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Latest Observation

13 Stations

Daily Data | America/Los_Angeles
as of 8/6/26 7:41 PM PDT
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)
Montesol 8/5/26 94.0   2.0 1339 56.5   5.2 0526 - - - - - - - 0.00 0.00 - - 0   0
Pope Valley (Weeks Lake) 8/5/26 96.1   5.6 1525 50.2   3.9 0641 51.5   2.8 100   0 18   0 1.8   0.2 13.6   1.1 1441 SW | 231 0.00 0.00 0.216   0.007 605   5 0   0
Dollarhide Base 8/5/26 99.0   4.2 1558 57.5   2.0 0641 55.8   2.5 86   4 26   3 3.3   0.1 13.8   1.5 1450 SSW | 199 0.00 0.00 0.255   0.013 672   4 0   0
Dollarhide 1AS Remote 8/5/26 99.4   5.1 1610 53.8   1.6 0638 55.3   1.2 90   2 25   4 3.5   0.4 16.4   1.8 1451 SW | 220 - - - - 0   0
Dollarhide 16A Remote 8/5/26 96.6   4.8 1611 55.1   4.2 0623 56.1   2.6 91   1 28   3 - - - - - - - - 0   0
Dollarhide 18A Remote 8/5/26 96.1   4.7 1630 50.0   4.0 0624 54.9   2.2 97   1 24   1 - - - - - - - - 0   0
Hardin Rd (Eakle) 8/5/26 97.7   4.1 1554 54.3   2.4 0629 - - - - - - - - - - - 0   0
Angwin 8/5/26 87.2   5.3 1549 68.3   2.4 2039 47.6   1.8 51   4 12   10 2.8   0.2 12.4   0.3 1422 SE | 138 0.00 0.00 0.064   0.000 0   0 100   0
Lower Angwin (Pioneer) 8/5/26 88.0   4.8 1523 45.9   6.5 0456 - - - 2.0   0.0 12.0   0.4 1542 NW | 308 - - - - 10   10
Las Posadas (Cal Fire) 8/5/26 91.0   4.0 1619 52.4   3.7 0638 53.5   1.5 95   1 33   5 9.0   0.9 21.4   1.5 2212 WSW | 237 0.00 0.00 0.249   0.028 603   2 -
Deer Park 8/5/26 93.9   2.3 1536 55.2   1.9 0328 53.9   2.1 93   3 27   1 4.2   1.2 12.8   0.1 0709 NW | 320 0.00 0.00 0.173   0.012 438   8 0   0
Lower Chiles Valley (Brown) 8/5/26 93.3   3.2 1639 54.8   2.6 0607 54.6   1.7 94   6 23   1 3.7   0.1 14.3   1.7 1400 NW | 312 0.00 0.00 0.226   0.008 642   14 0   0
Moss Creek Vineyard/Reservior 8/5/26 99.7   3.8 1455 54.2   5.0 0643 52.5   3.0 89   3 13   7 - - - - 0.00 0.00 - - 0   0
Max   99.7 - 68.3 - 56.1 100 33 9.0 21.4 - - 0.00 0.00 0.255 672 -
Avg   - - - - 53.6 - - 3.8 - - - - - - - -
Min   87.2 - 45.9 - 47.6 51 12 1.8 12.0 - - 0.00 0.00 0.064 0 -

Northern & Central Napa County

27 Stations

Daily Data | America/Los_Angeles
as of 8/6/26 7:41 PM PDT
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 8/5/26 94.4   6.9 1458 56.5   0.4 0059 55.2   2.2 92   4 27   1 - - - - 0.00 0.00 - - 0   0
Diamond Mtn (Schramsberg) 8/5/26 92.4   4.5 1611 53.3   4.3 0308 50.6   4.2 93   7 13   11 - - - - 0.00 0.00 - - 0   0
Diamond Mtn (McEachran) 8/5/26 90.9   7.7 1508 55.4   2.2 0057 51.9   4.4 93   1 18   6 - - - - - - - - 0   0
St. Helena-North 8/5/26 97.1   1.7 1624 57.0   1.6 0343 52.9   2.1 82   4 23   4 2.0 9.9   3.5 0526 WNW | 296 0.00 0.00 0.193   0.024 555   1 0   0
St. Helena (NVV Office) 8/5/26 94.7   0.6 1630 57.1   3.3 0426 - - - 1.9 9.7   0.3 1552 E | 88 0.00 0.00 - - 0   0
Tiara Fria (East St. Helena) 8/5/26 90.8   0.2 1534 56.2   2.5 0238 55.7   2.1 88   1 34   0 3.0 11.9   1.1 0621 W | 275 0.00 0.00 - - 0   0
Prisoner Winery 8/5/26 94.3   1.4 1535 53.8   1.5 0228 55.6   1.8 96   1 30   0 1.8 9.1   0.3 0846 N | 349 0.00 0.00 0.210   0.043 633   138 0   0
Rutherford Hill Estate 8/5/26 92.0   1.6 1656 53.9   3.1 0545 55.5   2.0 94   6 33   0 1.5 10.7   4.8 1659 S | 176 0.00 0.00 0.182   0.003 551   4 0   0
Rutherford-North (Mee Ln) 8/5/26 89.9   0.7 1511 52.7   0.2 0257 54.8   1.8 90   3 34   1 2.9 13.8   3.3 1622 SE | 138 0.00 0.00 0.194   0.007 535   15 0   0
Rutherford (STS) 8/5/26 92.4   1.8 1509 51.7   0.8 0527 57.2   1.6 91   0 38   1 2.1 11.9   2.8 1716 SE | 135 0.00 0.00 0.213   0.011 630   32 0   0
Oakville-NE (Ranch 88) 8/5/26 90.8   0.5 1500 50.2   2.6 0504 53.0   1.9 88   2 32   0 2.2 15.6   0.3 1909 S | 182 0.00 0.00 0.203   0.008 571   21 90   20
OV561-East 8/5/26 91.7   0.4 1602 52.3   3.0 0505 - - - - - - - - - - - 0   0
Oakville 8/5/26 87.2   0.5 1503 50.8   3.2 0445 54.3   2.1 91   0 37   0 3.4 17.8   1.7 1915 SSE | 162 0.00 0.00 0.217   0.006 622   23 30   10
OV518-West 8/5/26 86.3   1.0 1509 51.4   3.0 0443 - - - - - - - - - - - 30   10
To Kalon Remote (TKKE) 8/5/26 90.6   1.2 1452 52.0   2.5 0430 - - - - - - - - - - - 0   0
To Kalon 8/5/26 87.7   1.7 1459 51.5   2.9 0506 55.5   1.9 94   1 39   1 3.0 16.1   2.3 1523 SE | 141 0.00 0.00 0.209   0.009 591   30 0   0
To Kalon Remote (TKN5) 8/5/26 90.6   1.4 1516 51.5   3.1 0453 - - - - - - - - - - - 0   0
Yountville (Ranch 67) 8/5/26 85.0   0.7 1506 50.0   3.0 0432 53.4   1.9 91   0 38   1 3.5 16.6   2.7 1926 SSE | 158 0.00 0.00 0.215   0.008 663   3 70   20
Stags Leap Dist (Silverado Vineyards) 8/5/26 85.8   1.4 1548 50.9   2.8 0417 53.6   1.9 92   1 37   0 3.0 16.3   2.3 1718 SSE | 162 0.00 0.00 0.212   0.007 618   14 50   10
Borreo (Soda Canyon) 8/5/26 84.8   1.6 1456 49.0   2.9 0445 52.8   1.6 95   1 37   0 1.8 10.0   0.3 1918 S | 183 0.00 0.00 0.209   0.005 666   5 50   10
Wappo Hill Floor 8/5/26 86.5   0.7 1511 49.8   2.5 0411 55.0   1.7 100   0 39   0 3.0 13.2   2.2 1537 S | 178 0.00 0.00 0.210   0.003 630   10 10   10
Stags Leap Dist (Chimney Rock) 8/5/26 84.8   1.4 1443 50.4   2.6 0417 56.5   1.6 97   1 46   0 2.6 13.4   1.2 1634 S | 176 0.00 0.00 0.185   0.005 563   14 70   20
Yountville-South (Ranch 87) 8/5/26 87.2   2.1 1447 50.8   2.9 0445 55.2   1.6 93   0 38   1 1.6 11.3   0.8 1454 SSE | 163 0.00 0.00 0.199   0.006 621   12 0   0
Yountville-SE (Ranch 85) 8/5/26 84.5   0.7 1539 52.2   1.0 0431 55.7   1.6 95   1 42   1 2.9 13.8   0.7 1546 SSE | 161 0.00 0.00 - 0   0 100   20
Oak Knoll-East (Ranch 53) 8/5/26 84.9   0.9 1455 52.2   1.9 0519 54.4   1.4 91   1 38   0 2.6 15.2   1.4 1451 SE | 139 0.00 0.00 0.207   0.007 639   29 10   10
Napa-NW (Ranch 54) 8/5/26 87.8   1.4 1626 51.5   2.3 0424 54.6   1.7 93   1 37   1 0.6 6.8   0.4 1542 SSE | 156 0.00 0.00 - 0   0 0   0
Napa-North (Ranch 29) 8/5/26 82.8   0.6 1629 52.0   2.6 0514 55.6   1.4 100   0 43   1 1.8 14.1   1.8 1749 SSW | 199 0.00 0.00 0.135   0.002 392   12 100   20
Max   97.1 - 57.1 - 57.2 100 46 3.5 17.8 - - 0.00 0.00 0.217 666 -
Avg   - - - - 54.5 - - 2.4 - - - - - - - -
Min   82.8 - 49.0 - 50.6 82 13 0.6 6.8 - - 0.00 0.00 0.135 0 -

Southern Napa County

22 Stations

Daily Data | America/Los_Angeles
as of 8/6/26 7:41 PM PDT
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 8/5/26 90.1   4.0 1535 51.5   9.1 0624 52.2   2.1 95   15 25   4 1.4 9.9   0.3 1443 ESE | 116 0.00 0.00 0.186   0.014 585   22 50   10
Mount George (Napa East) 8/5/26 84.6   0.6 1438 54.4   2.7 0101 55.4   0.3 92   0 41   1 2.0 10.0   1.1 1444 W | 272 0.00 0.00 0.190   0.009 604   33 100   20
Napa-East (Palmaz 300') 8/5/26 87.4   1.7 1442 53.6   0.1 0332 54.5   1.3 94   6 35   0 1.9 10.4   0.7 1455 WSW | 242 0.00 0.00 0.177   0.005 522   10 0   0
Napa-East (Palmaz 1200') 7/3/26 79.0   6.0 1616 49.0   3.8 0539 47.1   0.2 100   0 45   38 2.0 12.7   4.5 1533 NW | 313 - - 0.192   0.009 656   3 30   20
Napa-East (Palmaz 1400') 8/5/26 82.7   2.6 1456 52.4   2.8 0535 53.9   1.3 100   5 41   1 3.2 11.3   0.1 1442 SW | 233 0.00 0.00 0.193   0.010 622   22 100   20
Wooden Valley 8/5/26 87.3   2.3 1702 54.6   6.4 0642 52.1   1.9 89   18 32   0 4.8 16.4   1.2 0328 SSW | 213 0.00 0.00 0.228   0.012 667   8 10   10
Napa-West Upper (Truchard) 8/5/26 83.8   1.2 1554 51.8   2.6 0510 31.0   6.3 100   0 0   0 3.2 15.6   0.3 1856 ESE | 116 0.00 0.00 0.213   0.000 629   21 80   20
Napa-West Lower (Truchard) 8/5/26 82.7   1.8 1546 46.1   2.4 0534 53.0   1.6 94   0 42   1 - - - - - - - - 100   20
Napa-South (Toyon Farms) 8/5/26 80.6   1.5 1423 54.1   0.8 0312 57.1   1.2 98   2 52   1 4.2 15.8   0.7 1847 SSE | 163 0.00 0.00 0.115   0.005 333   12 100   0
Toyon Remote 1 8/5/26 80.4   1.1 1546 49.4   1.6 0321 - - - - - - - - - - - -
Toyon Remote 2 8/5/26 80.2   1.3 1433 50.6   0.4 0308 - - - - - - - - - - - -
Toyon Remote 3 8/5/26 81.9   0.8 1621 49.4   0.9 0328 - - - - - - - - - - - -
Dealy Lane (Ranch 80) 8/5/26 81.8   1.9 1600 54.9   2.4 0304 54.5   0.9 92   3 43   1 3.1 14.7   0.1 1322 SE | 135 0.00 0.00 0.194   0.006 611   27 100   20
Carneros (Saintsbury) 8/5/26 79.3   0.7 1610 52.5   1.6 0404 54.4   0.6 94   6 47   1 5.6 16.7   0.5 1832 SSE | 163 0.00 0.00 - - 100   0
Suscol Lower (Ranch 35) 8/5/26 80.3   0.9 1542 52.6   2.2 0233 54.1   1.4 100   0 43   1 4.6 15.6   0.3 1906 SSE | 160 0.00 0.00 0.191   0.002 573   13 100   10
Suscol Mtn (Ranch 93) 8/5/26 83.0   2.6 1650 53.4   2.2 0333 54.6   1.7 98   1 43   2 6.0 15.8   2.3 1111 WNW | 301 0.00 0.00 - - 100   20
Suscol Upper (Ranch 92) 8/5/26 81.9   1.1 1545 53.9   1.9 0335 35.1   7.4 100   0 0   0 2.8 12.4   0.1 1102 WNW | 283 0.00 0.00 - - 100   20
Stanly (Ranch 45) 8/5/26 78.7   1.4 1426 51.6   0.4 0221 54.5   1.0 92   2 47   1 5.4 17.1   0.4 1848 WNW | 283 0.00 0.00 0.208   0.003 647   31 100   0
Carneros Upper (Ranch 81) 8/5/26 82.3   0.8 1603 55.3   1.0 0301 54.1   1.2 - - 9.4 25.4   3.9 2218 W | 266 - - - - 100   20
Carneros (Mitsuko) 8/5/26 79.4   1.3 1706 54.1   5.9 0249 - - - - - - - - - - - 100   0
Carneros Lower (Ranch 81) 8/5/26 81.9   0.5 1436 54.9   2.5 0302 55.4   0.4 93   1 44   1 1.8 12.6   1.2 1502 SSE | 164 0.00 0.00 0.193   0.002 604   25 100   10
Carneros (Milton Rd) 8/5/26 79.1   0.7 1427 53.4   3.9 0221 54.9   0.1 92   1 47   0 - - - - 0.00 0.00 - - 100   0
Max   90.1 - 55.3 - 57.1 100 52 9.4 25.4 - - 0.00 0.00 0.228 667 -
Avg   - - - - 51.8 - - 4.0 - - - - - - - -
Min   78.7 - 46.1 - 31.0 89 0 1.4 9.9 - - 0.00 0.00 0.115 333 -