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Northeast Napa County

12 Stations

Daily Data
as of 4/1/26 6:02 AM PDT
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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 3/31/26 61.6   12.9 1233 45.9   2.6 1918 - - - - - - - 0.73 43.06 - - 80   10
Pope Valley (Weeks Lake) 3/31/26 67.5   9.8 1242 48.3   7.9 0010 49.2   4.8 100   0 49   30 2.3 13.4   5.7 1827 SSW | 206 0.32 21.92 0.049   0.033 132   101 90   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 3/31/26 71.5   7.6 1224 52.0   6.1 0006 51.2   2.5 96   1 46   18 4.6 20.9   3.1 1829 WSW | 251 0.38 19.54 0.061   0.044 157   109 90   10
Dollarhide 1AS Remote 3/31/26 95.7 1541 36.7 0736 52.1 95 13 3.3 17.7 1300 N | 1 - - - - 90
Dollarhide 17B Remote 3/31/26 69.1   8.8 1222 50.6   6.7 0029 51.5   2.9 98   0 54   28 - - - - - - - - 90   10
Dollarhide 18A Remote 3/31/26 68.8   9.0 1224 50.6   11.6 0026 50.7   3.7 98   1 44   13 - - - - - - - - 90   10
Angwin 3/31/26 61.2   11.2 1207 45.0   9.9 1854 46.2   15.8 100   27 31   17 4.8 17.8   6.3 1427 SE | 146 0.76 39.36 0.012   0.038 0   0 80   10
Lower Angwin (Pioneer) 3/31/26 63.1   11.0 1208 47.5   1.4 1827 - - - 3.7 16.2   4.5 0142 S | 179 - - - - 90   10
Deer Park 3/31/26 65.6   11.6 1218 50.5   6.8 2301 50.9   9.1 97   22 60   40 2.7 15.1   0.9 0240 WNW | 293 0.50 24.11 0.037   0.057 95   113 90   10
Lower Chiles Valley (Brown) 3/31/26 66.3   8.9 1150 50.6   8.6 2148 50.0   4.3 95   2 57   31 2.4 20.7   11.1 1652 NNW | 343 0.55 21.22 0.049   0.044 145   108 90   10
Moss Creek Vineyard/Reservior 3/31/26 68.9   9.3 1154 53.9   8.5 2025 50.6   4.5 93   0 54   26 - - - - 0.14 23.51 - - 50   10
Max   95.7 - 53.9 - 52.1 100 60 4.8 20.9 - - 0.76 43.06 0.061 157 -
Avg   - - - - 50.3 - - 3.4 - - - - - - - -
Min   61.2 - 36.7 - 46.2 93 13 2.3 13.4 - - 0.14 19.54 0.012 0 -

Northern & Central Napa County

27 Stations

Daily Data | America/Los_Angeles
as of 4/1/26 6:02 AM PDT
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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 3/31/26 70.6   9.0 1227 50.4   2.3 0000 53.0   4.4 99   15 58   30 - - - - 0.40 28.29 - - 40   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) 3/31/26 64.3   11.7 1209 49.1   5.6 2126 51.2   9.3 100   20 60   37 - - - - 0.38 26.78 - - 90   10
Diamond Mtn (McEachran) 3/31/26 67.4   8.7 1159 50.2   6.2 2150 51.5   8.4 98   21 58   34 - - - - - - - - 80   10
St. Helena-North 3/31/26 67.8   13.4 1248 51.1   2.5 2251 50.9   7.6 98   25 52   33 2.1 13.8   3.3 1750 NNW | 329 0.44 27.10 0.044   0.047 112   115 80   10
St. Helena (NVV Office) 3/31/26 68.7   11.2 1204 52.3   3.0 2344 - - - 1.0 12.7   3.3 0231 NNW | 341 0.35 23.86 - - 80   10
Tiara Fria (East St. Helena) 3/31/26 67.3   11.4 1215 52.9   4.3 0008 51.8   6.1 94   13 53   27 2.9 16.5   2.0 0250 NNW | 327 0.35 22.15 - - 80   10
Rutherford Hill Estate 3/31/26 67.8   10.8 1216 51.5   5.5 2258 51.8   7.1 100   24 56   29 1.5 15.6   3.9 1335 SSE | 157 0.33 21.68 0.043   0.042 133   108 90   10
Rutherford-North (Mee Ln) 3/31/26 69.3   9.5 1211 50.7   2.7 2314 51.5   4.4 94   9 55   30 2.4 16.0   0.0 1329 SE | 146 0.27 20.76 0.049   0.045 137   110 90   10
Rutherford (STS) 3/31/26 70.5   9.0 1154 52.2   3.2 2257 53.1   3.8 91   4 58   30 2.1 12.6   0.7 1558 WSW | 250 0.23 21.88 0.052   0.047 160   128 80   10
Oakville-NE (Ranch 88) 3/31/26 69.1   8.9 1204 52.7   6.5 2318 51.1   6.9 92   9 50   29 2.2 16.3   2.1 1329 SSW | 202 0.18 21.37 0.058   0.043 167   105 0   0
OV561-East 3/31/26 68.9   7.8 1208 53.0   5.2 2257 - - - - - - - - - - - 70   10
Oakville 3/31/26 67.7   10.0 1204 53.0   6.5 0020 52.0   5.7 94   6 56   34 2.9 17.0   0.4 1325 SE | 143 0.10 21.83 0.057   0.047 167   116 70   10
OV518-West 3/31/26 69.1   8.1 1207 53.2   5.6 0019 - - - - - - - - - - - 70   10
To Kalon Remote (TKKE) 3/31/26 69.1   10.7 1158 53.1   6.7 0020 - - - - - - - - - - - 80   10
To Kalon 3/31/26 67.5   10.8 1209 52.8   5.3 0020 52.7   6.1 97   11 56   30 2.6 14.1   0.1 1530 SW | 235 0.14 23.76 0.051   0.044 146   94 90   10
To Kalon Remote (TKN5) 3/31/26 71.5   7.6 1206 53.3   7.0 0022 - - - - - - - - - - - 80   10
Yountville (Ranch 67) 3/31/26 65.8   9.9 1142 52.5   5.1 0040 51.9   5.6 95   8 56   29 2.7 14.0   0.2 1325 S | 183 0.11 20.07 0.058   0.050 192   131 70   10
Stags Leap Dist (Silverado Vineyards) 3/31/26 65.3   9.8 1146 52.0   3.5 0037 51.7   5.5 93   8 59   32 2.1 13.6   1.7 1321 SSE | 161 0.11 24.02 0.050   0.052 152   138 80   10
Borreo (Soda Canyon) 3/31/26 64.0   9.5 1138 53.0   4.6 2150 51.7   6.3 97   15 63   34 1.6 12.8   4.7 1451 S | 174 0.14 23.97 0.044   0.050 147   155 80   10
Wappo Hill Floor 3/31/26 67.6   9.0 1136 51.5   6.3 0037 53.3   6.1 100   4 59   30 2.6 14.5   2.5 1446 SSW | 212 0.08 23.36 0.047   0.052 138   121 70   10
Stags Leap Dist (Chimney Rock) 3/31/26 66.3   9.7 1137 53.8   7.1 0036 54.1   6.0 97   5 66   32 2.8 14.4   1.1 1439 S | 182 0.11 22.62 0.045   0.052 130   125 70   10
Yountville-South (Ranch 87) 3/31/26 67.3   8.9 1137 53.3   6.4 0058 53.7   5.4 100   8 60   32 2.2 18.1   7.8 1440 SW | 231 0.09 23.75 0.045   0.043 131   110 50   10
Yountville-SE (Ranch 85) 3/31/26 65.8   10.6 1131 53.8   6.7 0059 53.8   5.7 96   4 61   32 1.7 10.6   1.1 1910 N | 350 0.10 22.29 - 0   0 70   10
Oak Knoll-East (Ranch 53) 3/31/26 66.1   10.2 1054 54.2   6.4 0047 53.1   6.6 93   5 57   29 2.3 14.2   4.9 1510 SW | 229 0.08 20.54 0.049   0.041 136   113 50   10
Napa-NW (Ranch 54) 3/31/26 66.2   10.4 1124 54.1   5.7 0007 53.1   6.6 95   11 57   31 1.9 12.3   0.5 1446 SW | 233 0.09 22.78 - 0   0 70   10
Napa-North (Ranch 29) 3/31/26 65.4   9.4 1135 54.7   7.0 0059 55.0   7.0 100   8 63   30 2.0 18.7   3.7 1427 SSE | 166 0.10 20.42 0.034   0.031 84   66 70   10
Max   71.5 - 54.7 - 55.0 100 66 2.9 18.7 - - 0.44 28.29 0.058 192 -
Avg   - - - - 52.5 - - 2.2 - - - - - - - -
Min   64.0 - 49.1 - 50.9 91 50 1.0 10.6 - - 0.08 20.07 0.034 0 -

Southern Napa County

22 Stations

Daily Data | America/Los_Angeles
as of 4/1/26 6:02 AM PDT
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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 3/31/26 60.6   13.8 1053 51.0   3.4 2045 49.8   10.3 100   23 50   36 2.5 14.0   9.1 1310 SSE | 158 0.19 29.48 0.122   0.033 702   58 90   10
Mount George (Napa East) 3/31/26 67.0   7.1 1052 55.2   8.9 0526 54.3   7.5 97   10 65   30 1.4 14.9   7.7 1429 W | 259 0.18 12.06 0.050   0.039 162   120 70   10
Napa-East (Palmaz 300') 3/31/26 67.2   8.2 1057 55.0   6.8 0650 53.8   6.7 100   15 61   28 1.8 16.1   6.1 1428 SW | 222 0.18 18.49 0.045   0.040 135   110 70   10
Napa-East (Palmaz 1200') 3/30/26 75.9   7.6 1155 50.2   0.7 0653 43.7   3.4 86   19 19   0 2.1 9.3   5.4 1410 WNW | 285 - - 0.094   0.074 269   222 90   10
Napa-East (Palmaz 1400') 3/31/26 63.5   13.2 1056 51.6   1.9 0334 51.9   9.0 100   12 66   46 2.9 14.9   3.9 1515 SSW | 203 0.28 25.08 0.039   0.060 148   138 80   10
Wooden Valley 3/31/26 64.3   10.9 1133 53.0   10.4 2243 51.3   4.5 95   1 62   29 3.2 21.9   10.8 1511 WSW | 240 0.15 24.15 0.063   0.037 210   65 80   10
Napa-West Upper (Truchard) 3/31/26 66.8   9.0 1335 52.7   1.6 0003 14.0   32.7 100   13 0   32 3.4 20.9   7.5 1435 SW | 221 0.08 20.24 0.057   0.042 152   117 70   10
Napa-West Lower (Truchard) 3/31/26 69.6   8.2 1046 52.9   9.4 0058 53.3   5.0 95   3 60   26 - - - - - - - - 70   10
Napa-South (Toyon Farms) 3/31/26 65.2   9.3 1337 54.2   3.4 0035 55.6   4.3 100   12 71   27 2.3 16.0   2.2 1431 SSW | 197 0.09 14.03 0.022   0.032 77   64 70   10
Toyon Remote 1 3/31/26 67.9   7.0 1041 53.4   10.9 0038 - - - - - - - - - - - -
Toyon Remote 2 3/31/26 67.7   7.3 1041 54.3   8.6 0036 - - - - - - - - - - - -
Toyon Remote 3 3/31/26 67.2   8.0 1043 53.9   8.6 0035 - - - - - - - - - - - -
Dealy Lane (Ranch 80) 3/31/26 66.1   9.5 1332 54.0   5.7 0039 53.3   5.1 94   10 62   27 2.0 13.4   4.3 1425 SW | 215 0.06 19.41 0.048   0.049 155   136 70   10
Carneros (Saintsbury) 3/31/26 65.0   7.8 1231 51.3   2.5 0048 53.4   4.4 100   14 66   27 2.6 17.0   2.5 1408 SW | 214 0.08 5.70 - - 0   0
Suscol Lower (Ranch 35) 3/31/26 65.7   8.6 1329 54.4   5.0 0025 54.1   7.8 - - 3.7 20.2   3.3 1428 SSW | 204 0.14 18.45 0.047   0.059 133   133 70   10
Suscol Mtn (Ranch 93) 3/31/26 63.3   8.7 1327 53.5   1.9 0321 52.4   9.2 99   12 67   40 5.0 25.1   13.2 1406 W | 264 0.18 13.98 - - 70   10
Suscol Upper (Ranch 92) 3/31/26 63.5   9.4 1330 53.9   2.2 0321 38.5   5.8 100   14 3   27 2.6 22.5   10.0 1630 SW | 217 0.15 18.31 - - 80   10
Stanly (Ranch 45) 3/31/26 68.7   8.6 1236 52.1   6.0 0059 53.0   4.4 95   4 59   32 4.0 19.4   2.0 1426 SW | 227 0.17 19.82 0.051   0.061 143   146 70   10
Carneros Upper (Ranch 81) 3/31/26 64.9   10.5 1220 54.6   1.4 0713 53.0   6.7 - - 4.2 27.2   14.2 1408 SW | 218 - - - - 70   10
Carneros (Mitsuko) 3/31/26 65.7   9.4 1335 53.0   10.3 0038 - - - - - - - - - - - 0   0
Carneros Lower (Ranch 81) 3/31/26 66.0   10.1 1329 54.1   6.5 0043 54.1   4.3 95   7 66   27 1.2 14.3   3.8 1424 S | 177 0.00 16.94 0.038   0.041 118   116 0   0
Carneros (Milton Rd) 3/31/26 65.6   9.0 1322 54.6   10.3 0658 54.0   5.4 93   2 64   27 - - - - 0.00 17.00 - - 30   10
Max   69.6 - 55.2 - 55.6 100 71 5.0 27.2 - - 0.28 29.48 0.122 702 -
Avg   - - - - 50.0 - - 2.8 - - - - - - - -
Min   60.6 - 51.0 - 14.0 93 0 1.2 13.4 - - 0.00 5.70 0.022 77 -