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Latest Observation

13 Stations

Daily Data | America/Los_Angeles
as of 8/5/26 7:24 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 8/4/26 96.0   4.2 1435 61.7   0.4 0055 - - - - - - - 0.00 0.00 - - 0   0
Pope Valley (Weeks Lake) 8/4/26 101.7   1.0 1537 54.1   0.5 0556 54.3   1.3 100   7 18   6 1.6   0.0 12.5   0.4 1800 S | 188 0.00 0.00 0.223   0.006 600   4 0   0
Dollarhide Base 8/4/26 103.2   4.0 1559 59.5   2.4 0624 58.3   1.6 90   4 23   8 3.4   0.5 15.3   1.0 1742 SSW | 213 0.00 0.00 0.268   0.016 668   14 0   0
Dollarhide 1AS Remote 8/4/26 104.5   6.1 1556 55.4   0.3 0604 56.5   2.1 89   1 21   9 3.1   0.8 14.6   4.6 1241 SSW | 206 - - - - 0   0
Dollarhide 16A Remote 8/4/26 101.4   0.6 1521 59.3   0.3 0613 58.7   1.2 90   3 25   6 - - - - - - - - 0   0
Dollarhide 18A Remote 8/4/26 100.8   0.6 1557 53.9   0.5 0553 57.1   0.9 98   1 23   6 - - - - - - - - 0   0
Hardin Rd (Eakle) 8/4/26 101.8   5.7 1543 56.7   0.5 0630 - - - - - - - - - - - 0   0
Angwin 8/4/26 92.5   4.3 1526 70.7   4.8 0002 49.4   4.3 47   10 23   10 2.6   1.1 12.1   0.5 1538 SSE | 151 0.00 0.00 0.064   0.031 0   0 100   0
Lower Angwin (Pioneer) 8/4/26 92.8   3.6 1604 52.4   5.6 0614 - - - 2.0   0.4 11.5   0.1 1717 W | 275 - - - - 20   10
Las Posadas (Cal Fire) 8/4/26 95.0   5.6 1542 56.0   3.7 0545 55.0   3.8 96   16 28   12 9.9   2.5 22.9   0.4 2217 SW | 234 0.00 0.00 0.277   0.046 601   6 -
Deer Park 8/4/26 96.2   5.7 1502 57.1   2.0 0622 56.0   0.9 95   9 28   10 3.0   0.1 12.9   1.1 1730 SSE | 154 0.00 0.00 0.185   0.022 446   10 0   0
Lower Chiles Valley (Brown) 8/4/26 96.5   6.7 1627 57.4   4.9 0642 56.3   4.6 100   6 24   14 3.8   0.6 16.0   1.7 1509 WNW | 282 0.00 0.00 0.234   0.025 656   3 0   0
Moss Creek Vineyard/Reservior 8/4/26 103.5   2.4 1442 59.3   0.2 0624 55.4   3.8 86   2 20   10 - - - - 0.00 0.00 - - 0   0
Max   104.5 - 70.7 - 58.7 100 28 9.9 22.9 - - 0.00 0.00 0.277 668 -
Avg   - - - - 55.7 - - 3.7 - - - - - - - -
Min   92.5 - 52.4 - 49.4 47 18 1.6 11.5 - - 0.00 0.00 0.064 0 -

Northern & Central Napa County

27 Stations

Daily Data | America/Los_Angeles
as of 8/5/26 7:24 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 8/4/26 101.3   7.2 1501 56.9   0.2 0622 57.4   1.2 96   2 26   8 - - - - 0.00 0.00 - - 0   0
Diamond Mtn (Schramsberg) 8/4/26 96.9   3.3 1537 57.6   1.7 0603 54.9   0.1 100   13 24   7 - - - - 0.00 0.00 - - 0   0
Diamond Mtn (McEachran) 8/4/26 98.6   3.3 1604 57.6   1.4 0547 56.3   0.3 95   8 24   2 - - - - - - - - 0   0
St. Helena-North 8/4/26 95.4   6.0 1520 58.6   1.0 0509 55.0   0.5 86   3 27   7 3.2 13.4   1.3 1553 SE | 139 0.00 0.00 0.217   0.022 556   16 0   0
St. Helena (NVV Office) 8/4/26 95.3   6.1 1523 60.4   1.9 0519 - - - 1.8 9.4   1.5 1612 SSE | 149 0.00 0.00 - - 0   0
Tiara Fria (East St. Helena) 8/4/26 91.0   6.9 1558 58.7   2.5 0522 57.8   1.1 89   2 34   9 2.4 13.0   0.4 1715 SE | 142 0.00 0.00 - - 0   0
Prisoner Winery 8/4/26 95.7   5.5 1516 55.3   0.3 0622 57.3   0.1 97   1 30   6 1.3 9.4   0.1 1648 SE | 137 0.00 0.00 0.167   0.023 494   13 0   0
Rutherford Hill Estate 8/4/26 93.6   7.6 1538 56.9   1.0 0617 57.5   0.7 100   7 32   10 1.3 15.6   1.3 1647 SSW | 195 0.00 0.00 0.185   0.014 547   8 0   0
Rutherford-North (Mee Ln) 8/4/26 90.6   6.0 1531 53.0   0.4 0554 56.6   0.3 92   2 35   8 3.0 17.1   0.2 1715 ESE | 114 0.00 0.00 0.201   0.027 551   9 0   0
Rutherford (STS) 8/4/26 94.2   4.5 1457 52.5   0.8 0619 58.8   0.9 91   0 37   5 2.0 14.8   1.2 1714 ESE | 117 0.00 0.00 0.224   0.014 662   1 0   0
Oakville-NE (Ranch 88) 8/4/26 91.3   5.9 1443 52.8   0.1 0616 54.9   0.5 85   1 32   7 2.3 15.9   0.6 1611 SW | 217 0.00 0.00 0.211   0.021 592   10 70   10
OV561-East 8/4/26 92.1   6.4 1623 55.3   0.1 0628 - - - - - - - - - - - 0   0
Oakville 8/4/26 87.7   6.0 1427 54.0   0.1 0633 56.3   0.2 91   1 37   8 3.5 19.4   0.2 1539 SE | 133 0.00 0.00 0.223   0.026 645   5 40   10
OV518-West 8/4/26 87.3   6.8 1453 54.4   0.1 0610 - - - - - - - - - - - 40   10
To Kalon Remote (TKKE) 8/4/26 91.8   7.1 1534 54.6   0.1 0559 - - - - - - - - - - - 0   0
To Kalon 8/4/26 89.4   6.5 1538 54.4   0.2 0559 57.5   0.2 95   1 38   8 3.3 18.4   0.6 1701 SE | 134 0.00 0.00 0.218   0.026 620   6 0   10
To Kalon Remote (TKN5) 8/4/26 92.0   6.3 1511 54.5   0.1 0635 - - - - - - - - - - - 0   0
Yountville (Ranch 67) 8/4/26 85.7   7.0 1552 53.1   0.1 0621 55.3   0.2 91   1 39   11 4.1 19.3   3.3 1637 SE | 143 0.00 0.00 0.223   0.023 666   1 50   10
Stags Leap Dist (Silverado Vineyards) 8/4/26 87.2   6.5 1523 53.6   0.3 0618 55.6   0.4 93   1 37   11 3.4 18.6   1.8 1655 ENE | 77 0.00 0.00 0.219   0.023 633   5 60   10
Borreo (Soda Canyon) 8/4/26 86.4   7.1 1530 52.0   0.6 0638 54.4   0.9 95   3 37   11 1.7 9.7   1.3 1421 S | 180 0.00 0.00 0.214   0.016 672   4 60   10
Wappo Hill Floor 8/4/26 87.2   6.7 1536 52.4   0.3 0631 56.7   0.3 100   0 40   10 3.0 15.3   2.5 1659 ESE | 110 0.00 0.00 0.213   0.017 641   6 20   10
Stags Leap Dist (Chimney Rock) 8/4/26 86.2   7.8 1515 53.0   0.2 0629 58.1   0.0 98   1 45   12 2.8 14.6   2.2 1640 SE | 143 0.00 0.00 0.190   0.018 576   4 50   10
Yountville-South (Ranch 87) 8/4/26 89.3   5.4 1507 53.6   0.6 0623 56.8   0.1 92   0 37   8 1.9 12.1   1.0 1641 S | 178 0.00 0.00 0.205   0.013 633   2 0   0
Yountville-SE (Ranch 85) 8/4/26 85.2   7.1 1539 53.2   1.6 0610 57.3   0.1 94   0 43   12 2.7 14.5   1.8 1623 SSE | 147 0.00 0.00 - 0   0 80   20
Oak Knoll-East (Ranch 53) 8/4/26 85.8   6.6 1453 54.2   0.0 0613 55.8   0.1 91   2 38   9 2.7 13.8   0.2 1506 SE | 130 0.00 0.00 0.214   0.016 668   3 20   10
Napa-NW (Ranch 54) 8/4/26 89.2   4.9 1553 53.9   0.6 0541 56.3   0.5 92   2 36   6 0.6 7.1   1.5 1138 SSW | 196 0.00 0.00 - 0   0 0   0
Napa-North (Ranch 29) 8/4/26 83.4   5.4 1441 54.6   0.5 0632 57.0   0.1 100   0 44   12 1.8 12.4   0.5 1624 S | 170 0.00 0.00 0.133   0.013 380   6 80   20
Max   101.3 - 60.4 - 58.8 100 45 4.1 19.4 - - 0.00 0.00 0.224 672 -
Avg   - - - - 56.5 - - 2.4 - - - - - - - -
Min   83.4 - 52.0 - 54.4 85 24 0.6 7.1 - - 0.00 0.00 0.133 0 -

Southern Napa County

22 Stations

Daily Data | America/Los_Angeles
as of 8/5/26 7:24 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 8/4/26 94.1   1.4 1605 60.6   5.8 0514 54.3   3.2 80   17 29   7 1.5 9.5   2.2 1508 S | 172 0.00 0.00 0.200   0.143 607   410 60   20
Mount George (Napa East) 8/4/26 84.0   7.2 1402 51.7   0.5 0608 55.1   0.7 92   1 40   14 1.8 11.1   1.1 1532 WSW | 245 0.00 0.00 0.199   0.014 637   4 80   20
Napa-East (Palmaz 300') 8/4/26 89.1   6.7 1436 53.8   0.5 0616 55.8   0.4 100   6 35   10 1.8 11.2   0.9 1509 SW | 225 0.00 0.00 0.182   0.012 532   2 0   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') 8/4/26 85.3   6.9 1514 55.2   0.4 0058 55.2   1.3 95   10 39   14 2.7 11.4   1.3 1614 SSW | 208 0.00 0.00 0.203   0.024 644   1 80   20
Wooden Valley 8/4/26 89.6   11.0 1528 61.0   5.6 0058 54.0   2.2 71   13 32   16 4.8 15.2   2.1 0457 SW | 234 0.00 0.00 0.240   0.014 660   1 20   10
Napa-West Upper (Truchard) 8/4/26 85.0   5.8 1447 54.4   2.1 0624 37.3   19.1 100   0 0   0 3.1 15.3   2.5 1504 SE | 142 0.00 0.00 0.213   0.019 650   6 60   20
Napa-West Lower (Truchard) 8/4/26 84.5   6.5 1453 48.4   0.4 0607 54.6   0.1 94   0 41   12 - - - - - - - - 80   20
Napa-South (Toyon Farms) 8/4/26 82.1   6.7 1547 55.0   1.4 0518 58.3   1.2 100   1 51   11 3.5 15.2   2.8 1632 S | 177 0.00 0.00 0.110   0.013 321   4 100   20
Toyon Remote 1 8/4/26 81.5   7.4 1428 51.0   0.8 0542 - - - - - - - - - - - -
Toyon Remote 2 8/4/26 81.4   5.9 1410 51.0   0.4 0621 - - - - - - - - - - - -
Toyon Remote 3 8/4/26 82.7   6.4 1513 50.3   1.6 0555 - - - - - - - - - - - -
Dealy Lane (Ranch 80) 8/4/26 83.7   4.1 1528 52.5   1.9 0530 55.4   0.9 95   2 42   7 3.1 14.8   1.7 1607 SSE | 148 0.00 0.00 0.200   0.017 638   9 80   20
Carneros (Saintsbury) 8/4/26 80.0   5.8 1548 50.9   1.0 0609 55.0   1.2 100   3 48   11 4.7 17.1   4.3 1643 S | 174 0.00 0.00 - - 100   0
Suscol Lower (Ranch 35) 8/4/26 81.2   7.2 1607 54.8   1.6 0053 55.6   1.1 100   12 44   12 4.8 15.9   1.3 1612 SW | 221 0.00 0.00 0.193   0.023 586   10 90   20
Suscol Mtn (Ranch 93) 8/4/26 85.6   9.8 1429 55.6   3.1 0537 56.3   2.5 97   9 41   16 3.8 13.4   2.0 1247 WNW | 282 0.00 0.00 - - 80   20
Suscol Upper (Ranch 92) 8/4/26 83.0   8.8 1443 55.8   2.5 0458 27.6   26.0 100   9 0   26 1.7 12.5   2.0 2058 SSW | 196 0.00 0.00 - - 80   20
Stanly (Ranch 45) 8/4/26 80.1   4.7 1519 51.9   0.4 0520 55.5   1.1 93   0 48   9 5.2 16.7   2.5 1614 WNW | 291 0.00 0.00 0.211   0.020 678   7 100   0
Carneros Upper (Ranch 81) 8/4/26 83.1   6.1 1444 56.2   1.1 0611 55.2   0.5 - - 6.4 21.4   6.8 2133 WSW | 253 - - - - 80   20
Carneros (Mitsuko) 8/4/26 80.8   4.9 1534 48.2   1.3 0605 - - - - - - - - - - - 100   0
Carneros Lower (Ranch 81) 8/4/26 82.4   6.9 1454 52.4   1.9 0552 55.7   0.0 94   6 44   44 2.1 13.7   1.8 1701 SSE | 165 0.00 0.00 0.195   0.017 628   6 90   20
Carneros (Milton Rd) 8/4/26 79.8   5.5 1451 49.5   1.3 0543 55.0   1.6 93   1 47   8 - - - - 0.00 0.00 - - 100   0
Max   94.1 - 61.0 - 58.3 100 51 6.4 21.4 - - 0.00 0.00 0.240 678 -
Avg   - - - - 52.7 - - 3.4 - - - - - - - -
Min   79.8 - 48.2 - 27.6 71 0 1.5 9.5 - - 0.00 0.00 0.110 321 -