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Latest Observation

13 Stations

Daily Data | America/Los_Angeles
as of 8/27/26 2:26 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 8/26/26 92.1   3.1 1632 51.7   3.5 0550 - - - - - - - 0.00 0.00 - - 20   10
Pope Valley (Weeks Lake) 8/26/26 96.9   3.2 1647 40.1   8.3 0647 41.5   2.7 100   9 7   5 1.4   0.5 10.5   5.7 1428 WSW | 243 0.00 0.00 0.195   0.001 564   35 0   0
Dollarhide Base 8/26/26 100.4   2.8 1627 50.4   5.2 0553 46.8   2.4 91   2 14   3 2.5   0.5 14.1   1.5 1701 WSW | 255 0.00 0.00 0.238   0.002 619   11 0   0
Dollarhide 1AS Remote 8/26/26 102.1   3.8 1622 41.0   9.2 0623 43.9   3.0 89   4 13   3 1.7   0.5 14.2   1.3 1719 WSW | 239 - - - - 0   0
Dollarhide 16A Remote 8/26/26 100.3   2.5 1514 47.8   7.1 0707 46.8   2.5 92   1 13   3 - - - - - - - - 0   0
Dollarhide 18A Remote 8/26/26 99.6   4.6 1512 39.1   9.5 0627 44.2   2.9 93   1 14   2 - - - - - - - - 0   0
Hardin Rd (Eakle) 8/26/26 98.9   4.3 1551 44.4   8.4 0646 - - - - - - - - - - - 0   0
Angwin 8/26/26 90.3   3.9 1626 65.9   0.2 0221 32.7   2.8 35   1 9   6 2.7   0.2 12.8   1.0 1508 S | 180 0.00 0.00 0.072   0.000 0   0 100   0
Lower Angwin (Pioneer) 8/26/26 90.9   2.6 1618 40.5   4.2 0602 - - - 1.5   0.1 11.2   1.2 1457 W | 270 - - - - 90   10
Las Posadas (Cal Fire) 8/26/26 94.5   4.1 1608 50.6   1.8 0350 45.0   2.1 83   15 15   1 6.4   1.1 21.1   0.6 2058 WSW | 256 0.00 0.00 0.256   0.015 550   13 -
Deer Park 8/26/26 98.5   3.7 1556 53.3   1.6 0612 46.6   1.7 82   13 9   1 2.8   0.2 12.9   0.7 1538 SSW | 212 0.00 0.00 0.183   0.010 415   6 0   0
Lower Chiles Valley (Brown) 8/26/26 94.8   3.0 1552 41.8   12.6 0637 42.5   4.6 95   5 8   6 2.8   1.4 14.1   1.4 1601 NW | 311 0.00 0.00 0.222   0.012 608   43 0   0
Moss Creek Vineyard/Reservior 8/26/26 101.2   3.6 1521 48.8   6.5 0705 42.7   4.0 86   4 5   2 - - - - 0.00 0.00 - - 0   0
Max   102.1 - 65.9 - 46.8 100 15 6.4 21.1 - - 0.00 0.00 0.256 619 -
Avg   - - - - 43.3 - - 2.7 - - - - - - - -
Min   90.3 - 39.1 - 32.7 35 5 1.4 10.5 - - 0.00 0.00 0.072 0 -

Northern & Central Napa County

27 Stations

Daily Data | America/Los_Angeles
as of 8/27/26 2:26 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 8/26/26 100.8   5.5 1500 46.0   8.9 0632 48.6   3.4 94   1 13   5 - - - - 0.00 0.00 - - 0   0
Diamond Mtn (Schramsberg) 8/26/26 95.5   2.9 1525 54.4   1.7 0611 45.0   1.3 78   22 8   0 - - - - 0.00 0.00 - - 0   0
Diamond Mtn (McEachran) 8/26/26 97.1   3.4 1543 52.3   1.9 0702 44.2   3.2 82   15 8   4 - - - - - - - - 0   0
St. Helena-North 8/26/26 99.7   3.1 1510 48.1   8.5 0636 42.8   3.4 85   2 6   0 2.0 11.8   1.1 1515 S | 191 0.00 0.00 0.188   0.006 527   29 0   0
St. Helena (NVV Office) 8/26/26 99.9   2.4 1622 48.7   8.4 0615 - - - 1.1 8.3   2.2 1700 W | 264 0.00 0.00 - - 0   0
Tiara Fria (East St. Helena) 8/26/26 96.3   1.8 1553 46.2   9.8 0639 48.0   2.1 88   1 13   1 1.4 11.4   1.2 1650 ESE | 115 0.00 0.00 - - 0   0
Prisoner Winery 8/26/26 99.3   4.1 1623 45.8   6.8 0511 49.1   0.7 94   2 15   7 1.1 7.2   2.8 1627 SE | 139 0.00 0.00 0.070   0.022 142   50 0   0
Rutherford Hill Estate 8/26/26 98.1   4.6 1512 52.0   3.8 0658 50.8   0.2 93   1 15   2 1.5 12.5   1.5 1644 S | 191 0.00 0.00 0.176   0.010 510   18 0   0
Rutherford-North (Mee Ln) 8/26/26 95.7   1.0 1539 43.4   8.6 0648 48.8   1.6 90   2 19   7 2.3 12.9   1.3 1639 SE | 138 0.00 0.00 0.193   0.020 505   25 0   0
Rutherford (STS) 8/26/26 98.1   3.6 1516 42.4   10.4 0629 52.0   1.4 93   2 22   5 1.6 13.1   1.5 1620 ESE | 119 0.00 0.00 0.209   0.015 607   43 0   0
Oakville-NE (Ranch 88) 8/26/26 96.1   2.7 1529 42.3   10.0 0643 47.1   3.5 86   2 18   3 1.6 11.7   0.4 1613 S | 188 0.00 0.00 0.186   0.017 516   40 90   10
OV561-East 8/26/26 98.0   1.9 1611 45.4   9.7 0655 - - - - - - - - - - - 0   0
Oakville 8/26/26 92.0   2.2 1522 43.6   10.3 0633 49.2   3.0 91   1 20   0 2.7 13.8   0.2 1928 SE | 146 0.00 0.00 0.215   0.026 586   56 80   10
OV518-West 8/26/26 92.0   2.4 1534 44.5   10.4 0644 - - - - - - - - - - - 80   10
To Kalon Remote (TKKE) 8/26/26 96.2   1.0 1531 44.3   9.8 0622 - - - - - - - - - - - 0   0
To Kalon 8/26/26 94.1   2.0 1646 45.7   8.3 0550 50.7   2.0 93   2 20   3 2.4 12.1   0.9 1518 SE | 139 0.00 0.00 0.208   0.025 555   49 70   10
To Kalon Remote (TKN5) 8/26/26 96.8   2.6 1614 45.3   9.6 0641 - - - - - - - - - - - 0   0
Yountville (Ranch 67) 8/26/26 91.5   2.9 1503 43.7   10.4 0618 48.9   3.5 90   0 21   3 2.4 16.0   3.1 1623 E | 95 0.00 0.00 0.213   0.021 641   47 80   10
Stags Leap Dist (Silverado Vineyards) 8/26/26 92.9   2.7 1625 44.3   10.2 0654 49.0   3.4 92   0 19   0 2.2 13.7   0.9 1601 SSE | 163 0.00 0.00 0.214   0.029 594   58 90   10
Borreo (Soda Canyon) 8/26/26 91.1   4.5 1522 45.5   5.6 0653 48.0   2.7 96   2 23   1 1.8 10.6   0.8 1527 SSE | 168 0.00 0.00 0.201   0.019 615   39 90   10
Wappo Hill Floor 8/26/26 92.5   2.4 1710 43.5   10.7 0638 50.0   3.9 100   0 19   0 2.0 12.4   0.6 1457 SSE | 149 0.00 0.00 0.203   0.014 577   30 80   10
Stags Leap Dist (Chimney Rock) 8/26/26 91.0   2.7 1556 43.5   10.3 0658 52.8   3.2 97   1 29   2 1.9 11.5   1.6 1512 S | 175 0.00 0.00 0.183   0.017 534   48 80   10
Yountville-South (Ranch 87) 8/26/26 93.5   2.5 1641 44.9   9.1 0639 51.3   2.6 95   5 19   0 1.3 10.4   0.9 1511 SSE | 158 0.00 0.00 0.182   0.005 541   7 0   0
Yountville-SE (Ranch 85) 8/26/26 90.4   1.8 1545 45.0   10.3 0643 51.9   2.6 95   1 25   4 2.0 12.7   0.9 1611 SSE | 156 0.00 0.00 - 0   0 80   10
Oak Knoll-East (Ranch 53) 8/26/26 92.9   3.3 1645 45.7   9.4 0646 50.1   2.5 88   4 16   0 1.7 12.6   0.4 1525 S | 186 0.00 0.00 0.203   0.019 611   65 80   10
Napa-NW (Ranch 54) 8/26/26 95.2   1.5 1652 47.0   6.3 0640 50.2   2.1 87   6 14   3 0.5 6.9   2.2 1603 E | 94 0.00 0.00 - 0   0 80   10
Napa-North (Ranch 29) 8/26/26 90.2   3.7 1653 46.8   9.1 0654 52.6   2.6 100   0 29   2 1.3 11.6   0.3 1553 S | 185 0.00 0.00 0.128   0.013 350   24 90   10
Max   100.8 - 54.4 - 52.8 100 29 2.7 16.0 - - 0.00 0.00 0.215 641 -
Avg   - - - - 49.1 - - 1.7 - - - - - - - -
Min   90.2 - 42.3 - 42.8 78 6 0.5 6.9 - - 0.00 0.00 0.070 0 -

Southern Napa County

22 Stations

Daily Data | America/Los_Angeles
as of 8/27/26 2:26 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 8/26/26 92.0   3.8 1434 61.1   5.3 0329 41.8   5.1 54   31 10   7 1.3 8.9   2.0 1507 SSE | 157 0.00 0.00 0.219   0.017 705   6 100   10
Mount George (Napa East) 8/26/26 88.9   7.2 1515 48.1   7.4 0620 51.7   4.0 96   1 26   5 1.2 8.0   0.4 1446 W | 260 0.00 0.00 0.188   0.018 591   64 80   10
Napa-East (Palmaz 300') 8/25/26 90.2   3.3 1549 54.9   1.7 0054 53.3   1.5 95   5 27   7 0.4 8.6   1.8 1530 SW | 230 0.00 0.00 0.136   0.012 425   56 60   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') 8/26/26 88.5   4.5 1452 51.5   0.9 0509 48.5   3.0 87   13 25   7 2.4 11.5   0.4 1623 SW | 224 0.00 0.03 0.196   0.023 584   35 90   10
Wooden Valley 8/26/26 93.1   4.3 1454 47.0   9.0 0658 45.0   4.0 88   1 15   6 3.0 14.5   0.9 1515 WNW | 285 0.00 0.00 0.222   0.028 598   44 40   10
Napa-West Upper (Truchard) 8/26/26 93.2   3.0 1643 51.6   1.6 0659 48.7   26.2 100   0 0   0 2.7 14.5   0.1 1651 SSE | 156 0.00 0.00 0.216   0.024 602   64 80   10
Napa-West Lower (Truchard) 8/26/26 92.9   3.2 1649 42.6   7.4 0618 49.6   1.6 96   2 17   1 - - - - - - - - 80   10
Napa-South (Toyon Farms) 8/26/26 91.3   4.0 1701 51.0   4.8 0713 56.0   0.1 99   2 24   5 2.8 14.0   0.2 1652 WSW | 240 0.00 0.00 0.117   0.009 278   5 80   10
Toyon Remote 1 8/26/26 92.7   2.4 1657 45.6   6.2 0655 - - - - - - - - - - - -
Toyon Remote 2 8/26/26 90.9   3.7 1653 44.6   8.4 0628 - - - - - - - - - - - -
Toyon Remote 3 8/26/26 94.1   3.0 1702 45.1   6.3 0656 - - - - - - - - - - - -
Dealy Lane (Ranch 80) 8/26/26 91.8   2.6 1625 46.4   7.9 0558 50.8   1.5 94   2 18   3 2.4 13.7   1.5 1506 SSE | 153 0.00 0.00 0.193   0.016 589   52 80   10
Carneros (Saintsbury) 8/26/26 90.3   3.8 1654 45.5   7.3 0652 51.8   1.0 96   4 17   7 3.2 13.9   0.5 1748 SW | 226 0.00 0.00 - - 90   10
Suscol Lower (Ranch 35) 8/26/26 87.8   4.9 1444 49.2   6.3 0646 53.0   1.0 100   7 28   2 4.1 13.2   0.4 1453 SSW | 212 0.00 0.00 0.194   0.020 556   65 90   10
Suscol Mtn (Ranch 93) 8/26/26 91.0   5.3 1507 53.0   0.5 0647 53.2   0.6 97   3 25   7 3.6 14.5   0.8 1628 WNW | 293 0.00 0.00 - - 90   10
Suscol Upper (Ranch 92) 8/26/26 88.9   6.8 1517 52.5   1.7 0709 38.0   18.1 100   0 0   0 1.7 11.0   3.0 1616 SSW | 205 0.00 0.00 - - 90   10
Stanly (Ranch 45) 8/25/26 85.3   8.1 1757 54.4   4.5 0409 53.8   0.8 92   2 26   22 4.4 15.5   0.3 1728 SSW | 205 0.00 0.00 0.196   0.004 578   61 100   0
Carneros Upper (Ranch 81) 8/26/26 89.4   0.9 1355 53.7   2.1 0434 51.7   0.1 - - 4.8 20.5   2.3 2052 W | 263 - - - - 80   10
Carneros (Mitsuko) 8/26/26 90.6   1.7 1651 42.8   8.0 0620 - - - - - - - - - - - 80   10
Carneros Lower (Ranch 81) 8/26/26 92.8   3.9 1648 46.9   9.4 0656 50.7   2.9 100   7 0   19 1.4 12.2   0.7 1452 SSE | 156 0.00 0.00 0.029   0.009 1   8 80   10
Carneros (Milton Rd) 8/26/26 88.9   2.9 1728 44.6   6.3 0633 52.0   1.7 93   1 21   5 - - - - 0.00 0.00 - - 90   10
Max   94.1 - 61.1 - 56.0 100 28 4.8 20.5 - - 0.00 0.03 0.222 705 -
Avg   - - - - 49.5 - - 2.7 - - - - - - - -
Min   87.8 - 42.6 - 38.0 54 0 1.2 8.0 - - 0.00 0.00 0.029 1 -