Northern & Central Napa County

27 Stations

Daily Data | America/Los_Angeles
as of 8/31/25 4:34 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) 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 8/30/25 102.9   9.1 1509 52.2   0.1 0549 49.0   4.6 92   1 13   9 - - - - 0.00 0.00 - - 0   0
Fotsch (Maple Lane) 8/30/25 101.5   7.6 1519 48.7   0.8 0652 45.5   4.9 92   2 10   7 2.4 14.3   0.2 1407 WNW | 300 0.00 0.00 - - 0   0
Diamond Mtn (Schramsberg) 8/30/25 99.5   6.3 1500 61.2   7.2 0153 44.0   6.0 71   15 10   7 - - - - 0.00 0.00 - - 0   0
Diamond Mtn (McEachran) 8/30/25 100.1   7.5 1439 58.5   5.4 0537 44.2   5.7 77   12 10   6 - - - - - - - - 0   0
St. Helena-North 8/30/25 102.3   4.5 1536 53.8   2.2 0626 42.5   6.7 81   2 8   6 1.5 12.1   1.3 1537 NNW | 331 0.00 0.00 0.172   0.007 469   5 0   0
St. Helena (NVV Office) 8/30/25 103.3   9.2 1530 54.1   2.0 0658 - - - 1.0 8.3   3.2 1607 SW | 232 0.00 0.00 - - 0   0
Tiara Fria (East St. Helena) 8/30/25 102.0   11.9 1600 52.2   2.4 0648 47.2   5.1 88   0 11   20 1.4 9.6   1.1 1717 W | 263 0.00 0.00 - - 0   0
Rutherford Hill Estate 8/30/25 104.9   14.6 1608 56.1   2.9 0711 47.6   6.2 90   10 10   21 1.3 11.2   1.8 1755 WNW | 298 0.00 0.00 0.168   0.011 473   3 0   0
Rutherford-North (Mee Ln) 8/30/25 102.5   12.7 1637 49.0   2.5 0638 47.9   3.8 90   1 11   20 1.5 11.4   3.5 1803 W | 274 0.00 0.00 0.184   0.008 497   10 0   0
Rutherford (STS) 8/30/25 105.3   11.7 1458 49.2   2.1 0645 51.4   3.5 94   0 14   19 1.6 11.3   2.6 1724 W | 263 0.00 0.00 0.212   0.021 584   10 0   0
Oakville-NE (Ranch 88) 8/30/25 103.2   12.2 1517 48.6   2.5 0616 45.0   4.4 81   2 9   20 1.0 9.4   5.4 1621 NNW | 343 0.00 0.00 0.190   0.006 547   7 90   10
OV561-East 8/30/25 104.5   12.5 1528 50.0   3.2 0617 - - - - - - - - - - - 0   0
Oakville 8/30/25 101.3   13.5 1510 47.7   2.5 0655 46.2   4.4 84   3 11   22 1.6 13.9   1.0 1606 NE | 35 0.00 0.00 0.206   0.012 579   5 60   10
OV518-West 8/30/25 99.5   13.1 1615 48.0   1.9 0628 - - - - - - - - - - - 70   10
To Kalon Remote (TKKE) 8/30/25 103.4   12.5 1606 49.5   2.2 0613 - - - - - - - - - - - 0   0
To Kalon 8/30/25 102.7   14.6 1543 50.6   2.4 0630 47.6   5.4 93   2 12   23 1.5 11.1   5.0 1710 SW | 229 0.00 0.00 0.202   0.007 560   4 30   10
To Kalon Remote (TKN5) 8/30/25 101.9   11.7 1543 49.8   2.5 0645 - - - - - - - - - - - 0   0
Yountville (Ranch 67) 8/30/25 100.4   14.0 1623 48.3   1.5 0620 46.9   3.9 89   1 11   22 1.5 10.3   4.9 1707 SW | 226 0.00 0.00 0.201   0.003 603   11 70   10
Stags Leap Dist (Silverado Vineyards) 8/30/25 102.1   16.8 1641 48.3   1.2 0639 47.4   3.9 93   1 10   24 0.9 9.4   5.5 1424 S | 172 0.00 0.00 0.187   0.007 563   0 100   10
Borreo (Soda Canyon) 8/30/25 99.6   14.8 1717 50.7   3.3 0618 45.3   5.5 92   4 10   23 1.5 12.4   2.2 1644 SE | 126 0.00 0.00 0.202   0.017 590   2 100   10
Wappo Hill Floor 8/30/25 103.4   16.7 1640 49.0   1.7 0636 45.8   5.8 84   6 10   25 1.4 11.1   1.9 1655 NW | 307 0.00 0.00 0.192   0.011 529   2 60   10
Stags Leap Dist (Chimney Rock) 8/30/25 104.3   18.5 1608 47.7   1.1 0630 - - - 1.3 11.4   1.8 1658 W | 260 0.00 0.00 0.177   0.009 500   2 90   10
Yountville-South (Ranch 87) 8/30/25 102.0   14.3 1546 49.2   1.9 0648 50.9   2.6 94   2 13   23 0.9 8.5   2.8 1510 SE | 131 0.00 0.00 0.170   0.008 480   10 0   0
Yountville-SE (Ranch 85) 8/30/25 101.6   16.8 1650 49.9   2.1 0612 49.6   3.8 92   2 11   26 1.5 12.3   0.0 1702 NNW | 341 0.00 0.00 - 0   0 90   10
Oak Knoll-East (Ranch 53) 8/30/25 103.3   18.3 1702 50.3   2.8 0612 48.7   3.2 91   1 10   25 1.0 12.8   0.8 1620 S | 187 0.00 0.00 0.184   0.006 543   1 90   10
Napa-NW (Ranch 54) 8/30/25 104.0   14.7 1555 50.7   2.1 0653 47.8   4.3 88   1 10   19 0.7 11.6   3.7 1624 WSW | 238 0.00 0.00 - 0   0 30   10
Napa-North (Ranch 29) 8/30/25 100.9   17.8 1543 49.9   1.8 0610 50.0   3.8 100   0 12   25 1.2 11.3   1.1 1626 SSE | 160 0.00 0.00 0.129   0.014 310   6 90   10
Max   105.3 - 61.2 - 51.4 100 14 2.4 14.3 - - 0.00 0.00 0.212 603 -
Avg   - - - - 47.2 - - 1.3 - - - - - - - -
Min   99.5 - 47.7 - 42.5 71 8 0.7 8.3 - - 0.00 0.00 0.129 0 -