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Northeast Napa County

12 Stations

Daily Data | America/Los_Angeles
as of 12/22/25 11:59 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 12/21/25 55.4   0.0 0056 53.5   1.6 1748 - - - - - - - 5.89 20.39 - - -
Pope Valley (Weeks Lake) 12/21/25 59.5   0.3 1107 56.0   3.3 2100 55.3   0.0 99   1 86   0 4.9 22.8   12.5 0710 SW | 223 2.01 8.27 0.019   0.003 46   5 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 12/21/25 60.0   0.6 1119 56.8   0.8 1910 57.3   0.2 98   2 91   2 11.4 36.2   15.5 1024 SW | 218 1.67 7.19 0.017   0.003 52   6 -
Dollarhide 1AS Remote 12/21/25 59.8   0.6 0141 56.9   3.1 1730 56.5   0.9 95   0 90   3 8.6 26.9   5.4 0701 S | 181 - - - - -
Dollarhide 17B Remote 12/21/25 60.3   0.1 1123 56.8   2.2 2232 - 99   1 94   2 - - - - - - - - -
Dollarhide 18A Remote 12/21/25 59.6   1.0 0241 56.5   2.4 1856 56.5   0.2 97   3 90   3 - - - - - - - - -
Angwin 12/21/25 53.8   0.5 0133 51.3   0.2 1822 52.4   0.3 100   0 100   0 11.0 31.5   10.1 0326 S | 171 4.06 17.60 0.000   0.000 0   0 0   0
Lower Angwin (Pioneer) 12/21/25 55.4   0.5 0138 52.8   0.1 1857 - - - 7.1 27.1   12.4 0638 SSW | 210 - - - - -
Deer Park 12/21/25 59.0   1.5 1216 55.8   0.5 2214 56.2   0.1 100   0 88   12 6.7 28.0   11.9 1233 SSE | 168 2.21 9.89 0.011   0.005 22   2 -
Lower Chiles Valley (Brown) 12/21/25 59.2   1.0 0333 56.1   2.2 1616 54.9   0.4 95   5 88   3 5.2 23.6   9.9 1544 SE | 126 1.18 2.69 0.014   0.001 20   17 0   0
Moss Creek Vineyard/Reservior 12/21/25 58.5   1.7 0012 56.0   1.9 1739 55.9   0.1 100   0 91   4 - - - - 1.64 8.43 - - -
Max   60.3 - 56.9 - 57.3 100 100 11.4 36.2 - - 5.89 20.39 0.019 52 -
Avg   - - - - 55.6 - - 7.9 - - - - - - - -
Min   53.8 - 51.3 - 52.4 95 86 4.9 22.8 - - 1.18 2.69 0.000 0 -

Northern & Central Napa County

27 Stations

Daily Data | America/Los_Angeles
as of 12/22/25 11:59 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 12/21/25 60.3   0.8 1104 56.9   0.7 1918 58.1   0.7 100   0 94   6 - - - - 2.50 11.63 - - -
Fotsch (Maple Lane) 12/21/25 61.4   2.0 1110 56.9   0.5 2254 56.9   0.2 97   0 81   12 3.0 20.8   12.3 1107 SSW | 204 2.99 10.96 - - -
Diamond Mtn (Schramsberg) 12/21/25 58.2   1.5 1057 54.9   1.5 1910 56.3   1.0 100   0 94   6 - - - - 3.31 11.60 - - -
Diamond Mtn (McEachran) 12/21/25 59.4   1.4 1114 56.0   1.0 1924 56.9   0.5 100   0 90   8 - - - - - - - - -
St. Helena-North 12/21/25 60.9   1.6 1139 56.7   0.5 2221 56.2   0.2 95   0 81   12 3.4 22.8   12.5 1108 SSE | 166 2.12 9.55 0.016   0.005 32   3 -
St. Helena (NVV Office) 12/21/25 62.3   3.1 1116 57.3   0.6 2314 - - - 2.1 13.8   7.2 0643 S | 172 2.21 9.44 - - -
Tiara Fria (East St. Helena) 12/21/25 62.0   2.3 1136 57.4   0.5 1830 57.4   0.1 97   0 83   10 4.4 20.0   8.7 1523 S | 182 1.90 8.70 - - -
Rutherford Hill Estate 12/21/25 59.5   0.9 1055 56.0   0.1 1820 57.4   0.2 100   0 100   0 3.6 23.2   7.0 1743 SSE | 147 0.01 4.06 0.010   0.002 38   8 0   0
Rutherford-North (Mee Ln) 12/21/25 61.0   11.9 1214 45.3   2.7 0031 52.0   7.4 98   0 81   13 6.2 26.3   11.2 0647 W | 261 1.46 7.54 0.021   0.013 49   17 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) 12/21/25 61.1   0.6 1219 57.1   0.7 2243 56.9   0.2 96   0 87   2 5.8 22.9   9.9 1613 SSW | 210 1.03 7.55 0.021   0.005 58   6 0   0
OV561-East 12/21/25 61.3   0.4 1132 57.6   0.5 2243 - - - - - - - - - - - -
Oakville 12/21/25 61.4   1.1 1219 57.4   0.8 2244 57.0   0.1 98   0 84   4 6.8 21.9   7.2 1537 SSE | 147 1.09 7.42 0.025   0.010 69   17 -
OV518-West 12/21/25 61.6   0.9 1208 57.7   0.8 2247 - - - - - - - - - - - -
To Kalon Remote (TKKE) 12/21/25 62.7   1.8 1144 57.7   1.3 2139 - - - - - - - - - - - -
To Kalon 12/21/25 61.9   1.8 0301 58.0   2.1 1832 57.3   0.3 97   3 84   10 6.9 22.4   6.8 1918 SSE | 167 1.31 8.23 0.023   0.012 44   5 -
To Kalon Remote (TKN5) 12/21/25 62.8   1.8 0252 58.4   1.6 2208 - - - - - - - - - - - -
Yountville (Ranch 67) 12/21/25 60.2   0.4 1244 56.8   0.7 2009 56.5   0.1 97   1 86   6 8.8 23.8   7.7 1612 SSW | 199 0.49 5.83 0.024   0.006 98   15 -
Stags Leap Dist (Silverado Vineyards) 12/21/25 60.1   0.7 1239 56.8   0.7 2205 56.0   0.0 96   1 85   6 8.2 23.2   10.4 1333 SSE | 165 1.69 8.54 0.024   0.009 59   15 -
Borreo (Soda Canyon) 12/21/25 57.6   0.0 0114 55.2   0.2 2148 56.1   0.2 100   0 98   0 4.7 15.8   9.1 1041 S | 171 1.51 9.63 0.005   0.006 19   20 -
Wappo Hill Floor 12/21/25 59.5   2.9 1413 55.4   1.5 0001 56.7   1.6 100   0 90   10 6.8 20.8   12.5 1642 SSW | 202 1.39 8.06 0.011   0.001 45   9 -
Stags Leap Dist (Chimney Rock) 12/21/25 59.8   0.4 1224 57.0   0.3 1854 - - - 6.3 28.7   18.4 1600 SSW | 204 0.97 7.90 0.107   0.039 32   0 0   0
Yountville-South (Ranch 87) 12/21/25 60.7   1.3 1242 57.4   0.7 1858 58.3   0.5 100   0 89   11 6.1 19.3   11.0 1239 SW | 218 1.42 8.11 0.014   0.004 50   11 -
Yountville-SE (Ranch 85) 12/21/25 60.1   0.7 1221 57.4   0.8 1852 58.2   0.2 100   0 90   10 4.6 19.4   12.4 1617 SSW | 196 1.26 7.97 - 0   0 0   0
Oak Knoll-East (Ranch 53) 12/21/25 60.1   0.9 1219 57.2   0.7 1855 57.2   0.2 98   0 88   9 6.2 19.4   10.5 0935 S | 172 1.19 8.58 0.015   0.005 38   6 -
Napa-NW (Ranch 54) 12/21/25 60.6   1.5 1224 57.1   1.1 2209 58.2   0.5 100   0 88   12 6.0 19.1   10.8 2005 SSE | 158 1.35 9.13 - 0   0 0   0
Napa-North (Ranch 29) 12/21/25 60.3   0.7 1320 56.9   0.7 1722 58.2   0.4 100   0 92   8 5.8 18.3   9.5 1231 S | 188 0.71 7.97 0.005   0.002 21   4 -
Max   62.8 - 58.4 - 58.3 100 100 8.8 28.7 - - 3.31 11.63 0.107 98 -
Avg   - - - - 56.9 - - 5.6 - - - - - - - -
Min   57.6 - 45.3 - 52.0 95 81 2.1 13.8 - - 0.01 4.06 0.005 0 -

Southern Napa County

22 Stations

Daily Data
as of 12/22/25 11:59 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 12/21/25 55.6   0.9 0229 51.0   1.1 1757 52.8   1.6 100   0 100   0 6.7 22.6   6.9 1351 SSE | 154 2.70 12.60 0.003   0.009 11   37 0   0
Mount George (Napa East) 12/21/25 63.8   0.5 1339 60.4   1.0 1710 60.3   0.9 99   1 83   14 3.8 17.8   9.7 1203 SSW | 198 0.01 3.00 0.012   0.000 28   13 -
Napa-East (Palmaz 300') 12/21/25 61.0   0.5 1340 57.4   0.4 1719 57.2   1.0 100   0 81   10 4.2 18.6   8.0 0808 SSE | 148 0.74 7.67 0.012   0.002 21   10 -
Napa-East (Palmaz 1200') 12/21/25 57.2   0.2 0001 54.3   0.2 1653 37.2   0.2 50   0 50   0 4.8 24.7   11.4 0908 SW | 228 - - 0.053   0.024 15   17 -
Napa-East (Palmaz 1400') 12/21/25 56.4   0.4 0001 53.6   0.2 1653 54.8   0.4 100   0 100   0 8.4 30.9   15.5 2105 SSE | 168 1.24 10.90 0.006   0.006 33   19 -
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) 12/21/25 53.8   1.8 0037 50.6   1.1 2154 - - - 11.2 25.1   14.1 0953 S | 189 0.72 7.99 0.163   0.104 29   9 0   0
Napa-West Lower (Truchard) 12/21/25 55.8   1.4 0038 53.5   0.2 2141 54.2   1.6 100   0 92   8 - - - - - - - - 0   0
Napa-South (Toyon Farms) 12/21/25 60.0   1.0 1230 56.9   2.5 1829 58.1   0.7 100   0 96   4 10.0 19.7   8.7 2041 SSE | 161 0.48 3.53 0.002   0.002 22   0 0   0
Toyon Remote 1 12/21/25 60.8   1.2 1225 57.2   2.7 1844 - - - - - - - - - - - -
Toyon Remote 2 12/21/25 60.8   1.0 1226 57.4   2.7 1829 - - - - - - - - - - - -
Toyon Remote 3 12/21/25 61.3   1.8 1223 57.3   2.9 1842 - - - - - - - - - - - -
Dealy Lane (Ranch 80) 12/21/25 60.5   1.7 1226 56.8   2.5 2149 56.8   0.6 97   0 88   9 4.2 16.5   8.6 1006 SSE | 168 0.63 7.55 0.012   0.002 38   0 -
Carneros (Saintsbury) 12/21/25 58.2   5.0 1417 52.2   3.7 0519 53.5   2.2 100   0 91   9 9.2 22.2   11.8 1057 SSW | 200 0.00 1.64 - - 0   0
Suscol Lower (Ranch 35) 12/21/25 61.4   2.2 1248 57.3   2.3 1709 26.1   8.1 - - 8.6 21.0   8.0 1837 SSE | 154 0.55 7.16 0.046   0.011 40   5 -
Suscol Mtn (Ranch 93) 12/21/25 58.2   1.4 1331 53.1   1.3 1612 -3.0   58.6 100   0 0   99 9.8 25.6   5.9 0628 WSW | 246 0.69 7.98 - - -
Suscol Upper (Ranch 92) 12/21/25 58.2   0.4 1338 55.3   0.1 1706 55.1   1.6 100   0 3   97 7.2 28.5   13.4 1019 S | 179 0.66 7.56 - - 0   0
Stanly (Ranch 45) 12/21/25 55.8   3.1 1433 49.6   1.0 0727 50.8   0.3 100   0 86   12 10.7 20.9   8.1 1128 SSW | 205 0.55 8.15 0.013   0.001 51   2 0   0
Carneros Upper (Ranch 81) 12/21/25 59.3   1.5 1220 56.1   1.9 1940 42.5   14.2 - - 15.2 30.5   15.6 1634 S | 190 - - - - -
Carneros (Mitsuko) 12/21/25 61.1   1.9 1225 57.3   2.9 2128 - - - - - - - - - - - -
Carneros Lower (Ranch 81) 12/21/25 59.5   1.6 1225 56.3   1.7 2124 -59.9   0.6 0   0 0   0 4.8 17.9   10.2 1532 S | 185 0.60 6.35 0.112   0.081 28   5 -
Carneros (Milton Rd) 12/21/25 61.4   2.0 1251 57.6   3.2 1840 56.9   0.9 96   0 85   9 - - - - 0.22 5.23 - - -
Max   63.8 - 60.4 - 60.3 100 100 15.2 30.9 - - 2.70 12.60 0.163 51 -
Avg   - - - - 40.8 - - 7.9 - - - - - - - -
Min   53.8 - 49.6 - -59.9 0 0 3.8 16.5 - - 0.00 1.64 0.002 11 -