Southern Napa County

22 Stations

Daily Data | America/Los_Angeles
as of 9/18/26 1:45 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)
Mt. Veeder 9/16/26 67.2   11.7 1324 49.1   2.4 0646 49.8   0.3 100   6 54   18 2.3 15.8   4.5 1316 S | 184 0.00 0.45 0.276   0.055 1,369   453 90   10
Mount George (Napa East) 9/17/26 77.3   5.3 1358 52.1   4.4 0101 52.6   1.7 91   2 46   6 1.4 10.6   8.8 1318 WSW | 249 0.00 0.16 0.110   0.019 374   85 80   10
Napa-East (Palmaz 300') 9/17/26 78.9   4.7 1434 52.7   2.1 0055 52.1   0.1 92   3 39   6 1.3 15.1   0.7 1434 SW | 230 0.00 0.16 0.105   0.020 336   81 100   10
Napa-East (Palmaz 1200') 9/14/26 80.8   4.1 1344 47.1   4.1 0557 46.5   1.6 92   8 29   22 2.4 12.0   0.9 1614 SW | 226 - - 0.153   0.004 498   20 20   20
Napa-East (Palmaz 1400') 9/17/26 71.5   3.5 1426 51.4   0.5 0359 52.1   0.3 100   0 50   9 2.1 11.5   5.0 1506 SSW | 198 0.00 0.33 0.100   0.009 361   55 70   10
Wooden Valley 9/17/26 73.6   3.5 1452 49.2   4.5 0627 49.7   0.6 94   8 43   8 2.5 14.6   9.2 1812 S | 176 0.00 0.04 0.120   0.018 401   80 80   10
Napa-West Upper (Truchard) 9/17/26 77.0   1.2 1536 54.2   1.8 0120 52.6   0.1 98   2 42   1 2.4 13.6   7.3 1813 S | 181 0.00 0.10 0.172   0.037 710   153 80   10
Napa-West Lower (Truchard) 9/17/26 78.4   3.1 1532 48.6   2.0 0059 51.2   0.6 88   4 40   3 - - - - - - - - 80   10
Napa-South (Toyon Farms) 9/17/26 75.0   1.8 1500 54.8   1.7 0059 54.6   0.4 91   4 52   0 2.9 14.0   6.4 1559 S | 176 0.00 0.07 0.068   0.012 191   56 70   10
Toyon Remote 1 9/17/26 76.0   1.0 1500 50.3   0.3 0053 - - - - - - - - - - - -
Toyon Remote 2 9/17/26 75.7   2.4 1534 51.4   0.3 0037 - - - - - - - - - - - -
Toyon Remote 3 9/17/26 76.1   0.8 1530 50.5   0.3 0056 - - - - - - - - - - - -
Dealy Lane (Ranch 80) 9/17/26 75.3   1.2 1553 52.2   2.6 0039 51.8   0.0 88   1 45   0 2.3 12.5   6.4 1909 NW | 309 0.00 0.08 0.096   0.032 299   144 80   10
Carneros (Saintsbury) 9/17/26 73.9   1.0 1504 52.6   1.6 0048 52.1   0.3 87   8 46   0 3.8 14.4   8.1 1845 W | 269 0.00 0.08 - - 70   10
Suscol Lower (Ranch 35) 9/17/26 74.3   3.0 1457 52.3   1.4 0055 52.0   0.2 89   1 44   4 3.8 14.5   7.5 1830 SSW | 197 0.00 0.15 0.112   0.022 322   92 70   10
Suscol Mtn (Ranch 93) 9/17/26 75.3   3.5 1341 53.8   1.1 0101 52.4   0.2 94   1 49   6 5.7 17.7   9.4 1438 NW | 310 0.00 0.33 - - 60   10
Suscol Upper (Ranch 92) 9/17/26 72.0   3.7 1520 54.1   0.7 0109 52.4   0.5 93   7 49   6 2.2 17.1   5.6 1552 SW | 234 0.00 0.15 - - 20   10
Stanly (Ranch 45) 9/17/26 74.9   3.2 1532 51.6   1.0 0049 52.5   0.4 89   3 46   3 4.4 14.5   9.2 1822 WSW | 238 0.00 0.15 0.119   0.016 345   90 80   10
Carneros Upper (Ranch 81) 9/17/26 74.0   1.8 1641 56.2   1.3 0103 52.3   0.6 - - 5.8 25.2   5.5 1855 W | 261 - - - - 70   10
Carneros (Mitsuko) 9/17/26 74.3   0.3 1540 47.7   2.1 0101 - - - - - - - - - - - 70   10
Carneros Lower (Ranch 81) 9/17/26 76.4   3.2 1552 56.0   1.7 0101 53.4   0.6 89   3 45   6 1.4 11.6   7.8 1717 SSE | 167 0.00 0.01 0.020   0.003 4   1 70   10
Carneros (Milton Rd) 9/17/26 73.6   0.5 1534 51.7   3.6 0029 52.6   0.5 87   5 47   0 - - - - 0.00 0.00 - - 70   10
Max   78.9 - 56.2 - 54.6 100 52 5.8 25.2 - - 0.00 0.33 0.172 710 -
Avg   - - - - 52.3 - - 3.0 - - - - - - - -
Min   71.5 - 47.7 - 49.7 87 39 1.3 10.6 - - 0.00 0.00 0.020 4 -