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Northeast Napa County

12 Stations

Daily Data | America/Los_Angeles
as of 12/20/25 11:41 AM 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 12/19/25 54.7   5.5 1542 49.7   12.0 0128 - - - - - - - 1.33 13.59 - - -
Pope Valley (Weeks Lake) 12/19/25 56.8   2.7 1602 49.2   4.7 0033 53.4   5.4 100   0 85   18 2.2 12.5   6.6 0858 SSE | 156 0.45 6.10 0.011   0.012 36   64 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 12/19/25 58.3   2.0 1535 53.7   3.6 0055 54.9   4.0 99   1 89   19 4.4 22.6   12.6 0825 S | 169 0.39 5.33 0.016   0.017 53   104 -
Dollarhide 1AS Remote 12/19/25 58.2   4.4 1536 51.6   3.3 0041 54.0   4.6 94   0 88   20 3.5 21.4   10.4 0843 SSE | 168 - - - - -
Dollarhide 17B Remote 12/19/25 58.1   2.6 1536 52.2   4.9 0116 54.9   4.6 100   0 90   20 - - - - - - - - -
Dollarhide 18A Remote 12/19/25 58.1   4.8 1537 50.4   2.1 0037 54.1   4.3 98   2 87   26 - - - - - - - - -
Angwin 12/19/25 52.2   4.6 1520 47.5   3.3 0209 50.0   3.1 100   0 100   52 6.7 21.4   5.5 1106 SSE | 165 1.59 13.00 0.000   0.006 0   0 0   0
Lower Angwin (Pioneer) 12/19/25 53.3   0.5 1901 48.4   10.3 0042 - - - 4.5 18.5   8.5 0739 SSW | 203 - - - - -
Deer Park 12/19/25 56.0   0.6 2359 50.5   1.4 0053 53.7   3.8 100   1 97   18 5.7 17.2   9.0 1339 ESE | 118 0.76 7.35 0.006   0.006 23   25 -
Lower Chiles Valley (Brown) 12/19/25 57.5   2.5 1134 49.6   2.8 0006 52.6   3.4 100   0 82   14 2.5 13.6   5.2 1136 SSE | 153 0.00 1.51 0.017   0.019 47   116 0   0
Moss Creek Vineyard/Reservior 12/19/25 58.4   4.9 1216 51.8   4.3 0021 53.3   3.4 100   0 82   23 - - - - 0.31 6.56 - - -
Max   58.4 - 53.7 - 54.9 100 100 6.7 22.6 - - 1.59 13.59 0.017 53 -
Avg   - - - - 53.4 - - 4.2 - - - - - - - -
Min   52.2 - 47.5 - 50.0 94 82 2.2 12.5 - - 0.00 1.51 0.000 0 -

Northern & Central Napa County

27 Stations

Daily Data | America/Los_Angeles
as of 12/20/25 11:41 AM 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 12/19/25 58.0   0.8 1235 51.5   0.9 0145 54.8   2.9 100   0 97   13 - - - - 1.06 8.81 - - -
Fotsch (Maple Lane) 12/19/25 57.3   0.2 1136 51.6   0.8 0014 54.0   3.8 97   1 94   18 2.1 11.5   3.9 1138 ESE | 112 0.81 7.58 - - -
Diamond Mtn (Schramsberg) 12/19/25 56.2   2.2 1347 49.4   1.6 0307 52.8   2.6 100   0 100   9 - - - - 0.75 7.83 - - -
Diamond Mtn (McEachran) 12/19/25 56.6   1.3 1145 50.7   1.4 0300 53.8   3.4 100   1 99   16 - - - - - - - - -
St. Helena-North 12/19/25 57.2   0.2 1339 51.2   0.7 0048 53.2   3.8 95   1 94   19 2.9 12.9   7.7 1133 SSE | 151 0.72 7.06 0.011   0.003 30   21 -
St. Helena (NVV Office) 12/19/25 57.7   1.7 1342 51.6   0.7 0031 - - - 1.4 11.4   7.4 1149 ESE | 122 0.73 6.90 - - -
Tiara Fria (East St. Helena) 12/19/25 57.7   1.4 2357 51.5   1.6 0001 54.6   4.6 98   0 93   13 3.0 13.9   8.3 1336 SE | 133 0.62 6.57 - - -
Rutherford Hill Estate 12/19/25 57.1   3.1 2334 50.9   1.2 0059 54.7   4.2 100   0 100   29 3.2 19.3   12.9 1141 S | 172 0.00 4.04 0.006   0.012 23   62 0   0
Rutherford-North (Mee Ln) 12/19/25 50.9   6.2 1150 43.8   4.0 0745 45.8   2.2 98   0 89   13 5.1 19.3   13.4 1335 ESE | 108 0.63 5.95 0.010   0.005 36   32 0   0
Rutherford (STS) 12/19/25 58.0   1.5 1314 50.6   6.1 0008 49.5   3.1 84   6 79   2 3.6 16.7   9.8 1453 ESE | 111 0.70 6.72 0.023   0.005 33   38 -
Oakville-NE (Ranch 88) 12/19/25 57.7   0.6 2307 50.8   8.1 0001 54.1   5.6 96   0 89   15 5.3 16.3   8.9 1413 SSE | 168 0.59 6.41 0.014   0.008 39   60 0   0
OV561-East 12/19/25 58.3   1.9 1316 51.4   8.1 0002 - - - - - - - - - - - -
Oakville 12/19/25 57.9   0.7 2303 51.7   7.4 0001 54.5   5.2 98   0 89   15 5.8 16.3   8.6 1411 SE | 141 0.51 6.20 0.014   0.013 44   78 -
OV518-West 12/19/25 58.4   0.3 2252 52.2   7.3 0005 - - - - - - - - - - - -
To Kalon Remote (TKKE) 12/19/25 58.5   1.1 2200 51.5   6.3 0001 - - - - - - - - - - - -
To Kalon 12/19/25 57.8   1.1 1239 51.5   3.4 0001 54.9   4.6 100   0 93   9 5.3 17.6   10.7 1109 SE | 143 0.65 6.80 0.010   0.008 32   44 -
To Kalon Remote (TKN5) 12/19/25 58.8   1.2 2156 52.1   4.7 0001 - - - - - - - - - - - -
Yountville (Ranch 67) 12/19/25 57.5   2.7 2244 52.0   8.6 0132 53.7   5.3 97   0 85   19 5.6 17.0   10.6 1113 SE | 136 0.38 5.28 0.019   0.016 95   124 -
Stags Leap Dist (Silverado Vineyards) 12/19/25 57.5   4.0 2317 52.0   9.6 0120 53.4   5.2 96   1 84   23 5.4 19.2   10.3 1106 SE | 133 0.43 6.63 0.016   0.013 41   83 -
Borreo (Soda Canyon) 12/19/25 56.2   3.3 2247 50.8   9.3 0002 53.5   5.0 99   0 90   23 2.1 12.2   7.3 1118 SE | 144 0.58 7.72 0.008   0.015 27   82 -
Wappo Hill Floor 12/19/25 58.3   4.7 1117 51.5   11.1 0128 54.1   5.5 100   0 85   23 3.7 14.2   7.1 1148 SSE | 153 0.39 6.43 0.009   0.019 32   94 -
Stags Leap Dist (Chimney Rock) 12/19/25 58.4   4.8 1110 52.5   12.6 0001 - - - 3.5 15.1   9.2 1353 SE | 146 0.36 6.78 0.056   0.023 27   84 0   0
Yountville-South (Ranch 87) 12/19/25 59.1   2.4 1207 52.2   9.7 0001 55.5   5.7 100   0 87   19 3.6 12.9   7.8 1215 S | 170 0.39 6.48 0.012   0.016 43   80 -
Yountville-SE (Ranch 85) 12/19/25 58.6   2.8 1202 52.7   10.8 0001 55.3   5.8 100   0 86   19 2.9 11.2   4.9 1153 SSE | 154 0.37 6.45 - 0   0 0   0
Oak Knoll-East (Ranch 53) 12/19/25 59.3   3.9 1158 52.4   9.3 0001 54.4   5.6 97   0 81   21 2.8 11.0   5.3 1127 SSE | 168 0.43 7.09 0.014   0.019 41   107 -
Napa-NW (Ranch 54) 12/19/25 60.6   1.0 1200 52.2   10.1 0015 55.4   5.8 100   0 81   16 2.9 12.0   7.0 1422 SE | 142 0.58 7.46 - 0   0 0   0
Napa-North (Ranch 29) 12/19/25 61.0   2.3 1204 52.3   9.6 0125 55.5   5.4 100   0 78   17 2.5 13.2   8.2 2000 SSE | 162 0.40 7.04 0.010   0.009 30   51 -
Max   61.0 - 52.7 - 55.5 100 100 5.8 19.3 - - 1.06 8.81 0.056 95 -
Avg   - - - - 53.7 - - 3.6 - - - - - - - -
Min   50.9 - 43.8 - 45.8 84 78 1.4 11.0 - - 0.00 4.04 0.006 0 -

Southern Napa County

22 Stations

Daily Data
as of 12/20/25 11:41 AM 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 12/19/25 54.2   1.9 1821 49.3   4.5 0230 51.9   2.5 100   0 100   0 4.3 14.2   7.1 1208 S | 187 0.97 9.63 0.004   0.010 17   46 0   0
Mount George (Napa East) 12/19/25 65.3   0.4 1208 55.5   8.7 0624 58.5   5.6 100   0 79   14 1.6 11.4   5.5 1248 S | 174 0.00 2.99 0.016   0.007 49   54 -
Napa-East (Palmaz 300') 12/19/25 61.1   0.7 1203 52.5   7.6 0001 55.2   5.3 100   0 76   13 1.5 13.1   8.0 1406 SE | 138 0.48 6.71 0.013   0.009 39   56 -
Napa-East (Palmaz 1200') 12/19/25 55.6   0.3 2353 50.3   6.7 0237 35.4   4.2 50   50 50   0 2.3 14.2   8.6 1301 WNW | 292 - - 0.031   0.006 26   71 -
Napa-East (Palmaz 1400') 12/19/25 54.9   0.6 2312 49.7   5.5 0248 52.9   3.7 100   0 100   11 3.7 17.5   9.2 1353 SW | 235 0.79 9.27 0.007   0.017 39   94 -
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) 12/19/25 59.2   3.0 1205 51.1   4.7 0008 - - - 5.0 17.9   11.4 1207 S | 186 0.63 7.07 0.088   0.042 57   60 0   0
Napa-West Lower (Truchard) 12/19/25 59.7   4.4 1208 52.0   13.0 0004 54.3   4.9 100   0 83   22 - - - - - - - - 0   0
Napa-South (Toyon Farms) 12/19/25 60.1   1.0 1153 52.7   6.9 0001 55.6   4.5 100   0 86   12 3.6 15.7   10.7 1510 SSE | 160 0.00 2.36 0.006   0.005 32   20 0   0
Toyon Remote 1 12/19/25 60.2   0.3 1202 52.3   11.9 0006 - - - - - - - - - - - -
Toyon Remote 2 12/19/25 60.0   0.3 1202 52.6   11.6 0020 - - - - - - - - - - - -
Toyon Remote 3 12/19/25 60.2   1.3 1202 52.2   11.9 0000 - - - - - - - - - - - -
Dealy Lane (Ranch 80) 12/19/25 60.3   1.1 1200 52.2   8.6 0046 54.1   4.9 97   0 79   15 2.1 11.1   5.1 1154 S | 191 0.65 6.74 0.015   0.010 58   60 -
Carneros (Saintsbury) 12/19/25 58.5   2.4 1202 49.4   7.7 0723 51.6   3.6 100   0 82   14 4.3 17.9   11.7 1439 S | 176 0.00 1.64 - - 0   0
Suscol Lower (Ranch 35) 12/19/25 61.2   0.3 1203 52.5   8.2 0215 52.6   2.7 - - 4.5 15.9   9.6 1112 S | 169 0.46 6.40 0.021   0.000 56   36 -
Suscol Mtn (Ranch 93) 12/19/25 56.3   2.7 1041 51.0   2.8 0250 53.7   4.4 100   1 87   16 5.1 25.7   15.0 1410 W | 259 0.66 7.02 - - -
Suscol Upper (Ranch 92) 12/19/25 57.3   1.1 1212 51.4   2.2 0227 52.8   2.2 100   0 3   69 3.8 17.7   8.8 1134 SSE | 161 0.53 6.61 - - 0   0
Stanly (Ranch 45) 12/19/25 59.8   0.9 1201 49.7   7.9 0256 51.2   3.9 100   1 77   8 4.8 17.4   10.4 1348 SSW | 207 0.50 7.42 0.020   0.001 64   31 0   0
Carneros Upper (Ranch 81) 12/19/25 58.8   1.4 1142 51.5   5.4 0025 4.0   14.3 - - 7.4 21.2   13.6 1132 S | 189 - - - - -
Carneros (Mitsuko) 12/19/25 59.8   1.8 1127 52.3   11.3 0006 - - - - - - - - - - - -
Carneros Lower (Ranch 81) 12/19/25 59.6   1.3 1146 52.4   7.9 0043 -11.7   14.6 100   0 0   0 2.5 12.6   3.4 1048 S | 179 0.57 5.62 0.049   0.032 32   14 -
Carneros (Milton Rd) 12/19/25 60.5   0.3 1201 53.2   8.2 0143 54.2   4.5 95   0 78   9 - - - - 0.11 4.97 - - -
Max   65.3 - 55.5 - 58.5 100 100 7.4 25.7 - - 0.97 9.63 0.088 64 -
Avg   - - - - 45.4 - - 3.8 - - - - - - - -
Min   54.2 - 49.3 - -11.7 50 0 1.5 11.1 - - 0.00 1.64 0.004 17 -