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Northeast Napa County

12 Stations

Daily Data
as of 3/28/26 4:32 PM 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 3/27/26 82.0   8.8 1642 46.4   9.8 0503 - - - - - - - 0.00 42.33 - - 100   10
Pope Valley (Weeks Lake) 3/27/26 84.1   6.0 1448 36.9   1.3 0520 38.3   2.7 95   4 13   0 1.4 11.6   5.0 1141 NE | 39 0.00 21.60 0.144   0.017 440   39 100   0
Whiskey River Winery 12/13/25 52.8   3.6 1548 37.3   0.3 0759 36.3   2.0 88   11 68   4 0.0 0.0   2.4 0001 SE | 128 0.00 7.07 - - -
Dollarhide Base 3/27/26 84.6   5.3 1444 45.2   2.3 0706 42.0   2.0 90   8 19   0 2.4 13.5   5.7 1345 E | 80 0.00 19.16 0.173   0.014 502   34 100   0
Dollarhide 1AS Remote 3/14/26 81.7   1.0 1452 37.8   5.1 0742 46.2   3.0 95   0 28   2 1.7 12.6   2.7 1558 SW | 228 - - - - 100   0
Dollarhide 17B Remote 3/27/26 86.3   4.6 1533 40.7   2.1 0635 42.1   1.2 90   10 18   1 - - - - - - - - 100   0
Dollarhide 18A Remote 3/27/26 86.4   4.9 1636 34.6   0.1 0706 40.0   1.1 97   3 17   0 - - - - - - - - 100   0
Angwin 3/27/26 78.2   7.3 1554 59.5   10.2 0753 24.6   0.2 36   27 14   2 6.7 19.7   1.8 0109 NW | 326 0.00 38.60 0.114   0.016 0   0 70   10
Lower Angwin (Pioneer) 3/27/26 79.3   5.3 1701 48.0   7.3 0047 - - - 4.1 14.6   2.2 0206 NNE | 20 - - - - 100   20
Deer Park 3/27/26 87.1   7.6 1641 58.2   13.8 0559 30.0   1.9 42   39 12   2 2.6 14.0   10.1 1114 NNW | 328 0.00 23.61 0.145   0.022 327   38 90   10
Lower Chiles Valley (Brown) 3/27/26 83.3   6.7 1620 42.8   6.2 0055 35.8   1.6 88   12 14   3 2.1 10.6   6.4 1309 E | 87 0.00 20.67 0.164   0.000 477   34 100   0
Moss Creek Vineyard/Reservior 3/27/26 83.4   5.5 1608 46.7   4.1 0623 38.5   1.3 87   13 12   5 - - - - 0.00 23.37 - - 60   60
Max   87.1 - 59.5 - 42.1 97 19 6.7 19.7 - - 0.00 42.33 0.173 502 -
Avg   - - - - 36.4 - - 3.2 - - - - - - - -
Min   78.2 - 34.6 - 24.6 36 12 1.4 10.6 - - 0.00 19.16 0.114 0 -

Northern & Central Napa County

27 Stations

Daily Data | America/Los_Angeles
as of 3/28/26 4:32 PM 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 3/27/26 92.1   6.9 1446 46.4   8.0 0730 41.0   3.1 78   19 16   2 - - - - 0.00 27.89 - - 50   10
Fotsch (Maple Lane) 3/9/26 75.9   3.7 1625 41.4   5.5 0743 44.5   1.8 97   3 26   3 3.3 15.6   1.3 1413 WSW | 249 0.00 26.01 - - 0   0
Diamond Mtn (Schramsberg) 3/27/26 85.2   5.5 1538 60.8   16.8 0057 28.0   2.8 35   45 12   3 - - - - 0.00 26.40 - - 100   0
Diamond Mtn (McEachran) 3/27/26 87.3   4.7 1516 52.7   8.5 0734 34.0   0.3 63   17 12   3 - - - - - - - - 90   10
St. Helena-North 3/27/26 88.9   3.8 1525 45.8   5.0 0716 33.4   0.6 71   16 9   4 1.9 11.0   3.5 1743 NNW | 328 0.00 26.66 0.139   0.006 392   22 90   10
St. Helena (NVV Office) 3/27/26 89.3   6.0 1621 45.4   1.3 0722 - - - 1.1 10.5   2.6 1714 SSE | 153 0.00 23.51 - - 90   10
Tiara Fria (East St. Helena) 3/27/26 87.2   4.3 1607 43.8   2.7 0654 37.5   2.0 86   5 12   3 2.3 10.8   6.7 1635 SE | 132 0.00 21.80 - - 90   10
Rutherford Hill Estate 3/27/26 89.2   3.4 1510 53.6   7.6 0452 34.8   0.3 57   31 12   1 1.7 13.2   2.0 1348 NW | 319 0.00 21.35 0.145   0.000 417   27 90   10
Rutherford-North (Mee Ln) 3/27/26 88.4   4.6 1547 40.4   0.5 0643 40.5   1.5 90   3 13   0 1.7 12.9   2.0 1608 ESE | 121 0.00 20.49 0.145   0.002 418   31 90   10
Rutherford (STS) 3/27/26 90.3   7.8 1452 39.8   1.6 0714 42.4   1.3 92   1 16   3 1.8 11.0   3.2 1636 SSE | 154 0.00 21.65 0.166   0.012 493   36 90   10
Oakville-NE (Ranch 88) 3/27/26 88.8   5.3 1527 39.2   0.6 0711 35.5   1.9 83   7 10   1 2.0 12.5   7.2 1547 SSW | 195 0.00 21.19 0.168   0.012 468   31 0   0
OV561-East 3/27/26 87.2   0.4 1509 41.4   1.9 0556 - - - - - - - - - - - 90   10
Oakville 3/27/26 87.0   4.3 1518 39.9   0.9 0701 39.0   1.6 93   4 11   1 2.4 13.2   3.2 1523 ESE | 105 0.00 21.73 0.170   0.008 480   29 90   10
OV518-West 3/27/26 85.3   3.5 1506 41.0   1.0 0705 - - - - - - - - - - - 100   0
To Kalon Remote (TKKE) 3/27/26 88.7   3.0 1502 39.6   1.7 0710 - - - - - - - - - - - 90   10
To Kalon 3/27/26 88.0   2.5 1508 40.4   0.1 0726 37.6   0.9 90   5 12   1 2.3 12.4   1.9 1607 SE | 142 0.00 23.62 0.160   0.008 437   29 90   10
To Kalon Remote (TKN5) 3/27/26 88.8   5.5 1522 40.0   1.5 0645 - - - - - - - - - - - 90   10
Yountville (Ranch 67) 3/27/26 85.9   4.3 1440 40.1   0.9 0710 40.2   2.0 94   2 12   3 2.3 13.7   3.2 1508 S | 174 0.00 19.96 0.171   0.005 525   28 100   0
Stags Leap Dist (Silverado Vineyards) 3/27/26 85.2   4.1 1432 40.0   1.4 0654 40.4   3.1 95   1 13   6 1.3 12.4   4.6 1518 SSE | 166 0.00 23.91 0.151   0.015 466   41 100   0
Borreo (Soda Canyon) 3/27/26 82.9   2.9 1433 44.8   5.3 0624 39.7   2.7 78   18 13   3 1.9 11.0   4.8 1520 ESE | 120 0.00 23.83 0.160   0.009 508   26 80   20
Wappo Hill Floor 3/27/26 86.2   3.6 1402 38.7   1.6 0652 41.4   1.5 100   0 14   1 1.9 12.6   4.6 1508 S | 177 0.00 23.28 0.164   0.009 479   15 90   10
Stags Leap Dist (Chimney Rock) 3/27/26 84.9   2.9 1428 40.0   0.8 0615 42.5   2.0 99   1 17   2 1.9 13.7   3.7 1518 SSW | 198 0.00 22.51 0.152   0.014 440   18 100   0
Yountville-South (Ranch 87) 3/27/26 85.1   2.6 1416 41.2   1.6 0549 42.2   2.2 95   5 15   3 1.8 11.5   0.8 1255 NNW | 339 0.00 23.66 0.157   0.014 448   14 60   10
Yountville-SE (Ranch 85) 3/27/26 86.2   3.8 1411 40.7   0.2 0642 42.6   3.1 96   2 14   4 1.0 9.2   6.3 1311 NNW | 339 0.00 22.19 - 0   0 100   0
Oak Knoll-East (Ranch 53) 3/27/26 88.0   3.9 1349 41.9   1.7 0632 38.6   1.3 88   6 11   2 1.5 11.0   2.8 1510 S | 185 0.00 20.46 0.154   0.002 447   20 60   10
Napa-NW (Ranch 54) 3/27/26 85.7   3.3 1352 42.4   1.8 0719 39.2   1.7 87   6 12   1 1.4 11.7   0.8 1431 SSE | 148 0.00 22.69 - 0   0 100   0
Napa-North (Ranch 29) 3/27/26 84.8   1.3 1412 43.4   1.6 0657 42.3   1.2 100   0 15   1 1.6 14.1   2.1 1452 S | 172 0.00 20.32 0.120   0.014 314   2 100   0
Max   92.1 - 60.8 - 42.6 100 17 2.4 14.1 - - 0.00 27.89 0.171 525 -
Avg   - - - - 38.7 - - 1.8 - - - - - - - -
Min   82.9 - 38.7 - 28.0 35 9 1.0 9.2 - - 0.00 19.96 0.120 0 -

Southern Napa County

22 Stations

Daily Data | America/Los_Angeles
as of 3/28/26 4:32 PM 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 3/27/26 80.8   5.0 1440 60.6   9.7 0636 29.1   3.3 42   23 15   1 1.7 9.8   4.4 1602 SSE | 161 0.00 29.29 0.143   0.000 398   25 100   10
Mount George (Napa East) 3/27/26 82.4   2.6 1550 42.9   2.3 0609 40.6   1.1 89   7 15   2 1.2 9.8   6.7 1447 WSW | 241 0.00 11.88 0.148   0.017 484   32 100   0
Napa-East (Palmaz 300') 3/27/26 85.1   1.1 1422 45.3   3.0 0700 41.3   1.5 84   12 12   0 1.9 10.7   2.4 1445 WSW | 238 0.00 18.31 0.147   0.003 443   23 100   0
Napa-East (Palmaz 1200') 3/27/26 80.3 1451 48.5 0603 39.9 65 13 2.6 13.8 1232 ENE | 76 - - 0.153 431 100
Napa-East (Palmaz 1400') 3/27/26 79.9   4.8 1455 52.4   10.7 0056 31.7   4.2 59   35 16   4 3.5 16.7   3.9 1042 NNE | 24 0.00 24.80 0.176   0.006 479   23 100   20
Wooden Valley 3/27/26 82.0   5.1 1630 41.5   4.2 0725 44.3   3.5 92   3 16   2 1.8 11.7   1.3 1216 NW | 326 0.00 24.00 0.125   0.032 440   76 100   0
Napa-West Upper (Truchard) 3/27/26 84.6   2.1 1331 51.1   6.3 0659 41.7   2.7 78   22 13   0 2.0 14.0   2.7 1416 S | 170 0.00 20.16 0.172   0.014 495   9 100   0
Napa-West Lower (Truchard) 3/27/26 87.9   1.7 1337 39.7   4.5 0648 42.6   0.8 100   0 13   4 - - - - - - - - 90   10
Napa-South (Toyon Farms) 3/27/26 83.8   2.9 1335 47.6   3.8 0657 47.5   1.8 96   3 25   10 2.4 11.5   1.5 1430 SSE | 163 0.00 13.94 0.099   0.017 256   12 100   0
Toyon Remote 1 3/27/26 85.4   3.4 1330 39.4   3.8 0656 - - - - - - - - - - - -
Toyon Remote 2 3/27/26 83.1   3.0 1624 42.0   4.0 0628 - - - - - - - - - - - -
Toyon Remote 3 3/27/26 86.4   4.6 1620 41.5   2.4 0553 - - - - - - - - - - - -
Dealy Lane (Ranch 80) 3/27/26 83.6   2.5 1348 44.1   3.8 0650 41.6   2.9 90   6 13   14 2.1 9.6   1.0 1507 SSE | 156 0.00 19.35 0.161   0.013 514   1 100   0
Carneros (Saintsbury) 3/27/26 82.8   3.2 1630 43.8   3.9 0650 43.1   2.3 91   9 22   11 2.2 13.8   4.7 1753 WSW | 247 0.00 5.62 - - 0   0
Suscol Lower (Ranch 35) 3/27/26 82.8   4.1 1313 44.2   3.6 0613 40.0   4.1 - - 3.3 13.0   2.0 1814 SW | 233 0.00 18.31 0.165   0.016 458   10 100   20
Suscol Mtn (Ranch 93) 3/27/26 82.3   4.6 1610 59.5   11.5 0056 31.2   9.7 44   36 13   4 3.0 14.1   0.7 1808 NW | 321 0.00 13.80 - - 100   0
Suscol Upper (Ranch 92) 3/27/26 83.4   5.0 1534 58.0   10.7 0101 33.0   9.2 45   35 13   6 1.2 11.8   1.8 1807 SW | 233 0.00 18.16 - - 100   0
Stanly (Ranch 45) 3/27/26 83.5   0.5 1634 43.0   2.7 0421 43.1   2.6 95   1 19   6 3.3 14.6   4.6 1816 W | 270 0.00 19.65 0.181   0.015 523   17 100   20
Carneros Upper (Ranch 81) 3/27/26 83.1   1.6 1709 53.0   6.6 0708 39.7   3.5 - - 4.1 19.0   5.7 1811 W | 260 - - - - 100   20
Carneros (Mitsuko) 3/27/26 82.1   3.1 1606 38.8   3.0 0630 - - - - - - - - - - - 0   0
Carneros Lower (Ranch 81) 3/27/26 83.5   0.4 1642 43.1   3.8 0656 43.3   0.8 100   0 24   24 1.2 10.6   0.1 1402 SSE | 158 0.00 16.94 0.128   0.006 405   8 0   0
Carneros (Milton Rd) 3/27/26 82.6   3.8 1614 40.4   2.3 0701 42.2   1.9 93   2 21   11 - - - - 0.00 17.00 - - 0   0
Max   87.9 - 60.6 - 47.5 100 25 4.1 19.0 - - 0.00 29.29 0.181 523 -
Avg   - - - - 39.8 - - 2.3 - - - - - - - -
Min   79.9 - 38.8 - 29.1 42 12 1.2 9.6 - - 0.00 5.62 0.099 256 -