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Latest Observation

25 Stations

Daily Data | America/Los_Angeles
as of 9/7/26 3:38 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) 9/6/26 76.4   0.5 1549 47.0   1.8 0648 42.9   3.2 57   8 92   8 24   4 8.4   1.0 27.2   3.3 1720 NNW | 328 0.00 0.33 0.199   0.005 593   5 50   20
Rockpile Lower (Cooley) 9/6/26 78.3   0.9 1547 48.8   3.0 0553 43.7   3.3 55   7 87   4 22   9 5.3   1.8 23.2   6.0 1713 WNW | 286 0.00 0.33 - - 50   20
Cloverdale-East (Ranch 83) 9/6/26 85.4   2.3 1531 40.8   8.7 0619 44.1   3.6 - - - 2.3   0.6 13.7   8.3 1647 WNW | 286 0.00 0.12 0.185   0.013 556   18 100   10
Cloverdale-SE (Ranch 38) 9/6/26 84.5   3.6 1549 47.3   5.5 0655 46.6   1.9 56   4 88   1 24   4 4.2   2.1 14.4   4.4 1351 N | 351 0.00 0.11 0.176   0.001 479   2 60   20
Geyserville-North (Hoffman) 9/6/26 87.6   4.8 1614 41.2   3.1 0638 45.8   2.9 59   6 94   1 22   8 1.9   0.1 11.5   1.2 1701 W | 270 0.00 0.00 0.173   0.006 525   3 50   10
Geyserville (Ranch 3) 9/6/26 84.7   3.0 1601 42.8   1.9 0642 43.9   3.2 55   7 100   0 17   8 2.1   0.0 16.4   4.7 1403 N | 2 0.00 0.13 0.180   0.006 530   1 90   10
Geyserville-East (Ranch 40) 9/6/26 86.6   6.2 1606 48.3   1.9 0703 47.6   1.4 59   3 95   1 22   8 2.9   1.3 15.1   8.1 1736 W | 279 0.00 0.12 0.177   0.004 539   2 30   10
Geyserville-South (Nervo Station) 9/6/26 85.6   5.0 1532 46.1   2.4 0658 - - - - 2.1   0.1 12.8   1.7 1914 WNW | 291 0.00 0.21 - - 60   20
Peterson (Ranch 09) 9/6/26 85.0   4.4 1606 42.1   0.5 0654 44.9   0.7 60   4 94   0 17   6 1.8   0.3 10.6   7.5 1842 NW | 320 0.00 0.20 0.169   0.000 541   1 50   10
Crazy Creek Ranch 9/6/26 85.4   3.4 1639 43.0   1.1 0704 46.7   2.0 64   5 99   0 22   7 2.0   0.2 12.6   0.9 1437 NW | 323 0.00 0.23 0.183   0.007 573   0 70   20
Whitton Ranch (201e) 9/6/26 88.3   6.1 1650 37.3   3.1 0645 44.4   2.0 64   4 100   0 17   7 1.7   0.2 11.8   1.4 1825 WNW | 285 0.00 0.29 0.154   0.001 457   0 80   10
Lytton East (Shop Hill Bottom) 9/6/26 83.7   3.1 1645 44.3   0.5 0706 47.8   0.8 65   1 100   0 23   1 2.5   0.1 12.7   0.3 1244 SE | 135 0.00 0.27 0.184   0.003 569   3 70   20
Lytton East (Hill 5) 9/6/26 84.1   3.1 1540 45.6   1.6 0701 48.4   0.6 63   0 98   0 22   3 3.4   0.1 18.2   1.5 1720 SSE | 160 0.00 0.25 0.180   0.004 502   3 60   20
Lytton West Lower (Lew 6) 9/6/26 83.7   2.8 1650 45.8   0.7 0304 48.3   0.9 66   1 100   0 23   2 2.3   0.0 16.6   1.1 1430 SE | 131 0.00 0.28 0.187   0.001 579   1 70   20
Lytton West Hill (23PS) 9/6/26 83.1   3.1 1623 46.0   2.6 0706 48.9   0.2 65   0 100   0 24   2 2.8   0.2 13.0   0.4 1456 S | 183 0.00 0.26 0.188   0.003 584   4 80   20
Big River 9/6/26 81.9   2.7 1508 46.9   1.1 0659 50.6   0.6 69   0 100   0 31   1 1.7   0.2 13.7   0.7 1806 SSE | 156 0.00 0.28 0.182   0.002 594   2 90   20
Jimtown-North (Piccolo Ranch 15) 9/6/26 84.9   3.2 1609 43.1   0.4 0319 45.1   0.3 61   3 100   0 20   2 1.6   0.1 14.9   2.2 1624 WSW | 240 0.00 0.20 0.152   0.001 462   1 70   20
HWY 128/Chalk Hill Rd (Landslide) 9/6/26 84.4   2.0 1600 41.7   2.1 0631 47.5   0.2 67   0 97   1 23   3 1.8   0.0 13.7   1.2 1440 SSW | 194 0.00 0.31 0.159   0.000 482   3 70   20
N Chalk Hill Rd (Ranch 63) 9/6/26 82.8   2.9 1625 42.1   0.6 0414 46.9   0.6 66   0 100   0 25   0 1.8   0.1 13.1   1.0 1725 SSE | 150 0.00 0.29 0.162   0.000 502   1 80   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) 9/6/26 83.2   3.1 1546 37.3   3.8 0650 45.0   0.4 67   1 98   0 23   0 2.2   0.1 14.0   1.8 1420 NW | 313 0.00 0.26 0.174   0.001 551   0 40   20
Red Tail 9/6/26 83.8   3.3 1533 41.8   3.3 0648 48.6   0.2 69   0 95   0 32   1 2.5   0.4 14.5   3.9 1802 SE | 138 0.00 0.28 0.174   0.002 559   4 90   20
Franz Valley (Stornetta) 9/6/26 82.5   3.4 1512 39.1   2.7 0656 45.7   0.2 - 100   0 24   1 1.5   0.0 12.5   0.5 1543 SSE | 159 0.00 0.43 - - 40   20
Upper Dry Creek Valley 9/6/26 85.0   2.8 1601 42.0   2.9 0648 43.9   3.6 56   5 97   0 17   10 2.4   0.1 13.8   1.9 1833 NW | 316 0.00 0.14 0.193   0.013 577   16 100   10
Lower Dry Creek Valley 9/6/26 84.2   3.6 1629 42.3   4.4 0643 47.2   0.8 65   2 100   0 23   1 1.4   0.2 12.4   0.4 1358 SE | 139 0.00 0.26 0.166   0.005 530   4 90   20
Max   88.3 - 48.8 - 50.6 69 100 32 8.4 27.2 - - 0.00 0.43 0.199 594 -
Avg   - - - - 46.3 62 - - 2.6 - - - - - - - -
Min   76.4 - 37.3 - 42.9 55 87 17 1.4 10.6 - - 0.00 0.00 0.152 457 -

Sonoma County-Central Daily Obs

37 Stations

Daily Data | America/Los_Angeles
as of 9/7/26 3:38 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) 9/6/26 85.4   4.6 1607 49.1   1.7 0744 51.6   0.9 69 91   3 34   0 1.1 11.1   2.8 1714 0.00 0.50 0.162   0.011 534   18 30
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) 9/6/26 81.8   1.9 1527 45.9   0.7 0340 49.0   1.3 69 98   1 29   5 1.4 10.4   1.3 1731 0.00 0.24 - - 60
Windsor-SE (Silk Rd) 9/6/26 82.4   2.4 1633 45.7   0.8 0230 50.5   1.8 73 100   0 30   3 1.5 12.6   1.8 1813 0.00 0.32 0.162   0.008 533   18 90
Fulton-NW (Ranch 5) 9/6/26 80.4   1.7 1641 45.5   0.7 0354 34.9   1.3 53 100   0 3   0 2.5 14.6   0.1 1725 0.00 0.23 0.178   0.000 552   20 90
Bisordi (Fulton) 9/6/26 81.0   1.8 1615 43.4   0.0 0400 50.8   1.2 75 98   0 37   5 1.7 12.9   2.2 1737 0.00 0.22 0.171   0.007 573   29 90
Windsor-South (Laughlin Rd) 9/6/26 82.5   1.9 1621 49.3   1.6 0227 42.9   5.1 63 100   0 0   0 - - - 0.00 0.17 - - 80
Fulton-SE (Barnes Rd) 9/6/26 80.3   1.6 1615 46.0   0.3 0450 50.0   0.6 70 97   0 34   4 2.1 13.4   2.0 1656 0.00 0.29 - - 90
Fulton-SW (Ranch 21) 9/6/26 80.3   2.0 1549 47.0   0.5 0234 23.4   12.1 49 100   0 0   0 2.3 13.6   4.2 1511 0.00 0.20 0.182   0.006 581   22 90
NW Santa Rosa (Piner Road) 9/6/26 81.1   2.9 1602 46.0   0.5 0227 53.2   1.8 80 100   0 38   5 1.5 10.9   2.7 1745 0.00 0.00 - - 90
River Rd South (Denner Ranch) 9/6/26 80.9   2.0 1526 46.3   1.4 0221 -5.4   1.5 28 100   0 0   0 2.8 14.9   3.5 1403 - - - - 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) 9/6/26 86.6   1.9 1616 46.0   1.0 0204 51.2   2.5 71 99   0 26   3 - - - 0.00 0.21 - - 50
SunnyView Vineyard (SCWC) 9/6/26 80.8   2.2 1534 44.2   0.8 0231 50.0   2.1 73 100   0 31   4 1.4 11.3   3.7 1827 0.00 0.27 0.149   0.013 497   17 70
Guerneville Rd West (Balletto) 9/6/26 81.2   3.3 1621 46.6   0.8 0202 52.5   2.5 76 100   0 37   3 1.8 11.0   2.9 1514 0.00 0.43 - - 90
Sanchietti Ranch 9/6/26 81.6   2.8 1609 47.4   0.6 0128 53.2   1.4 - 97   0 40   4 2.3 13.7   2.4 1422 0.00 0.28 - - 100
Occidental Rd (Sebastopol) 9/6/26 83.0   3.9 1605 46.6   0.8 0138 55.8   2.1 86 100   0 43   2 1.8 12.5   3.5 1348 0.00 0.20 - - 90
Harper's Rest (Windsor-West) 9/6/26 85.2   4.4 1604 46.8   0.0 0705 49.7   1.1 - 97   0 27   0 1.6 10.0   2.7 1413 0.00 0.45 - - 50
Lower Westside Rd (Ranch 12) 9/6/26 83.2   4.0 1637 46.6   1.5 0210 50.1   1.4 71 100   0 29   1 1.4 12.0   3.6 1412 0.00 0.45 - - 100
Guerneville (Laughlin Rd) 9/6/26 78.0   0.5 1513 47.3   1.5 0715 51.2   0.2 76 98   0 40   9 1.9 13.5   0.2 1352 0.00 0.81 - - 100
Korbel (Winery) 9/6/26 80.2   1.8 1547 49.9   0.0 0708 52.0   0.3 75 100   0 34   1 1.2 10.4   3.1 1635 0.00 0.52 - - 100
Forestville (Shone Farms) 9/6/26 82.8   3.2 1558 48.0   1.1 0754 51.5   1.5 72 98   0 33   1 1.5 10.5   3.7 1454 0.00 0.43 0.159   0.002 523   2 90
Forestville-NE (Ranch 30) 9/6/26 82.0   2.5 1629 46.6   1.3 0130 52.0   1.0 75 100   0 37   2 2.1 12.3   1.2 1414 0.00 0.40 0.166   0.004 536   15 40
Foggy Bend (Ranch 41) 9/6/26 81.3   2.7 1559 47.2   1.3 0223 52.9   1.2 76 97   0 41   1 1.8 11.2   4.7 1318 0.00 0.42 0.161   0.003 544   5 90
Last Stop 9/6/26 80.7   0.2 1615 45.8   1.6 0130 51.4   2.4 75 98   0 36   4 1.7 10.3   4.5 1403 0.00 0.39 0.154   0.007 508   38 40
Green Valley Vineyard 9/6/26 79.1   1.2 1523 46.6   0.4 0231 50.9   1.8 75 98   0 35   6 1.7 11.6   5.7 1336 0.00 0.57 0.026   0.024 4   55 60
Park Royal 9/6/26 80.8   2.2 1548 48.5   1.1 0155 50.1   1.5 71 98   0 31   3 - - - 0.00 0.21 - - 90
Merino 9/6/26 83.4   2.9 1653 44.6   0.7 0218 52.1   2.1 77 100   0 35   3 1.7 12.3   0.4 1802 0.00 0.33 0.167   0.006 533   41 100
Green Valley (Sanchietti) 9/6/26 82.4   2.5 1526 42.3   0.9 0226 - - - - - - - - - - - 90
Keefer Ranch (Green Valley) 9/6/26 80.0   2.3 1638 44.9   1.4 0308 51.8   2.4 78 98   0 40   4 - - - 0.00 0.48 - - 60
Graton-West (Dutton Ranch) 9/6/26 80.3   1.4 1330 44.8   0.9 0328 52.8   2.2 81 100   0 32   2 1.4 11.0   2.6 1657 0.00 0.61 - - 90
Graton-South (Mill Station Rd) 9/6/26 78.6   3.7 1648 43.4   1.5 0310 50.6   1.7 77 99   4 34   0 0.6 7.0   2.2 1556 0.00 0.40 - - 40
Occidental (Horseshoe Bend) 9/6/26 75.1   1.8 1445 49.2   1.6 0440 51.6   0.1 - 100   3 42   4 - - - 0.00 0.75 - - 0
Sexton Valley (Jacqueline's Blk) 9/6/26 79.2   3.3 1708 42.8   0.2 0358 51.9   1.2 79 99   0 42   1 1.2 10.2   5.3 1300 0.00 0.26 - - 70
Sebastopol Hills (Burnside Rd) 9/6/26 77.0   4.0 1543 49.2   0.6 0413 53.0   0.5 80 100   1 42   3 1.7 12.2   2.0 1214 0.00 0.00 - - 60
Pleasant Hill 9/6/26 80.7   2.7 1558 46.4   0.1 0357 51.0   0.7 - 97   1 35   2 1.8 10.6   2.8 1356 0.00 0.49 - - 70
Seaview/Fort Ross (Hirsch) 9/6/26 70.1   3.1 1530 51.9   1.3 0345 46.9   2.5 63 79   16 48   7 4.2 15.2   5.0 1047 0.00 0.07 0.161   0.013 570   5 0
Max   86.6 - 51.9 - 55.8 86 100 48 4.2 15.2 - 0.00 0.81 0.182 581 -
Avg   - - - - 48.1 71 - - 1.8 - - - - - - -
Min   70.1 - 42.3 - -5.4 28 79 0 0.6 7.0 - 0.00 0.00 0.026 4 -

Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 9/7/26 3:38 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 9/6/26 77.9   0.2 1610 47.0   2.0 0728 47.9   0.3 97   1 32   2 2.1   0.0 10.2   1.8 1425 SW | 225 0.01 0.02 0.129   0.002 412   4 70   20
Lower Bennett Valley 9/6/26 78.1   0.0 1409 40.0   0.9 0648 48.1   0.6 100   0 34   2 3.0   0.2 14.9   1.5 1454 S | 181 0.00 0.39 0.165   0.003 522   28 90   20
Kenwood (Wildwood) 9/6/26 79.4   1.0 1439 43.2   1.9 0704 47.1   1.1 100   0 30   1 2.8   0.1 15.1   1.5 1329 N | 349 0.00 0.21 0.169   0.006 539   15 40   20
Sonoma Valley (Bedrock) 9/6/26 80.2   0.1 1437 41.0   3.3 0615 45.8   0.7 96   1 20   6 - - - - 0.00 0.29 - - 100   0
Sonoma-West (Arnold) 9/6/26 80.3   1.6 1351 41.3   3.0 0558 46.8   1.2 97   3 28   3 3.1   0.1 18.8   3.2 1528 SW | 220 0.00 0.35 0.205   0.004 631   10 60   20
Sonoma Valley HS 9/6/26 79.1   2.0 1434 44.4   1.9 0628 51.1   0.5 100   0 35   3 2.0   0.0 10.4   4.6 1751 WSW | 251 0.00 0.01 0.170   0.002 570   2 90   20
Sonoma East (Bundschu01) 9/6/26 80.1   0.9 1436 41.2   2.3 0702 47.4   1.1 96   0 29   1 2.8   0.2 18.6   1.3 1339 W | 263 0.00 0.23 0.183   0.004 579   2 100   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) 9/6/26 81.5   1.2 1431 41.6   1.8 0611 47.5   1.2 95   0 26   1 2.6   0.2 14.8   1.3 1345 WSW | 253 0.00 0.18 - - 100   0
Ricci Vineyards (Carneros) 9/6/26 80.0   1.7 1522 43.1   1.4 0507 48.1   1.8 97   1 24   5 3.4   1.0 17.4   1.3 1346 SSW | 207 0.00 0.12 0.189   0.009 589   5 100   0
Carneros (Ranch 71) 9/6/26 77.9   0.9 1521 51.2   1.0 0651 49.8   1.3 93   1 29   2 4.2   0.2 18.2   5.2 1635 W | 262 0.00 0.07 0.187   0.006 576   3 60   20
Carneros Upper (Ranch 81) 9/6/26 78.0   3.1 1553 51.8   0.6 0735 49.8   0.9 - - 5.9   0.3 22.9   3.6 1456 SSW | 208 - - - - 60   20
Carneros Lower (Ranch 81) 9/6/26 84.1   1.5 1633 43.6   1.7 0608 45.8   0.8 100   0 0   0 0.9   0.4 17.5   4.8 1448 SE | 143 0.00 0.01 0.018   0.007 0   1 90   20
Rohnert Park-West (Stony Point) 9/6/26 76.4   0.9 1516 42.5   1.4 0246 50.4   0.3 99   0 44   2 1.9   0.6 16.2   4.3 1351 WSW | 254 0.00 0.19 - - 90   20
Cartograph Wines Base 9/6/26 74.7   0.7 1511 46.6   1.9 0520 52.6   0.7 99   0 49   4 3.3   0.5 19.6   1.6 1626 SW | 217 0.00 0.30 0.149   0.014 510   52 20   10
Cartograph Wines Remote 9/6/26 73.4   3.4 1444 45.1   0.6 0444 - - - - - - - - - - - 40   20
Rice-Spivak Vineyard 9/6/26 76.9   1.6 1440 38.6   1.1 0358 - - - - - - - - - - - 80   20
Penngrove (Asellus) 9/6/26 76.5   3.2 1305 43.8   0.6 0549 49.0   0.1 98   0 35   6 2.3   0.4 15.1   0.9 1606 SSE | 151 0.00 0.34 - - 60   10
Petaluma (Ranch 10) 9/6/26 77.8   2.2 1442 41.7   3.7 0625 47.7   1.6 100   0 33   3 2.2   0.1 12.7   1.5 1646 WSW | 248 0.00 0.09 0.163   0.002 529   2 100   0
Max   84.1 - 51.8 - 52.6 100 49 5.9 22.9 - - 0.01 0.39 0.205 631 -
Avg   - - - - 48.4 - - 2.8 - - - - - - - -
Min   73.4 - 38.6 - 45.8 93 0 0.9 10.2 - - 0.00 0.01 0.018 0 -