Northern & Central Napa County

27 Stations

Daily Data | America/Los_Angeles
as of 12/10/25 4:38 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 12/9/25 50.1   0.5 1422 37.9   0.2 2143 41.5   0.9 100   0 90   0 - - - - 0.01 7.38 - - -
Fotsch (Maple Lane) 12/9/25 50.4   1.2 1345 35.1   1.6 1921 40.3   0.9 98   0 79   3 1.5 10.0   0.7 1422 ESE | 107 0.00 6.44 - - -
Diamond Mtn (Schramsberg) 12/9/25 47.4   1.3 1609 36.1   1.0 0739 41.3   0.0 100   0 92   8 - - - - 0.01 6.80 - - -
Diamond Mtn (McEachran) 12/9/25 47.6   0.6 1413 37.9   0.7 0734 41.2   0.4 100   0 95   2 - - - - - - - - -
St. Helena-North 12/9/25 46.8   1.3 1403 37.9   1.2 2004 40.0   0.9 95   0 89   4 1.3 8.8   0.7 1414 SE | 141 0.00 5.99 0.015   0.001 68   3 -
St. Helena (NVV Office) 12/9/25 47.9   2.3 1540 38.5   0.6 1941 - - - 0.6 5.1   0.7 1312 E | 91 0.01 5.86 - - -
Tiara Fria (East St. Helena) 12/9/25 49.9   2.0 1531 36.4   0.7 1945 40.8   0.7 97   0 80   5 0.9 5.6   1.0 1441 ESE | 119 0.01 5.69 - - -
Rutherford Hill Estate 12/9/25 53.1   1.7 1547 39.6   1.6 0818 42.3   0.5 100   0 77   7 0.7 5.0   1.3 1306 WSW | 256 0.01 4.02 0.016   0.002 88   9 0   0
Rutherford-North (Mee Ln) 12/9/25 47.2   4.5 1600 34.3   0.1 0818 36.6   1.6 98   0 85   9 1.0 7.0   0.0 1414 ESE | 103 0.01 5.09 0.015   0.003 86   11 0   0
Rutherford (STS) 12/9/25 53.3   3.4 1511 36.8   1.0 1833 38.9   1.4 91   0 82   10 1.0 5.0   1.3 1225 E | 98 0.00 5.73 0.019   0.003 94   14 -
Oakville-NE (Ranch 88) 12/9/25 52.4   4.2 1539 36.1   0.5 1854 40.2   0.4 96   0 72   12 0.7 5.9   1.0 1336 S | 188 0.01 5.54 0.019   0.003 103   12 0   0
OV561-East 12/9/25 54.6   3.4 1447 36.0   0.1 2004 - - - - - - - - - - - -
Oakville 12/9/25 52.0   2.6 1530 36.2   0.6 1951 40.8   0.4 97   1 74   10 1.0 6.6   2.0 1306 ESE | 107 0.00 5.45 0.019   0.005 103   20 -
OV518-West 12/9/25 49.8   2.7 1547 37.6   1.1 1924 - - - - - - - - - - - -
To Kalon Remote (TKKE) 12/9/25 51.2   4.3 1528 34.9   0.5 1848 - - - - - - - - - - - -
To Kalon 12/9/25 52.2   3.8 1452 36.7   0.2 1946 41.6   0.4 100   1 79   14 1.1 5.6   1.7 1306 SSE | 162 0.00 5.85 0.016   0.006 85   25 -
To Kalon Remote (TKN5) 12/9/25 52.1   2.8 1432 36.3   0.3 1943 - - - - - - - - - - - -
Yountville (Ranch 67) 12/9/25 53.7   1.1 1459 35.8   0.2 1951 40.3   0.5 97   1 67   0 1.1 6.1   3.9 1504 SW | 215 0.00 4.74 0.029   0.001 248   8 -
Stags Leap Dist (Silverado Vineyards) 12/9/25 54.5   1.7 1435 34.8   1.3 1954 40.0   0.6 97   1 65   3 0.7 6.2   3.9 1307 S | 169 0.01 6.01 0.022   0.001 110   6 -
Borreo (Soda Canyon) 12/9/25 53.4   1.3 1451 36.0   0.6 1933 39.8   0.7 99   0 70   2 1.2 4.8   0.6 1241 S | 170 0.01 6.84 0.023   0.001 130   8 -
Wappo Hill Floor 12/9/25 53.8   1.6 1517 37.2   1.0 1918 41.8   0.6 100   0 70   3 1.3 6.1   3.0 1446 S | 179 0.00 5.87 0.026   0.001 136   2 -
Stags Leap Dist (Chimney Rock) 12/9/25 55.8   0.5 1415 38.5   1.5 1935 - - - 1.3 6.4   2.4 1440 SW | 230 0.00 6.24 0.030   0.002 114   2 0   0
Yountville-South (Ranch 87) 12/9/25 53.6   0.0 1424 37.1   0.6 1940 42.2   0.4 100   0 71   2 0.8 5.7   2.4 1500 SW | 214 0.00 5.90 0.026   0.002 138   5 -
Yountville-SE (Ranch 85) 12/9/25 53.4   0.4 1402 39.0   1.0 1918 42.4   0.1 100   0 72   2 1.0 5.3   4.3 1439 W | 273 0.00 5.90 - 0   0 0   0
Oak Knoll-East (Ranch 53) 12/9/25 53.8   0.0 1346 38.4   0.7 1913 41.5   0.1 96   1 66   0 1.0 6.1   2.0 1522 WSW | 246 0.00 6.43 0.026   0.004 130   18 -
Napa-NW (Ranch 54) 12/9/25 52.6   0.8 1514 38.9   1.2 1909 42.2   0.2 100   0 72   3 1.0 6.3   1.5 1330 S | 170 0.00 6.63 - 0   0 0   0
Napa-North (Ranch 29) 12/9/25 55.0   1.3 1527 41.3   1.2 0703 42.9   0.1 100   0 67   1 0.8 7.7   1.1 1324 SW | 229 0.00 6.44 0.021   0.002 97   6 -
Max   55.8 - 41.3 - 42.9 100 95 1.5 10.0 - - 0.01 7.38 0.030 248 -
Avg   - - - - 40.9 - - 1.0 - - - - - - - -
Min   46.8 - 34.3 - 36.6 91 65 0.6 4.8 - - 0.00 4.02 0.015 0 -