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Northeast Napa County

12 Stations

Daily Data | America/Los_Angeles
as of 2/28/26 10:05 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 2/27/26 76.3   4.6 1418 47.7   4.6 0536 - - - - - - - 0.00 42.33 - - -
Pope Valley (Weeks Lake) 2/27/26 82.1   7.7 1431 45.2   2.4 0410 52.1   0.7 100   0 33   7 1.1 7.0   0.2 0753 SW | 224 0.00 21.60 0.098   0.009 342   0 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 2/27/26 80.1   5.0 1322 47.1   3.5 0724 55.0   0.4 100   0 45   3 1.9 9.8   0.7 1745 NE | 50 0.00 19.16 0.109   0.012 366   1 -
Dollarhide 1AS Remote 2/27/26 81.6   4.1 1506 44.3   2.7 0615 52.7   0.3 95   0 41   2 0.9 7.7   0.1 1411 S | 174 - - - - -
Dollarhide 17B Remote 2/27/26 80.4   2.2 1431 45.6   4.5 0622 54.5   0.5 100   0 44   2 - - - - - - - - -
Dollarhide 18A Remote 2/27/26 81.8   3.0 1441 43.3   3.8 0603 52.7   0.2 100   0 41   2 - - - - - - - - -
Angwin 2/27/26 71.7   4.3 1503 55.0   4.3 0712 49.2   1.4 73   27 39   15 4.4 11.5   1.5 0630 N | 8 0.00 38.60 0.038   0.021 0   0 0   0
Lower Angwin (Pioneer) 2/27/26 74.3   4.7 1429 52.4   7.2 0531 - - - 2.6 10.9   3.1 0625 NNE | 13 - - - - -
Deer Park 2/27/26 81.1   5.7 1413 53.8   4.1 0452 53.4   0.7 91   9 30   17 2.4 11.2   1.2 1146 ENE | 61 0.00 23.60 0.092   0.016 257   3 -
Lower Chiles Valley (Brown) 2/27/26 79.9   3.5 1412 45.3   1.4 0507 51.6   0.2 100   0 38   10 1.4 9.5   0.7 1110 SE | 125 0.00 20.67 0.112   0.018 368   16 0   0
Moss Creek Vineyard/Reservior 2/27/26 75.0   4.5 1652 47.1   0.9 0511 51.8   0.1 100   0 36   18 - - - - 0.00 23.37 - - -
Max   82.1 - 55.0 - 55.0 100 45 4.4 11.5 - - 0.00 42.33 0.112 368 -
Avg   - - - - 52.6 - - 2.1 - - - - - - - -
Min   71.7 - 43.3 - 49.2 73 30 0.9 7.0 - - 0.00 19.16 0.038 0 -

Northern & Central Napa County

27 Stations

Daily Data | America/Los_Angeles
as of 2/28/26 10:05 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 2/27/26 83.5   5.8 1350 49.1   2.1 0542 55.6   1.0 100   0 40   7 - - - - 0.00 27.89 - - 0   0
Fotsch (Maple Lane) 2/27/26 82.5   6.0 1415 48.9   2.5 0352 53.6   0.1 97   0 34   1 1.9 13.8   3.5 1138 SSE | 151 0.00 25.78 - - -
Diamond Mtn (Schramsberg) 2/27/26 79.2   6.9 1424 55.1   4.9 0425 52.9   0.7 86   14 36   12 - - - - 0.00 26.40 - - -
Diamond Mtn (McEachran) 2/27/26 81.4   6.3 1410 52.4   2.5 0716 54.3   0.3 97   2 34   11 - - - - - - - - -
St. Helena-North 2/27/26 83.8   6.8 1434 49.6   1.3 0430 53.1   0.8 100   0 29   9 1.4 7.5   3.1 1155 SSE | 166 0.00 26.65 0.090   0.006 286   4 0   0
St. Helena (NVV Office) 2/27/26 83.4   5.5 1425 50.4   0.9 0426 - - - 0.9 7.4   0.9 1145 ENE | 58 0.00 23.51 - - -
Tiara Fria (East St. Helena) 2/27/26 82.1   4.8 1427 49.8   1.8 0358 54.3   0.6 97   1 33   13 1.6 8.2   0.4 1134 NNW | 346 0.00 21.80 - - -
Rutherford Hill Estate 2/27/26 82.6   4.1 1410 53.7   1.7 0458 55.3   0.8 93   7 34   11 1.5 7.5   2.8 1350 WNW | 298 0.00 21.34 0.097   0.002 314   26 0   0
Rutherford-North (Mee Ln) 2/27/26 83.3   3.0 1415 45.2   0.4 0647 52.7   0.6 100   0 32   10 1.6 7.7   1.8 1617 SE | 139 0.00 20.47 0.099   0.010 322   7 0   0
Rutherford (STS) 2/27/26 84.8   4.7 1413 48.3   1.9 0336 54.3   0.5 90   0 36   8 1.8 7.3   1.3 1611 SE | 135 0.00 21.64 0.115   0.009 388   6 -
Oakville-NE (Ranch 88) 2/27/26 82.3   3.6 1417 48.2   2.2 0433 53.8   0.6 97   1 32   7 0.8 8.1   1.1 1611 SSW | 199 0.00 21.18 0.105   0.007 361   3 0   0
OV561-East 2/27/26 83.5   4.3 1454 48.6   3.1 0454 - - - - - - - - - - - -
Oakville 2/27/26 81.7   2.5 1521 48.8   1.3 0457 54.4   0.1 98   0 32   4 1.9 9.2   1.7 1609 SE | 146 0.00 21.73 0.109   0.013 374   18 -
OV518-West 2/27/26 80.2   2.6 1453 49.4   1.9 0452 - - - - - - - - - - - -
To Kalon Remote (TKKE) 2/27/26 82.7   3.7 1446 48.5   2.1 0439 - - - - - - - - - - - -
To Kalon 2/27/26 83.1   3.0 1443 49.1   1.0 0401 55.0   0.2 100   0 32   9 1.7 8.2   1.8 1608 SSE | 166 0.00 23.60 0.103   0.014 350   28 -
To Kalon Remote (TKN5) 2/27/26 83.4   4.9 1437 48.8   1.1 0345 - - - - - - - - - - - -
Yountville (Ranch 67) 2/27/26 81.1   4.2 1455 49.4   2.2 0407 54.3   0.3 98   0 34   3 1.8 8.5   1.0 1624 SE | 146 0.01 19.96 0.110   0.016 383   30 -
Stags Leap Dist (Silverado Vineyards) 2/27/26 81.0   4.6 1354 50.0   2.4 0409 54.0   0.3 97   0 34   3 1.4 9.8   1.8 1623 SE | 133 0.00 23.90 0.118   0.025 402   79 -
Borreo (Soda Canyon) 2/27/26 78.7   4.0 1411 49.8   0.5 0454 53.9   0.2 98   1 41   5 1.6 8.2   1.8 1018 SW | 229 0.00 23.82 0.111   0.024 390   64 -
Wappo Hill Floor 2/27/26 83.5   2.1 1326 47.1   2.7 0457 55.2   0.9 100   0 37   1 1.7 7.3   3.7 1504 SSW | 196 0.00 23.27 0.108   0.018 370   49 -
Stags Leap Dist (Chimney Rock) 2/27/26 80.2   4.0 1446 49.1   2.9 0420 56.1   0.5 100   3 45   1 1.8 8.2   0.9 1513 SSE | 163 0.00 22.50 0.098   0.030 335   78 -
Yountville-South (Ranch 87) 2/27/26 82.5   3.9 1419 50.0   1.7 0307 56.0   0.4 100   0 38   0 1.4 9.6   0.9 1327 N | 353 0.00 23.64 0.098   0.002 327   19 -
Yountville-SE (Ranch 85) 2/27/26 82.3   4.4 1432 49.3   2.6 0502 55.8   0.0 100   0 39   0 1.1 6.4   0.7 1610 S | 187 0.00 22.18 - 0   0 0   0
Oak Knoll-East (Ranch 53) 2/27/26 81.9   2.7 1334 49.8   3.5 0452 55.1   0.2 97   1 36   1 1.3 8.2   0.7 1531 S | 174 0.00 20.44 0.102   0.017 343   44 -
Napa-NW (Ranch 54) 2/27/26 80.0   2.7 1430 50.3   1.9 0500 55.7   0.6 100   0 41   4 1.4 8.8   0.9 1440 SSE | 167 0.00 22.66 - 0   0 0   0
Napa-North (Ranch 29) 2/27/26 79.8   3.9 1401 50.1   2.8 0453 55.8   0.4 100   0 43   3 1.3 9.8   0.7 1501 S | 180 0.00 20.32 0.073   0.001 216   35 -
Max   84.8 - 55.1 - 56.1 100 45 1.9 13.8 - - 0.01 27.89 0.118 402 -
Avg   - - - - 54.6 - - 1.5 - - - - - - - -
Min   78.7 - 45.2 - 52.7 86 29 0.8 6.4 - - 0.00 19.96 0.073 0 -

Southern Napa County

22 Stations

Daily Data
as of 2/28/26 10:05 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 2/27/26 75.3   5.9 1354 58.0   5.2 0629 51.1   0.2 77   18 38   2 1.4 7.1   0.4 0913 N | 0 0.00 29.22 0.093   0.010 290   143 0   0
Mount George (Napa East) 2/27/26 91.6   15.1 0036 49.8   4.6 0602 56.3   1.5 100   0 45   7 1.1 7.9   0.5 1528 SSE | 163 0.00 11.88 0.109   0.018 382   48 -
Napa-East (Palmaz 300') 2/27/26 79.9   4.2 1418 51.2   1.1 0514 55.2   0.6 100   0 42   6 1.6 9.7   1.4 1933 NE | 51 0.00 18.31 0.102   0.017 342   37 -
Napa-East (Palmaz 1200') 2/27/26 74.2   3.2 1409 50.7   2.8 0450 53.1   7.6 100   0 44   39 2.4 10.7   1.8 1007 E | 92 - - 0.105   0.013 368   34 -
Napa-East (Palmaz 1400') 2/27/26 74.9   3.7 1330 50.7   4.1 0609 53.5   0.2 99   1 46   19 2.7 12.8   3.6 0803 NNE | 29 0.00 24.79 0.110   0.017 377   6 -
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) 2/27/26 78.4   3.4 1451 53.1   1.5 0640 49.9   46.7 100   0 0   0 1.9 10.7   0.4 0721 NNE | 17 0.00 20.15 0.109   0.000 371   36 0   0
Napa-West Lower (Truchard) 2/27/26 80.4   2.7 1447 47.7   0.2 0241 54.8   0.6 100   0 48   0 - - - - - - - - 0   0
Napa-South (Toyon Farms) 2/27/26 78.0   3.1 1402 53.0   1.2 0235 58.2   0.5 100   0 56   4 1.1 7.8   0.3 1443 SSW | 196 0.00 13.94 0.055   0.000 177   20 0   0
Toyon Remote 1 2/27/26 77.9   2.3 1337 49.6   0.8 0129 - - - - - - - - - - - -
Toyon Remote 2 2/27/26 77.4   2.5 1439 50.9   0.5 0118 - - - - - - - - - - - -
Toyon Remote 3 2/27/26 78.9   1.1 1417 49.2   0.5 0202 - - - - - - - - - - - -
Dealy Lane (Ranch 80) 2/27/26 77.6   2.6 1435 51.2   1.4 0217 56.0   0.8 97   1 49   4 2.0 8.3   1.2 0744 NNE | 30 0.00 19.35 0.106   0.017 372   47 -
Carneros (Saintsbury) 2/27/26 77.3   2.2 1329 50.1   1.2 0651 55.5   2.6 100   0 49   4 1.9 8.2   0.3 1356 SSW | 200 0.00 5.62 - - 0   0
Suscol Lower (Ranch 35) 2/27/26 77.6   3.3 1420 52.1   0.0 0303 55.3   25.3 - - 2.5 10.1   0.0 1058 SE | 145 0.00 18.31 0.104   0.005 358   25 -
Suscol Mtn (Ranch 93) 2/27/26 75.5   3.5 1442 57.9   3.8 0549 54.4   1.2 82   17 47   9 3.1 11.0   4.3 1117 NNW | 328 0.00 13.80 - - -
Suscol Upper (Ranch 92) 2/27/26 78.9   4.6 1625 57.1   3.7 0319 55.0   10.9 86   14 47   44 1.0 9.2   1.5 1158 WSW | 249 0.00 18.16 - - 0   0
Stanly (Ranch 45) 2/27/26 78.4   2.6 1405 49.2   0.6 0528 54.8   1.5 98   2 46   2 2.7 10.6   1.6 0554 NNE | 33 0.00 19.65 0.117   0.011 407   22 0   0
Carneros Upper (Ranch 81) 2/27/26 76.8   2.8 1442 55.1   1.0 0723 55.0   31.8 - - 2.7 8.1   8.9 1348 SSW | 196 - - - - 0   0
Carneros (Mitsuko) 2/27/26 76.6   0.8 1420 48.9   1.2 0359 - - - - - - - - - - - -
Carneros Lower (Ranch 81) 2/27/26 80.4   3.9 1336 51.6   0.8 0501 55.4   50.4 100   0 0   0 1.3 7.0   0.7 1050 SSE | 163 0.00 16.94 0.087   0.014 298   77 0   0
Carneros (Milton Rd) 2/27/26 77.7   2.7 1409 51.7   0.0 0537 55.2   0.6 95   1 45   5 - - - - 0.00 5.75 - - -
Max   91.6 - 58.0 - 58.2 100 56 3.1 12.8 - - 0.00 29.22 0.117 407 -
Avg   - - - - 54.6 - - 2.0 - - - - - - - -
Min   74.2 - 47.7 - 49.9 77 0 1.0 7.0 - - 0.00 5.62 0.055 177 -