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Latest Observation

13 Stations

Daily Data | America/Los_Angeles
as of 9/26/26 12:47 AM PDT
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)
Montesol 9/24/26 86.1   1.5 1321 54.5   1.6 0604 - - - - - - - 0.00 0.82 - - 100   10
Pope Valley (Weeks Lake) 9/24/26 91.8   2.0 1431 43.5   0.6 0703 47.0   0.9 100   0 17   2 1.4   0.3 12.3   1.5 1345 SW | 234 0.00 0.03 0.143   0.004 386   57 40   10
Dollarhide Base 9/24/26 96.2   0.4 1443 50.9   0.8 0711 50.7   2.4 97   2 20   1 2.6   0.6 14.2   2.1 1616 WSW | 240 0.00 0.00 0.174   0.002 406   67 30   10
Dollarhide 1AS Remote 9/24/26 95.7   0.7 1425 44.1   1.0 0706 47.8   1.6 90   2 20   1 1.9   0.6 15.4   3.3 1625 WSW | 237 - - - - 30   10
Dollarhide 16A Remote 9/24/26 94.1   1.0 1237 49.8   1.0 0644 50.9   1.9 97   2 22   1 - - - - - - - - 60   10
Dollarhide 18A Remote 9/24/26 93.6   2.6 1409 42.4   1.0 0648 47.7   1.2 95   1 20   0 - - - - - - - - 40   10
Hardin Rd (Eakle) 9/24/26 93.6   0.3 1440 46.7   0.8 0711 - - - - - - - - - - - 40   10
Angwin 9/24/26 85.8   0.4 1420 62.6   1.1 2348 42.9   5.2 48   16 19   2 2.5   1.2 14.3   1.0 0006 W | 274 0.00 0.30 0.058   0.000 0   0 100   0
Lower Angwin (Pioneer) 9/24/26 86.5   1.1 1438 47.6   3.8 0622 - - - 1.6   0.7 9.9   0.7 1423 W | 275 - - - - 80   10
Las Posadas (Cal Fire) 9/24/26 88.9   1.7 1427 60.1   10.4 0712 47.6   3.4 67   31 18   2 5.7   1.7 20.2   3.9 2347 W | 263 0.00 0.23 0.203   0.026 397   46 -
Deer Park 9/24/26 93.4   0.3 1520 60.1   7.9 0721 47.7   4.2 68   30 15   5 2.6   0.2 14.1   2.0 0045 NNW | 344 0.00 0.04 0.141   0.005 308   24 30   10
Lower Chiles Valley (Brown) 9/24/26 92.3   0.1 1525 45.4   2.4 0640 46.6   2.6 100   0 14   1 2.2   0.7 16.3   5.2 2359 WNW | 295 0.00 0.14 0.166   0.002 438   56 0   10
Moss Creek Vineyard/Reservior 9/24/26 95.6   1.5 1542 51.2   2.9 0715 47.6   3.9 94   3 10   10 - - - - 0.00 0.04 - - 10   10
Max   96.2 - 62.6 - 50.9 100 22 5.7 20.2 - - 0.00 0.82 0.203 438 -
Avg   - - - - 47.6 - - 2.6 - - - - - - - -
Min   85.8 - 42.4 - 42.9 48 10 1.4 9.9 - - 0.00 0.00 0.058 0 -

Northern & Central Napa County

27 Stations

Daily Data | America/Los_Angeles
as of 9/26/26 12:47 AM PDT
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)
Calistoga-North 9/24/26 94.6   1.0 1344 49.8   4.3 0647 50.5   4.6 94   3 21   2 - - - - 0.00 0.09 - - 50   10
Diamond Mtn (Schramsberg) 9/24/26 92.6   0.5 1423 63.1   12.3 0059 46.1   5.0 60   40 16   4 - - - - 0.00 0.13 - - 100   20
Diamond Mtn (McEachran) 9/24/26 93.5   1.2 1415 59.4   6.8 0717 47.8   3.8 71   26 16   3 - - - - - - - - 70   10
St. Helena-North 9/24/26 94.3   0.8 1420 51.1   3.9 0705 45.9   4.6 85   4 9   8 1.7 12.3   1.3 1457 SSE | 168 0.00 0.11 0.138   0.011 377   34 20   10
St. Helena (NVV Office) 9/24/26 94.9   2.0 1509 51.0   5.0 0645 - - - 1.1 10.4   1.9 1716 W | 268 0.00 0.04 - - 30   10
Tiara Fria (East St. Helena) 9/24/26 93.2   0.2 1516 49.1   6.5 0712 49.0   4.4 91   3 17   4 1.7 11.2   3.2 1614 WNW | 287 0.00 0.02 - - 0   0
Prisoner Winery 9/24/26 96.2   0.1 1457 49.3   6.1 0531 49.4   4.2 94   2 16   4 1.2 9.6   3.0 1457 SW | 229 0.00 0.06 0.031   0.008 0   0 0   10
Rutherford Hill Estate 9/24/26 96.3   1.7 1536 58.4   4.2 0708 50.4   3.2 78   22 17   3 1.3 11.0   1.5 1631 SSE | 160 0.00 0.08 0.131   0.005 358   53 0   10
Rutherford-North (Mee Ln) 9/24/26 95.4   1.4 1514 48.4   5.0 0627 49.3   3.9 92   2 18   5 2.3 13.2   1.3 1354 ESE | 123 0.00 0.06 0.155   0.004 379   43 30   10
Rutherford (STS) 9/24/26 97.0   1.0 1512 46.5   7.5 0654 52.2   4.0 92   1 22   5 1.7 12.1   0.3 1450 ENE | 69 0.00 0.05 0.157   0.002 434   40 60   10
Oakville-NE (Ranch 88) 9/24/26 95.2   0.7 1500 45.7   7.3 0659 46.9   4.9 86   10 17   3 1.8 13.3   2.1 1616 SSE | 154 0.00 0.04 0.151   0.010 376   26 100   10
OV561-East 9/24/26 94.5   2.5 1510 48.5   6.5 0730 - - - - - - - - - - - 0   0
Oakville 9/24/26 91.7   0.2 1444 46.9   6.6 0658 48.9   4.5 91   4 21   4 2.8 14.9   2.9 1535 SE | 133 0.00 0.03 0.170   0.015 416   33 40   10
OV518-West 9/24/26 92.1   1.4 1510 48.2   7.3 0641 - - - - - - - - - - - 50   10
To Kalon Remote (TKKE) 9/24/26 96.7   1.2 1520 48.2   6.4 0552 - - - - - - - - - - - 30   10
To Kalon 9/24/26 94.9   1.6 1516 48.9   6.3 0637 49.9   3.8 94   3 20   4 2.4 14.5   4.3 1840 SSE | 167 0.00 0.00 0.162   0.009 414   32 40   10
To Kalon Remote (TKN5) 9/24/26 95.5   0.7 1429 48.5   6.5 0555 - - - - - - - - - - - 60   10
Yountville (Ranch 67) 9/24/26 91.6   1.0 1445 46.5   7.2 0616 48.2   4.6 91   2 21   4 2.8 15.9   4.5 1531 SE | 134 0.00 0.05 0.171   0.016 473   3 40   10
Stags Leap Dist (Silverado Vineyards) 9/24/26 91.6   0.4 1441 47.4   6.1 0649 48.3   4.3 93   1 20   4 2.4 14.6   4.2 1936 ESE | 104 0.00 0.07 0.171   0.019 433   4 50   10
Borreo (Soda Canyon) 9/24/26 89.6   0.3 1451 51.5   2.2 0644 48.3   4.3 89   8 23   3 1.8 11.2   1.1 1531 SSW | 200 0.00 0.31 0.149   0.006 429   18 60   10
Wappo Hill Floor 9/24/26 92.5   0.6 1427 47.2   6.9 0648 49.1   4.6 91   9 24   1 2.3 13.6   3.9 1625 SE | 125 0.00 0.10 0.163   0.014 411   35 50   10
Stags Leap Dist (Chimney Rock) 9/24/26 91.5   0.5 1454 46.9   5.8 0707 52.2   4.3 99   4 32   1 2.3 14.5   5.2 1701 S | 170 0.00 0.10 0.149   0.014 389   19 50   10
Yountville-South (Ranch 87) 9/24/26 92.7   1.0 1428 49.0   5.3 0527 50.9   4.0 100   0 24   1 1.5 12.8   4.3 1523 SSE | 156 0.00 0.09 0.129   0.002 333   58 80   10
Yountville-SE (Ranch 85) 9/24/26 91.0   0.7 1436 48.5   6.6 0702 50.8   4.2 93   3 26   0 2.2 13.4   4.3 1656 S | 178 0.00 0.08 - 0   0 50   10
Oak Knoll-East (Ranch 53) 9/24/26 91.0   1.8 1451 48.9   5.4 0642 49.7   3.9 91   1 24   0 1.5 14.0   5.2 1451 S | 175 0.00 0.15 0.156   0.009 442   14 50   10
Napa-NW (Ranch 54) 9/24/26 91.6   1.6 1431 50.7   4.1 0646 49.7   3.8 90   3 23   2 0.6 8.5   2.0 1640 SSW | 204 0.00 0.18 - 0   0 80   10
Napa-North (Ranch 29) 9/24/26 89.8   1.3 1500 48.8   6.0 0627 50.8   4.5 100   0 26   3 1.4 12.6   1.5 1600 S | 186 0.00 0.10 0.101   0.005 232   55 50   10
Max   97.0 - 63.1 - 52.2 100 32 2.8 15.9 - - 0.00 0.31 0.171 473 -
Avg   - - - - 49.3 - - 1.9 - - - - - - - -
Min   89.6 - 45.7 - 45.9 60 9 0.6 8.5 - - 0.00 0.00 0.031 0 -

Southern Napa County

22 Stations

Daily Data | America/Los_Angeles
as of 9/26/26 12:47 AM PDT
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)
Mt. Veeder 9/24/26 87.5   1.4 1344 62.9   6.9 0059 45.5   5.0 49   39 17   8 1.8 12.1   1.8 1358 S | 185 0.00 0.45 0.249   0.020 887   158 100   10
Mount George (Napa East) 9/24/26 89.6   29.0 1454 48.4   6.4 0716 49.1   8.3 95   5 22   6 1.3 10.8   1.1 1714 SSW | 202 0.00 0.16 0.144   0.006 437   35 50   10
Napa-East (Palmaz 300') 9/24/26 94.6   1.2 1438 52.2   3.9 0713 50.2   4.0 94   0 19   6 1.6 11.0   2.0 1541 WSW | 257 0.00 0.16 0.138   0.001 388   32 40   10
Napa-East (Palmaz 1200') 9/14/26 80.8   4.1 1344 47.1   4.1 0557 46.5   1.6 92   8 29   22 2.4 12.0   0.9 1614 SW | 226 - - 0.153   0.004 498   20 20   20
Napa-East (Palmaz 1400') 9/24/26 87.9   2.1 1347 53.7   5.1 0501 48.8   4.3 82   18 21   13 2.6 11.8   0.2 1347 WSW | 237 0.00 0.33 0.155   0.003 435   39 50   10
Wooden Valley 9/24/26 89.9   0.5 1503 44.9   2.1 0658 45.4   3.7 96   1 14   8 2.2 13.2   3.4 2053 WSW | 239 0.00 0.04 0.160   0.005 433   35 50   10
Napa-West Upper (Truchard) 9/24/26 91.9   2.0 1357 57.7   2.2 0059 51.4   11.0 100   0 23   23 2.4 14.8   2.4 1650 SW | 229 0.00 0.10 0.585   0.011 - 40   10
Napa-West Lower (Truchard) 9/24/26 91.2   3.4 1354 47.8   3.6 0650 48.2   4.1 96   6 23   0 - - - - - - - - 40   10
Napa-South (Toyon Farms) 9/24/26 90.2   2.4 1345 55.0   2.2 0633 54.6   2.8 96   1 30   3 3.6 14.6   4.0 1632 S | 173 0.00 0.07 0.100   0.010 197   30 30   10
Toyon Remote 1 9/24/26 89.5   1.7 1343 51.6   1.5 0417 - - - - - - - - - - - -
Toyon Remote 2 9/24/26 89.0   2.6 1338 50.0   3.8 0440 - - - - - - - - - - - -
Toyon Remote 3 9/24/26 89.2   2.7 1347 49.4   4.4 0634 - - - - - - - - - - - -
Dealy Lane (Ranch 80) 9/24/26 89.4   3.1 1348 53.7   1.9 0721 49.8   3.4 91   3 22   2 2.4 12.9   3.7 1542 SE | 135 0.00 0.08 0.153   0.012 435   12 50   10
Carneros (Saintsbury) 9/24/26 88.1   2.2 1343 51.7   1.7 0511 50.4   2.9 96   3 27   0 4.0 15.3   4.5 1835 WSW | 237 0.00 0.08 - - 30   10
Suscol Lower (Ranch 35) 9/24/26 90.1   0.1 1348 52.3   4.3 0616 50.4   3.0 92   0 24   3 3.9 15.6   4.6 1526 SSW | 206 0.00 0.15 0.168   0.017 424   11 30   10
Suscol Mtn (Ranch 93) 9/24/26 91.3   1.0 1427 59.0   6.5 0039 49.8   3.6 63   37 23   5 3.2 15.7   3.7 1651 NW | 314 0.00 0.40 - - 20   10
Suscol Upper (Ranch 92) 9/24/26 88.7   0.5 1427 58.2   5.0 0053 49.9   35.8 68   32 23   23 2.2 14.6   4.3 1853 S | 183 0.00 0.15 - - 0   0
Stanly (Ranch 45) 9/24/26 86.7   2.1 1428 51.0   3.6 0311 51.3   3.4 92   2 31   1 4.1 16.0   5.0 1537 S | 180 0.00 0.15 0.173   0.009 465   10 40   10
Carneros Upper (Ranch 81) 9/24/26 88.5   2.4 1343 59.9   4.5 0046 49.7   8.3 - - 7.0 23.6   7.2 1738 WSW | 248 - - - - 30   10
Carneros (Mitsuko) 9/24/26 89.1   2.5 1334 47.2   2.8 0629 - - - - - - - - - - - 30   10
Carneros Lower (Ranch 81) 9/24/26 88.0   7.3 1301 51.7   3.9 0704 50.0   4.0 100   8 0   23 1.3 12.1   4.2 1435 SSE | 153 0.00 0.01 0.067   0.048 118   106 30   10
Carneros (Milton Rd) 9/24/26 86.5   4.2 1326 49.7   3.2 0234 50.2   3.6 91   3 29   2 - - - - 0.00 0.00 - - 30   10
Max   94.6 - 62.9 - 54.6 100 31 7.0 23.6 - - 0.00 0.45 0.585 887 -
Avg   - - - - 49.7 - - 2.9 - - - - - - - -
Min   86.5 - 44.9 - 45.4 49 0 1.3 10.8 - - 0.00 0.00 0.067 118 -