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Latest Observation

13 Stations

Daily Data | America/Los_Angeles
as of 9/8/26 9:42 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 9/7/26 85.7   6.4 1702 49.6   5.3 0429 - - - - - - - 0.00 0.82 - - 80   20
Pope Valley (Weeks Lake) 9/7/26 89.1   6.2 1527 39.9   2.9 0634 42.4   0.2 100   0 14   8 1.5   0.3 13.2   1.1 1419 ESE | 114 0.00 0.03 0.171   0.003 512   2 50   10
Dollarhide Base 9/7/26 92.1   6.1 1530 48.0   3.6 0706 47.4   0.5 96   0 18   5 2.3   0.6 17.0   0.2 1345 E | 85 0.00 0.00 0.199   0.004 553   3 20   10
Dollarhide 1AS Remote 9/7/26 94.0   7.2 1634 39.9   2.0 0656 43.3   0.1 91   0 16   6 1.5   0.7 16.4   0.4 1343 ENE | 69 - - - - 40   10
Dollarhide 16A Remote 9/7/26 92.4   6.1 1546 46.3   3.4 0710 47.5   0.9 97   1 18   5 - - - - - - - - 20   10
Dollarhide 18A Remote 9/7/26 92.7   8.3 1645 38.0   2.7 0646 43.3   0.3 95   0 17   6 - - - - - - - - 50   10
Hardin Rd (Eakle) 9/7/26 91.2   6.0 1545 43.0   2.6 0648 - - - - - - - - - - - 50   10
Angwin 9/7/26 83.2   8.3 1629 58.4   5.4 0628 40.4   1.5 54   11 16   12 4.1   1.6 16.2   2.7 0554 N | 3 0.00 0.30 0.065   0.025 0   0 50   20
Lower Angwin (Pioneer) 9/7/26 84.7   8.2 1717 49.9   14.3 2209 - - - 2.6   0.8 12.0   2.0 0953 NE | 37 - - - - 100   10
Las Posadas (Cal Fire) 9/7/26 86.8   7.1 1627 52.6   6.5 0149 43.7   1.3 80   12 17   6 5.2   2.2 18.6   0.6 0932 NNE | 26 0.00 0.23 0.208   0.010 511   9 -
Deer Park 9/7/26 91.3   7.4 1536 52.7   2.8 0537 45.0   1.5 94   4 14   5 3.1   0.2 13.4   1.5 1438 SSE | 155 0.00 0.04 0.171   0.023 381   1 70   10
Lower Chiles Valley (Brown) 9/7/26 89.6   8.8 1519 40.0   2.1 0638 41.6   2.0 100   0 15   10 1.9   0.5 16.1   0.4 1543 E | 98 0.00 0.14 0.195   0.017 563   0 50   10
Moss Creek Vineyard/Reservior 9/7/26 88.9   4.0 1755 45.6   3.1 0714 44.1   0.2 94   0 16   1 - - - - 0.00 0.04 - - 50   10
Max   94.0 - 58.4 - 47.5 100 18 5.2 18.6 - - 0.00 0.82 0.208 563 -
Avg   - - - - 43.9 - - 2.8 - - - - - - - -
Min   83.2 - 38.0 - 40.4 54 14 1.5 12.0 - - 0.00 0.00 0.065 0 -

Northern & Central Napa County

27 Stations

Daily Data | America/Los_Angeles
as of 9/8/26 9:42 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 9/7/26 94.9   9.9 1501 46.1   3.5 0655 48.4   0.4 96   1 18   10 - - - - 0.00 0.09 - - 70   10
Diamond Mtn (Schramsberg) 9/7/26 87.9   6.5 1557 54.0   3.4 0514 43.9   2.1 88   3 14   9 - - - - 0.00 0.13 - - 40   10
Diamond Mtn (McEachran) 9/7/26 91.4   9.1 1539 50.4   2.2 0640 45.3   0.8 92   4 13   11 - - - - - - - - 30   10
St. Helena-North 9/7/26 92.0   6.6 1547 47.2   3.0 0704 42.5   1.6 89   1 11   9 1.9 12.7   1.5 1511 SSE | 150 0.00 0.11 0.168   0.018 479   3 50   10
St. Helena (NVV Office) 9/7/26 95.9   8.9 1610 47.9   3.1 0637 - - - 1.0 9.2   1.5 1252 ENE | 71 0.00 0.04 - - 40   10
Tiara Fria (East St. Helena) 9/7/26 91.4   7.6 1715 45.7   3.3 0700 44.6   1.0 91   1 14   5 1.6 9.9   2.4 1856 W | 267 0.00 0.02 - - 70   10
Prisoner Winery 9/7/26 95.3   9.2 1640 46.1   3.2 0637 44.9   1.6 97   0 12   7 1.2 10.6   0.7 1402 SSW | 212 0.00 0.06 0.037   0.008 11   11 20   10
Rutherford Hill Estate 9/7/26 93.3   8.9 1646 51.6   3.1 0745 47.2   1.8 94   6 15   7 1.5 9.6   3.5 1913 WNW | 288 0.00 0.08 0.156   0.008 456   3 70   10
Rutherford-North (Mee Ln) 9/7/26 93.4   8.9 1555 43.2   2.3 0653 44.9   1.1 93   1 14   6 1.7 12.7   3.1 1537 S | 171 0.00 0.06 0.172   0.005 491   4 70   10
Rutherford (STS) 9/7/26 94.3   8.6 1616 43.5   3.1 0619 48.2   0.6 92   0 18   7 1.5 9.2   5.3 1455 ESE | 113 0.00 0.05 0.186   0.006 564   6 90   10
Oakville-NE (Ranch 88) 9/7/26 93.6   9.0 1613 42.1   2.8 0636 43.0   0.8 87   1 15   5 0.8 10.2   7.0 1811 SW | 226 0.00 0.04 0.157   0.006 478   5 90   10
OV561-East 9/7/26 96.3   11.9 1654 44.6   2.5 0641 - - - - - - - - - - - 70   10
Oakville 9/7/26 92.5   10.1 1612 43.6   2.8 0652 45.3   0.9 91   1 17   4 1.6 13.4   4.5 1458 SSW | 198 0.00 0.03 0.184   0.000 558   0 90   10
OV518-West 9/7/26 90.2   9.8 1811 45.1   3.3 0624 - - - - - - - - - - - 90   10
To Kalon Remote (TKKE) 9/7/26 93.7   8.9 1633 45.1   3.0 0643 - - - - - - - - - - - 90   10
To Kalon 9/7/26 92.6   8.5 1522 45.4   2.9 0655 46.3   0.6 96   0 16   6 1.6 9.6   3.7 1628 SE | 140 0.00 0.00 0.179   0.005 540   2 90   10
To Kalon Remote (TKN5) 9/7/26 92.7   8.4 1631 45.6   3.3 0630 - - - - - - - - - - - 90   10
Yountville (Ranch 67) 9/7/26 89.3   9.5 1542 43.2   2.1 0651 44.7   1.5 91   0 18   11 1.7 12.1   8.2 1500 S | 182 0.00 0.05 0.187   0.007 596   5 90   10
Stags Leap Dist (Silverado Vineyards) 9/7/26 90.2   10.3 1545 44.1   1.7 0644 44.7   2.0 94   1 17   11 1.2 12.4   3.9 1350 S | 171 0.00 0.07 0.182   0.007 550   1 100   0
Borreo (Soda Canyon) 9/7/26 88.6   11.4 1633 47.3   3.3 0632 46.6   0.8 98   0 17   13 1.7 11.4   1.9 1346 ESE | 122 0.00 0.31 0.163   0.009 484   95 90   20
Wappo Hill Floor 9/7/26 91.6   11.3 1621 43.9   2.9 0638 46.2   2.1 100   0 17   13 1.6 11.9   5.9 1622 WSW | 239 0.00 0.10 0.180   0.007 524   2 90   10
Stags Leap Dist (Chimney Rock) 9/7/26 90.6   11.0 1557 44.0   2.5 0701 49.8   0.2 99   0 24   12 1.5 11.5   3.5 1502 SSW | 212 0.00 0.10 0.168   0.012 498   2 90   10
Yountville-South (Ranch 87) 9/7/26 91.1   9.2 1444 45.0   2.8 0702 47.0   1.2 100   0 17   11 1.2 11.0   4.5 1549 S | 174 0.00 0.09 0.160   0.005 461   6 90   10
Yountville-SE (Ranch 85) 9/7/26 91.3   11.9 1641 45.6   3.5 0704 47.4   1.5 94   1 18   13 1.0 10.2   7.0 1650 SSE | 163 0.00 0.08 - 0   0 90   10
Oak Knoll-East (Ranch 53) 9/7/26 91.7   12.1 1605 47.2   4.3 0434 46.3   1.4 91   1 16   13 1.2 9.7   6.3 1434 S | 185 0.00 0.15 0.183   0.006 570   10 90   10
Napa-NW (Ranch 54) 9/7/26 92.8   10.6 1707 49.0   4.6 0641 47.2   0.8 92   1 15   12 0.7 8.2   2.7 1330 SW | 220 0.00 0.18 - 0   0 90   10
Napa-North (Ranch 29) 9/7/26 91.4   13.1 1615 47.8   4.2 0429 49.5   0.6 100   0 18   15 1.3 10.5   6.1 1354 SSW | 202 0.00 0.10 0.128   0.008 346   4 90   10
Max   96.3 - 54.0 - 49.8 100 24 1.9 13.4 - - 0.00 0.31 0.187 596 -
Avg   - - - - 46.1 - - 1.4 - - - - - - - -
Min   87.9 - 42.1 - 42.5 87 11 0.7 8.2 - - 0.00 0.00 0.037 0 -

Southern Napa County

22 Stations

Daily Data | America/Los_Angeles
as of 9/8/26 9:42 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 9/7/26 83.8   6.4 1346 58.0   6.1 0120 42.8   1.9 70   9 20   4 2.1 10.9   0.6 1654 S | 181 0.00 0.45 0.205   0.035 703   41 50   20
Mount George (Napa East) 9/7/26 89.2   11.9 1601 52.2   10.0 0120 49.2   0.0 96   2 18   15 1.2 10.2   1.7 1258 WSW | 256 0.00 0.16 0.180   0.014 560   2 50   10
Napa-East (Palmaz 300') 9/7/26 95.0   13.7 1631 53.5   8.4 0601 49.1   0.4 100   0 16   14 1.8 11.7   2.2 1503 WSW | 244 0.00 0.16 0.174   0.015 506   5 90   10
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') 9/7/26 85.3   11.0 1424 48.4   2.4 0523 46.9   2.2 100   0 23   17 3.0 13.5   0.6 0746 N | 4 0.00 0.33 0.184   0.028 541   2 60   20
Wooden Valley 9/7/26 88.2   10.5 1545 44.1   2.4 0658 42.5   4.1 95   3 16   14 1.6 10.7   5.5 1453 E | 97 0.00 0.04 0.180   0.005 548   3 40   10
Napa-West Upper (Truchard) 9/7/26 93.3   12.6 1638 52.5   4.4 0521 21.5   0.3 100   0 0   0 1.7 11.3   9.2 1437 S | 190 0.00 0.10 0.194   0.008 561   2 90   10
Napa-West Lower (Truchard) 9/7/26 93.5   12.6 1635 44.9   5.1 0327 45.7   0.4 93   4 15   13 - - - - - - - - 90   10
Napa-South (Toyon Farms) 9/7/26 91.1   12.4 1607 52.9   5.0 0558 53.2   0.7 99   1 22   15 2.3 11.5   7.2 1519 S | 172 0.00 0.07 0.110   0.012 256   3 90   10
Toyon Remote 1 9/7/26 90.9   10.8 1623 48.4   6.2 0311 - - - - - - - - - - - -
Toyon Remote 2 9/7/26 91.1   11.4 1641 47.7   47.7 0252 - - - - - - - - - - - -
Toyon Remote 3 9/7/26 92.9   10.8 1645 0.0   41.3 0100 - - - - - - - - - - - -
Dealy Lane (Ranch 80) 9/7/26 91.0   10.4 1647 51.2   5.2 0303 48.3   0.0 96   0 15   12 2.2 12.3   4.5 1534 WSW | 238 0.00 0.08 0.179   0.010 542   5 90   10
Carneros (Saintsbury) 9/7/26 89.9   11.5 1545 49.3   6.7 0639 48.4   0.3 100   0 16   12 3.1 16.3   4.0 1645 SSE | 162 0.00 0.08 - - 70   10
Suscol Lower (Ranch 35) 9/7/26 89.4   12.0 1630 51.0   4.4 0636 49.4   1.0 100   0 16   16 3.6 13.2   6.8 1528 SSW | 210 0.00 0.15 0.193   0.020 520   4 90   10
Suscol Mtn (Ranch 93) 9/7/26 92.8   13.8 1557 53.3   2.3 0613 49.4   1.8 99   4 17   21 3.5 17.0   2.9 1431 WNW | 287 0.00 0.33 - - 90   20
Suscol Upper (Ranch 92) 9/7/26 89.3   13.7 1557 53.2   2.3 0628 23.7   26.4 100   0 0   0 1.7 14.3   5.4 1431 SW | 232 0.00 0.15 - - 0   10
Stanly (Ranch 45) 9/7/26 91.5   13.6 1753 50.2   8.2 0233 49.4   0.1 92   4 16   15 3.4 12.8   6.5 1435 SW | 220 0.00 0.15 0.186   0.022 491   1 90   10
Carneros Upper (Ranch 81) 9/7/26 91.4   13.4 1542 54.2   2.4 0729 37.1   12.7 - - 4.0 20.4   2.6 1845 W | 269 - - - - 50   10
Carneros (Mitsuko) 9/7/26 90.4   11.1 1622 45.4   5.8 0626 - - - - - - - - - - - 90   10
Carneros Lower (Ranch 81) 9/7/26 91.5   7.4 1454 49.3   5.7 0310 41.2   4.7 100   0 0   0 1.3 11.8   5.6 1706 SSE | 153 0.00 0.01 0.030   0.012 0   0 80   10
Carneros (Milton Rd) 9/7/26 89.8   11.4 1628 49.0   6.5 0632 48.8   0.0 92   2 16   13 - - - - 0.00 0.00 - - 90   10
Max   95.0 - 58.0 - 53.2 100 23 4.0 20.4 - - 0.00 0.45 0.205 703 -
Avg   - - - - 43.9 - - 2.4 - - - - - - - -
Min   83.8 - 0.0 - 21.5 70 0 1.2 10.2 - - 0.00 0.00 0.030 0 -