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Northeast Napa County

12 Stations

Daily Data | America/Los_Angeles
as of 1/22/26 8:45 PM PST
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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)
Montesol 1/21/26 64.2   1.7 1434 41.9   0.6 0612 - - - - - - - 0.00 34.57 - - -
Pope Valley (Weeks Lake) 1/21/26 64.0   4.4 1437 34.5   4.4 0625 40.4   3.3 100   0 38   6 1.1 9.4   2.6 2043 SE | 132 0.00 16.94 0.036   0.012 146   49 0   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 1/21/26 64.3   5.2 1310 38.0   3.4 0720 42.6   2.8 98   2 48   9 1.9 13.4   1.8 2123 ENE | 76 0.00 14.79 0.042   0.020 160   57 -
Dollarhide 1AS Remote 1/21/26 64.8   4.8 1333 34.6   4.9 0607 41.2   3.9 96   0 43   4 1.0 6.0   2.6 1235 WSW | 244 - - - - -
Dollarhide 17B Remote 1/21/26 64.6   4.8 1344 36.6   3.1 0749 42.8   3.1 99   1 47   11 - - - - - - - - -
Dollarhide 18A Remote 1/21/26 64.5   2.7 1423 33.4   4.4 0617 41.0   4.1 100   0 45   7 - - - - - - - - -
Angwin 1/21/26 57.0   1.4 1255 49.6   0.9 0759 30.4   0.5 59   3 28   1 6.2 16.2   2.1 1023 NNW | 342 0.00 32.03 0.064   0.019 0   0 0   0
Lower Angwin (Pioneer) 1/21/26 60.3   1.0 1237 45.0   6.3 2348 - - - 2.7 12.0   2.7 1012 NE | 42 - - - - -
Deer Park 1/21/26 63.6   3.7 1341 43.0   0.9 0740 42.1   1.0 91   1 35   4 2.5 15.9   1.8 1134 SSE | 157 0.00 18.50 0.038   0.011 110   35 -
Lower Chiles Valley (Brown) 1/21/26 63.2   3.9 1308 38.2   3.6 0737 40.4   1.2 93   7 39   5 1.7 9.6   2.1 1014 ENE | 62 0.00 14.38 0.048   0.013 149   49 0   0
Moss Creek Vineyard/Reservior 1/21/26 62.5   2.3 1337 39.6   3.5 0729 42.3   1.9 94   6 46   5 - - - - 0.00 19.00 - - -
Max   64.8 - 49.6 - 42.8 100 48 6.2 16.2 - - 0.00 34.57 0.064 160 -
Avg   - - - - 40.4 - - 2.4 - - - - - - - -
Min   57.0 - 33.4 - 30.4 59 28 1.0 6.0 - - 0.00 14.38 0.036 0 -

Northern & Central Napa County

27 Stations

Daily Data | America/Los_Angeles
as of 1/22/26 8:45 PM PST
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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)
Calistoga-North 1/21/26 64.0   6.1 1448 40.8   3.6 0603 45.7   1.5 100   0 57   16 - - - - 0.00 22.65 - - -
Fotsch (Maple Lane) 1/21/26 63.8   1.2 1425 38.4   2.8 0633 44.0   1.6 98   0 53   3 2.1 14.0   2.6 1141 SE | 134 0.00 20.61 - - -
Diamond Mtn (Schramsberg) 1/21/26 61.7   2.5 1311 46.4   2.5 0733 41.5   2.5 91   3 33   5 - - - - 0.00 20.76 - - -
Diamond Mtn (McEachran) 1/21/26 61.6   3.9 1419 42.6   1.7 0809 44.6   1.0 94   3 58   23 - - - - - - - - -
St. Helena-North 1/21/26 60.4   0.0 1348 39.3   1.5 0724 43.8   1.4 99   0 57   5 1.8 16.0   4.8 1129 SSE | 164 0.00 20.73 0.030   0.006 104   28 -
St. Helena (NVV Office) 1/21/26 60.4   2.2 1313 40.0   1.3 0605 - - - 1.1 7.4   0.9 1541 ESE | 114 0.00 18.18 - - -
Tiara Fria (East St. Helena) 1/21/26 58.6   2.0 1319 39.3   2.8 0602 44.2   2.4 98   0 63   6 1.8 10.2   2.4 1110 SSE | 152 0.00 16.72 - - -
Rutherford Hill Estate 1/21/26 60.0   1.7 1246 42.4   2.5 0525 44.8   1.2 100   3 60   8 1.3 7.7   1.3 1534 S | 173 0.00 17.00 0.032   0.002 137   25 0   0
Rutherford-North (Mee Ln) 1/21/26 58.6   1.8 1310 33.0   1.5 0731 41.6   2.9 100   0 64   4 2.1 12.1   2.8 1119 SE | 127 0.00 15.31 0.033   0.001 141   16 0   0
Rutherford (STS) 1/21/26 60.4   3.0 1431 37.8   2.9 0720 43.4   2.9 92   0 70   5 1.9 10.2   2.9 1055 ESE | 118 0.00 16.01 0.034   0.002 159   22 -
Oakville-NE (Ranch 88) 1/21/26 57.3   1.4 1429 37.1   3.6 0559 42.8   3.1 97   0 65   3 0.2 10.2   6.1 1530 SSW | 211 0.00 16.02 0.032   0.000 153   8 0   0
OV561-East 1/21/26 59.0   2.1 1430 38.8   2.9 0621 - - - - - - - - - - - -
Oakville 1/21/26 56.9   1.7 1302 38.6   3.4 0602 43.4   2.6 98   0 66   3 2.8 14.1   4.2 1046 SE | 143 0.00 16.58 0.035   0.000 158   11 -
OV518-West 1/21/26 57.0   1.6 1304 38.8   2.7 0551 - - - - - - - - - - - -
To Kalon Remote (TKKE) 1/21/26 59.0   1.7 1427 38.1   3.8 0558 - - - - - - - - - - - -
To Kalon 1/21/26 58.3   2.9 1307 39.1   3.4 0718 44.4   2.4 100   0 70   3 2.3 11.4   2.9 1051 SE | 140 0.00 17.71 0.032   0.000 139   9 -
To Kalon Remote (TKN5) 1/21/26 58.4   2.0 1310 39.0   3.4 0601 - - - - - - - - - - - -
Yountville (Ranch 67) 1/21/26 55.4   0.7 1257 38.8   3.3 0600 42.9   2.4 98   0 65   2 2.1 11.4   2.9 1523 SSE | 155 0.00 15.15 0.037   0.000 227   20 -
Stags Leap Dist (Silverado Vineyards) 1/21/26 55.6   1.1 1304 37.8   2.6 0550 43.0   2.2 100   0 69   1 1.7 14.0   3.6 1111 ESE | 106 0.00 18.44 0.033   0.001 153   13 -
Borreo (Soda Canyon) 1/21/26 55.1   1.3 1248 39.5   1.0 0725 43.0   1.5 97   1 64   2 1.8 10.0   2.6 1124 NW | 315 0.00 18.80 0.034   0.005 165   30 -
Wappo Hill Floor 1/21/26 55.6   0.9 1301 37.6   3.0 0521 43.6   2.3 100   0 70   1 2.2 9.2   1.8 1102 ESE | 117 0.00 18.22 0.029   0.001 136   9 -
Stags Leap Dist (Chimney Rock) 1/21/26 55.3   0.7 1259 39.1   2.6 0559 - - - 2.2 9.4   0.7 1034 S | 175 0.00 16.24 0.040   0.004 125   1 0   0
Yountville-South (Ranch 87) 1/21/26 56.2   1.0 1432 39.0   3.6 0527 44.3   2.4 100   0 70   3 1.8 8.9   2.3 1035 S | 174 0.00 18.26 0.029   0.000 130   4 -
Yountville-SE (Ranch 85) 1/21/26 55.3   0.9 1417 39.8   5.4 0704 44.3   2.3 100   0 72   0 1.8 8.4   1.5 1044 SSE | 160 0.00 17.18 - 0   0 0   0
Oak Knoll-East (Ranch 53) 1/21/26 55.5   1.5 1415 39.2   2.5 0709 43.4   2.0 98   0 69   1 1.9 9.6   3.0 1035 S | 175 0.00 16.09 0.028   0.001 124   3 -
Napa-NW (Ranch 54) 1/21/26 55.1   0.2 1421 38.8   2.2 0748 44.0   1.7 100   0 69   0 1.7 10.6   4.1 1051 SSE | 161 0.00 17.24 - 0   0 0   0
Napa-North (Ranch 29) 1/21/26 54.0   0.6 1320 39.2   2.7 0518 44.5   2.2 100   0 74   1 1.3 9.5   1.8 1302 SSW | 196 0.00 15.78 0.020   0.003 78   12 -
Max   64.0 - 46.4 - 45.7 100 74 2.8 16.0 - - 0.00 22.65 0.040 227 -
Avg   - - - - 43.7 - - 1.8 - - - - - - - -
Min   54.0 - 33.0 - 41.5 91 33 0.2 7.4 - - 0.00 15.15 0.020 0 -

Southern Napa County

22 Stations

Daily Data
as of 1/22/26 8:45 PM PST
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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)
Mt. Veeder 1/21/26 60.8   1.3 1257 49.9   3.4 2032 33.6   0.5 76   21 31   1 1.5 9.6   0.3 1014 NNW | 347 0.00 22.87 0.044   0.012 113   29 0   0
Mount George (Napa East) 1/21/26 56.5   3.2 1441 37.6   2.7 0743 44.4   4.1 98   0 76   2 1.1 6.4   0.1 1735 ESE | 107 0.00 7.16 0.032   0.004 159   30 -
Napa-East (Palmaz 300') 1/21/26 54.7   1.6 1411 40.0   2.4 0741 44.3   1.9 100   0 74   5 1.0 7.4   1.3 1034 S | 179 0.00 14.03 0.026   0.004 118   19 -
Napa-East (Palmaz 1200') 1/21/26 60.4   2.4 1245 45.1   1.2 0605 38.5   0.8 90   2 41   3 2.7 13.3   0.2 1127 NNE | 22 - - 0.046   0.008 142   32 -
Napa-East (Palmaz 1400') 1/21/26 59.6   2.7 1319 45.2   4.1 0709 38.2   0.9 85   6 41   1 4.1 12.4   2.2 1125 NNE | 15 0.00 19.50 0.057   0.007 156   27 -
Wooden Valley 4/30/25 78.8   0.4 1303 51.0   7.3 0600 49.9   1.6 90   5 34   2 4.0 16.6   0.3 0031 SW | 220 0.00 30.39 0.212   0.008 668   2 0   0
Napa-West Upper (Truchard) 1/21/26 53.8   2.5 1403 39.0   0.3 0742 - - - 2.3 13.0   2.2 1028 SW | 232 0.00 15.55 0.043   0.003 126   10 0   0
Napa-West Lower (Truchard) 1/21/26 54.1   1.7 1404 35.9   2.6 0705 42.0   1.1 100   0 76   2 - - - - - - - - 0   0
Napa-South (Toyon Farms) 1/21/26 53.4   1.7 1402 40.8   0.9 0712 45.4   1.2 100   0 82   1 1.0 9.8   0.8 1441 SSW | 198 0.00 9.78 0.013   0.002 70   10 0   0
Toyon Remote 1 1/21/26 54.1   0.6 1403 38.3   1.5 0711 - - - - - - - - - - - -
Toyon Remote 2 1/21/26 52.7   0.2 1425 38.6   1.7 0738 - - - - - - - - - - - -
Toyon Remote 3 1/21/26 54.3   0.6 1358 36.9   0.8 0737 - - - - - - - - - - - -
Dealy Lane (Ranch 80) 1/21/26 55.0   3.2 1415 39.3   1.3 0747 43.8   1.1 97   0 70   7 1.6 9.6   0.7 1442 S | 189 0.00 14.80 0.027   0.002 132   15 -
Carneros (Saintsbury) 1/21/26 52.3   1.3 1357 35.7   1.4 0750 42.0   0.8 100   0 78   2 2.1 10.6   0.5 1436 SE | 141 0.00 1.65 - - 0   0
Suscol Lower (Ranch 35) 1/21/26 53.5   0.4 1426 38.6   2.0 0743 43.8   1.6 - - 2.1 9.1   0.1 1250 S | 173 0.00 14.19 0.027   0.001 128   6 -
Suscol Mtn (Ranch 93) 1/21/26 56.4   2.6 2212 43.0   2.6 0734 42.7   1.3 97   1 46   7 2.7 14.9   4.5 2225 SE | 144 0.00 9.83 - - -
Suscol Upper (Ranch 92) 1/21/26 54.1   0.8 1359 43.4   4.6 0809 43.6   1.4 94   6 61   11 0.4 15.3   2.7 2137 SE | 134 0.00 13.66 - - 0   0
Stanly (Ranch 45) 1/21/26 53.3   0.0 1421 36.7   0.3 0712 41.8   0.9 100   0 75   0 2.7 13.8   5.1 1435 SSE | 165 0.00 15.30 0.027   0.003 138   14 0   0
Carneros Upper (Ranch 81) 1/21/26 55.9   5.1 1401 42.0   1.7 0749 15.0   7.3 - - 2.9 11.6   2.3 1013 SSE | 159 - - - - -
Carneros (Mitsuko) 1/21/26 54.4   2.8 1400 37.5   1.8 0737 - - - - - - - - - - - -
Carneros Lower (Ranch 81) 1/21/26 54.7   3.2 1406 40.2   0.3 0725 -8.3   7.5 100   0 0   0 1.4 11.0   2.3 1602 S | 173 0.00 12.79 0.031   0.002 96   3 -
Carneros (Milton Rd) 1/21/26 52.7   0.2 1505 38.2   2.0 0726 43.2   0.9 96   0 75   0 - - - - 0.00 5.74 - - -
Max   60.8 - 49.9 - 45.4 100 82 4.1 15.3 - - 0.00 22.87 0.057 159 -
Avg   - - - - 37.1 - - 2.0 - - - - - - - -
Min   52.3 - 35.7 - -8.3 76 0 0.4 6.4 - - 0.00 1.65 0.013 70 -