/11/26 81.1   3.8 1359 52.0   2.1 0649 53.5   0.1 76 96   2 41   4 2.3 15.1   3.6 1427 0.00 0.03 0.176   0.008 571   20 100
Forestville-NE (Ranch 30) 8/11/26 80.4   3.8 1349 53.1   5.2 0018 54.1   0.1 78 97   2 46   5 3.1 17.6   4.3 1439 0.00 0.01 0.184   0.010 590   20 20
Foggy Bend (Ranch 41) 8/11/26 80.8   4.4 1400 54.3   4.1 0056 54.8   0.0 77 94   3 47   3 2.3 16.2   3.4 1428 0.00 0.01 0.179   0.007 594   10 80
Last Stop 8/11/26 83.8   2.1 1346 49.2   1.8 0019 53.4   0.1 74 94   3 42   4 2.4 13.3   1.3 1405 0.00 0.00 0.181   0.006 571   20 50
Green Valley Vineyard 8/11/26 80.5   0.1 1327 49.8   1.8 0010 52.9   0.3 77 96   2 43   3 2.0 14.7   2.0 1417 0.00 0.02 0.031   0.000 11   3 100
Park Royal 8/11/26 78.4   1.7 1302 54.1   3.5 2225 52.7   0.3 76 92   6 43   4 - - - 0.00 0.00 - - 90
Merino 8/11/26 79.7   2.5 1340 54.5   6.1 2040 55.0   0.4 78 94   6 47   2 2.2 12.9   0.5 1425 0.00 0.00 0.181   0.007 599   20 100
Green Valley (Sanchietti) 8/11/26 81.1   0.9 1353 50.9   6.8 0001 - - - - - - - - - - - 100
Keefer Ranch (Green Valley) 8/11/26 78.2   0.9 1322 51.4   6.0 0011 53.9   1.4 77 94   3 48   1 - - - 0.00 0.01 - - 100
Graton-West (Dutton Ranch) 8/11/26 79.6   0.2 1315 54.1   8.3 2216 57.0   1.7 86 100   0 47   1 2.5 12.1   0.6 1518 0.00 0.04 - - 100
Graton-South (Mill Station Rd) 8/11/26 72.4   1.1 1307 53.3   3.4 2126 53.8   0.3 82 96   2 56   2 1.5 10.2   0.0 1726 0.00 0.01 - - 0
Occidental (Horseshoe Bend) 8/11/26 72.9   1.0 1330 51.6   3.9 2236 53.6   0.3 - 100   0 54   0 - - - 0.00 0.04 - - 10
Sexton Valley (Jacqueline's Blk) 8/11/26 73.8   1.5 1217 54.1   3.2 2126 55.0   0.2 84 96   2 58   2 1.7 13.3   0.5 1703 0.00 0.04 - - 0
Sebastopol Hills (Burnside Rd) 8/11/26 69.9   1.0 1314 52.3   1.6 2056 54.4   0.2 90 100   0 64   1 3.7 15.8   0.0 1612 0.00 0.00 - - 20
Pleasant Hill 8/11/26 76.4   0.6 1212 53.2   2.2 2105 53.3   0.2 - 95   2 47   0 2.5 14.7   0.6 1616 0.00 0.01 - - 100
Seaview/Fort Ross (Hirsch) 8/11/26 67.3   5.1 1805 47.5   11.0 0528 52.0   1.1 81 97   16 59   24 2.2 9.4   0.6 1318 0.00 0.05 0.151   0.019 626   34 90
Max   83.8 - 55.5 - 58.3 91 100 64 5.3 19.1 - 0.00 0.11 0.187 626 -
Avg   - - - - 52.0 77 - - 2.6 - - - - - - -
Min   67.3 - 47.5 - -11.6 28 86 0 0.0 0.0 - 0.00 0.00 0.031 0 -

Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 8/12/26 3:35 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 8/11/26 79.6   2.8 1424 48.1   2.4 0511 51.8   0.1 98   2 41   3 1.7   0.1 12.2   2.1 1303 SSE | 151 0.00 0.01 0.143   0.004 462   6 100   10
Lower Bennett Valley 8/11/26 80.7   5.1 1312 51.9   10.0 2235 53.7   2.3 100   0 40   3 3.2   0.0 11.5   0.0 1339 W | 270 0.00 0.00 0.181   0.016 580   43 100   20
Kenwood (Wildwood) 8/11/26 85.9   1.4 1407 52.1   5.7 0602 52.9   0.4 100   0 34   0 3.1   0.4 12.9   0.9 1422 NNW | 347 0.00 0.00 0.195   0.007 613   13 20   20
Sonoma Valley (Bedrock) 8/11/26 84.7   2.8 1710 50.2   4.0 0324 51.4   0.2 95   1 33   4 - - - - 0.00 0.00 - - 50   20
Sonoma-West (Arnold) 8/11/26 86.6   2.3 1547 47.7   1.8 0424 51.3   0.1 97   3 32   4 2.8   0.1 15.1   1.2 1524 ESE | 103 0.00 0.00 0.226   0.002 690   22 20   10
Sonoma Valley HS 8/11/26 82.0   1.4 1726 48.7   0.5 0630 54.5   0.6 100   0 43   4 2.2   0.1 11.8   4.1 1655 ESE | 117 0.00 0.00 0.188   0.005 619   23 50   20
Sonoma East (Bundschu01) 8/11/26 80.4   1.1 1344 46.1   0.4 0634 51.1   0.9 94   2 40   3 3.5   0.8 16.0   0.7 1743 ESE | 108 0.00 0.00 0.197   0.013 621   32 100   0
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) 8/11/26 80.0   0.4 1506 46.3   0.1 0629 51.2   0.8 95   0 40   2 2.4   0.5 14.5   2.0 1619 SSE | 156 0.00 0.00 - - 100   0
Ricci Vineyards (Carneros) 8/11/26 78.1   0.7 1338 49.8   0.8 0613 52.4   0.0 95   1 43   1 4.1   0.0 15.0   0.3 1628 S | 185 0.00 0.01 0.188   0.013 591   47 100   10
Carneros (Ranch 71) 8/11/26 76.3   0.2 1549 51.0   2.4 0612 52.6   1.2 95   2 46   0 3.1   0.0 13.9   1.9 1648 S | 185 0.00 0.00 0.178   0.005 602   44 100   0
Carneros Upper (Ranch 81) 8/11/26 78.2   0.5 1546 51.7   2.3 0614 52.8   1.1 - - 5.6   0.8 18.6   0.2 1654 S | 189 - - - - 100   0
Carneros Lower (Ranch 81) 8/11/26 78.0   0.6 1347 48.7   0.5 0557 52.9   0.8 100   0 0   0 1.9   0.5 13.6   1.8 1354 SSE | 163 0.00 0.00 0.173   0.005 574   19 100   0
Rohnert Park-West (Stony Point) 8/11/26 74.9   3.3 1241 54.3   10.8 2311 54.6   0.9 96   2 54   4 3.0   0.4 16.5   1.1 1725 W | 270 0.00 0.00 - - 20   10
Cartograph Wines Base 8/11/26 73.0   2.9 1227 53.1   1.1 0635 54.5   0.1 97   1 61   6 3.8   0.2 21.0   1.8 1605 S | 188 0.00 0.02 0.155   0.011 576   28 20   10
Cartograph Wines Remote 8/11/26 76.7   1.3 1227 54.2   4.3 0654 - - - - - - - - - - - 70   10
Rice-Spivak Vineyard 8/11/26 75.2   4.4 1224 53.6   8.3 0639 - - - - - - - - - - - 40   10
Penngrove (Asellus) 8/11/26 80.5   5.1 1309 54.3   9.0 0021 52.8   1.3 92   6 40   8 3.4   0.7 12.9   0.0 1657 WNW | 296 0.00 0.00 - - 90   10
Petaluma (Ranch 10) 8/11/26 81.2   6.5 1341 54.8   9.8 0044 53.3   2.0 91   5 41   7 2.9   0.7 12.8   0.0 1651 WNW | 288 0.00 0.00 0.183   0.016 588   45 70   20
Max   86.6 - 54.8 - 54.6 100 61 5.6 21.0 - - 0.00 0.02 0.226 690 -
Avg   - - - - 52.7 - - 3.1 - - - - - - - -
Min   73.0 - 46.1 - 51.1 91 0 1.7 11.5 - - 0.00 0.00 0.143 462 -