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Northeast Napa County

12 Stations

Daily Data | America/Los_Angeles
as of 3/1/26 10:15 AM PST
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 2/28/26 71.1   5.2 1559 51.1   3.3 0323 - - - - - - - 0.00 42.33 - - -
Pope Valley (Weeks Lake) 2/28/26 76.8   5.3 1313 48.2   3.0 0647 54.0   1.9 100   0 42   8 1.1 8.8   1.8 1310 WSW | 242 0.00 21.60 0.079   0.019 267   76 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 2/28/26 79.8   0.3 1200 51.4   4.3 0656 57.7   2.7 100   0 49   4 2.3 12.1   2.3 2347 S | 182 0.00 19.16 0.090   0.019 296   71 -
Dollarhide 1AS Remote 2/28/26 78.5   3.1 1209 48.3   3.9 0644 55.3   2.6 95   0 49   8 1.2 10.4   2.7 1343 W | 266 - - - - -
Dollarhide 17B Remote 2/28/26 78.6   1.8 1157 50.2   4.6 0643 57.1   2.6 100   0 50   6 - - - - - - - - -
Dollarhide 18A Remote 2/28/26 77.7   4.1 1309 46.8   3.4 0645 55.2   2.6 100   0 50   9 - - - - - - - - -
Angwin 2/28/26 69.4   2.3 1210 54.4   0.6 2325 50.2   1.0 87   15 49   10 3.3 10.9   0.6 2310 SSE | 168 0.00 38.60 0.029   0.009 0   0 0   0
Lower Angwin (Pioneer) 2/28/26 71.9   2.5 1207 47.0   5.4 2253 - - - 2.1 11.7   0.8 1326 WSW | 239 - - - - -
Deer Park 2/28/26 76.2   4.9 1152 55.9   2.1 2359 55.5   2.1 94   3 44   13 2.8 14.5   3.3 1305 NW | 324 0.00 23.60 0.080   0.012 218   40 -
Lower Chiles Valley (Brown) 2/28/26 76.4   3.5 1341 49.0   3.7 0644 54.5   2.9 100   0 46   8 1.9 11.0   1.5 1242 NW | 320 0.00 20.67 0.089   0.023 274   94 0   0
Moss Creek Vineyard/Reservior 2/28/26 79.7   4.7 1345 50.9   3.8 0703 55.6   3.8 100   0 42   6 - - - - 0.00 23.37 - - -
Max   79.8 - 55.9 - 57.7 100 50 3.3 14.5 - - 0.00 42.33 0.090 296 -
Avg   - - - - 55.0 - - 2.1 - - - - - - - -
Min   69.4 - 46.8 - 50.2 87 42 1.1 8.8 - - 0.00 19.16 0.029 0 -

Northern & Central Napa County

27 Stations

Daily Data | America/Los_Angeles
as of 3/1/26 10:15 AM PST
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 2/28/26 76.7   6.8 1045 53.4   4.3 0646 57.6   1.9 100   0 49   9 - - - - 0.00 27.89 - - 60   60
Fotsch (Maple Lane) 2/28/26 77.2   5.3 1114 52.7   3.8 0652 55.9   2.2 97   0 41   7 2.5 15.6   1.8 1313 WNW | 298 0.00 25.78 - - -
Diamond Mtn (Schramsberg) 2/28/26 74.5   4.7 1344 56.5   1.3 2341 54.8   1.8 90   3 46   10 - - - - 0.00 26.40 - - -
Diamond Mtn (McEachran) 2/28/26 75.8   5.6 1125 56.4   4.1 2314 55.6   1.3 91   6 44   10 - - - - - - - - -
St. Helena-North 2/28/26 78.1   5.7 1141 53.2   3.5 0637 55.6   2.5 100   0 41   11 1.9 10.1   2.6 1301 NW | 307 0.00 26.65 0.079   0.011 242   44 0   0
St. Helena (NVV Office) 2/28/26 77.7   5.7 1208 55.0   4.6 0701 - - - 1.2 11.2   3.8 1250 NNW | 328 0.00 23.51 - - -
Tiara Fria (East St. Helena) 2/28/26 76.0   6.1 1249 53.9   4.2 0701 57.2   2.8 97   0 48   15 1.9 11.5   3.3 1256 NW | 310 0.00 21.80 - - -
Rutherford Hill Estate 2/28/26 78.8   3.8 1340 56.5   2.8 2337 57.3   2.1 91   2 47   13 1.2 8.3   0.9 1348 WSW | 241 0.00 21.34 0.075   0.022 250   64 0   0
Rutherford-North (Mee Ln) 2/28/26 77.6   5.7 1310 48.3   3.1 0643 55.6   2.9 100   0 52   20 1.9 9.9   2.2 1321 NNW | 327 0.00 20.47 0.079   0.020 254   68 0   0
Rutherford (STS) 2/28/26 79.3   5.5 1311 52.6   4.3 0631 57.4   3.1 91   1 54   18 2.0 8.3   1.0 1454 NW | 314 0.00 21.64 0.091   0.024 304   84 -
Oakville-NE (Ranch 88) 2/28/26 78.6   3.6 1337 52.2   4.0 0635 56.4   2.6 99   2 47   15 1.2 8.2   0.1 1811 S | 188 0.00 21.18 0.085   0.020 285   76 0   0
OV561-East 2/28/26 78.9   4.6 1337 51.9   3.2 0650 - - - - - - - - - - - -
Oakville 2/28/26 78.2   3.5 1311 52.1   3.3 0648 56.7   2.3 98   0 49   16 2.5 12.8   3.6 1957 SSE | 159 0.00 21.73 0.091   0.018 296   78 -
OV518-West 2/28/26 77.6   2.6 1338 52.8   3.4 0640 - - - - - - - - - - - -
To Kalon Remote (TKKE) 2/28/26 80.3   2.4 1340 52.4   3.9 0638 - - - - - - - - - - - -
To Kalon 2/28/26 78.4   4.7 1316 52.2   3.2 0646 57.5   2.5 100   0 50   18 2.3 10.4   2.3 2001 SE | 144 0.00 23.60 0.085   0.018 267   84 -
To Kalon Remote (TKN5) 2/28/26 79.0   4.4 1336 51.7   2.9 0647 - - - - - - - - - - - -
Yountville (Ranch 67) 2/28/26 77.4   3.8 1507 53.1   3.8 0620 56.1   1.8 98   0 47   13 2.0 12.1   3.6 1928 ESE | 122 0.00 19.96 0.091   0.019 310   73 -
Stags Leap Dist (Silverado Vineyards) 2/28/26 77.6   3.4 1341 52.9   2.9 0647 55.7   1.8 96   1 46   11 1.8 12.7   2.9 1938 SE | 134 0.00 23.90 0.095   0.023 314   89 -
Borreo (Soda Canyon) 2/28/26 75.0   3.7 1351 52.1   2.3 2357 54.9   1.0 96   2 46   6 1.4 6.7   1.5 1207 SSE | 164 0.00 23.82 0.088   0.023 309   82 -
Wappo Hill Floor 2/28/26 80.2   3.3 1351 52.0   4.9 0636 57.0   1.8 100   0 45   7 1.8 9.4   2.2 1928 SE | 124 0.00 23.27 0.087   0.021 282   88 -
Stags Leap Dist (Chimney Rock) 2/28/26 77.5   2.7 1347 53.8   4.7 0529 57.8   1.7 100   0 50   6 2.1 11.0   2.8 1920 SE | 142 0.00 22.50 0.081   0.017 258   76 -
Yountville-South (Ranch 87) 2/28/26 78.2   4.3 1342 53.5   3.6 2340 57.6   1.6 100   0 49   11 1.8 7.4   2.2 1219 S | 182 0.00 23.64 0.079   0.019 249   78 -
Yountville-SE (Ranch 85) 2/28/26 78.8   3.5 1342 53.3   4.0 0604 57.1   1.3 100   0 47   8 1.9 10.0   3.6 1934 SSE | 164 0.00 22.18 - 0   0 0   0
Oak Knoll-East (Ranch 53) 2/28/26 80.5   1.4 1349 53.7   3.9 0657 56.3   1.2 97   0 40   5 1.7 8.3   0.1 1939 SE | 139 0.00 20.44 0.087   0.015 273   70 -
Napa-NW (Ranch 54) 2/28/26 78.4   1.6 1351 53.7   3.4 2358 57.1   1.4 100   0 43   2 1.6 9.6   0.8 1148 SSE | 164 0.00 22.66 - 0   0 0   0
Napa-North (Ranch 29) 2/28/26 78.8   1.0 1355 53.7   3.6 0712 56.7   0.9 100   0 45   3 1.3 9.3   0.5 1904 SSW | 204 0.00 20.32 0.062   0.011 164   52 -
Max   80.5 - 56.5 - 57.8 100 54 2.5 15.6 - - 0.00 27.89 0.095 314 -
Avg   - - - - 56.5 - - 1.8 - - - - - - - -
Min   74.5 - 48.3 - 54.8 90 40 1.2 6.7 - - 0.00 19.96 0.062 0 -

Southern Napa County

22 Stations

Daily Data
as of 3/1/26 10:15 AM PST
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 2/28/26 73.2   2.1 1312 55.7   2.4 0001 52.4   1.3 81   4 50   12 1.3 7.3   0.2 1027 SSW | 197 0.00 29.22 0.077   0.016 258   32 0   0
Mount George (Napa East) 2/28/26 78.8   12.8 1055 51.9   2.1 0657 55.9   0.4 98   2 49   4 1.2 8.9   1.0 0755 S | 169 0.00 11.88 0.091   0.018 313   70 -
Napa-East (Palmaz 300') 2/28/26 78.3   1.5 1219 54.6   3.4 0649 56.5   1.2 100   0 47   4 1.4 7.2   2.6 1409 ESE | 114 0.00 18.31 0.084   0.018 275   67 -
Napa-East (Palmaz 1200') 2/28/26 73.4   0.8 1222 51.9   1.2 2313 54.0   0.9 100   0 4   40 2.2 14.8   4.1 0933 ENE | 65 - - 0.088   0.017 297   71 -
Napa-East (Palmaz 1400') 2/28/26 74.6   0.4 1226 53.8   3.2 2358 55.1   1.6 100   1 54   8 2.6 12.6   0.2 0904 ENE | 77 0.00 24.79 0.091   0.019 315   63 -
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) 2/28/26 79.6   1.1 1349 54.3   1.2 2304 57.7   7.8 100   0 0   0 2.6 12.2   1.5 0209 NNE | 19 0.00 20.15 0.095   0.014 306   66 0   0
Napa-West Lower (Truchard) 2/28/26 80.2   0.2 1353 49.5   1.8 2251 56.0   1.2 100   0 46   2 - - - - - - - - 0   0
Napa-South (Toyon Farms) 2/28/26 78.1   0.1 1356 55.2   2.2 0658 59.1   0.9 100   0 55   1 1.4 11.5   3.7 2307 W | 276 0.00 13.94 0.046   0.009 138   39 0   0
Toyon Remote 1 2/28/26 78.8   0.9 1311 50.7   1.1 2247 - - - - - - - - - - - -
Toyon Remote 2 2/28/26 78.1   0.7 1343 52.5   1.6 2248 - - - - - - - - - - - -
Toyon Remote 3 2/28/26 79.6   0.7 1353 50.8   1.6 2258 - - - - - - - - - - - -
Dealy Lane (Ranch 80) 2/28/26 77.6   0.0 1403 53.4   2.1 2238 56.6   0.5 96   1 47   1 1.8 14.7   6.4 2304 W | 267 0.00 19.35 0.094   0.012 315   57 -
Carneros (Saintsbury) 2/28/26 77.4   0.2 1349 52.0   1.9 0657 56.4   0.9 100   0 50   1 2.7 19.3   11.1 2305 WSW | 255 0.00 5.62 - - 0   0
Suscol Lower (Ranch 35) 2/28/26 77.7   0.1 1350 54.0   1.9 0702 56.2   0.9 - - 3.2 9.9   0.2 1040 ESE | 120 0.00 18.31 0.097   0.007 304   54 -
Suscol Mtn (Ranch 93) 2/28/26 74.0   1.5 1347 53.0   4.9 2353 54.8   0.4 98   16 51   4 4.4 23.5   12.5 0845 E | 97 0.00 13.80 - - -
Suscol Upper (Ranch 92) 2/28/26 76.7   2.2 1211 53.6   3.5 2359 54.5   0.5 100   14 3   44 1.6 13.4   4.2 2320 WSW | 247 0.00 18.16 - - 0   0
Stanly (Ranch 45) 2/28/26 78.1   0.3 1350 52.4   3.2 0645 56.1   1.3 99   1 47   1 3.6 13.6   3.1 1955 SW | 214 0.00 19.65 0.105   0.012 340   67 0   0
Carneros Upper (Ranch 81) 2/28/26 76.1   0.7 1501 55.1   0.0 2358 56.2   1.2 - - 5.8 24.3   16.2 2301 W | 272 - - - - 0   0
Carneros (Mitsuko) 2/28/26 76.3   0.3 1345 52.4   3.5 0437 - - - - - - - - - - - -
Carneros Lower (Ranch 81) 2/28/26 81.0   0.6 1355 55.3   3.6 0716 57.1   1.7 94   6 44   44 1.1 11.0   3.9 1007 SSE | 162 0.00 16.94 0.075   0.012 257   41 0   0
Carneros (Milton Rd) 2/28/26 78.3   0.6 1346 53.0   1.4 0706 56.6   1.3 95   1 48   3 - - - - 0.00 5.75 - - -
Max   81.0 - 55.7 - 59.1 100 55 5.8 24.3 - - 0.00 29.22 0.105 340 -
Avg   - - - - 55.9 - - 2.5 - - - - - - - -
Min   73.2 - 49.5 - 52.4 81 0 1.1 7.2 - - 0.00 5.62 0.046 138 -