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Latest Observation

25 Stations

Daily Data | America/Los_Angeles
as of 9/6/26 2:38 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) 9/5/26 76.9   2.9 1426 48.8   1.4 0615 46.0   1.1 66   8 100   0 29   2 9.4   2.0 23.9   2.2 1937 NW | 320 0.00 0.33 0.194   0.021 588   13 30   20
Rockpile Lower (Cooley) 9/5/26 77.5   1.6 1257 51.9   1.5 0621 47.0   0.6 62   6 91   1 31   7 3.5   0.9 17.2   3.1 1950 W | 280 0.00 0.33 - - 30   20
Cloverdale-East (Ranch 83) 9/5/26 83.1   2.9 1509 49.5   6.0 0059 47.8 - - - 2.9   0.7 22.0   5.9 1514 S | 183 0.00 0.12 0.172   0.002 538   30 90   20
Cloverdale-SE (Ranch 38) 9/5/26 80.9   1.1 1502 52.8   2.5 0712 48.5   1.0 60   7 88   7 28   0 6.4   1.4 18.7   0.1 1529 NNW | 348 0.00 0.11 0.175   0.017 481   9 40   20
Geyserville-North (Hoffman) 9/5/26 82.8   1.0 1510 44.2   1.3 0616 48.7   1.4 65   4 95   1 30   1 2.0   0.3 12.7   0.7 1653 SW | 223 0.00 0.00 0.167   0.003 522   3 60   20
Geyserville (Ranch 3) 9/5/26 81.7   2.2 1510 44.7   2.2 0648 47.1   2.2 63   5 100   0 25   0 2.1   0.4 11.7   1.0 1418 SE | 130 0.00 0.13 0.174   0.003 532   15 100   20
Geyserville-East (Ranch 40) 9/5/26 80.4   0.1 1509 50.2   0.1 0641 48.9   1.7 62   7 95   2 30   0 4.2   0.4 23.2   2.7 1552 S | 188 0.00 0.12 0.181   0.012 536   3 40   20
Geyserville-South (Nervo Station) 9/5/26 80.5   0.0 1442 48.5   0.1 0630 - - - - 2.2   0.2 14.5   0.7 1543 S | 173 0.00 0.21 - - 40   20
Peterson (Ranch 09) 9/5/26 80.6   2.1 1446 42.5   2.0 0703 45.6   2.6 64   6 95   3 24   3 2.1   0.1 18.1   4.7 1324 SE | 133 0.00 0.20 0.169   0.003 540   2 60   10
Crazy Creek Ranch 9/5/26 82.0   2.7 1509 44.1   2.4 0626 48.8   2.2 69   6 100   0 29   2 1.8   0.2 13.4   0.7 1613 SSW | 192 0.00 0.23 0.176   0.006 573   10 50   20
Whitton Ranch (201e) 9/5/26 82.2   1.3 1441 40.4   2.0 0702 46.3   2.4 68   4 100   0 24   3 1.9   0.0 13.3   0.6 1533 S | 183 0.00 0.29 0.153   0.004 457   8 90   20
Lytton East (Shop Hill Bottom) 9/5/26 80.6   2.5 1421 44.8   0.6 0620 46.9   2.0 65   5 100   0 24   3 2.3   0.1 13.0   0.3 1525 SE | 131 0.00 0.27 0.181   0.013 572   20 50   20
Lytton East (Hill 5) 9/5/26 81.0   2.0 1425 47.2   0.4 0620 47.8   1.9 64   5 97   0 25   4 3.5   0.0 16.7   1.2 1542 S | 180 0.00 0.25 0.176   0.016 505   19 40   20
Lytton West Lower (Lew 6) 9/5/26 80.9   3.0 1428 45.1   0.5 0544 47.4   2.0 67   5 100   0 25   5 2.3   0.4 15.5   0.2 1327 SSE | 148 0.00 0.28 0.186   0.013 580   28 50   20
Lytton West Hill (23PS) 9/5/26 80.0   2.5 1453 48.6   0.2 0710 48.7   1.7 65   5 100   0 26   4 2.6   0.2 13.4   0.2 1525 S | 172 0.00 0.26 0.185   0.011 589   16 60   20
Big River 9/5/26 79.2   2.2 1426 48.0   0.0 0553 50.0   1.7 69   5 100   0 30   4 1.9   0.1 14.4   0.9 1608 S | 180 0.00 0.28 0.180   0.006 596   4 70   20
Jimtown-North (Piccolo Ranch 15) 9/5/26 81.7   2.4 1528 42.7   4.1 0603 45.4   3.1 64   6 100   0 21   2 1.7   0.2 17.1   2.2 1541 SW | 220 0.00 0.20 0.151   0.012 463   22 50   20
HWY 128/Chalk Hill Rd (Landslide) 9/5/26 82.4   3.1 1432 43.8   4.1 0643 47.3   2.9 68   6 97   3 26   0 1.8   0.1 14.9   1.8 1457 SW | 234 0.00 0.31 0.159   0.012 485   18 50   20
N Chalk Hill Rd (Ranch 63) 9/5/26 79.9   2.5 1451 41.5   5.4 0645 46.4   3.4 67   7 100   0 25   3 1.9   0.0 14.1   0.2 1613 SSE | 162 0.00 0.29 0.162   0.009 503   9 60   20
Newman Knights Valley 8/16/26 87.7   7.5 1555 53.8   0.1 0712 56.9   1.1 71   5 89   2 46   12 3.1   0.4 13.6   1.9 1647 SW | 220 0.00 0.00 - - 60   10
Knights Valley (Bavarian Lion) 9/5/26 80.1   2.5 1441 41.1   5.1 0708 44.6   4.0 67   6 98   0 24   1 2.4   0.1 15.8   3.3 1609 WNW | 291 0.00 0.26 0.175   0.014 550   26 20   20
Red Tail 9/5/26 80.5   2.0 1429 45.1   0.5 0654 48.4   1.8 68   5 95   0 31   3 2.9   0.3 18.5   2.3 1553 SSW | 195 0.00 0.28 0.176   0.010 563   0 70   20
Franz Valley (Stornetta) 9/5/26 79.1   2.5 1451 41.8   6.3 0655 45.9   3.8 - 100   0 23   4 1.4   0.0 13.0   1.4 1513 SSE | 162 0.00 0.43 - - 20   20
Upper Dry Creek Valley 9/5/26 82.2   1.5 1440 44.9   0.6 0639 47.6   0.8 62   5 96   1 27   4 2.3   0.3 15.7   1.5 1438 SSE | 148 0.00 0.14 0.180   0.003 562   27 90   20
Lower Dry Creek Valley 9/5/26 80.6   2.5 1435 46.8   0.8 0510 48.0   2.0 67   6 100   0 23   5 1.2   0.0 12.8   1.4 1513 S | 179 0.00 0.26 0.161   0.013 526   48 70   20
Max   83.1 - 52.8 - 50.0 69 100 31 9.4 23.9 - - 0.00 0.43 0.194 596 -
Avg   - - - - 47.3 65 - - 2.8 - - - - - - - -
Min   76.9 - 40.4 - 44.6 60 88 21 1.2 11.7 - - 0.00 0.00 0.151 457 -

Sonoma County-Central Daily Obs

37 Stations

Daily Data | America/Los_Angeles
as of 9/6/26 2:38 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) 9/5/26 80.8   3.0 1405 50.8   2.5 0405 50.7   1.9 69 89   2 34   3 0.0 8.3   5.0 1905 0.00 0.50 0.151   0.005 552   8 40
Windsor-East (Ranch 16) 9/5/26 80.2   3.3 1412 44.1   5.3 0638 47.4   3.8 68 100   0 26   5 2.5 17.6   2.5 1405 0.00 0.23 0.183   0.011 566   12 100
Mark West-North (Ranch 14) 9/5/26 79.9   3.0 1521 45.2   5.5 0648 47.7   3.3 67 98   0 24   10 1.3 11.8   1.0 1453 0.00 0.24 - - 0
Windsor-SE (Silk Rd) 9/5/26 80.0   4.2 1514 46.5   3.2 0345 48.7   3.0 71 100   0 27   12 1.8 14.5   0.7 1529 0.00 0.32 0.170   0.008 551   6 70
Fulton-NW (Ranch 5) 9/5/26 78.7   3.8 1348 44.8   5.2 0700 36.2   9.8 55 100   0 3   0 2.2 14.7   0.9 1540 0.00 0.23 0.178   0.008 571   8 70
Bisordi (Fulton) 9/5/26 79.2   4.0 1504 43.4   5.7 0655 49.6   3.3 73 98   0 32   14 2.0 15.0   0.1 1401 0.00 0.22 0.178   0.013 602   30 70
Windsor-South (Laughlin Rd) 9/5/26 80.6   4.2 1456 47.7   3.9 0635 48.0   13.2 68 100   0 0   0 - - - 0.00 0.17 - - 60
Fulton-SE (Barnes Rd) 9/5/26 78.7   3.1 1448 46.3   6.0 0641 49.4   3.1 69 96   1 30   8 2.5 15.3   7.3 1504 0.00 0.29 - - 70
Fulton-SW (Ranch 21) 9/5/26 78.3   3.0 1439 47.5   2.4 0417 35.5   22.7 59 100   0 0   0 2.5 17.8   2.3 1354 0.00 0.20 0.188   0.010 604   28 70
NW Santa Rosa (Piner Road) 9/5/26 78.2   3.1 1439 46.5   3.0 0331 51.4   2.1 77 100   0 33   13 1.9 13.6   0.9 1456 0.00 0.00 - - 70
River Rd South (Denner Ranch) 9/5/26 78.9   4.0 1436 44.9   4.4 0638 -6.9   3.1 27 100   0 0   0 3.1 18.4   2.0 1412 - - - - 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) 9/5/26 84.7   4.4 1436 45.0   4.4 0458 48.8   2.8 70 99   0 23   12 - - - 0.00 0.21 - - 60
SunnyView Vineyard (SCWC) 9/5/26 78.6   3.0 1334 45.0   2.9 0326 47.9   2.6 70 100   0 27   10 2.0 15.0   0.1 1520 0.00 0.27 0.162   0.016 514   37 50
Guerneville Rd West (Balletto) 9/5/26 77.9   2.8 1318 45.8   4.2 0519 50.0   2.6 74 100   0 34   11 2.2 13.9   0.7 1454 0.00 0.43 - - 70
Sanchietti Ranch 9/5/26 78.8   3.0 1328 46.8   2.5 0406 51.8   1.5 - 98   0 36   11 2.6 16.2   2.6 1551 0.00 0.28 - - 100
Occidental Rd (Sebastopol) 9/5/26 79.1   2.7 1308 45.8   2.9 0448 53.7   2.2 83 100   0 41   15 2.1 16.0   1.1 1525 0.00 0.20 - - 70
Harper's Rest (Windsor-West) 9/5/26 80.8   2.7 1442 46.8   2.4 0533 48.6   2.1 - 98   0 27   7 1.6 12.8   1.5 1513 0.00 0.45 - - 30
Lower Westside Rd (Ranch 12) 9/5/26 79.2   3.6 1435 45.1   4.7 0647 48.7   2.8 72 100   0 29   9 1.6 15.6   1.7 1502 0.00 0.45 - - 100
Guerneville (Laughlin Rd) 9/5/26 78.5   4.5 1259 48.9   1.6 0723 51.0   1.7 77 98   0 32   7 2.0 13.7   1.9 1435 0.00 0.81 - - 100
Korbel (Winery) 9/5/26 78.4   4.1 1302 49.8   2.5 0055 51.7   1.7 76 100   0 35   5 0.5 13.5   0.4 1427 0.00 0.52 - - 100
Forestville (Shone Farms) 9/5/26 79.6   3.9 1448 46.9   1.2 0630 50.0   2.4 71 98   0 32   11 1.8 14.2   1.1 1453 0.00 0.43 0.161   0.017 521   40 70
Forestville-NE (Ranch 30) 9/5/26 79.5   3.1 1259 47.9   1.0 0053 51.0   1.9 75 100   0 36   10 2.1 13.5   3.4 1516 0.01 0.40 0.170   0.020 551   48 50
Foggy Bend (Ranch 41) 9/5/26 78.6   3.7 1322 48.5   2.6 0540 51.7   1.8 75 98   0 40   8 2.1 15.9   0.7 1505 0.00 0.42 0.164   0.015 549   38 70
Last Stop 9/5/26 80.5   3.3 1326 44.3   3.5 0629 49.0   2.5 74 98   0 32   11 1.9 14.8   0.8 1511 0.00 0.39 0.161   0.007 546   14 20
Green Valley Vineyard 9/5/26 77.9   4.5 1445 46.2   2.8 0605 49.1   2.4 73 98   0 29   14 2.4 17.3   3.3 1704 0.00 0.57 0.050   0.070 59   323 40
Park Royal 9/5/26 78.6   4.0 1349 47.3   2.0 0314 48.6   2.5 70 98   0 28   10 - - - 0.00 0.21 - - 70
Merino 9/5/26 80.5   2.9 1353 43.9   4.2 0511 50.0   2.7 76 100   0 32   10 1.5 12.6   2.8 1441 0.00 0.33 0.173   0.023 574   63 100
Green Valley (Sanchietti) 9/5/26 79.9   3.3 1435 41.4   4.8 0536 - - - - - - - - - - - 70
Keefer Ranch (Green Valley) 9/5/26 77.7   3.8 1428 43.5   3.7 0649 49.4   2.2 76 98   0 36   9 - - - 0.00 0.48 - - 40
Graton-West (Dutton Ranch) 9/5/26 78.9   4.2 1439 43.9   4.2 0651 50.6   3.4 79 100   0 30   12 1.6 13.6   3.8 1508 0.00 0.61 - - 70
Graton-South (Mill Station Rd) 9/5/26 74.9   2.1 1313 42.0   4.9 0629 48.9   2.4 65 95   4 34   11 1.3 9.2   1.0 1504 0.00 0.40 - - 20
Occidental (Horseshoe Bend) 9/5/26 73.3   2.4 1436 50.8   0.3 0044 51.4   1.5 - 97   3 38   10 - - - 0.00 0.75 - - 10
Sexton Valley (Jacqueline's Blk) 9/5/26 76.0   2.0 1231 42.6   5.0 0635 50.6   2.1 77 100   1 43   4 1.6 15.4   0.1 1521 0.01 0.26 - - 50
Sebastopol Hills (Burnside Rd) 9/5/26 73.0   2.5 1250 49.8   1.1 0703 52.5   1.2 79 99   1 45   6 2.0 14.2   2.1 1451 0.00 0.00 - - 40
Pleasant Hill 9/5/26 78.0   3.5 1258 46.3   2.2 0649 50.3   1.6 - 98   1 37   3 2.0 13.5   1.3 1346 0.00 0.49 - - 50
Seaview/Fort Ross (Hirsch) 9/5/26 67.0   1.0 1407 50.6   1.5 0358 49.4   0.8 75 95   2 54   0 3.0 10.2   1.9 1754 0.00 0.07 0.148   0.003 575   4 0
Max   84.7 - 50.8 - 53.7 83 100 54 3.1 18.4 - 0.01 0.81 0.188 604 -
Avg   - - - - 47.5 71 - - 1.9 - - - - - - -
Min   67.0 - 41.4 - -6.9 27 89 0 0.0 8.3 - 0.00 0.00 0.050 59 -

Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 9/6/26 2:38 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 9/5/26 77.7   3.7 1416 49.0   0.2 0537 48.2   2.1 96   1 29   7 2.1   0.0 11.9   0.6 1417 SW | 227 0.00 0.01 0.131   0.012 416   20 50   10
Lower Bennett Valley 9/5/26 78.1   2.9 1350 40.9   5.7 0614 48.8   2.6 100   0 32   1 2.8   0.1 16.4   2.7 1406 SSW | 213 0.00 0.39 0.168   0.011 550   10 70   20
Kenwood (Wildwood) 9/5/26 80.5   4.1 1424 45.0   5.9 0603 48.2   3.7 100   0 29   3 2.8   0.3 16.7   1.5 1603 NNW | 348 0.00 0.21 0.175   0.018 554   15 20   20
Sonoma Valley (Bedrock) 9/5/26 80.1   4.8 1425 44.4   4.3 0653 46.5   3.2 98   0 26   4 - - - - 0.00 0.29 - - 100   20
Sonoma-West (Arnold) 9/5/26 81.9   4.2 1404 44.2   4.6 0630 48.0   3.3 100   0 24   5 3.2   0.0 22.1   1.8 1423 W | 276 0.00 0.35 0.209   0.016 641   11 40   20
Sonoma Valley HS 9/5/26 81.1   3.9 1425 46.3   5.3 0632 51.6   2.5 100   0 32   3 2.0   0.1 5.8   0.8 2012 SW | 216 0.00 0.01 0.172   0.012 572   11 70   20
Sonoma East (Bundschu01) 9/5/26 81.0   3.1 1437 43.5   5.6 0635 48.5   2.8 96   0 27   3 3.1   0.1 20.0   0.0 1439 SW | 232 0.00 0.23 0.187   0.012 581   7 100   20
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) 9/5/26 82.7   3.3 1428 43.4   6.6 0642 48.7   3.0 95   1 27   1 2.8   0.1 16.2   3.0 1448 W | 262 0.00 0.18 - - 100   0
Ricci Vineyards (Carneros) 9/5/26 81.7   4.1 1422 44.5   8.1 0610 49.8   2.8 96   0 29   1 4.4   0.6 18.7   0.6 1442 W | 259 0.00 0.12 0.198   0.014 594   12 100   20
Carneros (Ranch 71) 9/5/26 78.8   3.2 1451 52.1   1.8 0506 51.1   1.6 94   6 31   3 4.4   1.0 23.4   0.9 1746 W | 259 0.00 0.07 0.193   0.015 579   13 40   20
Carneros Upper (Ranch 81) 9/5/26 81.1   4.4 1436 52.3   1.1 0534 50.6   38.8 - - 6.2   1.7 26.5   2.5 1921 W | 266 - - - - 40   20
Carneros Lower (Ranch 81) 9/5/26 85.6   5.5 1522 45.3   7.1 0628 45.0   38.3 100   0 0   0 1.4   0.2 12.6   0.7 1606 W | 268 0.00 0.01 0.025   0.004 1   1 70   20
Rohnert Park-West (Stony Point) 9/5/26 77.4   3.8 1254 44.0   3.6 0416 50.7   2.7 98   1 42   3 2.6   0.0 20.5   1.2 1611 WSW | 258 0.00 0.19 - - 70   20
Cartograph Wines Base 9/5/26 75.5   3.7 1248 48.6   1.5 0622 53.2   1.8 98   1 45   11 3.7   0.3 21.2   1.1 1458 WSW | 239 0.00 0.30 0.163   0.015 563   18 30   10
Cartograph Wines Remote 9/5/26 76.8   3.7 1244 45.7   3.6 0549 - - - - - - - - - - - 20   10
Rice-Spivak Vineyard 9/5/26 78.5   4.0 1248 39.7   4.8 0541 - - - - - - - - - - - 60   20
Penngrove (Asellus) 9/5/26 79.6   4.3 1342 44.4   4.8 0512 49.1   3.2 98   0 29   2 1.9   0.6 16.0   0.4 1504 W | 265 0.01 0.34 - - 70   20
Petaluma (Ranch 10) 9/5/26 80.0   3.6 1350 45.4   5.3 0520 49.3   3.7 100   0 30   6 2.1   0.8 14.2   0.8 1412 WNW | 282 0.00 0.09 0.165   0.007 528   4 100   20
Max   85.6 - 52.3 - 53.2 100 45 6.2 26.5 - - 0.01 0.39 0.209 641 -
Avg   - - - - 49.2 - - 3.0 - - - - - - - -
Min   75.5 - 39.7 - 45.0 94 0 1.4 5.8 - - 0.00 0.01 0.025 1 -