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Northeast Napa County

12 Stations

Daily Data | America/Los_Angeles
as of 1/8/26 5:01 PM 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 1/7/26 55.3   2.1 1200 36.3   7.5 0822 - - - - - - - 0.00 34.57 - - -
Pope Valley (Weeks Lake) 1/7/26 64.2   1.5 1253 38.0   3.8 0707 41.7   5.2 100   0 42   8 2.6 16.0   6.1 1328 WSW | 253 0.01 16.94 0.058   0.020 232   68 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 1/7/26 63.8   1.1 1242 43.2   3.5 0829 44.2   5.3 100   0 52   12 5.6 19.4   8.7 2126 WSW | 256 0.00 14.79 0.062   0.022 244   66 -
Dollarhide 1AS Remote 1/7/26 64.7   1.7 1252 38.7   6.2 0735 43.6   4.9 96   0 51   11 2.4 15.2   7.7 2143 WNW | 283 - - - - -
Dollarhide 17B Remote 1/7/26 63.6   0.4 1234 40.9   2.9 0714 44.4   5.0 100   0 52   11 - - - - - - - - -
Dollarhide 18A Remote 1/7/26 61.9   1.5 1247 38.2   7.0 0721 43.8   4.9 100   0 54   5 - - - - - - - - -
Angwin 1/7/26 51.8   1.3 1156 38.2   5.2 2328 39.4   5.4 100   0 58   18 3.4 17.7   3.7 2156 W | 280 0.00 32.02 0.012   0.010 0   0 0   0
Lower Angwin (Pioneer) 1/7/26 55.1   0.6 1144 37.7   7.4 0543 - - - 2.4 18.1   6.9 2000 NW | 324 - - - - -
Deer Park 1/7/26 59.8   2.2 1451 45.0   2.3 2339 43.1   4.5 93   3 54   2 5.9 19.3   6.9 2357 NNE | 26 0.00 18.50 0.049   0.016 164   41 -
Lower Chiles Valley (Brown) 1/7/26 58.6   1.9 1400 40.0   0.5 0006 42.1   3.4 100   0 52   10 3.4 17.5   3.3 1707 WNW | 293 0.00 14.38 0.059   0.019 227   72 0   0
Moss Creek Vineyard/Reservior 1/7/26 62.5   2.2 1257 42.2   0.2 0755 42.9   3.6 100   0 47   14 - - - - 0.00 19.00 - - -
Max   64.7 - 45.0 - 44.4 100 58 5.9 19.4 - - 0.01 34.57 0.062 244 -
Avg   - - - - 42.8 - - 3.7 - - - - - - - -
Min   51.8 - 36.3 - 39.4 93 42 2.4 15.2 - - 0.00 14.38 0.012 0 -

Northern & Central Napa County

27 Stations

Daily Data | America/Los_Angeles
as of 1/8/26 5:01 PM 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 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) 1/7/26 61.0   1.0 1320 46.8   2.9 0226 43.8   5.3 97   1 51   7 4.7 20.8   13.5 2358 WSW | 253 0.00 20.61 - - -
Diamond Mtn (Schramsberg) 1/7/26 57.7   1.3 1243 43.1   4.3 2353 43.1   4.8 99   1 62   6 - - - - 0.00 20.76 - - -
Diamond Mtn (McEachran) 1/7/26 57.7   1.0 1419 45.5   1.0 0735 43.3   6.3 98   2 59   8 - - - - - - - - -
St. Helena-North 1/7/26 64.0   2.6 1413 44.9   0.3 0650 43.5   5.6 100   0 45   10 2.4 18.6   10.8 2319 W | 280 0.00 20.73 0.047   0.015 169   40 -
St. Helena (NVV Office) 1/7/26 62.4   0.4 1307 46.0   1.8 1952 - - - 2.5 16.9   10.7 2322 NW | 313 0.00 18.18 - - -
Tiara Fria (East St. Helena) 1/7/26 62.0   0.9 1426 42.9   1.3 0740 43.8   5.1 98   0 51   4 3.3 19.1   12.8 2325 WNW | 292 0.01 16.72 - - -
Rutherford Hill Estate 1/7/26 63.4   1.5 1450 45.8   2.4 0726 44.1   4.7 96   4 49   6 2.1 14.9   6.6 1506 NW | 305 0.00 17.00 0.046   0.003 193   12 0   0
Rutherford-North (Mee Ln) 1/7/26 62.4   1.5 1344 34.9   2.1 0723 40.9   4.1 100   0 52   5 2.8 17.8   10.5 2330 NW | 304 0.00 15.31 0.051   0.014 194   35 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) 1/7/26 62.8   1.0 1329 41.3   0.0 0709 42.5   4.6 97   0 49   4 0.4 17.3   10.6 2358 N | 351 0.00 16.02 0.047   0.003 222   13 0   0
OV561-East 1/7/26 64.5   0.8 1424 43.2   0.4 2033 - - - - - - - - - - - -
Oakville 1/7/26 62.4   0.4 1329 42.1   0.2 0720 43.3   4.4 98   0 50   6 2.3 14.8   3.9 1708 WNW | 290 0.00 16.58 0.053   0.005 221   14 -
OV518-West 1/7/26 62.6   0.9 1323 42.2   0.8 0735 - - - - - - - - - - - -
To Kalon Remote (TKKE) 1/7/26 62.3   0.4 1315 40.6   0.9 0727 - - - - - - - - - - - -
To Kalon 1/7/26 62.7   1.2 1324 41.6   1.1 0745 44.5   4.2 100   0 53   4 2.8 17.1   8.6 2346 WNW | 292 0.00 17.71 0.053   0.010 215   28 -
To Kalon Remote (TKN5) 1/7/26 62.7   0.8 1501 41.9   0.8 0655 - - - - - - - - - - - -
Yountville (Ranch 67) 1/7/26 61.4   1.8 1434 43.4   2.2 0648 43.7   3.1 98   0 51   2 1.9 12.0   0.9 1352 NNW | 347 0.08 14.96 0.054   0.001 274   16 -
Stags Leap Dist (Silverado Vineyards) 1/7/26 63.0   2.1 1511 43.6   0.9 0605 43.7   3.2 97   0 49   0 1.0 9.8   3.7 1405 NNW | 330 0.00 18.44 0.053   0.007 237   33 -
Borreo (Soda Canyon) 1/7/26 60.6   2.4 1501 41.8   1.2 2010 43.3   3.3 99   0 53   2 1.7 11.0   1.5 1454 NNW | 334 0.00 18.80 0.051   0.004 240   24 -
Wappo Hill Floor 1/7/26 65.0   0.9 1339 42.9   0.4 2017 44.4   3.8 100   0 51   2 1.9 16.7   1.4 2339 N | 354 0.00 18.22 0.051   0.004 228   16 -
Stags Leap Dist (Chimney Rock) 1/7/26 65.2   1.8 1346 41.6   2.5 2018 - - - 2.0 15.3   5.3 1414 W | 277 0.00 16.22 0.049   0.009 197   17 0   0
Yountville-South (Ranch 87) 1/7/26 63.1   2.0 1324 44.3   2.0 0602 45.6   3.1 100   0 52   3 1.6 12.9   3.1 2355 NW | 320 0.00 18.26 0.053   0.008 232   32 -
Yountville-SE (Ranch 85) 1/7/26 63.5   0.2 1317 43.6   0.0 2024 45.6   3.3 100   0 54   3 1.8 15.0   4.6 2353 NNE | 14 0.00 17.18 - 0   0 0   0
Oak Knoll-East (Ranch 53) 1/7/26 62.7   2.7 1323 44.9   2.1 0545 44.8   3.0 98   0 50   3 1.8 12.8   0.7 2333 WNW | 288 0.00 16.09 0.049   0.005 202   13 -
Napa-NW (Ranch 54) 1/7/26 61.7   3.1 1437 44.8   0.8 0644 45.4   3.6 100   0 53   2 1.6 14.3   3.3 1351 NW | 324 0.00 17.24 - 0   0 0   0
Napa-North (Ranch 29) 1/7/26 65.1   0.0 1336 45.9   1.7 0612 45.7   3.5 100   0 51   4 1.7 11.2   2.8 1548 SW | 231 0.00 15.78 0.034   0.002 126   0 -
Max   65.2 - 46.8 - 45.7 100 62 4.7 20.8 - - 0.08 20.76 0.054 274 -
Avg   - - - - 44.0 - - 2.1 - - - - - - - -
Min   57.7 - 34.9 - 40.9 96 45 0.4 9.8 - - 0.00 14.96 0.034 0 -

Southern Napa County

22 Stations

Daily Data
as of 1/8/26 5:01 PM 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 1/7/26 56.1   1.1 1204 41.9   3.4 2304 42.2   4.3 95   5 61   12 1.3 11.2   2.0 2327 NW | 319 0.00 22.87 0.034   0.006 142   8 0   0
Mount George (Napa East) 1/7/26 65.2   0.6 1525 42.9   0.5 0608 46.5   2.2 99   1 56   2 1.3 10.2   6.5 1538 SSW | 202 0.00 7.16 0.050   0.007 221   38 -
Napa-East (Palmaz 300') 1/7/26 62.5   2.2 1520 43.9   1.7 2046 45.4   2.3 100   0 50   2 1.4 11.1   7.8 1438 W | 270 0.00 14.03 0.045   0.005 198   40 -
Napa-East (Palmaz 1200') 1/7/26 56.4   3.8 1415 42.1   0.0 0628 41.2   1.7 100   0 25   14 1.9 12.6   1.5 1443 NW | 318 - - 0.044   0.002 220   41 -
Napa-East (Palmaz 1400') 1/7/26 56.9   0.9 1324 42.8   0.5 2042 44.1   2.7 100   0 65   1 2.8 15.3   0.4 1416 W | 271 0.00 19.50 0.043   0.007 216   34 -
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) 1/7/26 62.1   1.9 1345 42.5   5.0 0805 - - - 3.4 16.1   4.4 1512 WSW | 245 0.00 15.55 0.055   0.004 231   20 0   0
Napa-West Lower (Truchard) 1/7/26 63.2   2.5 1339 40.2   0.5 0724 44.3   1.7 100   0 52   2 - - - - - - - - 0   0
Napa-South (Toyon Farms) 1/7/26 62.8   1.3 1307 44.9   1.3 0731 47.4   3.1 100   0 59   6 2.0 14.3   6.4 1623 WSW | 244 0.00 9.78 0.032   0.008 132   28 0   0
Toyon Remote 1 1/7/26 62.8   0.9 1428 41.5   1.3 1955 - - - - - - - - - - - -
Toyon Remote 2 1/7/26 61.6   1.5 1302 43.5   1.4 0723 - - - - - - - - - - - -
Toyon Remote 3 1/7/26 63.7   0.1 1430 42.1   0.3 1945 - - - - - - - - - - - -
Dealy Lane (Ranch 80) 1/7/26 61.4   1.6 1306 41.7   2.6 0732 45.0   3.1 97   1 54   5 2.0 13.4   3.6 1354 W | 270 0.00 14.80 0.050   0.001 235   25 -
Carneros (Saintsbury) 1/7/26 61.9   1.6 1340 40.9   2.0 0736 44.3   3.3 100   0 54   6 3.5 17.7   8.8 1516 SW | 233 0.00 1.65 - - 0   0
Suscol Lower (Ranch 35) 1/7/26 61.8   1.8 1331 42.7   1.7 0733 45.4   2.3 - - 3.9 17.8   4.0 1531 SW | 232 0.00 14.19 0.054   0.012 227   55 -
Suscol Mtn (Ranch 93) 1/7/26 58.1   3.6 1344 44.9   4.0 1947 44.5   2.4 99   7 58   2 7.2 25.2   2.0 1501 NW | 314 0.00 9.81 - - -
Suscol Upper (Ranch 92) 1/7/26 58.6   6.3 1357 45.3   3.5 2039 45.1   2.3 100   8 58   4 3.7 19.9   1.8 1457 SW | 216 0.00 13.66 - - 0   0
Stanly (Ranch 45) 1/7/26 62.4   1.8 1226 41.3   2.0 0725 44.4   2.7 100   2 56   0 4.1 19.5   6.8 1524 WSW | 249 0.00 15.30 0.058   0.004 254   20 0   0
Carneros Upper (Ranch 81) 1/7/26 59.9   4.8 1327 46.7   0.4 0724 33.6   14.2 - - 7.1 26.4   14.2 1500 W | 261 - - - - -
Carneros (Mitsuko) 1/7/26 61.1   3.9 1335 40.4   0.7 0728 - - - - - - - - - - - -
Carneros Lower (Ranch 81) 1/7/26 60.4   2.3 1346 43.3   0.2 0752 38.0   12.8 100   0 0   0 1.7 13.7   3.4 1313 WNW | 292 0.00 12.79 0.039   0.001 146   16 -
Carneros (Milton Rd) 1/7/26 61.7   1.7 1328 42.9   0.4 0743 45.2   2.6 96   0 55   5 - - - - 0.00 5.74 - - -
Max   65.2 - 46.7 - 47.4 100 65 7.2 26.4 - - 0.00 22.87 0.058 254 -
Avg   - - - - 43.5 - - 3.2 - - - - - - - -
Min   56.1 - 40.2 - 33.6 95 0 1.3 10.2 - - 0.00 1.65 0.032 132 -