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Northeast Napa County

12 Stations

Daily Data | America/Los_Angeles
as of 2/1/26 3:16 PM 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 1/31/26 65.7   0.3 1531 37.8   0.7 0729 - - - - - - - 0.00 34.87 - - -
Pope Valley (Weeks Lake) 1/31/26 70.1   1.2 1332 30.6   0.1 0440 38.2   0.6 100   0 33   3 0.7 5.9   3.3 1543 SE | 144 0.00 17.00 0.051   0.008 220   29 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 1/31/26 68.7   2.6 1449 32.2   0.5 0555 41.9   0.4 100   0 47   3 1.9 9.3   4.2 1620 NE | 38 0.01 14.85 0.062   0.007 246   27 -
Dollarhide 1AS Remote 1/31/26 69.7   2.7 1442 30.2   1.2 0516 38.6   0.2 96   0 44   1 0.7 6.6   3.1 1637 N | 0 - - - - -
Dollarhide 17B Remote 1/31/26 69.8   1.7 1447 31.4   0.0 0727 40.6   0.0 100   0 44   1 - - - - - - - - -
Dollarhide 18A Remote 1/31/26 68.3   2.3 1403 29.5   1.3 0525 38.3   0.0 100   0 42   0 - - - - - - - - -
Angwin 1/31/26 60.2   2.0 1443 49.9   1.1 0618 32.5   3.7 65   5 33   0 6.1 14.4   1.2 1105 NNW | 335 0.00 32.20 0.065   0.014 0   0 0   0
Lower Angwin (Pioneer) 1/31/26 63.0   1.1 1443 36.4   0.7 2339 - - - 3.2 11.2   0.4 1205 NE | 42 - - - - -
Deer Park 1/31/26 70.9   0.2 1440 49.6   4.3 2326 38.7   2.7 81   6 30   1 2.8 13.6   0.2 1245 NNE | 14 0.00 18.58 0.069   0.006 178   12 -
Lower Chiles Valley (Brown) 1/31/26 66.4   0.0 1449 35.0   1.5 0011 39.5   0.1 100   0 37   2 1.8 9.6   1.9 1218 ESE | 111 0.00 14.48 0.064   0.005 221   42 0   0
Moss Creek Vineyard/Reservior 1/31/26 63.6   0.2 1439 34.4   1.0 0702 40.3   0.3 100   0 44   1 - - - - 0.00 19.07 - - -
Max   70.9 - 49.9 - 41.9 100 47 6.1 14.4 - - 0.01 34.87 0.069 246 -
Avg   - - - - 38.7 - - 2.4 - - - - - - - -
Min   60.2 - 29.5 - 32.5 65 30 0.7 5.9 - - 0.00 14.48 0.051 0 -

Northern & Central Napa County

27 Stations

Daily Data | America/Los_Angeles
as of 2/1/26 3:16 PM 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 1/31/26 72.5   1.2 1344 34.2   1.5 0715 42.3   0.3 100   0 34   4 - - - - 0.00 22.79 - - -
Fotsch (Maple Lane) 1/31/26 71.6   0.1 1456 31.9   2.0 0559 39.9   0.5 98   0 30   0 2.0 15.7   4.8 2131 WSW | 253 0.00 20.71 - - -
Diamond Mtn (Schramsberg) 1/31/26 65.2   0.4 1325 48.6   1.2 0423 37.5   4.0 80   2 30   7 - - - - 0.00 20.87 - - -
Diamond Mtn (McEachran) 1/31/26 67.9   0.5 1418 44.1   0.4 0829 41.3   1.6 85   8 34   0 - - - - - - - - -
St. Helena-North 1/31/26 69.9   1.7 1257 35.6   0.1 0717 40.8   0.6 100   0 28   2 1.9 8.6   1.3 1310 SSE | 149 0.00 20.85 0.049   0.008 128   68 -
St. Helena (NVV Office) 1/31/26 71.0   0.4 1453 35.8   1.4 0552 - - - 0.9 6.7   1.4 1349 SE | 131 0.00 18.28 - - -
Tiara Fria (East St. Helena) 1/31/26 70.8   0.0 1452 35.7   0.1 0620 41.2   0.4 97   0 31   5 1.4 8.7   0.7 1318 ESE | 122 0.00 16.83 - - -
Rutherford Hill Estate 1/31/26 72.4   1.7 1358 47.4   2.7 0444 41.1   2.4 80   13 33   1 1.3 9.9   1.1 1553 E | 91 0.00 17.09 0.058   0.004 204   27 0   0
Rutherford-North (Mee Ln) 1/31/26 71.2   0.7 1401 33.4   0.3 0604 40.2   0.1 99   1 33   3 2.0 9.0   1.3 1430 ESE | 110 0.00 15.43 0.052   0.003 170   32 0   0
Rutherford (STS) 1/31/26 71.2   1.3 1435 36.6   0.0 0409 42.9   0.4 92   0 41   0 2.0 9.0   1.8 1401 NE | 35 0.00 16.15 0.062   0.004 238   35 -
Oakville-NE (Ranch 88) 1/31/26 70.0   0.5 1318 33.3   0.0 0454 40.3   0.2 96   1 34   3 0.8 8.4   2.0 1117 NNE | 18 0.00 16.13 0.058   0.003 224   41 0   0
OV561-East 1/31/26 70.8   1.6 1441 34.8   0.4 0600 - - - - - - - - - - - -
Oakville 1/31/26 69.9   0.2 1319 34.2   0.1 0555 41.8   0.3 98   0 36   1 1.5 8.0   0.6 1220 NW | 317 0.00 16.67 0.058   0.006 225   40 -
OV518-West 1/31/26 68.3   0.1 1406 36.2   0.4 0532 - - - - - - - - - - - -
To Kalon Remote (TKKE) 1/31/26 70.4   1.7 1405 34.6   0.2 0418 - - - - - - - - - - - -
To Kalon 1/31/26 70.2   0.4 1610 35.4   0.8 0456 42.1   0.7 100   0 36   1 2.2 9.1   2.4 1119 NW | 306 0.00 17.83 0.060   0.001 204   39 -
To Kalon Remote (TKN5) 1/31/26 69.8   0.5 1417 34.0   0.9 0503 - - - - - - - - - - - -
Yountville (Ranch 67) 1/31/26 68.6   1.1 1325 33.8   1.9 0526 41.4   0.1 98   0 38   2 1.3 6.9   0.3 0825 S | 182 0.00 15.30 0.056   0.009 279   47 -
Stags Leap Dist (Silverado Vineyards) 1/31/26 68.2   1.0 1314 34.7   2.0 0433 41.4   0.4 99   1 38   5 0.8 6.5   0.7 1338 SE | 144 0.00 18.56 0.057   0.004 238   23 -
Borreo (Soda Canyon) 1/31/26 67.4   1.2 1507 38.0   0.1 0530 40.6   1.4 93   5 34   8 1.6 12.1   5.1 2208 WNW | 290 0.00 18.92 0.059   0.005 245   28 -
Wappo Hill Floor 1/31/26 70.1   3.7 1508 31.9   3.0 0515 42.0   0.4 100   0 40   4 1.0 7.4   0.6 2202 WNW | 295 0.00 18.31 0.055   0.007 229   33 -
Stags Leap Dist (Chimney Rock) 1/31/26 70.6   1.0 1322 32.8   3.3 0547 - - - 1.2 7.0   0.4 2211 NNE | 18 0.00 16.36 0.051   0.006 202   28 0   0
Yountville-South (Ranch 87) 1/31/26 69.0   1.5 1550 33.9   2.7 0453 42.6   0.3 100   0 45   6 0.8 6.0   0.3 1407 SW | 236 0.00 18.37 0.052   0.007 211   36 -
Yountville-SE (Ranch 85) 1/31/26 69.4   2.3 1512 34.5   1.3 0547 42.4   0.4 100   0 41   1 0.9 6.0   0.8 2204 N | 354 0.00 17.30 - 0   0 0   0
Oak Knoll-East (Ranch 53) 1/31/26 70.1   2.1 1549 34.3   1.8 0614 41.6   0.0 97   1 39   2 0.8 6.4   0.7 2348 N | 351 0.00 16.19 0.051   0.008 214   28 -
Napa-NW (Ranch 54) 1/31/26 68.4   2.3 1540 35.8   1.2 0627 42.5   0.9 100   0 43   2 0.8 5.8   0.7 1258 S | 183 0.00 17.35 - 0   0 0   0
Napa-North (Ranch 29) 1/31/26 69.5   0.9 1548 35.0   0.6 0636 42.4   0.7 100   0 41   1 0.5 4.7   3.3 1318 SW | 220 0.00 15.88 0.036   0.006 129   27 -
Max   72.5 - 48.6 - 42.9 100 45 2.2 15.7 - - 0.00 22.79 0.062 279 -
Avg   - - - - 41.4 - - 1.3 - - - - - - - -
Min   65.2 - 31.9 - 37.5 80 28 0.5 4.7 - - 0.00 15.30 0.036 0 -

Southern Napa County

22 Stations

Daily Data
as of 2/1/26 3:16 PM 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 1/31/26 65.3   2.0 1013 50.8   0.0 0554 36.5   2.9 62   9 31   3 1.5 7.2   1.7 0733 W | 281 0.00 23.09 0.090   0.003 431   18 0   0
Mount George (Napa East) 1/31/26 72.0   4.0 1501 39.1   0.9 0624 45.3   1.0 100   0 46   11 0.7 5.5   7.8 0833 WNW | 299 0.00 7.26 0.060   0.009 250   22 -
Napa-East (Palmaz 300') 1/31/26 69.4   1.5 1421 39.7   1.2 0629 42.8   0.0 100   0 41   11 1.2 12.5   2.9 0818 NE | 42 0.00 14.12 0.054   0.010 217   16 -
Napa-East (Palmaz 1200') 1/31/26 65.8   1.6 1422 43.6   3.4 2323 38.3   2.0 88   12 31   7 3.5 13.4   0.1 1027 ENE | 71 - - 0.076   0.005 236   15 -
Napa-East (Palmaz 1400') 1/31/26 64.0   1.0 1427 43.8   4.6 2344 39.0   1.9 89   11 34   11 4.8 12.8   0.6 1209 NNE | 19 0.00 19.62 0.081   0.008 245   14 -
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) 1/31/26 69.7   1.2 1455 42.0   0.8 0736 - - - 1.3 10.8   3.6 2239 NNW | 342 0.00 15.67 0.056   0.005 233   32 0   0
Napa-West Lower (Truchard) 1/31/26 71.4   0.0 1501 32.4   1.1 0700 41.3   0.2 100   0 41   1 - - - - - - - - 0   0
Napa-South (Toyon Farms) 1/31/26 68.0   2.6 1539 39.2   1.8 0556 46.2   1.2 100   0 53   8 0.8 5.4   1.5 1223 SSW | 209 0.00 9.91 0.031   0.004 122   16 0   0
Toyon Remote 1 1/31/26 68.3   0.4 1413 35.2   1.8 0646 - - - - - - - - - - - -
Toyon Remote 2 1/31/26 68.2   0.3 1541 34.3   1.6 0639 - - - - - - - - - - - -
Toyon Remote 3 1/31/26 68.8   1.7 1428 34.2   1.7 0640 - - - - - - - - - - - -
Dealy Lane (Ranch 80) 1/31/26 67.9   0.1 1431 37.6   0.1 0637 43.7   1.1 96   1 46   3 2.0 7.2   1.1 2241 NNE | 21 0.00 14.92 0.056   0.008 242   32 -
Carneros (Saintsbury) 1/31/26 69.8   3.2 1418 35.6   1.2 0610 43.2   0.9 100   0 43   6 1.8 8.8   0.3 2102 WSW | 258 0.00 1.77 - - 0   0
Suscol Lower (Ranch 35) 1/31/26 68.2   0.5 1453 37.4   0.2 0611 41.9   1.1 - - 2.1 6.4   7.6 2308 E | 95 0.00 14.30 0.059   0.010 238   21 -
Suscol Mtn (Ranch 93) 1/31/26 66.4   1.7 1352 49.6   0.8 2135 38.6   3.2 77   3 37   0 4.5 22.1   8.8 1705 ESE | 105 0.00 9.84 - - -
Suscol Upper (Ranch 92) 1/31/26 69.4   2.4 1405 49.6   3.7 2136 40.0   2.8 81   4 37   2 1.1 13.5   8.4 1708 NNE | 19 0.00 13.75 - - 0   0
Stanly (Ranch 45) 1/31/26 69.6   2.1 1407 35.7   1.7 0653 42.1   1.6 99   0 41   6 2.6 7.5   7.4 1515 ESE | 119 0.00 15.43 0.067   0.011 268   33 0   0
Carneros Upper (Ranch 81) 1/31/26 68.8   1.4 1449 45.1   3.6 0710 44.2   0.8 - - 3.2 13.2   0.6 2217 WNW | 298 - - - - -
Carneros (Mitsuko) 1/31/26 69.0   2.9 1445 33.5   0.7 0612 - - - - - - - - - - - -
Carneros Lower (Ranch 81) 1/31/26 66.9   1.4 1430 36.7   2.7 0554 17.8   16.2 100   0 0   0 1.2 9.4   0.2 2300 ENE | 64 0.00 12.89 0.046   0.002 174   5 -
Carneros (Milton Rd) 1/31/26 67.3   2.0 1401 34.8   3.4 0549 42.5   1.6 96   1 46   6 - - - - 0.00 5.74 - - -
Max   72.0 - 50.8 - 46.2 100 53 4.8 22.1 - - 0.00 23.09 0.090 431 -
Avg   - - - - 40.2 - - 2.1 - - - - - - - -
Min   64.0 - 32.4 - 17.8 62 0 0.7 5.4 - - 0.00 1.77 0.031 122 -