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Northeast Napa County

12 Stations

Daily Data | America/Los_Angeles
as of 12/21/25 8:17 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 12/20/25 55.4   0.7 2319 52.0   2.2 0645 - - - - - - - 0.91 14.50 - - -
Pope Valley (Weeks Lake) 12/20/25 59.2   2.4 1501 52.7   3.4 0002 55.3   2.0 100   0 86   0 2.0 10.3   2.2 2123 ESE | 108 0.16 6.26 0.016   0.005 51   14 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 12/20/25 60.6   2.3 1426 56.0   2.3 0654 57.1   2.2 100   1 89   0 3.3 20.7   1.9 2347 SSE | 162 0.19 5.52 0.014   0.002 47   6 -
Dollarhide 1AS Remote 12/20/25 60.5   2.3 1508 53.8   2.1 0112 55.6   1.6 95   0 88   0 2.4 21.5   0.1 2310 S | 184 - - - - -
Dollarhide 17B Remote 12/20/25 60.2   2.1 1334 54.6   2.3 0048 - 100   0 92   2 - - - - - - - - -
Dollarhide 18A Remote 12/20/25 60.6   2.5 1429 54.0   3.6 0704 56.3   2.3 100   2 87   0 - - - - - - - - -
Angwin 12/20/25 53.3   1.1 2202 51.1   3.6 0726 52.1   2.1 100   0 100   0 5.2 21.4   0.1 2308 SSE | 164 0.54 13.54 0.000   0.000 0   0 0   0
Lower Angwin (Pioneer) 12/20/25 54.9   1.6 2130 52.7   4.3 0752 - - - 3.4 14.8   3.7 2358 SSW | 193 - - - - -
Deer Park 12/20/25 57.5   1.5 2354 55.2   4.7 0756 56.3   2.7 100   0 100   3 3.9 16.1   1.2 2143 ESE | 109 0.33 7.68 0.006   0.000 24   1 -
Lower Chiles Valley (Brown) 12/20/25 60.1   2.6 1422 53.8   4.3 0645 55.4   2.7 100   0 85   4 1.7 13.7   0.1 2356 WSW | 246 0.00 1.51 0.013   0.004 36   10 0   0
Moss Creek Vineyard/Reservior 12/20/25 60.2   1.8 1424 54.1   2.3 0725 55.8   2.5 100   0 86   4 - - - - 0.23 6.79 - - -
Max   60.6 - 56.0 - 57.1 100 100 5.2 21.5 - - 0.91 14.50 0.016 51 -
Avg   - - - - 55.5 - - 3.1 - - - - - - - -
Min   53.3 - 51.1 - 52.1 95 85 1.7 10.3 - - 0.00 1.51 0.000 0 -

Northern & Central Napa County

27 Stations

Daily Data | America/Los_Angeles
as of 12/21/25 8:17 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 12/20/25 59.5   1.5 1416 56.2   4.7 0754 57.4   2.7 100   0 99   2 - - - - 0.32 9.13 - - -
Fotsch (Maple Lane) 12/20/25 59.4   2.2 1501 56.4   4.8 0735 56.6   2.6 98   0 93   1 1.6 8.5   3.1 2220 ESE | 118 0.39 7.97 - - -
Diamond Mtn (Schramsberg) 12/20/25 56.7   0.5 1545 53.4   4.0 0719 55.3   2.5 100   0 100   0 - - - - 0.46 8.29 - - -
Diamond Mtn (McEachran) 12/20/25 58.0   1.4 1446 55.0   4.4 0724 56.4   2.6 100   0 99   0 - - - - - - - - -
St. Helena-North 12/20/25 59.3   2.1 1426 56.2   5.0 0746 56.0   2.8 95   0 94   0 1.9 10.3   2.6 2223 SE | 138 0.37 7.43 0.011   0.000 29   1 -
St. Helena (NVV Office) 12/20/25 59.2   1.5 1604 56.7   5.0 0722 - - - 0.7 6.5   4.8 2123 SE | 124 0.33 7.23 - - -
Tiara Fria (East St. Helena) 12/20/25 59.7   2.0 1528 56.9   5.4 0742 57.3   2.7 98   0 93   0 1.8 11.3   2.6 2304 ESE | 119 0.23 6.80 - - -
Rutherford Hill Estate 12/20/25 58.6   1.5 1455 56.0   5.1 0729 57.3   2.6 100   0 100   0 2.1 16.2   3.1 2256 SSW | 212 0.01 4.05 0.008   0.002 30   7 0   0
Rutherford-North (Mee Ln) 12/20/25 49.1   1.8 1606 42.6   1.2 0927 44.7   1.2 98   0 94   5 3.2 15.1   4.2 2137 SE | 129 0.13 6.08 0.008   0.002 32   4 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) 12/20/25 60.5   2.8 1410 56.4   5.7 0734 56.7   2.6 97   0 88   1 3.6 13.0   3.3 2245 SSE | 164 0.11 6.52 0.016   0.002 52   13 0   0
OV561-East 12/20/25 61.8   3.4 1415 57.1   5.6 0733 - - - - - - - - - - - -
Oakville 12/20/25 60.3   2.4 1412 56.6   4.9 0723 57.1   2.6 98   0 89   0 4.0 14.8   1.5 2225 SE | 130 0.13 6.33 0.015   0.001 52   8 -
OV518-West 12/20/25 60.6   2.2 1409 56.9   4.7 0735 - - - - - - - - - - - -
To Kalon Remote (TKKE) 12/20/25 60.9   2.4 1411 56.4   4.9 0339 - - - - - - - - - - - -
To Kalon 12/20/25 60.2   2.3 1412 56.0   4.5 0308 57.6   2.7 100   0 94   1 3.4 15.6   2.0 2324 SSE | 148 0.12 6.92 0.011   0.001 39   7 -
To Kalon Remote (TKN5) 12/20/25 61.0   2.2 1411 56.9   4.8 0307 - - - - - - - - - - - -
Yountville (Ranch 67) 12/20/25 59.8   2.3 1414 56.0   4.0 0701 56.4   2.7 97   0 92   8 4.1 16.1   0.9 2336 SE | 126 0.06 5.34 0.018   0.001 83   12 -
Stags Leap Dist (Silverado Vineyards) 12/20/25 59.4   1.9 1408 56.1   4.1 0703 56.0   2.7 97   1 91   7 3.7 12.8   6.4 2332 ESE | 113 0.22 6.85 0.015   0.001 43   2 -
Borreo (Soda Canyon) 12/20/25 57.6   1.4 1302 55.4   4.7 0732 56.3   2.9 99   0 99   9 1.2 6.7   5.5 2248 S | 169 0.40 8.12 0.011   0.003 39   13 -
Wappo Hill Floor 12/20/25 56.6   1.8 1414 53.9   2.4 0755 55.1   1.0 100   0 100   15 2.8 8.3   5.9 2124 SE | 146 0.24 6.67 0.010   0.001 37   5 -
Stags Leap Dist (Chimney Rock) 12/20/25 59.4   1.0 1352 56.8   4.2 0754 - - - 2.4 10.3   4.8 2110 SE | 138 0.15 6.93 0.068   0.012 33   6 0   0
Yountville-South (Ranch 87) 12/20/25 59.4   0.3 1432 56.7   4.5 0738 57.9   2.4 100   0 100   12 2.6 8.3   4.6 2125 SSW | 193 0.21 6.69 0.010   0.002 39   4 -
Yountville-SE (Ranch 85) 12/20/25 59.4   0.7 1422 56.6   3.9 0756 57.9   2.6 100   0 100   14 2.0 7.0   4.2 2113 S | 177 0.26 6.71 - 0   0 0   0
Oak Knoll-East (Ranch 53) 12/20/25 59.2   0.1 1441 56.4   4.0 2143 57.0   2.6 98   1 97   16 1.5 8.9   2.1 0005 SSW | 208 0.30 7.39 0.010   0.004 32   9 -
Napa-NW (Ranch 54) 12/20/25 59.1   1.5 1345 56.0   3.8 0749 57.7   2.2 100   0 100   19 1.6 8.3   3.7 2356 SSE | 157 0.32 7.78 - 0   0 0   0
Napa-North (Ranch 29) 12/20/25 59.6   1.4 1453 56.2   3.9 0821 57.9   2.4 100   0 100   22 0.9 8.8   4.4 0016 S | 183 0.22 7.26 0.007   0.003 25   5 -
Max   61.8 - 57.1 - 57.9 100 100 4.1 16.2 - - 0.46 9.13 0.068 83 -
Avg   - - - - 56.2 - - 2.4 - - - - - - - -
Min   49.1 - 42.6 - 44.7 95 88 0.7 6.5 - - 0.01 4.05 0.007 0 -

Southern Napa County

22 Stations

Daily Data
as of 12/21/25 8:17 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 12/20/25 56.5   2.3 1406 52.1   2.9 0525 54.4   2.5 100   0 100   0 3.7 15.6   1.5 2338 S | 183 0.27 9.90 0.012   0.008 48   31 0   0
Mount George (Napa East) 12/20/25 64.3   1.0 0349 59.5   4.0 0558 61.2   2.7 100   0 97   18 0.6 8.1   3.3 2308 S | 171 0.00 2.99 0.012   0.004 41   8 -
Napa-East (Palmaz 300') 12/20/25 60.6   0.5 2146 57.0   4.5 0738 58.2   3.0 100   0 92   16 0.6 10.7   2.4 2138 SE | 133 0.22 6.93 0.010   0.003 32   7 -
Napa-East (Palmaz 1200') 12/20/25 57.4   1.8 2303 54.6   4.3 2115 37.4   2.0 50   0 50   0 1.6 13.3   0.9 2347 W | 280 - - 0.029   0.002 31   5 -
Napa-East (Palmaz 1400') 12/20/25 56.8   1.9 2304 53.8   4.1 2120 55.2   2.4 100   0 100   0 2.5 15.4   2.0 2300 S | 184 0.39 9.66 0.012   0.005 52   13 -
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) 12/20/25 55.5   3.7 0001 51.7   0.6 0754 - - - 2.4 11.0   7.0 0033 S | 176 0.20 7.27 0.059   0.029 38   19 0   0
Napa-West Lower (Truchard) 12/20/25 57.3   2.5 1337 53.7   1.7 0800 55.7   1.5 100   0 100   17 - - - - - - - - 0   0
Napa-South (Toyon Farms) 12/20/25 59.0   1.1 1403 54.4   1.7 0752 57.4   1.8 100   0 100   14 0.9 11.0   4.7 2327 S | 169 0.69 3.05 0.004   0.002 22   10 0   0
Toyon Remote 1 12/20/25 59.6   0.6 1433 54.5   2.2 0754 - - - - - - - - - - - -
Toyon Remote 2 12/20/25 59.8   0.3 1433 54.7   2.1 0745 - - - - - - - - - - - -
Toyon Remote 3 12/20/25 59.5   0.8 1431 54.4   2.2 0755 - - - - - - - - - - - -
Dealy Lane (Ranch 80) 12/20/25 58.8   1.5 1500 54.3   2.1 0802 56.2   2.1 97   0 97   17 1.2 7.9   3.2 0008 S | 187 0.18 6.92 0.010   0.005 38   20 -
Carneros (Saintsbury) 12/20/25 53.1   5.4 1456 48.5   0.9 0743 51.3   0.3 100   0 100   18 1.9 10.4   7.5 0039 SSE | 161 0.00 1.64 - - 0   0
Suscol Lower (Ranch 35) 12/20/25 59.1   2.0 1329 55.0   2.4 0742 18.0   34.6 - - 3.2 13.0   2.8 2137 SSE | 151 0.21 6.61 0.035   0.014 45   12 -
Suscol Mtn (Ranch 93) 12/20/25 56.8   0.4 2206 54.4   3.3 0757 55.5   1.9 100   0 100   13 3.9 19.6   6.1 2121 SE | 126 0.27 7.29 - - -
Suscol Upper (Ranch 92) 12/20/25 57.8   0.6 2322 55.4   4.0 0748 56.7   3.9 100   0 100   97 2.4 15.2   2.5 2203 ESE | 111 0.29 6.90 - - 0   0
Stanly (Ranch 45) 12/20/25 52.8   7.0 0044 48.6   1.1 0724 50.6   0.6 100   0 99   22 3.1 12.8   4.6 2031 ESE | 120 0.18 7.60 0.012   0.008 49   15 0   0
Carneros Upper (Ranch 81) 12/20/25 57.8   0.9 1408 54.2   2.8 0811 56.6   52.7 - - 3.1 15.0   6.2 0051 SSW | 198 - - - - -
Carneros (Mitsuko) 12/20/25 59.2   0.7 1449 54.4   2.1 0754 - - - - - - - - - - - -
Carneros Lower (Ranch 81) 12/20/25 57.9   1.8 1453 54.6   2.2 0804 -60.5   48.8 0   100 0   0 0.9 7.7   4.9 0046 SSE | 159 0.13 5.75 0.031   0.018 22   10 -
Carneros (Milton Rd) 12/20/25 59.4   1.2 1410 54.4   1.2 0736 56.0   1.8 96   0 93   15 - - - - 0.04 5.01 - - -
Max   64.3 - 59.5 - 61.2 100 100 3.9 19.6 - - 0.69 9.90 0.059 52 -
Avg   - - - - 45.0 - - 2.1 - - - - - - - -
Min   52.8 - 48.5 - -60.5 0 0 0.6 7.7 - - 0.00 1.64 0.004 22 -