Northern & Central Napa County

26 Stations

Daily Data | America/Los_Angeles
as of 4/28/26 6:10 AM 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 4/27/26 73.1   8.6 1345 45.5   1.7 0503 47.1   1.2 98   2 41   8 - - - - 0.00 32.32 - - 0   10
Diamond Mtn (Schramsberg) 4/27/26 67.4   7.3 1646 46.0   0.5 0519 44.3   1.2 95   1 45   2 - - - - 0.00 30.72 - - 0   0
Diamond Mtn (McEachran) 4/27/26 66.2   6.6 1713 46.8   0.6 0515 44.9   1.5 95   3 44   4 - - - - - - - - 0   0
St. Helena-North 4/27/26 68.2   4.2 1507 46.8   0.3 0058 43.8   1.4 88   2 36   2 1.8 14.3   0.9 1915 NW | 326 0.00 30.46 0.114   0.031 380   112 0   0
St. Helena (NVV Office) 4/27/26 69.9   4.7 1407 47.9   0.0 0059 - - - 1.0 9.6   2.2 1822 WNW | 294 0.00 27.95 - - 40   10
Tiara Fria (East St. Helena) 4/27/26 68.1   4.3 1632 47.6   0.4 0059 45.7   1.5 91   1 44   2 2.1 14.2   2.3 1809 WSW | 246 0.00 25.95 - - 0   0
Rutherford Hill Estate 4/27/26 69.0   4.8 1617 48.0   0.5 0402 45.7   1.5 91   1 44   1 1.4 11.0   6.4 1736 W | 270 0.00 24.50 0.101   0.004 358   14 0   10
Rutherford-North (Mee Ln) 4/27/26 70.5   6.4 1640 45.1   2.3 0059 45.8   2.0 95   0 41   3 2.0 13.8   4.0 1254 E | 82 0.00 23.98 0.118   0.021 402   92 10   10
Rutherford (STS) 4/27/26 69.2   5.4 1308 45.9   2.2 0058 47.4   1.9 91   1 48   3 2.3 16.4   1.5 1901 WSW | 254 0.00 25.26 0.129   0.027 453   94 40   10
Oakville-NE (Ranch 88) 4/27/26 69.9   5.9 1624 45.9   2.8 0059 45.3   2.1 92   3 37   4 1.8 20.4   1.2 1619 S | 184 0.00 24.39 0.124   0.021 432   92 0   0
OV561-East 4/27/26 70.1   6.1 1537 46.7   1.7 0050 - - - - - - - - - - - 0   0
Oakville 4/27/26 68.4   5.5 1537 46.6   2.8 0101 45.7   2.2 94   2 40   4 2.8 17.3   0.4 1823 WSW | 258 0.00 24.96 0.130   0.018 454   84 0   0
OV518-West 4/27/26 67.1   4.7 1340 47.6   2.3 0059 - - - - - - - - - - - 0   0
To Kalon Remote (TKKE) 4/27/26 69.9   6.1 1642 44.6   0.9 0101 - - - - - - - - - - - 40   10
To Kalon 4/27/26 68.6   5.4 1647 45.7   0.7 0101 46.1   1.7 94   1 45   1 2.3 15.0   1.0 1747 WNW | 286 0.00 27.15 0.116   0.031 392   132 0   0
To Kalon Remote (TKN5) 4/27/26 69.1   5.7 1636 45.8   1.3 0101 - - - - - - - - - - - 0   0
Yountville (Ranch 67) 4/27/26 67.1   4.5 1541 45.5   1.8 0059 45.1   2.5 94   2 41   0 2.4 14.8   0.3 1549 SSE | 167 0.00 23.06 0.119   0.006 442   22 0   0
Stags Leap Dist (Silverado Vineyards) 4/27/26 66.0   3.6 1509 46.1   2.8 0059 45.4   2.0 93   2 42   1 1.8 14.7   2.1 1616 S | 185 0.00 27.09 0.107   0.015 366   36 0   0
Borreo (Soda Canyon) 4/27/26 63.7   5.3 1610 43.5   0.8 0059 45.4   3.1 96   0 47   5 1.3 11.1   0.0 1659 WSW | 249 0.00 27.02 0.095   0.011 353   41 0   0
Wappo Hill Floor 4/27/26 68.1   4.9 1443 46.4   2.4 0101 46.7   2.7 100   0 43   5 2.1 14.2   2.2 1553 SW | 224 0.00 26.26 0.112   0.019 382   79 40   10
Stags Leap Dist (Chimney Rock) 4/27/26 67.6   5.3 1513 48.0   3.0 0045 48.1   2.5 98   0 47   3 2.3 14.0   0.4 1547 S | 188 0.00 25.63 0.102   0.019 353   81 0   0
Yountville-South (Ranch 87) 4/27/26 66.5   4.8 1521 46.7   1.1 0050 47.0   2.3 100   0 44   4 1.8 13.8   0.5 1627 SSW | 202 0.00 26.90 0.106   0.016 368   74 30   10
Yountville-SE (Ranch 85) 4/27/26 67.2   3.6 1711 47.0   1.0 0059 47.2   2.2 96   0 44   0 1.3 10.4   0.7 1627 SSW | 208 0.00 25.19 - 0   0 0   0
Oak Knoll-East (Ranch 53) 4/27/26 68.2   5.9 1443 47.4   1.9 0059 46.2   2.4 94   1 41   1 1.7 14.8   0.2 1455 S | 176 0.00 23.77 0.111   0.015 394   74 10   10
Napa-NW (Ranch 54) 4/27/26 69.4   5.8 1253 46.6   0.7 0059 46.1   2.5 93   1 41   2 0.9 10.4   2.7 1703 SW | 216 0.00 26.23 - 0   0 40   10
Napa-North (Ranch 29) 4/27/26 65.8   5.5 1628 48.7   0.7 0613 47.3   1.8 100   0 49   7 1.6 12.9   1.3 1632 S | 175 0.00 24.67 0.073   0.008 228   59 0   0
Max   73.1 - 48.7 - 48.1 100 49 2.8 20.4 - - 0.00 32.32 0.130 454 -
Avg   - - - - 46.0 - - 1.8 - - - - - - - -
Min   63.7 - 43.5 - 43.8 88 36 0.9 9.6 - - 0.00 23.06 0.073 0 -