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Latest Observation

25 Stations

Daily Data | America/Los_Angeles
as of 8/4/26 9:40 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) 8/3/26 101.8   7.3 1500 63.9   6.5 0119 46.0   1.5 29   14 50   23 13   4 6.7   6.0 22.8   4.2 0101 NNW | 334 0.00 0.04 0.321   0.003 699   6 0   0
Rockpile Lower (Cooley) 8/3/26 105.3   6.6 1444 64.7   3.0 0402 47.5   0.5 33   6 53   13 13   0 2.7   1.1 19.0   0.0 1551 W | 281 0.00 0.02 - - 0   0
Cloverdale-East (Ranch 83) 8/3/26 105.0   0.7 1542 59.3   2.8 0545 52.9   1.7 - - - 2.6   0.3 15.3   1.5 1712 SSE | 164 0.00 0.00 0.262   0.003 668   6 0   0
Cloverdale-SE (Ranch 38) 8/3/26 101.9   1.0 1607 63.3   0.5 0659 53.7   0.6 42   1 65   1 20   2 5.4   1.1 19.8   0.9 1553 NNW | 341 0.00 0.01 0.286   0.001 614   3 0   0
Geyserville-North (Hoffman) 8/3/26 101.1   0.4 1515 54.2   2.5 0555 56.1   0.7 53   6 88   3 23   2 2.4   0.1 14.8   2.6 1647 ESE | 119 0.00 0.00 0.232   0.001 590   3 0   0
Geyserville (Ranch 3) 8/3/26 101.4   0.7 1508 56.1   1.6 0618 53.6   1.1 49   7 82   2 19   1 2.4   0.6 14.2   0.7 1653 ESE | 102 0.00 0.00 0.252   0.005 655   5 0   0
Geyserville-East (Ranch 40) 8/3/26 99.3   0.4 1453 62.6   0.4 0534 54.2   0.2 47   3 71   1 23   0 5.3   0.0 20.4   0.3 1702 S | 190 0.00 0.00 0.278   0.005 649   5 0   0
Geyserville-South (Nervo Station) 8/3/26 99.4   1.0 1503 58.4   1.3 0637 - - - - 2.6   0.2 14.5   2.0 1547 SSE | 148 0.00 0.00 - - 0   0
Peterson (Ranch 09) 8/3/26 98.5   0.9 1506 53.9   1.0 0627 52.2   0.1 50   2 83   0 19   0 2.7   0.0 12.4   0.8 1627 SSE | 153 0.00 0.00 0.234   0.004 635   5 0   0
Crazy Creek Ranch 8/3/26 100.8   0.2 1532 54.1   0.5 0538 55.5   0.9 55   3 85   0 23   0 1.8   0.1 11.9   0.9 1555 SSE | 160 0.00 0.00 0.234   0.006 653   5 0   0
Whitton Ranch (201e) 8/3/26 100.9   2.3 1516 49.3   0.8 0618 53.4   0.0 55   1 95   1 21   0 2.2   0.2 12.1   0.3 1642 SE | 145 0.00 0.00 0.231   0.002 606   2 0   0
Lytton East (Shop Hill Bottom) 8/3/26 98.3   1.5 1441 52.6   0.2 0631 52.2   0.2 51   1 88   0 22   1 2.9   0.2 17.2   1.7 1602 SSE | 164 0.00 0.00 0.252   0.004 661   4 0   0
Lytton East (Hill 5) 8/3/26 98.4   1.7 1509 56.9   0.4 0619 52.6   0.3 50   3 82   1 23   1 4.1   0.5 19.4   2.1 1610 SSE | 155 0.00 0.00 0.250   0.004 596   3 0   0
Lytton West Lower (Lew 6) 8/3/26 98.3   1.9 1514 51.8   0.0 0618 52.9   0.2 54   1 91   1 23   2 2.5   0.0 17.3   2.9 1632 SSE | 158 0.00 0.00 0.233   0.005 600   5 0   0
Lytton West Hill (23PS) 8/3/26 96.8   2.6 1518 56.8   1.4 0628 53.3   0.1 51   2 82   4 24   4 3.4   0.6 17.1   2.0 1603 SSE | 164 0.00 0.00 0.254   0.002 648   2 0   0
Big River 8/3/26 97.5   1.2 1458 56.6   1.0 0605 55.1   0.3 55   2 85   3 27   1 2.2   0.2 14.9   0.1 1622 SE | 136 0.00 0.00 0.248   0.004 684   4 0   0
Jimtown-North (Piccolo Ranch 15) 8/3/26 100.3   1.4 1511 53.2   1.4 0625 51.4   1.2 50   3 82   0 17   1 1.3   0.1 15.1   2.2 1546 SSW | 203 0.00 0.00 0.210   0.001 602   2 0   0
HWY 128/Chalk Hill Rd (Landslide) 8/3/26 99.0   1.8 1404 54.4   1.4 0619 54.8   1.0 55   2 91   1 23   2 1.9   0.1 13.3   0.0 1545 SSW | 207 0.00 0.00 0.214   0.006 568   5 0   0
N Chalk Hill Rd (Ranch 63) 8/3/26 97.1   1.7 1513 51.9   1.4 0623 53.7   0.2 54   0 91   0 23   1 1.9   0.1 12.2   0.3 1610 SSE | 162 0.00 0.00 0.222   0.006 596   5 0   0
Newman Knights Valley 8/3/26 97.6   1.6 1507 56.4   5.3 0624 61.0   1.5 62   2 84   2 45   2 2.8   0.5 15.7   2.3 1614 WSW | 238 0.00 0.00 - - 0   0
Knights Valley (Bavarian Lion) 8/3/26 98.7   1.7 1525 54.2   5.3 0658 54.0   2.4 55   2 94   0 20   3 2.3   0.2 14.5   2.1 1713 SW | 228 0.00 0.00 0.239   0.000 645   6 0   0
Red Tail 8/3/26 96.9   1.5 1448 53.3   1.7 0603 55.5   0.0 57   4 85   0 30   4 2.7   0.3 15.7   0.7 1626 SSW | 209 0.00 0.01 0.241   0.002 646   6 0   0
Franz Valley (Stornetta) 8/3/26 98.1   0.5 1445 52.8   3.0 0613 53.8   2.5 - 88   0 23   4 1.5   0.0 11.2   0.2 1612 WSW | 252 0.00 0.00 - - 0   0
Upper Dry Creek Valley 8/3/26 102.3   0.7 1517 54.1   1.3 0640 53.4   1.2 49   7 85   0 21   8 2.7   0.4 14.4   1.7 1653 SSE | 151 0.00 0.00 0.257   0.007 665   1 10   10
Lower Dry Creek Valley 8/3/26 96.0   1.7 1424 53.0   0.4 0630 53.9   0.7 54   1 88   0 26   4 2.4   0.3 16.1   1.0 1606 N | 354 0.00 0.01 0.240   0.002 632   3 0   0
Max   105.3 - 64.7 - 61.0 62 95 45 6.7 22.8 - - 0.00 0.04 0.321 699 -
Avg   - - - - 53.4 51 - - 2.9 - - - - - - - -
Min   96.0 - 49.3 - 46.0 29 50 13 1.3 11.2 - - 0.00 0.00 0.210 568 -

Sonoma County-Central Daily Obs

37 Stations

Daily Data | America/Los_Angeles
as of 8/4/26 9:40 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) 8/3/26 97.1   3.4 1408 56.1   1.9 0515 56.0   0.3 59 82   0 29   1 0.0 0.6   8.2 1657 0.00 0.02 0.201   0.002 653   2 0
Windsor-East (Ranch 16) 8/3/26 94.4   3.5 1424 52.5   2.1 0538 52.8   0.6 57 90   2 26   5 3.4 14.3   0.9 1542 0.00 0.00 0.249   0.002 646   3 20
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) 8/3/26 92.9   4.2 1446 51.1   1.7 0612 53.2   0.5 60 93   1 25   1 1.8 12.2   5.1 1448 0.00 0.02 0.225   0.003 652   1 0
Fulton-NW (Ranch 5) 8/3/26 91.6   3.4 1422 52.6   1.7 0615 53.3   1.0 59 86   4 30   5 3.1 13.7   0.2 1710 0.00 0.00 0.238   0.009 656   3 30
Bisordi (Fulton) 8/3/26 92.5   3.2 1359 51.2   2.4 0625 55.4   0.8 64 91   2 34   5 1.9 13.6   1.6 1455 0.00 0.00 0.232   0.006 697   6 30
Windsor-South (Laughlin Rd) 8/3/26 94.1   2.9 1402 53.6   1.4 0541 53.3   0.4 59 88   1 25   1 - - - 0.00 0.00 - - 10
Fulton-SE (Barnes Rd) 8/3/26 92.5   4.2 1420 54.9   2.0 0621 53.9   0.7 57 85   4 31   6 2.5 12.4   0.7 1427 0.00 0.00 - - 30
Fulton-SW (Ranch 21) 8/3/26 91.6   3.1 1404 52.2   1.6 0532 52.9   0.7 59 88   1 29   5 2.9 13.6   0.4 1550 0.00 0.00 0.243   0.009 687   3 30
NW Santa Rosa (Piner Road) 8/3/26 91.2   4.5 1424 51.1   1.9 0552 56.5   0.8 70 100   0 35   7 2.0 12.8   0.1 1514 0.00 0.00 - - 30
River Rd South (Denner Ranch) 8/3/26 89.7   3.9 1346 50.6   1.6 0520 28.9   4.3 44 100   0 0   0 4.7 18.6   2.0 1417 - - - - 20
West Santa Rosa (LOV Vineyard) 8/3/26 91.5   3.3 1410 51.7   2.4 0506 53.0   0.9 63 92   1 29   5 2.1 14.2   2.1 1553 0.00 0.00 0.048   0.002 1   0 10
Guerneville Rd (Prokopakis) 8/3/26 94.2   4.7 1409 51.2   2.2 0513 53.8   0.7 61 92   1 27   3 - - - 0.00 0.02 - - 10
SunnyView Vineyard (SCWC) 8/3/26 91.2   3.6 1406 49.2   1.6 0617 52.0   0.8 61 92   0 29   6 1.8 12.3   1.6 1427 0.00 0.00 0.203   0.007 600   5 40
Guerneville Rd West (Balletto) 8/3/26 90.2   3.3 1404 52.0   2.2 0456 55.1   0.6 66 93   1 33   3 2.6 15.2   1.1 1546 0.00 0.11 - - 30
Sanchietti Ranch 8/3/26 91.3   4.3 1401 50.4   1.5 0456 55.8   0.4 - 92   2 37   6 3.0 14.6   2.3 1527 0.00 0.00 - - 30
Occidental Rd (Sebastopol) 8/3/26 90.2   3.8 1323 49.3   1.2 0604 55.2   0.9 71 100   0 30   5 2.5 14.7   1.1 1505 0.00 0.00 - - 0
Harper's Rest (Windsor-West) 8/3/26 96.0   6.5 1500 51.7   1.8 0547 52.8   0.1 - 92   2 23   5 1.8 11.1   0.5 1344 0.00 0.02 - - 0
Lower Westside Rd (Ranch 12) 8/3/26 95.4   3.8 1520 51.7   2.2 0504 53.2   0.1 59 93   1 23   4 1.9 14.1   4.0 1652 0.00 0.02 - - 0
Guerneville (Laughlin Rd) 8/3/26 90.0   5.7 1217 52.5   2.7 0557 53.1   0.9 60 92   0 31   8 2.2 15.0   2.2 1500 0.00 0.01 - - 30
Korbel (Winery) 8/3/26 92.0   4.1 1316 54.7   2.5 0531 54.0   0.2 58 92   1 29   8 1.1 15.6   1.2 1524 0.00 0.00 - - 20
Forestville (Shone Farms) 8/3/26 96.7   5.8 1438 54.4   1.9 0510 54.7   0.1 58 88   3 25   4 1.8 11.4   1.8 1618 0.00 0.03 0.225   0.000 650   1 0
Forestville-NE (Ranch 30) 8/3/26 96.7   5.8 1433 50.6   2.0 0606 55.4   0.3 63 94   1 29   4 2.2 13.7   1.8 1456 0.00 0.01 0.240   0.000 666   1 0
Foggy Bend (Ranch 41) 8/3/26 95.3   3.8 1441 52.5   2.1 0553 57.1   0.8 65 93   4 36   6 1.8 14.6   4.6 1604 0.00 0.01 0.231   0.002 661   2 0
Last Stop 8/3/26 98.7   3.0 1430 50.0   1.1 0548 55.2   0.1 64 96   1 27   2 1.8 12.7   3.0 1427 0.00 0.00 0.230   0.001 654   6 0
Green Valley Vineyard 8/3/26 94.7   2.5 1411 52.6   1.2 0637 54.1   0.1 61 94   1 26   4 1.8 12.5   1.1 1537 0.00 0.02 0.049   0.009 27   17 0
Park Royal 8/3/26 91.1   4.4 1333 51.9   0.9 0627 51.9   1.2 58 86   0 28   6 - - - 0.00 0.00 - - 30
Merino 8/3/26 93.7   4.3 1409 47.4   1.4 0558 54.5   0.6 67 100   0 32   6 2.2 13.1   2.2 1549 0.00 0.00 0.232   0.007 678   4 30
Green Valley (Sanchietti) 8/3/26 97.2   0.8 1408 47.2   2.0 0524 - - - - - - - - - - - 0
Keefer Ranch (Green Valley) 8/3/26 92.6   3.1 1414 49.4   2.0 0507 55.2   0.4 68 97   0 34   3 - - - 0.00 0.01 - - 0
Graton-West (Dutton Ranch) 8/3/26 93.2   2.7 1359 50.0   1.9 0440 56.3   0.6 69 100   0 28   2 2.3 11.3   0.8 1519 0.00 0.04 - - 0
Graton-South (Mill Station Rd) 8/3/26 84.2   5.7 1336 47.8   1.6 0603 53.2   0.7 68 96   0 38   9 1.3 9.4   0.6 1430 0.00 0.01 - - 50
Occidental (Horseshoe Bend) 8/3/26 87.3   2.3 1351 54.5   0.3 0059 53.9   0.3 - 91   3 34   3 - - - 0.00 0.04 - - 40
Sexton Valley (Jacqueline's Blk) 8/3/26 84.3   5.3 1146 48.8   1.5 0544 55.2   0.3 72 99   0 45   10 1.5 13.0   3.3 1540 0.00 0.04 - - 50
Sebastopol Hills (Burnside Rd) 8/3/26 82.2   4.2 1315 54.6   1.4 0055 55.6   0.5 72 97   6 46   9 3.4 14.5   0.9 1511 0.00 0.00 - - 100
Pleasant Hill 8/3/26 87.4   4.8 1341 51.3   1.7 0533 53.8   0.6 - 97   0 35   9 2.9 14.9   2.8 1446 0.00 0.01 - - 30
Seaview/Fort Ross (Hirsch) 8/3/26 85.1   8.1 1723 69.0   7.4 0101 48.5   1.8 36 46   20 28   6 2.2 10.4   0.1 1310 0.00 0.05 0.225   0.022 684   10 90
Max   98.7 - 69.0 - 57.1 72 100 46 4.7 18.6 - 0.00 0.11 0.249 697 -
Avg   - - - - 53.4 62 - - 2.2 - - - - - - -
Min   82.2 - 47.2 - 28.9 36 46 0 0.0 0.6 - 0.00 0.00 0.048 1 -

Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 8/4/26 9:40 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 8/3/26 94.6   0.8 1415 60.0   1.9 0101 51.8   1.2 70   3 26   3 1.9   0.3 10.4   0.7 1649 SE | 133 0.00 0.01 0.182   0.006 502   2 40   10
Lower Bennett Valley 8/3/26 95.0   0.5 1435 49.7   3.1 0504 52.6   1.3 94   1 27   3 2.4   0.1 11.5   1.2 1425 WSW | 249 0.00 0.00 0.233   0.009 648   3 30   10
Kenwood (Wildwood) 8/3/26 99.1   0.1 1547 53.2   2.8 0600 53.7   0.5 96   0 23   1 2.4   0.2 10.6   3.4 1555 N | 0 0.00 0.00 0.233   0.005 650   4 20   10
Sonoma Valley (Bedrock) 8/3/26 94.2   6.5 1449 51.9   2.9 0548 52.3   0.2 93   1 26   10 - - - - 0.00 0.00 - - 0   0
Sonoma-West (Arnold) 8/3/26 93.7   7.6 1400 51.5   2.5 0622 52.9   0.7 92   3 25   6 2.4   0.3 12.7   2.8 1820 NNW | 348 0.00 0.00 0.267   0.016 748   2 30   10
Sonoma Valley HS 8/3/26 91.5   7.0 1429 55.1   2.8 0632 57.8   0.2 100   0 33   8 2.2   0.1 10.5   3.2 1915 WSW | 240 0.00 0.00 0.231   0.006 672   5 30   10
Sonoma East (Bundschu01) 8/3/26 91.2   6.2 1845 52.3   2.1 0623 54.2   0.1 92   1 28   7 3.3   0.2 16.4   1.3 1507 SE | 127 0.00 0.00 0.243   0.005 669   4 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) 8/3/26 92.0   6.2 1828 52.0   1.3 0631 54.2   0.3 93   1 25   5 2.6   0.1 12.1   1.0 1843 WSW | 246 0.00 0.00 - - 60   10
Ricci Vineyards (Carneros) 8/3/26 88.6   8.7 1308 54.6   3.7 0636 54.6   0.7 91   4 28   7 4.2   0.9 15.1   2.8 1910 WNW | 285 0.00 0.01 0.243   0.006 656   1 70   10
Carneros (Ranch 71) 8/3/26 87.6   6.6 1406 58.7   1.3 0606 55.3   1.4 88   4 28   4 4.3   0.6 17.0   6.4 1852 WNW | 286 0.00 0.00 0.233   0.004 680   0 80   10
Carneros Upper (Ranch 81) 8/3/26 89.2   4.0 1405 57.4   0.6 0624 55.7   0.6 - - 3.8   0.4 14.6   0.4 1545 S | 181 - - - - 60   10
Carneros Lower (Ranch 81) 8/3/26 89.3   2.3 1403 54.3   0.9 0626 55.7   2.6 100   0 0   0 1.8   0.0 12.0   0.2 1634 S | 173 0.00 0.00 0.212   0.004 634   0 70   10
Rohnert Park-West (Stony Point) 8/3/26 86.2   3.0 1339 47.4   2.0 0500 53.6   0.7 95   1 40   8 2.2   0.5 18.4   2.8 1555 WSW | 239 0.00 0.00 - - 70   10
Cartograph Wines Base 8/3/26 82.8   3.4 1224 53.4   1.4 0223 55.3   1.1 92   2 45   9 3.9   0.5 23.4   5.6 1553 WSW | 238 0.00 0.02 0.210   0.017 668   6 100   10
Cartograph Wines Remote 8/3/26 86.2   1.9 1225 50.6   1.8 0511 - - - - - - - - - - - 100   20
Rice-Spivak Vineyard 8/3/26 85.4   4.2 1237 44.4   2.6 0444 - - - - - - - - - - - 100   20
Penngrove (Asellus) 8/3/26 93.5   0.3 1309 48.6   2.2 0536 50.9   0.7 93   1 26   3 2.2   0.1 12.3   0.4 1408 WNW | 283 0.00 0.00 - - 60   10
Petaluma (Ranch 10) 8/3/26 96.0   1.0 1429 51.0   4.2 0615 52.4   1.3 91   3 25   1 1.9   0.3 13.4   2.3 1632 WNW | 292 0.00 0.00 0.227   0.002 661   2 30   10
Max   99.1 - 60.0 - 57.8 100 45 4.3 23.4 - - 0.00 0.02 0.267 748 -
Avg   - - - - 53.9 - - 2.8 - - - - - - - -
Min   82.8 - 44.4 - 50.9 70 0 1.8 10.4 - - 0.00 0.00 0.182 502 -