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Northeast Napa County

12 Stations

Daily Data
as of 3/21/26 9:06 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 3/20/26 89.1   2.8 1421 54.9   3.8 0218 - - - - - - - 0.00 42.33 - - 50   10
Pope Valley (Weeks Lake) 3/20/26 92.2   1.1 1625 39.0   0.4 0629 49.4   0.9 100   0 19   4 0.8 9.2   1.3 1640 SSE | 149 0.00 21.60 0.148   0.006 473   8 50   10
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 3/20/26 94.0   3.6 1601 47.0   0.9 0721 55.3   0.5 100   0 21   3 1.2 9.3   0.0 1751 SW | 218 0.00 19.16 0.175   0.012 532   14 50   10
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 3/20/26 96.6   1.8 1603 42.6   1.2 0708 53.5   1.1 100   0 20   7 - - - - - - - - 40   10
Dollarhide 18A Remote 3/20/26 98.2   1.5 1633 40.2   0.4 0653 51.0   0.4 100   0 20   2 - - - - - - - - 40   10
Angwin 3/20/26 85.6   2.3 1500 70.1   7.5 0621 38.4   6.8 38   19 14   11 4.5 13.1   0.7 0816 N | 0 0.00 38.60 0.093   0.017 0   0 100   0
Lower Angwin (Pioneer) 3/20/26 87.5   2.3 1328 55.3   3.7 0059 - - - 2.8 11.4   0.6 0809 N | 3 - - - - 100   0
Deer Park 3/20/26 93.8   2.4 1621 63.2   0.8 0656 51.1   1.7 69   6 18   8 1.6 9.1   0.9 1600 SW | 233 0.00 23.61 0.134   0.002 356   8 40   10
Lower Chiles Valley (Brown) 3/20/26 93.4   2.2 1540 43.0   0.6 0722 51.4   1.2 100   0 20   4 1.1 8.7   0.6 1447 W | 281 0.00 20.67 0.167   0.006 512   12 50   10
Moss Creek Vineyard/Reservior 3/20/26 90.9   4.4 1752 47.9   0.7 0737 52.7   1.9 100   0 12   12 - - - - 0.00 23.37 - - 0   0
Max   98.2 - 70.1 - 55.3 100 21 4.5 13.1 - - 0.00 42.33 0.175 532 -
Avg   - - - - 50.3 - - 2.0 - - - - - - - -
Min   85.6 - 39.0 - 38.4 38 12 0.8 8.7 - - 0.00 19.16 0.093 0 -

Northern & Central Napa County

27 Stations

Daily Data | America/Los_Angeles
as of 3/21/26 9:06 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 3/20/26 97.3   2.7 1443 48.5   0.2 0652 53.5   0.9 97   1 23   4 - - - - 0.00 27.89 - - 30   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) 3/20/26 92.8   3.5 1634 67.3   3.1 0308 49.5   1.0 58   7 19   5 - - - - 0.00 26.40 - - 100   0
Diamond Mtn (McEachran) 3/20/26 93.3   3.0 1549 61.2   2.9 0727 49.7   2.1 66   9 18   10 - - - - - - - - 20   10
St. Helena-North 3/20/26 95.7   0.7 1616 49.9   0.1 0731 49.2   1.0 90   3 15   6 1.7 7.2   0.9 1238 SSE | 166 0.00 26.66 0.139   0.002 404   8 40   10
St. Helena (NVV Office) 3/20/26 95.3   0.4 1621 50.1   0.2 0719 - - - 1.1 6.4   0.1 1509 E | 82 0.00 23.51 - - 40   10
Tiara Fria (East St. Helena) 3/20/26 93.2   0.7 1629 50.0   1.3 0721 53.5   0.7 95   0 21   2 1.5 7.1   0.9 1416 SE | 129 0.00 21.80 - - 40   10
Rutherford Hill Estate 3/20/26 95.4   0.4 1634 60.9   1.6 0518 53.9   1.7 76   2 22   1 1.3 7.5   2.0 1512 SW | 234 0.00 21.35 0.145   0.003 433   9 40   10
Rutherford-North (Mee Ln) 3/20/26 92.6   3.8 1600 48.0   1.6 0700 54.4   0.1 93   2 26   4 2.0 9.4   0.4 1427 ESE | 113 0.00 20.49 0.149   0.004 444   9 40   10
Rutherford (STS) 3/20/26 92.9   2.8 1531 49.9   1.4 0714 56.5   0.2 92   0 30   3 2.1 9.0   1.4 1515 E | 93 0.00 21.65 0.177   0.008 529   10 40   10
Oakville-NE (Ranch 88) 3/20/26 93.1   1.4 1538 46.9   1.1 0700 52.2   0.5 97   1 22   6 1.2 9.1   0.5 1517 SSW | 213 0.00 21.19 0.167   0.008 499   12 0   0
OV561-East 3/20/26 96.0   0.0 1636 49.7   2.1 0715 - - - - - - - - - - - 40   10
Oakville 3/20/26 91.8   2.2 1634 48.4   2.0 0659 53.8   0.4 97   1 25   7 2.0 10.3   1.4 1457 ESE | 116 0.00 21.73 0.173   0.011 508   12 40   10
OV518-West 3/20/26 91.3   0.8 1606 50.3   3.4 0713 - - - - - - - - - - - 40   10
To Kalon Remote (TKKE) 3/20/26 94.4   2.2 1622 50.8   3.2 0730 - - - - - - - - - - - 40   10
To Kalon 3/20/26 92.7   3.3 1535 49.6   1.8 0734 54.0   0.2 96   2 26   9 1.9 9.5   0.5 1558 SSE | 153 0.00 23.62 0.163   0.006 471   9 40   10
To Kalon Remote (TKN5) 3/20/26 94.7   0.9 1529 48.0   1.1 0540 - - - - - - - - - - - 40   10
Yountville (Ranch 67) 3/20/26 90.1   0.5 1554 48.8   2.2 0741 54.5   0.5 95   2 29   1 2.3 10.0   0.9 1524 SSE | 157 0.00 19.96 0.173   0.013 513   14 50   10
Stags Leap Dist (Silverado Vineyards) 3/20/26 90.1   0.2 1545 49.7   4.0 0740 54.0   0.8 94   3 29   1 1.6 10.0   0.5 1522 SSE | 152 0.00 23.91 0.171   0.010 500   12 60   10
Borreo (Soda Canyon) 3/20/26 89.6   1.2 1605 52.0   2.0 0731 54.0   1.0 89   5 30   2 1.8 9.0   1.0 1448 S | 190 0.00 23.83 0.165   0.006 515   10 0   0
Wappo Hill Floor 3/20/26 93.0   0.4 1627 44.3   0.2 0721 53.6   2.1 100   0 28   1 1.6 10.4   0.6 1519 ESE | 120 0.00 23.28 0.169   0.012 484   10 40   10
Stags Leap Dist (Chimney Rock) 3/20/26 91.9   1.1 1603 47.6   1.1 0722 55.6   1.2 100   0 32   2 1.7 10.2   0.1 1503 SE | 139 0.00 22.51 0.154   0.008 452   8 50   10
Yountville-South (Ranch 87) 3/20/26 92.4   1.3 1614 49.2   1.9 0725 55.9   0.7 100   0 31   1 1.5 8.4   2.0 1405 S | 182 0.00 23.66 0.140   0.006 399   7 40   10
Yountville-SE (Ranch 85) 3/20/26 92.3   0.5 1605 48.4   1.8 0703 55.7   1.2 100   0 30   0 1.2 8.6   0.8 1400 SSE | 151 0.00 22.19 - 0   0 50   10
Oak Knoll-East (Ranch 53) 3/20/26 92.3   1.6 1745 49.7   1.8 0704 53.6   0.9 94   1 25   5 1.3 9.5   0.5 1153 SSE | 164 0.00 20.46 0.154   0.003 460   6 40   10
Napa-NW (Ranch 54) 3/20/26 91.7   2.1 1704 51.3   2.2 0700 54.4   0.4 91   9 25   8 1.8 8.9   0.3 1503 SSE | 156 0.00 22.69 - 0   0 60   10
Napa-North (Ranch 29) 3/20/26 93.6   3.5 1804 50.9   1.3 0719 56.1   1.3 100   0 23   13 1.2 11.3   0.2 1156 S | 180 0.00 20.32 0.112   0.003 299   3 50   10
Max   97.3 - 67.3 - 56.5 100 32 2.3 11.3 - - 0.00 27.89 0.177 529 -
Avg   - - - - 53.7 - - 1.6 - - - - - - - -
Min   89.6 - 44.3 - 49.2 58 15 1.1 6.4 - - 0.00 19.96 0.112 0 -

Southern Napa County

22 Stations

Daily Data | America/Los_Angeles
as of 3/21/26 9:06 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 3/20/26 88.5   1.9 1409 70.3   4.3 0635 45.6   3.6 47   5 16   8 1.2 5.4   2.4 1300 NNW | 342 0.00 29.29 0.179   0.055 583   269 100   0
Mount George (Napa East) 3/20/26 92.4   2.3 1746 52.5   0.7 0744 58.2   0.7 100   0 31   7 0.8 7.8   0.0 1550 WSW | 237 0.00 11.88 0.161   0.005 505   9 0   0
Napa-East (Palmaz 300') 3/20/26 92.8   3.0 1826 52.1   1.2 0740 55.7   1.5 100   0 28   9 1.6 9.6   0.1 1939 NE | 52 0.00 18.31 0.150   0.003 458   11 50   10
Napa-East (Palmaz 1200') 3/9/26 70.6   2.3 1500 43.0   5.0 0041 47.8   0.7 100   12 4   34 2.5 11.4   4.4 1611 WNW | 292 - - 0.115   0.012 432   5 0   0
Napa-East (Palmaz 1400') 3/20/26 86.2   0.3 1407 53.1   1.2 0703 53.2   2.9 90   2 26   9 2.2 10.0   0.3 1423 SW | 219 0.00 24.80 0.164   0.002 503   8 90   10
Wooden Valley 3/20/26 89.8   1.1 1639 44.5   1.0 0627 59.2   4.5 98   0 32   9 0.7 7.2   0.5 1415 ESE | 122 0.00 24.00 0.141   0.011 482   14 80   10
Napa-West Upper (Truchard) 3/20/26 91.6   2.4 1702 57.1   3.3 0719 55.0   1.8 77   23 22   16 1.9 11.6   0.1 1502 SSW | 200 0.00 20.16 0.177   0.012 505   11 0   0
Napa-West Lower (Truchard) 3/20/26 94.1   1.8 1644 46.4   2.7 0652 54.2   0.4 100   0 23   14 - - - - - - - - 50   10
Napa-South (Toyon Farms) 3/20/26 91.6   2.7 1623 54.4   1.5 0720 59.4   0.2 96   4 27   18 1.9 9.0   2.7 1432 S | 176 0.00 13.94 0.092   0.011 238   5 30   10
Toyon Remote 1 3/20/26 90.7   3.2 1620 47.4   1.5 0733 - - - - - - - - - - - -
Toyon Remote 2 3/20/26 91.2   2.4 1707 49.2   1.9 0737 - - - - - - - - - - - -
Toyon Remote 3 3/20/26 95.1   4.3 1711 49.2   2.0 0720 - - - - - - - - - - - -
Dealy Lane (Ranch 80) 3/20/26 92.2   3.0 1650 52.5   3.5 0601 55.5   0.3 94   1 21   17 2.1 7.7   1.2 1735 SSW | 205 0.00 19.35 0.168   0.009 515   10 0   0
Carneros (Saintsbury) 3/20/26 91.2   4.1 1631 50.4   2.5 0722 55.9   0.4 100   0 25   14 1.7 7.8   2.4 1235 SW | 222 0.00 5.62 - - 0   0
Suscol Lower (Ranch 35) 3/20/26 90.5   3.2 1704 51.4   1.7 0731 55.5   0.8 - - 3.0 9.6   1.0 1319 SSW | 207 0.00 18.31 0.161   0.009 473   10 0   0
Suscol Mtn (Ranch 93) 3/20/26 88.0   1.6 1713 69.1   7.8 0011 52.9   2.8 61   11 27   12 2.7 12.8   0.6 1628 WNW | 295 0.00 13.80 - - 100   0
Suscol Upper (Ranch 92) 3/20/26 88.8   0.1 1655 66.6   7.6 0016 55.1   1.9 66   15 26   14 0.7 7.7   1.6 1530 SSW | 208 0.00 18.16 - - 100   0
Stanly (Ranch 45) 3/20/26 92.9   2.5 1610 49.7   3.3 0737 55.7   0.2 98   1 27   9 2.4 9.2   0.3 1457 SW | 224 0.00 19.65 0.185   0.011 548   11 0   0
Carneros Upper (Ranch 81) 3/20/26 90.9   1.9 1638 60.9   5.4 0736 54.2   1.0 - - 2.9 12.5   2.4 1757 WSW | 256 - - - - 90   20
Carneros (Mitsuko) 3/20/26 90.6   1.1 1616 45.6   2.1 0547 - - - - - - - - - - - 0   0
Carneros Lower (Ranch 81) 3/20/26 99.4   8.3 1650 49.6   1.7 0721 51.9   1.1 100   0 0   0 0.7 6.9   0.1 1144 S | 175 0.00 16.94 0.127   0.001 402   12 0   0
Carneros (Milton Rd) 3/20/26 90.2   1.3 1615 47.6   0.3 0719 55.4   0.5 95   0 31   7 - - - - 0.00 17.00 - - 0   0
Max   99.4 - 70.3 - 59.4 100 32 3.0 12.8 - - 0.00 29.29 0.185 583 -
Avg   - - - - 54.9 - - 1.8 - - - - - - - -
Min   86.2 - 44.5 - 45.6 47 0 0.7 5.4 - - 0.00 5.62 0.092 238 -