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Latest Observation

25 Stations

Daily Data | America/Los_Angeles
as of 9/12/26 1:45 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) 9/11/26 88.9   8.9 1519 61.1   6.0 0714 39.7   8.8 32   16 50   20 20   12 9.4   0.8 33.5   5.0 1827 NW | 312 0.00 0.33 0.271   0.046 569   10 80   10
Rockpile Lower (Cooley) 9/11/26 92.1   8.0 1406 52.5   18.8 0539 44.2   12.4 42   27 91   63 17   9 4.6   0.0 25.9   5.1 1734 W | 276 0.00 0.33 - - 70   10
Cloverdale-East (Ranch 83) 9/11/26 91.7   13.6 1520 49.5   6.2 0422 52.5   10.7 - - - 2.1   1.3 14.0   2.1 1601 SSW | 192 0.00 0.12 0.183   0.053 534   16 70   10
Cloverdale-SE (Ranch 38) 9/11/26 89.2   16.2 1518 52.2   6.1 0524 53.0   9.9 63   36 96   16 32   22 4.5   1.4 17.8   5.5 1555 SSE | 152 0.00 0.11 0.177   0.088 453   22 30   10
Geyserville-North (Hoffman) 9/11/26 86.7   19.2 1525 50.4   7.4 0338 55.3   3.4 70   24 94   8 39   24 2.1   0.5 10.4   5.8 1627 SSE | 162 0.00 0.00 0.160   0.042 485   20 0   10
Geyserville (Ranch 3) 9/11/26 86.8   16.8 1530 52.4   4.3 0255 54.0   5.8 69   25 100   15 34   23 2.2   0.3 10.8   6.5 1451 ESE | 102 0.00 0.13 0.160   0.046 474   10 40   10
Geyserville-East (Ranch 40) 9/11/26 84.6   19.9 1532 52.4   3.2 0529 54.6   6.4 74   37 99   8 40   26 5.7   1.3 19.5   2.1 1543 SSW | 197 0.00 0.12 0.175   0.066 504   10 30   20
Geyserville-South (Nervo Station) 9/11/26 84.4   19.8 1512 53.9   3.2 0308 - - - - 2.1   0.4 12.5   4.4 1339 SE | 142 0.00 0.21 - - 40   20
Peterson (Ranch 09) 9/11/26 84.5   18.7 1527 52.2   3.2 0310 52.8   4.5 69   22 94   6 36   26 2.8   0.1 12.5   4.0 1630 SSW | 207 0.00 0.20 0.160   0.052 489   14 0   10
Crazy Creek Ranch 9/11/26 86.5   17.6 1602 50.4   5.0 0327 54.4   3.6 71   26 94   8 37   23 1.8   0.1 12.1   2.7 1306 SSE | 149 0.00 0.23 0.164   0.047 528   26 20   10
Whitton Ranch (201e) 9/11/26 86.0   18.8 1523 48.9   6.8 0056 53.5   4.8 71   23 100   9 36   25 2.4   0.0 11.3   3.1 1525 S | 172 0.00 0.29 0.148   0.039 421   12 30   10
Lytton East (Shop Hill Bottom) 9/11/26 84.4   19.8 1512 54.2   0.8 0157 53.2   6.5 70   26 93   3 37   27 2.8   0.3 12.4   0.8 1536 SE | 144 0.00 0.27 0.167   0.046 514   20 50   20
Lytton East (Hill 5) 9/11/26 84.2   20.0 1440 54.1   1.3 0203 53.6   6.6 71   30 95   4 37   27 4.1   0.0 16.8   1.6 1524 SE | 143 0.00 0.25 0.157   0.072 453   19 40   20
Lytton West Lower (Lew 6) 9/11/26 83.5   19.3 1501 53.2   2.0 0155 53.4   5.8 71   25 94   4 39   29 2.7   0.5 14.5   2.5 1517 S | 181 0.00 0.28 0.165   0.070 517   23 50   20
Lytton West Hill (23PS) 9/11/26 82.3   20.2 1450 55.0   1.0 0151 54.2   6.9 72   30 95   4 41   31 3.4   0.1 14.6   2.3 1553 E | 92 0.00 0.26 0.167   0.061 523   25 60   20
Big River 9/11/26 83.6   19.7 1505 54.7   2.7 0227 55.0   4.2 74   31 95   8 43   29 2.4   0.5 11.5   1.5 1519 SSE | 168 0.00 0.28 0.162   0.042 524   21 70   20
Jimtown-North (Piccolo Ranch 15) 9/11/26 86.4   17.3 1527 48.6   4.1 0256 51.3   5.0 67   24 100   20 30   20 1.4   0.5 12.5   3.1 1540 SW | 216 0.00 0.20 0.141   0.053 436   35 20   10
HWY 128/Chalk Hill Rd (Landslide) 9/11/26 85.7   18.6 1514 52.5   3.1 0232 53.8   2.2 70   19 95   4 34   23 2.2   0.3 12.1   3.1 1526 SW | 229 0.00 0.31 0.148   0.041 440   22 50   20
N Chalk Hill Rd (Ranch 63) 9/11/26 83.5   18.0 1459 49.2   5.4 0313 52.3   1.7 70   19 94   6 36   25 2.0   0.1 11.9   2.9 1551 S | 176 0.00 0.29 0.147   0.044 449   30 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) 9/11/26 86.8   15.1 1523 48.3   4.2 0339 51.5   4.8 69   24 97   8 29   19 2.0   0.5 10.8   5.1 1444 W | 280 0.00 0.26 0.160   0.051 492   33 20   10
Red Tail 9/11/26 82.9   17.2 1457 49.4   2.7 0310 53.8   0.9 73   23 92   5 42   23 2.7   0.4 14.0   0.5 1527 S | 185 0.00 0.29 0.164   0.037 518   1 70   20
Franz Valley (Stornetta) 9/11/26 86.4   15.3 1541 49.0   6.4 0411 51.4   3.0 - 93   9 30   20 1.5   0.1 10.4   2.1 1357 W | 266 0.00 0.43 - - 20   10
Upper Dry Creek Valley 9/11/26 86.5   15.5 1537 52.4   4.3 0249 54.4   7.2 69   28 95   9 37   27 2.6   0.1 13.7   3.4 1526 ESE | 118 0.00 0.14 0.174   0.040 520   5 60   10
Lower Dry Creek Valley 9/11/26 82.7   19.8 1458 53.3   2.9 0059 54.6   6.0 74   25 100   11 41   32 2.3   0.5 14.7   3.0 1437 ESE | 108 0.00 0.26 0.156   0.061 475   32 70   20
Max   92.1 - 61.1 - 55.3 74 100 43 9.4 33.5 - - 0.00 0.43 0.271 569 -
Avg   - - - - 52.5 67 - - 3.0 - - - - - - - -
Min   82.3 - 48.3 - 39.7 32 50 17 1.4 10.4 - - 0.00 0.00 0.141 421 -

Sonoma County-Central Daily Obs

37 Stations

Daily Data | America/Los_Angeles
as of 9/12/26 1:45 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) 9/11/26 82.5   21.8 1416 55.0   0.5 0612 54.4   0.4 72 84   1 47   34 0.0 9.3   7.4 1643 0.00 0.50 0.140   0.063 496   27 20
Windsor-East (Ranch 16) 9/11/26 80.1   17.8 1421 51.5   5.3 0058 53.2   1.2 73 91   2 40   23 3.9 16.9   0.2 1646 0.00 0.23 0.160   0.066 500   40 80
Mark West-North (Ranch 14) 9/11/26 79.6   18.1 1413 54.2   2.2 0059 53.1   1.0 72 92   2 39   22 2.1 11.4   1.9 1502 0.00 0.24 - - 40
Windsor-SE (Silk Rd) 9/11/26 78.9   22.5 1425 51.9   3.6 0040 53.8   1.1 75 95   1 45   34 2.0 12.6   2.4 1551 0.00 0.32 0.146   0.060 483   49 70
Fulton-NW (Ranch 5) 9/11/26 78.4   21.8 1409 52.9   3.2 0058 53.8   0.2 76 94   2 45   33 3.7 14.5   1.7 1725 0.00 0.23 0.155   0.066 501   37 40
Bisordi (Fulton) 9/11/26 79.6   16.5 1504 51.2   5.4 0043 54.7   1.8 77 92   2 49   25 2.2 13.6   1.4 1554 0.00 0.22 0.151   0.053 516   51 70
Windsor-South (Laughlin Rd) 9/11/26 79.8   24.9 1336 55.0   0.2 0759 53.6   1.0 74 92   0 44   33 - - - 0.00 0.17 - - 60
Fulton-SE (Barnes Rd) 9/11/26 78.1   17.3 1404 55.5   1.8 0755 54.0   0.8 74 92   3 44   21 3.3 15.6   1.4 1603 0.00 0.29 - - 70
Fulton-SW (Ranch 21) 9/11/26 78.0   22.1 1412 53.4   1.9 0059 53.6   0.5 76 94   0 47   35 3.0 14.9   0.1 1753 0.00 0.20 0.155   0.067 516   59 40
NW Santa Rosa (Piner Road) 9/11/26 76.6   23.5 1434 52.1   3.4 0059 56.9   0.5 87 100   0 55   40 2.1 11.4   2.6 1711 0.00 0.00 - - 40
River Rd South (Denner Ranch) 9/11/26 76.9   24.8 1329 51.7   2.0 0059 -2.1   41.2 35 100   0 0   0 4.1 17.3   1.1 1440 - - - - 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) 9/11/26 82.5   21.8 1412 51.6   3.6 0101 54.3   0.5 75 95   1 41   31 - - - 0.01 0.22 - - 30
SunnyView Vineyard (SCWC) 9/11/26 77.6   20.3 1332 50.2   4.7 0059 53.0   0.1 76 94   0 45   32 1.8 12.3   1.9 1443 0.00 0.27 0.127   0.043 429   36 50
Guerneville Rd West (Balletto) 9/11/26 76.3   23.3 1332 52.5   1.8 0059 55.1   1.4 81 96   1 55   39 2.4 12.0   2.1 1423 0.00 0.43 - - 70
Sanchietti Ranch 9/11/26 77.0   18.0 1432 53.5   1.3 0116 55.9   1.7 - 95   1 56   29 2.9 13.7   0.4 1622 0.00 0.28 - - 50
Occidental Rd (Sebastopol) 9/11/26 77.0   17.8 1350 51.3   0.7 0059 56.9   0.1 88 100   0 55   32 2.0 14.7   2.4 1507 0.00 0.20 - - 70
Harper's Rest (Windsor-West) 9/11/26 81.1   21.1 1540 51.8   1.1 0059 52.9   3.0 - 95   2 41   32 1.8 10.3   2.1 1648 0.00 0.45 - - 30
Lower Westside Rd (Ranch 12) 9/11/26 80.0   21.5 1404 52.3   2.3 0028 53.9   2.3 75 94   2 44   34 2.2 12.0   1.9 1452 0.00 0.45 - - 80
Guerneville (Laughlin Rd) 9/11/26 80.8   15.6 1344 50.3   1.4 0207 53.1   1.0 74 94   2 42   23 1.9 12.9   1.5 1428 0.00 0.81 - - 80
Korbel (Winery) 9/11/26 84.1   13.8 1415 52.0   2.2 0226 54.1   0.4 73 94   0 40   25 0.9 11.2   2.1 1436 0.00 0.52 - - 80
Forestville (Shone Farms) 9/11/26 79.8   22.8 1429 53.5   1.0 0053 54.5   1.7 76 95   2 48   37 1.9 11.8   3.0 1355 0.00 0.43 0.142   0.054 463   56 70
Forestville-NE (Ranch 30) 9/11/26 79.2   22.5 1447 51.6   1.5 0057 55.0   0.3 79 96   2 51   35 2.4 11.9   3.3 1606 0.00 0.40 0.150   0.063 488   58 20
Foggy Bend (Ranch 41) 9/11/26 79.7   20.5 1459 52.8   0.1 0040 55.7   1.7 78 95   2 53   30 1.6 11.0   5.3 1507 0.00 0.42 0.144   0.064 493   50 70
Last Stop 9/11/26 81.5   20.1 1601 50.7   1.1 0134 54.4   1.6 76 97   2 45   32 1.8 11.6   5.0 1420 0.00 0.39 0.145   0.057 468   68 20
Green Valley Vineyard 9/11/26 78.2   19.4 1551 51.4   1.5 0204 54.0   4.9 79 97   2 47   37 1.7 10.7   8.3 1513 0.00 0.57 0.021   0.142 3   328 40
Park Royal 9/11/26 77.4   18.3 1344 53.1   2.6 0059 53.2   0.0 76 96   3 46   28 - - - 0.00 0.21 - - 40
Merino 9/11/26 79.1   18.5 1435 50.2   4.8 0055 55.0   1.4 81 98   1 49   26 2.1 11.7   1.4 1445 0.00 0.33 0.144   0.060 476   79 80
Green Valley (Sanchietti) 9/11/26 78.5   22.8 1327 46.9   5.4 0217 - - - - - - - - - - - 70
Keefer Ranch (Green Valley) 9/11/26 78.9   19.4 1613 49.4   1.6 0200 54.2   0.8 80 96   2 48   35 - - - 0.00 0.48 - - 40
Graton-West (Dutton Ranch) 9/11/26 80.6   20.0 1657 50.2   1.3 0209 57.2   3.2 87 100   0 47   36 1.7 11.8   2.3 1410 0.00 0.61 - - 70
Graton-South (Mill Station Rd) 9/11/26 71.5   19.3 1626 50.5   4.8 0035 53.8   1.9 82 98   3 58   33 0.9 9.3   0.1 1513 0.00 0.40 - - 20
Occidental (Horseshoe Bend) 9/11/26 75.3   18.1 1540 49.8   4.1 0453 53.8   2.8 - 100   3 50   36 - - - 0.00 0.75 - - 70
Sexton Valley (Jacqueline's Blk) 9/11/26 72.9   16.3 1256 51.1   4.6 0058 55.0   3.2 84 97   1 60   26 1.2 11.9   1.4 1529 0.00 0.27 - - 50
Sebastopol Hills (Burnside Rd) 9/11/26 68.6   18.4 1350 52.9   1.6 0704 54.9   1.0 88 100   0 66   30 2.9 16.0   0.2 1603 0.00 0.00 - - 90
Pleasant Hill 9/11/26 75.0   17.2 1402 50.9   0.2 0228 53.4   0.1 - 96   0 50   24 2.0 12.9   0.3 1543 0.00 0.49 - - 50
Seaview/Fort Ross (Hirsch) 9/11/26 79.3   12.3 1633 61.2   8.3 0411 43.4   11.5 38 53   24 19   12 3.7 14.3   0.4 1625 0.00 0.07 0.190   0.029 551   15 100
Max   84.1 - 61.2 - 57.2 88 100 66 4.1 17.3 - 0.01 0.81 0.190 551 -
Avg   - - - - 52.5 75 - - 2.2 - - - - - - -
Min   68.6 - 46.9 - -2.1 35 53 0 0.0 9.3 - 0.00 0.00 0.021 3 -

Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 9/12/26 1:45 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 9/11/26 78.4   17.3 1459 52.3   0.6 0427 52.8   7.3 98   5 41   24 1.6   0.7 9.6   0.3 1532 SSE | 148 0.00 0.02 0.126   0.049 423   1 100   20
Lower Bennett Valley 9/11/26 79.8   17.8 1412 48.8   6.4 0056 54.2   2.2 100   2 42   27 3.5   0.3 12.9   1.5 1423 SSW | 192 0.00 0.39 0.147   0.053 474   36 70   20
Kenwood (Wildwood) 9/11/26 84.8   14.8 1431 53.5   3.3 0439 53.2   6.0 95   9 33   22 3.5   0.1 13.2   0.8 1536 NNW | 330 0.00 0.21 0.159   0.048 501   5 20   20
Sonoma Valley (Bedrock) 9/11/26 87.5   13.3 1457 53.1   2.7 0034 51.7   7.6 91   8 28   21 - - - - 0.00 0.29 - - 50   10
Sonoma-West (Arnold) 9/11/26 86.1   13.8 1418 47.9   5.9 0602 50.8   3.9 92   6 31   23 3.0   0.3 19.1   0.1 1508 WSW | 239 0.00 0.35 0.195   0.045 568   21 40   20
Sonoma Valley HS 9/11/26 84.5   15.4 1429 52.8   3.8 0625 55.2   1.3 99   6 38   26 2.2   0.5 6.5   6.1 1832 WSW | 244 0.00 0.01 0.158   0.048 511   11 70   20
Sonoma East (Bundschu01) 9/11/26 83.5   16.0 1520 49.7   6.4 0623 52.5   3.9 95   6 34   26 3.1   0.7 17.3   5.7 1542 SW | 220 0.00 0.23 0.163   0.057 509   12 80   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) 9/11/26 83.6   15.8 1527 52.1   4.0 0628 53.0   4.9 93   5 35   26 2.7   0.5 17.2   3.0 1531 W | 264 0.00 0.18 - - 80   20
Ricci Vineyards (Carneros) 9/11/26 81.8   17.6 1553 55.3   1.8 0533 54.1   5.5 94   5 39   29 5.7   0.6 19.5   4.2 0358 W | 279 0.00 0.12 0.163   0.085 500   41 60   10
Carneros (Ranch 71) 9/11/26 80.4   15.9 1548 54.0   1.8 0552 53.7   7.6 95   3 40   31 5.7   0.2 19.1   12.1 1704 WSW | 252 0.00 0.07 0.157   0.111 492   36 100   10
Carneros Upper (Ranch 81) 9/11/26 79.3   18.7 1615 54.2   2.0 0628 49.4   2.9 - - 9.4   0.1 23.4   9.8 1717 WSW | 246 - - - - 60   20
Carneros Lower (Ranch 81) 9/11/26 83.6   20.1 1636 54.1   3.1 0600 54.7   3.7 94   5 38   28 - 13.2   0.2 1445 SSE | 164 0.00 0.01 0.016   0.012 0   0 70   20
Rohnert Park-West (Stony Point) 9/11/26 72.2   16.6 1332 49.4   6.7 0059 55.0   1.2 97   1 59   26 2.3   0.3 17.4   0.9 1523 SW | 234 0.00 0.19 - - 40   10
Cartograph Wines Base 9/11/26 68.7   14.5 1302 54.4   0.8 0313 55.6   0.8 99   2 69   28 4.2   1.6 23.2   1.6 1523 W | 266 0.00 0.30 0.114   0.064 443   85 30   10
Cartograph Wines Remote 9/11/26 71.5   15.0 1246 52.9   3.2 2343 - - - - - - - - - - - 50   10
Rice-Spivak Vineyard 9/11/26 72.2   15.1 1305 49.3   6.4 2319 - - - - - - - - - - - 60   10
Penngrove (Asellus) 9/11/26 77.2   15.3 1324 51.0   5.1 2330 53.4   0.9 95   1 43   22 2.0   0.2 12.0   0.6 1455 W | 262 0.00 0.53 - - 10   10
Petaluma (Ranch 10) 9/11/26 80.0   14.1 1347 54.4   2.9 0049 54.3   2.9 94   3 42   27 3.3   0.1 13.2   1.8 1544 N | 354 0.00 0.09 0.144   0.051 460   46 80   20
Max   87.5 - 55.3 - 55.6 100 69 9.4 23.4 - - 0.00 0.53 0.195 568 -
Avg   - - - - 53.4 - - 3.7 - - - - - - - -
Min   68.7 - 47.9 - 49.4 91 28 1.6 6.5 - - 0.00 0.01 0.016 0 -