Northern & Central Napa County

27 Stations

Daily Data | America/Los_Angeles
as of 7/28/26 2:08 PM PDT
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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 7/24/26 96.7   3.5 1504 50.9   2.2 0705 53.9   3.1 95   2 20   12 - - - - 0.00 0.00 - - 10   10
Diamond Mtn (Schramsberg) 7/27/26 91.5   2.0 1458 52.2   0.9 0619 49.2   1.5 88   1 21   1 - - - - 0.00 0.00 - - 40   10
Diamond Mtn (McEachran) 7/27/26 92.3   0.3 1511 52.0   2.6 0611 50.0   1.3 86   3 23   2 - - - - - - - - 40   10
St. Helena-North 7/27/26 91.2   1.9 1451 49.4   1.2 0630 49.6   0.1 86   1 23   4 2.7 14.9   0.2 1511 SE | 139 0.00 0.00 0.219   0.001 600   3 0   0
St. Helena (NVV Office) 7/27/26 90.9   1.5 1724 49.9   1.4 0623 - - - 1.5 10.7   0.7 1617 SE | 136 0.00 0.00 - - 0   0
Tiara Fria (East St. Helena) 7/27/26 87.7   2.2 1804 47.6   0.1 0543 51.6   0.1 88   0 31   7 2.2 12.5   1.2 1542 ESE | 114 0.00 0.00 - - 0   0
Prisoner Winery 7/27/26 91.5   1.1 1711 46.4   1.1 0553 52.0   0.1 97   0 28   5 1.3 9.0   1.1 1655 SE | 132 0.00 0.00 0.054   0.063 113   221 0   0
Rutherford Hill Estate 7/27/26 88.7   0.0 1558 52.1   1.0 0607 53.0   0.1 100   0 29   5 1.7 14.9   1.8 1515 SSW | 196 0.00 0.00 0.192   0.006 576   6 0   0
Rutherford-North (Mee Ln) 7/27/26 87.9   4.3 1749 43.9   1.0 0555 50.7   0.2 89   2 32   10 3.0 16.0   1.5 1609 S | 171 0.00 0.00 0.210   0.008 577   22 20   10
Rutherford (STS) 7/27/26 88.9   2.4 1747 44.2   0.6 0524 53.9   0.0 92   0 36   11 2.0 13.2   1.4 1406 SE | 124 0.00 0.00 0.228   0.004 688   5 0   0
Oakville-NE (Ranch 88) 7/27/26 88.6   0.9 1810 43.1   1.6 0606 48.7   0.5 84   1 28   6 2.2 14.5   2.4 1512 SSW | 205 0.00 0.00 0.217   0.007 629   6 100   0
OV561-East 7/27/26 91.5   0.0 1747 46.8   1.0 0607 - - - - - - - - - - - 10   10
Oakville 7/27/26 85.7   0.6 1746 45.0   1.4 0603 50.7   0.5 91   1 32   8 3.6 17.2   3.2 1418 ESE | 117 0.00 0.00 0.234   0.006 683   4 100   10
OV518-West 7/27/26 85.8   0.2 1745 46.5   0.6 0627 - - - - - - - - - - - 100   10
To Kalon Remote (TKKE) 7/27/26 88.8   1.9 1738 45.4   2.0 0615 - - - - - - - - - - - 0   0
To Kalon 7/27/26 86.6   2.4 1731 45.8   1.7 0604 52.2   0.2 94   1 33   14 3.3 15.9   3.3 1441 SE | 134 0.00 0.00 0.227   0.008 650   5 80   20
To Kalon Remote (TKN5) 7/27/26 88.9   1.3 1746 45.8   1.5 0617 - - - - - - - - - - - 0   0
Yountville (Ranch 67) 7/27/26 84.4   1.0 1738 44.5   1.3 0616 50.1   0.6 90   0 32   2 3.2 16.2   1.5 1525 ESE | 119 0.00 0.00 0.222   0.006 698   6 100   10
Stags Leap Dist (Silverado Vineyards) 7/27/26 86.3   0.2 1731 45.0   0.6 0608 50.3   0.3 93   0 30   2 3.0 16.3   1.1 1335 SSE | 166 0.00 0.00 0.226   0.004 660   6 90   20
Borreo (Soda Canyon) 7/27/26 82.9   0.2 1719 46.1   0.9 0621 49.9   0.3 97   0 31   2 2.0 11.2   0.3 1340 SE | 134 0.00 0.00 0.220   0.004 708   4 100   10
Wappo Hill Floor 7/27/26 87.3   0.4 1742 44.5   0.6 0615 51.6   0.0 100   10 30   1 2.8 15.2   1.9 1338 SE | 140 0.00 0.00 0.226   0.008 687   4 100   10
Stags Leap Dist (Chimney Rock) 7/27/26 85.3   0.4 1714 43.7   0.9 0553 53.1   0.4 98   1 38   1 2.7 15.3   0.2 1613 SSE | 158 0.00 0.00 0.200   0.005 610   3 100   10
Yountville-South (Ranch 87) 7/27/26 86.2   1.6 1723 45.8   0.8 0610 51.8   0.7 95   2 32   1 1.7 13.6   1.0 1321 SSE | 160 0.00 0.00 0.213   0.008 672   8 20   10
Yountville-SE (Ranch 85) 7/27/26 84.8   0.2 1731 46.0   1.4 0610 52.5   0.7 94   0 34   2 2.8 14.8   0.7 1502 SSE | 153 0.00 0.00 - 0   0 100   10
Oak Knoll-East (Ranch 53) 7/27/26 86.4   0.6 1732 46.7   1.1 0627 51.2   0.7 90   1 28   0 2.6 14.5   0.8 1534 SE | 134 0.00 0.00 0.225   0.004 702   3 100   10
Napa-NW (Ranch 54) 7/27/26 91.2   0.5 1718 48.0   1.0 0550 51.2   0.5 90   0 25   2 0.6 10.5   1.3 1647 SW | 225 0.00 0.00 - 0   0 40   10
Napa-North (Ranch 29) 7/27/26 85.9   1.9 1704 47.3   1.1 0543 53.0   0.6 100   0 32   3 1.6 13.4   2.3 1612 S | 178 0.00 0.00 0.137   0.006 399   4 100   0
Max   92.3 - 52.2 - 53.9 100 38 3.6 17.2 - - 0.00 0.00 0.234 708 -
Avg   - - - - 51.3 - - 2.3 - - - - - - - -
Min   82.9 - 43.1 - 48.7 84 21 0.6 9.0 - - 0.00 0.00 0.054 0 -