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Latest Observation

25 Stations

Daily Data | America/Los_Angeles
as of 8/11/26 3:29 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) 8/10/26 90.2   9.4 1452 60.5   7.3 0056 48.7   6.7 44   17 66   25 27   19 6.9   3.3 20.8   6.1 0155 NW | 320 0.00 0.04 0.268   0.102 670   28 10   10
Rockpile Lower (Cooley) 8/10/26 92.0   11.6 1451 53.2   9.7 0633 52.4   7.4 59   29 97   26 27   19 2.4   1.4 13.8   8.2 1519 ESE | 113 0.00 0.02 - - 0   10
Cloverdale-East (Ranch 83) 8/10/26 92.6   10.0 1551 48.1   1.8 0613 51.9   1.4 - - - 2.9   0.6 16.8   2.4 1723 SSE | 162 0.00 0.00 0.225   0.014 631   16 0   0
Cloverdale-SE (Ranch 38) 8/10/26 89.5   10.4 1551 51.2   1.0 0659 53.6   0.8 68   4 95   3 30   7 6.3   0.9 21.6   4.5 1710 SSE | 147 0.00 0.01 0.226   0.030 582   19 0   0
Geyserville-North (Hoffman) 8/10/26 89.7   6.8 1526 48.0   2.5 0509 53.8   2.4 68   2 94   3 33   2 2.8   0.2 13.2   2.6 1255 S | 181 0.00 0.00 0.197   0.010 571   4 0   0
Geyserville (Ranch 3) 8/10/26 89.8   7.3 1526 48.8   3.5 0613 51.8   2.2 65   1 100   0 27   3 2.8   0.2 13.0   1.2 1705 SE | 133 0.00 0.00 0.210   0.011 603   3 0   0
Geyserville-East (Ranch 40) 8/10/26 86.6   8.0 1524 50.3   0.3 0633 53.9   1.1 74   4 99   1 35   3 6.3   0.6 21.9   3.6 1516 SSW | 198 0.00 0.00 0.212   0.032 606   23 0   0
Geyserville-South (Nervo Station) 8/10/26 88.0   5.4 1510 50.0   1.9 0606 - - - - 2.9   0.1 13.5   1.3 1656 SE | 133 0.00 0.00 - - 0   0
Peterson (Ranch 09) 8/10/26 87.3   5.6 1524 47.5   4.1 0534 51.1   1.9 68   2 93   2 29   1 3.0   0.2 12.2   0.3 1612 S | 176 0.00 0.00 0.185   0.023 544   32 0   0
Crazy Creek Ranch 8/10/26 89.1   7.9 1532 47.1   1.4 0546 53.6   1.2 70   3 97   1 36   7 2.0   0.4 12.1   2.3 1541 SSE | 154 0.00 0.00 0.202   0.011 623   12 0   0
Whitton Ranch (201e) 8/10/26 89.4   6.2 1553 42.6   2.3 0557 51.8   2.2 70   3 100   0 30   1 2.5   0.2 11.5   0.4 1719 SSE | 164 0.00 0.00 0.192   0.015 547   22 0   0
Lytton East (Shop Hill Bottom) 8/10/26 87.1   4.2 1535 45.9   7.4 0550 51.4   2.6 70   2 100   0 28   3 3.1   0.2 15.3   2.4 1817 S | 178 0.00 0.00 0.208   0.011 610   14 0   0
Lytton East (Hill 5) 8/10/26 86.7   5.3 1612 50.2   2.7 0542 52.1   2.0 71   2 98   1 29   3 4.2   0.2 17.8   2.7 1656 S | 173 0.00 0.00 0.199   0.016 546   17 0   0
Lytton West Lower (Lew 6) 8/10/26 87.1   4.3 1513 45.6   6.2 0538 51.6   3.0 71   1 100   0 29   3 2.9   0.0 14.6   2.2 1706 S | 175 0.00 0.00 0.195   0.012 562   10 0   0
Lytton West Hill (23PS) 8/10/26 86.6   3.2 1536 50.9   2.7 0549 52.6   2.1 72   1 100   0 28   4 3.8   0.1 16.8   1.3 1828 SSE | 161 0.00 0.00 0.215   0.012 640   9 0   10
Big River 8/10/26 86.0   5.4 1503 49.7   2.6 0538 53.8   1.2 73   4 100   0 36   5 2.8   0.2 14.8   0.5 1648 S | 175 0.00 0.00 0.203   0.018 623   26 30   20
Jimtown-North (Piccolo Ranch 15) 8/10/26 88.9   8.5 1513 47.4   1.7 0459 51.1   1.1 67   3 100   0 27   4 1.7   0.3 12.7   2.6 1535 SSW | 205 0.00 0.00 0.182   0.011 556   15 0   0
HWY 128/Chalk Hill Rd (Landslide) 8/10/26 88.4   5.8 1458 48.2   2.1 0424 53.1   0.6 69   3 94   4 33   8 2.4   0.2 12.1   0.7 1530 SW | 214 0.00 0.00 0.182   0.014 522   18 0   0
N Chalk Hill Rd (Ranch 63) 8/10/26 86.2   6.3 1514 46.3   2.5 0449 51.5   0.8 67   2 93   5 33   9 2.3   0.2 14.0   4.2 1628 SSE | 156 0.00 0.00 0.193   0.007 569   10 0   0
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) 8/10/26 88.7   8.8 1443 47.5   1.8 0302 52.3   1.2 68   4 95   2 30   12 2.5   0.8 12.5   1.0 1701 W | 272 0.00 0.00 0.206   0.010 607   18 0   0
Red Tail 8/10/26 85.9   7.7 1438 47.2   0.7 0439 53.0   0.7 71   3 93   0 41   11 3.1   0.0 14.9   1.7 1515 SSE | 166 0.00 0.01 0.202   0.017 615   7 30   20
Franz Valley (Stornetta) 8/10/26 88.6   10.8 1437 48.1   1.0 0413 52.6   1.6 - 94   0 31   15 1.7   0.4 10.6   0.4 1609 W | 278 0.00 0.00 - - 0   0
Upper Dry Creek Valley 8/10/26 91.5   3.7 1544 47.2   3.2 0551 52.0   2.3 66   0 94   2 26   1 3.3   0.3 14.4   0.4 1705 SSE | 150 0.00 0.00 0.224   0.006 638   13 0   0
Lower Dry Creek Valley 8/10/26 86.5   2.8 1512 47.5   5.8 0439 52.6   2.6 72   1 100   0 34   0 3.2   0.2 17.2   0.6 1518 ESE | 119 0.00 0.01 0.205   0.009 593   1 0   10
Max   92.6 - 60.5 - 56.0 74 100 52 6.9 21.9 - - 0.00 0.04 0.268 670 -
Avg   - - - - 52.4 68 - - 3.3 - - - - - - - -
Min   85.9 - 42.6 - 48.7 44 66 26 1.7 10.6 - - 0.00 0.00 0.182 522 -

Sonoma County-Central Daily Obs

37 Stations

Daily Data | America/Los_Angeles
as of 8/11/26 3:29 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) 8/10/26 86.8   2.6 1502 50.9   2.1 0600 52.7   1.8 71 88   1 37   0 0.0 0.0   0.4 0101 0.00 0.02 0.168   0.013 583   20 0
Windsor-East (Ranch 16) 8/10/26 83.6   4.2 1409 47.1   3.9 0404 51.8   1.6 73 100   4 37   7 3.9 13.8   1.3 1832 0.00 0.00 0.198   0.019 601   10 100
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) 8/10/26 84.0   1.3 1454 48.3   3.2 0318 52.8   1.7 76 99   0 37   1 2.2 11.2   0.7 1545 0.00 0.02 0.182   0.014 590   26 100
Fulton-NW (Ranch 5) 8/10/26 81.0   4.8 1313 49.5   4.0 0327 41.2   6.7 63 100   0 3   0 3.5 13.6   1.9 1823 0.00 0.00 0.195   0.022 629   8 100
Bisordi (Fulton) 8/10/26 82.0   4.4 1420 47.0   5.3 0313 53.8   1.5 78 97   1 46   8 2.3 11.3   1.0 1631 0.00 0.00 0.194   0.011 653   3 100
Windsor-South (Laughlin Rd) 8/10/26 83.6   3.0 1512 50.4   2.7 0417 46.0   8.1 69 100   5 0   36 - - - 0.00 0.00 - - 100
Fulton-SE (Barnes Rd) 8/10/26 80.9   4.5 1349 50.5   4.0 0347 53.2   0.9 76 96   2 43   6 1.6 14.2   1.2 1633 0.00 0.00 - - 100
Fulton-SW (Ranch 21) 8/10/26 80.6   4.3 1312 50.5   2.5 0304 28.2   8.3 56 100   0 0   0 3.2 13.0   0.8 1852 0.00 0.00 0.196   0.019 635   20 100
NW Santa Rosa (Piner Road) 8/10/26 79.8   5.5 1309 50.0   3.3 0226 55.6   1.5 85 100   0 49   6 2.3 12.1   1.5 1638 0.00 0.00 - - 90
River Rd South (Denner Ranch) 8/10/26 79.4   1.0 1419 48.9   2.3 0302 -15.4   11.3 25 100   0 0   0 5.0 17.8   1.8 1623 - - - - 100
West Santa Rosa (LOV Vineyard) 8/10/26 80.2   2.9 1257 51.0   1.5 0211 53.1   1.2 78 97   1 43   3 2.6 14.6   2.4 1455 0.00 0.00 0.034   0.001 0   0 100
Guerneville Rd (Prokopakis) 8/10/26 84.6   2.9 1434 49.7   2.4 0214 53.7   1.4 76 99   2 39   4 - - - 0.00 0.02 - - 90
SunnyView Vineyard (SCWC) 8/10/26 80.6   3.5 1259 48.6   4.1 0222 52.4   1.1 77 100   4 41   6 2.1 12.9   1.8 1439 0.00 0.00 0.164   0.013 544   14 100
Guerneville Rd West (Balletto) 8/10/26 78.3   3.1 1253 50.3   2.0 0155 54.6   1.3 82 99   1 51   4 3.1 14.4   2.4 1510 0.00 0.11 - - 90
Sanchietti Ranch 8/10/26 79.6   4.5 1255 50.5   3.6 0208 55.2   1.4 - 96   1 53   9 3.1 15.4   1.1 1610 0.00 0.00 - - 100
Occidental Rd (Sebastopol) 8/10/26 79.3   3.3 1242 50.2   0.1 0102 57.5   1.1 90 100   0 60   9 2.8 15.6   2.0 1607 0.00 0.00 - - 90
Harper's Rest (Windsor-West) 8/10/26 86.7   0.5 1539 47.9   1.8 0316 52.0   1.4 - 96   1 32   0 2.0 10.4   1.0 1823 0.00 0.02 - - 40
Lower Westside Rd (Ranch 12) 8/10/26 85.0   0.9 1446 48.1   3.3 0337 52.7   1.5 74 100   2 33   1 2.2 11.6   0.0 1633 0.00 0.02 - - 90
Guerneville (Laughlin Rd) 8/10/26 80.2   7.0 1541 47.5   2.0 0521 51.5   1.7 72 94   0 41   5 2.4 14.2   1.2 1328 0.00 0.01 - - 100
Korbel (Winery) 8/10/26 81.9   11.5 1300 50.4   2.3 0429 53.0   2.3 71 94   0 42   9 0.7 10.9   2.0 1518 0.00 0.00 - - 70
Forestville (Shone Farms) 8/10/26 84.9   1.9 1525 49.9   1.4 0300 53.6   1.5 76 98   1 37   1 2.0 11.5   1.7 1508 0.00 0.03 0.184   0.012 591   21 100
Forestville-NE (Ranch 30) 8/10/26 84.2   4.4 1454 47.9   2.8 0236 54.0   1.8 78 99   1 41   3 2.9 13.3   0.7 1517 0.00 0.01 0.194   0.016 610   22 0
Foggy Bend (Ranch 41) 8/10/26 85.2   3.2 1530 50.3   2.6 0231 54.8   1.9 77 97   2 44   1 2.0 12.7   2.5 1612 0.00 0.01 0.186   0.013 604   27 60
Last Stop 8/10/26 85.9   4.0 1418 47.4   2.1 0318 53.3   1.9 75 97   2 38   0 2.1 12.0   0.9 1505 0.00 0.00 0.187   0.015 591   25 30
Green Valley Vineyard 8/10/26 80.6   5.3 1437 47.9   2.3 0356 52.6   1.8 77 98   0 41   3 1.8 12.7   2.0 1631 0.00 0.02 0.031   0.002 13   6 100
Park Royal 8/10/26 80.1   4.8 1257 50.6   2.5 0228 52.4   1.0 77 98   1 39   6 - - - 0.00 0.00 - - 100
Merino 8/10/26 82.2   4.5 1340 48.4   2.2 0200 54.6   1.2 80 100   0 45   7 2.1 12.4   0.1 1610 0.00 0.00 0.188   0.013 618   7 100
Green Valley (Sanchietti) 8/10/26 82.0   5.1 1428 44.1   5.5 0325 - - - - - - - - - - - 100
Keefer Ranch (Green Valley) 8/10/26 79.1   4.2 1447 45.4   3.2 0338 52.6   2.2 78 97   0 47   3 - - - 0.00 0.01 - - 100
Graton-West (Dutton Ranch) 8/10/26 79.8   4.6 1319 45.9   5.1 0428 55.3   1.9 84 100   0 46   4 2.2 11.6   0.7 1634 0.00 0.04 - - 100
Graton-South (Mill Station Rd) 8/10/26 73.5   1.5 1222 49.8   0.3 0101 53.5   0.9 83 99   0 53   2 1.4 10.3   1.1 1545 0.00 0.01 - - 10
Occidental (Horseshoe Bend) 8/10/26 74.0   0.7 1234 47.7   1.4 0635 53.3   1.0 - 100   0 54   1 - - - 0.00 0.04 - - 20
Sexton Valley (Jacqueline's Blk) 8/10/26 75.3   0.7 1218 50.9   1.1 0101 54.8   1.0 85 98   0 56   1 1.5 12.8   2.1 1433 0.00 0.04 - - 10
Sebastopol Hills (Burnside Rd) 8/10/26 71.0   2.3 1256 50.6   0.4 0633 54.2   1.1 90 100   0 63   4 3.7 15.7   1.1 1531 0.00 0.00 - - 30
Pleasant Hill 8/10/26 77.0   5.5 1254 51.0   1.8 0609 53.1   1.0 - 96   0 47   7 2.4 14.1   3.4 1527 0.00 0.01 - - 100
Seaview/Fort Ross (Hirsch) 8/10/26 72.4   18.4 0102 58.5   12.5 1255 50.8   3.9 63 81   40 36   13 2.4 10.0   4.1 1503 0.00 0.05 0.170   0.095 661   22 100
Max   86.8 - 58.5 - 57.5 90 100 63 5.0 17.8 - 0.00 0.11 0.198 661 -
Avg   - - - - 50.2 75 - - 2.4 - - - - - - -
Min   71.0 - 44.1 - -15.4 25 81 0 0.0 0.0 - 0.00 0.00 0.031 0 -

Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 8/11/26 3:29 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 8/10/26 82.4   5.3 1424 50.5   0.9 0145 51.9   0.7 96   1 39   7 1.6   0.3 10.2   1.4 1542 SSE | 163 0.00 0.01 0.147   0.012 456   20 90   10
Lower Bennett Valley 8/10/26 85.8   4.4 1429 41.9   7.5 0611 51.4   2.5 100   0 37   6 3.1   0.1 11.5   0.6 1835 SE | 125 0.00 0.00 0.197   0.011 623   7 80   20
Kenwood (Wildwood) 8/10/26 87.3   8.2 1611 46.4   5.9 0554 52.5   1.1 100   0 34   12 2.7   0.1 11.9   1.2 1659 NNW | 327 0.00 0.00 0.202   0.011 626   1 0   0
Sonoma Valley (Bedrock) 8/10/26 81.9   11.6 1647 46.2   2.9 0551 51.1   0.7 94   1 37   11 - - - - 0.00 0.00 - - 30   20
Sonoma-West (Arnold) 8/10/26 84.3   11.6 1758 46.0   1.4 0613 51.2   0.1 94   1 27   7 2.6   0.3 14.0   2.0 1856 SW | 226 0.00 0.00 0.228   0.032 712   8 30   20
Sonoma Valley HS 8/10/26 80.6   11.6 1529 49.3   0.7 0502 55.1   0.6 100   0 47   15 2.2   0.1 7.6   4.9 1835 ENE | 71 0.00 0.00 0.193   0.019 642   10 30   20
Sonoma East (Bundschu01) 8/10/26 79.3   10.8 1532 46.5   2.5 0550 52.0   1.2 96   1 43   11 4.3   1.4 16.7   0.4 1604 SSE | 155 0.00 0.00 0.210   0.009 653   8 100   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) 8/10/26 80.4   10.1 1524 46.2   2.7 0526 52.0   1.4 95   0 42   10 2.9   0.6 12.5   0.7 1611 SSE | 165 0.00 0.00 - - 100   10
Ricci Vineyards (Carneros) 8/10/26 78.8   9.3 1516 48.9   3.2 0440 52.4   1.4 94   1 44   12 4.1   0.5 14.6   1.8 1737 S | 180 0.00 0.01 0.201   0.011 638   5 90   10
Carneros (Ranch 71) 8/10/26 76.5   8.3 1505 53.5   1.1 0059 53.9   0.5 93   7 46   9 3.1   0.4 12.0   1.0 1608 SE | 130 0.00 0.00 0.183   0.017 645   7 100   0
Carneros Upper (Ranch 81) 8/10/26 78.7   7.6 1525 54.0   1.8 0047 53.9   15.0 - - 4.8   0.6 18.8   3.3 1623 SW | 216 - - - - 100   0
Carneros Lower (Ranch 81) 8/10/26 77.4   7.9 1536 49.2   3.2 0441 53.6   1.7 100   0 0   0 2.4   0.5 15.3   3.1 1551 SSE | 167 0.00 0.00 0.178   0.014 593   16 100   0
Rohnert Park-West (Stony Point) 8/10/26 78.2   1.1 1235 43.5   4.0 0211 53.7   1.2 98   1 50   1 2.5   0.0 17.6   2.0 1432 SW | 236 0.00 0.00 - - 30   10
Cartograph Wines Base 8/10/26 75.9   1.9 1230 52.0   1.0 0644 54.4   1.0 98   1 55   3 3.6   1.1 22.8   1.1 1523 SW | 227 0.00 0.02 0.166   0.005 604   11 30   10
Cartograph Wines Remote 8/10/26 78.0   3.8 1226 49.8   1.4 0157 - - - - - - - - - - - 80   20
Rice-Spivak Vineyard 8/10/26 79.6   3.0 1213 45.3   3.6 0147 - - - - - - - - - - - 50   10
Penngrove (Asellus) 8/10/26 85.6   2.6 1332 45.3   2.5 0336 51.5   1.5 98   1 32   4 2.7   0.4 12.9   0.6 1513 W | 278 0.00 0.00 - - 100   10
Petaluma (Ranch 10) 8/10/26 87.7   1.3 1407 45.0   4.4 0631 51.3   2.3 96   2 34   1 2.2   0.7 12.8   0.9 1702 NW | 307 0.00 0.00 0.199   0.004 633   33 50   10
Max   87.7 - 54.0 - 55.1 100 55 4.8 22.8 - - 0.00 0.02 0.228 712 -
Avg   - - - - 52.6 - - 3.0 - - - - - - - -
Min   75.9 - 41.9 - 51.1 93 0 1.6 7.6 - - 0.00 0.00 0.147 456 -