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Northeast Napa County

12 Stations

Daily Data | America/Los_Angeles
as of 1/21/26 3:14 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 1/20/26 62.5   7.4 1252 42.4   1.7 0727 - - - - - - - 0.00 34.57 - - -
Pope Valley (Weeks Lake) 1/20/26 68.4   6.9 1335 30.2   3.1 0348 37.0   2.6 100   0 33   11 0.9 6.8   2.4 1406 SE | 126 0.00 16.94 0.048   0.012 195   56 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 1/20/26 69.4   4.3 1255 34.5   1.4 0601 39.9   0.1 100   0 38   8 2.4 11.6   0.7 1326 ESE | 102 0.00 14.79 0.062   0.012 217   56 -
Dollarhide 1AS Remote 1/20/26 69.5   4.6 1306 29.7   2.5 0406 37.4   2.4 96   0 39   10 1.0 8.6   0.2 1320 E | 86 - - - - -
Dollarhide 17B Remote 1/20/26 69.3   4.4 1257 33.4   4.0 0402 39.7   1.6 100   0 36   7 - - - - - - - - -
Dollarhide 18A Remote 1/20/26 67.2   4.6 1249 29.0   3.1 0420 36.9   2.4 100   0 38   9 - - - - - - - - -
Angwin 1/20/26 58.5   6.5 1324 48.6   3.9 0646 30.0   3.3 57   13 29   7 9.2 18.3   0.5 1028 NNW | 341 0.00 32.03 0.083   0.005 0   0 0   0
Lower Angwin (Pioneer) 1/20/26 61.3   7.0 1325 51.3   12.3 1843 - - - 4.8 14.7   1.2 0921 NNE | 23 - - - - -
Deer Park 1/20/26 67.4   2.2 1303 42.1   4.5 0611 41.1   0.2 92   10 31   5 2.6 14.1   5.2 1136 NE | 39 0.00 18.50 0.049   0.006 145   51 -
Lower Chiles Valley (Brown) 1/20/26 67.0   6.5 1230 34.6   3.5 0134 39.3   2.7 100   0 34   12 1.5 11.7   0.3 1139 ESE | 122 0.00 14.38 0.061   0.017 199   61 0   0
Moss Creek Vineyard/Reservior 1/20/26 64.8   8.8 1224 36.0   2.9 0523 40.4   1.7 100   0 41   20 - - - - 0.00 19.00 - - -
Max   69.5 - 51.3 - 41.1 100 41 9.2 18.3 - - 0.00 34.57 0.083 217 -
Avg   - - - - 38.0 - - 3.2 - - - - - - - -
Min   58.5 - 29.0 - 30.0 57 29 0.9 6.8 - - 0.00 14.38 0.048 0 -

Northern & Central Napa County

27 Stations

Daily Data | America/Los_Angeles
as of 1/21/26 3:14 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 1/20/26 70.1   1.9 1319 37.2   2.8 0728 44.2   1.5 100   0 41   5 - - - - 0.01 22.65 - - -
Fotsch (Maple Lane) 1/20/26 65.0   4.6 1256 35.6   3.8 0151 42.3   2.1 98   0 50   13 2.4 11.3   1.3 1351 ESE | 112 0.00 20.61 - - -
Diamond Mtn (Schramsberg) 1/20/26 64.2   5.2 1229 43.9   5.4 0556 39.0   1.8 88   11 28   12 - - - - 0.00 20.76 - - -
Diamond Mtn (McEachran) 1/20/26 65.5   5.0 1248 40.9   4.3 0637 43.5   2.4 97   10 35   1 - - - - - - - - -
St. Helena-North 1/20/26 60.4   7.2 1240 37.8   2.2 0732 42.4   1.3 100   1 62   26 2.3 11.2   1.8 1202 S | 173 0.00 20.73 0.036   0.019 132   75 -
St. Helena (NVV Office) 1/20/26 58.2   8.1 1455 38.7   3.9 0148 - - - 1.2 6.4   0.4 1620 SE | 137 0.00 18.18 - - -
Tiara Fria (East St. Helena) 1/20/26 56.6   7.8 1453 36.4   2.6 0245 41.8   1.2 98   0 69   18 1.7 7.8   0.8 1606 SE | 129 0.00 16.72 - - -
Rutherford Hill Estate 1/20/26 58.3   8.2 1452 40.0   5.2 0816 43.6   0.4 97   8 68   24 1.3 6.4   1.5 1248 S | 175 0.00 17.00 0.034   0.019 162   64 0   0
Rutherford-North (Mee Ln) 1/20/26 56.7   8.1 1455 31.5   1.8 0728 38.7   0.2 100   0 68   18 2.0 9.2   2.0 1607 SE | 125 0.00 15.31 0.032   0.023 157   74 0   0
Rutherford (STS) 1/20/26 57.3   9.1 1445 34.8   1.0 0224 40.5   0.6 92   0 76   20 1.7 7.4   2.0 1616 SE | 135 0.00 16.01 0.036   0.028 181   95 -
Oakville-NE (Ranch 88) 1/20/26 55.9   8.3 1446 33.5   3.2 0248 39.6   2.2 97   0 68   20 0.0 4.1   7.8 1832 SE | 142 0.00 16.02 0.032   0.030 160   111 0   0
OV561-East 1/20/26 56.9   10.1 1457 35.9   3.6 0104 - - - - - - - - - - - -
Oakville 1/20/26 55.1   7.8 1436 35.2   2.7 0255 40.8   1.2 98   0 69   20 2.5 9.9   3.9 1605 SE | 134 0.00 16.58 0.035   0.026 169   95 -
OV518-West 1/20/26 55.5   8.5 1439 36.1   3.0 0336 - - - - - - - - - - - -
To Kalon Remote (TKKE) 1/20/26 57.3   8.5 1456 34.3   2.2 0234 - - - - - - - - - - - -
To Kalon 1/20/26 55.4   8.7 1354 35.8   2.5 0243 42.1   0.9 100   0 73   20 2.0 8.5   3.1 1603 SSE | 156 0.00 17.71 0.032   0.025 148   100 -
To Kalon Remote (TKN5) 1/20/26 56.5   8.5 1440 35.6   3.5 0207 - - - - - - - - - - - -
Yountville (Ranch 67) 1/20/26 54.7   7.7 1345 35.5   2.8 0312 40.6   1.7 98   0 67   18 1.8 8.5   4.5 1318 S | 180 0.00 15.15 0.037   0.028 247   100 -
Stags Leap Dist (Silverado Vineyards) 1/20/26 54.4   7.5 1457 35.2   1.6 0237 40.9   1.1 100   0 68   19 1.3 10.4   2.9 1601 SE | 135 0.00 18.44 0.034   0.032 166   96 -
Borreo (Soda Canyon) 1/20/26 56.3   6.7 1227 38.5   0.9 0734 41.5   1.3 98   1 61   15 1.6 7.3   0.5 0254 NNW | 329 0.00 18.80 0.039   0.022 196   79 -
Wappo Hill Floor 1/20/26 54.7   8.7 1345 34.7   3.8 0656 41.2   1.4 100   0 72   21 1.8 7.4   3.0 1336 SSE | 155 0.00 18.22 0.030   0.031 145   120 -
Stags Leap Dist (Chimney Rock) 1/20/26 54.6   10.8 1349 36.5   4.6 0702 - - - 2.0 8.8   0.7 0430 SSE | 158 0.00 16.24 0.036   0.017 126   101 0   0
Yountville-South (Ranch 87) 1/20/26 55.2   8.4 1343 35.4   1.8 0247 41.8   0.5 100   0 73   18 1.4 6.6   1.9 1307 S | 175 0.00 18.26 0.029   0.030 134   122 -
Yountville-SE (Ranch 85) 1/20/26 54.4   9.0 1344 34.5   1.4 0257 42.0   1.4 100   0 72   21 1.5 6.9   2.9 1304 SW | 224 0.00 17.18 - 0   0 0   0
Oak Knoll-East (Ranch 53) 1/20/26 54.0   9.2 1510 36.8   3.6 0311 41.4   1.2 98   0 68   18 1.4 6.6   1.5 1340 S | 171 0.00 16.09 0.029   0.027 126   116 -
Napa-NW (Ranch 54) 1/20/26 54.9   7.5 1225 36.6   2.0 0642 42.3   0.6 100   0 69   16 1.3 6.4   4.0 1342 SE | 131 0.00 17.24 - 0   0 0   0
Napa-North (Ranch 29) 1/20/26 53.3   9.4 1220 36.5   3.1 0309 42.3   1.7 100   0 73   25 1.1 7.7   0.8 1228 SSE | 166 0.00 15.78 0.023   0.017 91   63 -
Max   70.1 - 43.9 - 44.2 100 76 2.5 11.3 - - 0.01 22.65 0.039 247 -
Avg   - - - - 41.5 - - 1.6 - - - - - - - -
Min   53.3 - 31.5 - 38.7 88 28 0.0 4.1 - - 0.00 15.15 0.023 0 -

Southern Napa County

22 Stations

Daily Data
as of 1/21/26 3:14 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 1/20/26 62.1   4.9 1225 53.3   0.9 0622 34.1   0.8 55   14 31   8 1.8 9.8   0.0 1030 NNE | 16 0.00 22.87 0.056   0.006 142   15 0   0
Mount George (Napa East) 1/20/26 53.3   26.3 1210 34.9   1.7 0326 40.3   15.7 98   2 74   20 1.2 6.3   0.2 1228 W | 259 0.00 7.16 0.036   0.042 189   104 -
Napa-East (Palmaz 300') 1/20/26 56.3   10.5 1200 37.6   0.5 0714 42.4   0.7 100   0 69   26 1.2 6.1   1.1 1237 SW | 228 0.00 14.03 0.030   0.024 137   97 -
Napa-East (Palmaz 1200') 1/20/26 62.9   4.2 1222 43.8   2.6 0245 39.3   1.0 88   3 38   13 3.3 13.1   1.3 0932 NNE | 33 - - 0.054   0.012 173   76 -
Napa-East (Palmaz 1400') 1/20/26 62.3   5.8 1223 41.1   0.7 0328 39.0   1.9 90   3 40   14 5.1 14.6   2.6 0705 NNE | 20 0.00 19.50 0.064   0.012 183   84 -
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) 1/20/26 51.4   10.5 1503 38.8   2.3 0728 - - - 2.4 10.8   0.8 1221 S | 180 0.00 15.55 0.040   0.019 135   131 0   0
Napa-West Lower (Truchard) 1/20/26 52.4   9.5 1451 33.3   2.4 0117 40.8   2.1 100   0 78   22 - - - - - - - - 0   0
Napa-South (Toyon Farms) 1/20/26 51.7   10.3 1509 39.9   1.9 0340 44.2   0.1 100   0 84   24 1.5 9.0   0.2 0423 WSW | 255 0.00 9.78 0.015   0.017 80   60 0   0
Toyon Remote 1 1/20/26 53.4   6.6 1133 36.9   3.6 0142 - - - - - - - - - - - -
Toyon Remote 2 1/20/26 52.5   7.1 1146 36.9   4.9 0013 - - - - - - - - - - - -
Toyon Remote 3 1/20/26 53.7   7.1 1203 36.1   3.8 0055 - - - - - - - - - - - -
Dealy Lane (Ranch 80) 1/20/26 51.8   9.9 1500 38.1   3.2 0023 42.7   0.7 98   0 77   24 1.7 8.9   0.4 1223 SSW | 200 0.00 14.80 0.029   0.030 147   123 -
Carneros (Saintsbury) 1/20/26 51.0   9.3 1441 37.1   3.3 0526 41.2   0.1 100   0 80   24 2.8 10.1   2.3 0404 SW | 236 0.00 1.65 - - 0   0
Suscol Lower (Ranch 35) 1/20/26 53.2   9.4 1324 36.6   0.4 0142 42.2   0.6 - - 2.0 9.0   1.1 1849 SSW | 213 0.00 14.19 0.028   0.028 134   124 -
Suscol Mtn (Ranch 93) 1/20/26 59.0   5.6 1845 40.4   9.8 0714 41.4   1.6 96   22 40   2 2.9 19.4   11.2 0332 ENE | 71 0.00 9.83 - - -
Suscol Upper (Ranch 92) 1/20/26 54.8   11.5 0002 38.8   10.8 0709 42.2   1.3 100   27 49   15 0.5 12.6   9.9 1854 SSW | 210 0.00 13.66 - - 0   0
Stanly (Ranch 45) 1/20/26 53.3   5.0 1456 36.4   1.5 0239 40.9   0.1 100   0 75   16 2.4 8.7   3.2 1830 NNE | 29 0.00 15.30 0.030   0.034 153   149 0   0
Carneros Upper (Ranch 81) 1/20/26 50.7   11.2 1442 40.2   3.8 0335 22.2   22.2 - - 4.0 13.9   5.5 0424 ESE | 116 - - - - -
Carneros (Mitsuko) 1/20/26 51.6   10.7 1140 35.7   4.6 0034 - - - - - - - - - - - -
Carneros Lower (Ranch 81) 1/20/26 51.5   10.6 1514 39.8   4.0 0044 -0.9   17.9 100   0 0   0 1.4 13.3   6.7 0419 S | 169 0.00 12.79 0.029   0.016 99   76 -
Carneros (Milton Rd) 1/20/26 52.9   9.3 1456 36.2   2.5 0021 42.3   2.3 96   1 76   24 - - - - 0.00 5.74 - - -
Max   62.9 - 53.3 - 44.2 100 84 5.1 19.4 - - 0.00 22.87 0.064 189 -
Avg   - - - - 37.2 - - 2.3 - - - - - - - -
Min   50.7 - 33.3 - -0.9 55 0 0.5 6.1 - - 0.00 1.65 0.015 80 -