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Latest Observation

13 Stations

Daily Data | America/Los_Angeles
as of 8/4/26 7:06 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 8/3/26 100.2   3.6 1439 62.1   1.9 0444 - - - - - - - 0.00 0.00 - - 0   0
Pope Valley (Weeks Lake) 8/3/26 102.7   0.0 1318 53.6   2.6 0620 53.0   1.9 93   1 12   2 1.6   0.2 12.9   1.3 1245 SE | 128 0.00 0.00 0.229   0.006 604   2 0   0
Dollarhide Base 8/3/26 107.2   2.5 1538 61.9   2.8 0634 56.6   1.1 86   4 14   5 2.9   0.1 16.3   0.5 1755 SSW | 210 0.00 0.00 0.284   0.004 682   6 0   0
Dollarhide 1AS Remote 8/3/26 110.6   4.1 1535 55.1   2.2 0553 54.4   1.2 88   2 12   6 2.4   0.0 19.2   3.7 1708 SSE | 168 - - - - 0   0
Dollarhide 16A Remote 8/3/26 100.8   2.0 1220 59.7   2.0 0645 57.4   0.5 87   4 19   2 - - - - - - - - 0   0
Dollarhide 18A Remote 8/3/26 101.4   0.1 1600 53.4   2.9 0607 58.0   1.5 97   0 17   1 - - - - - - - - 0   0
Hardin Rd (Eakle) 8/3/26 107.5   2.9 1427 57.1   2.3 0615 - - - - - - - - - - - 0   0
Angwin 8/3/26 96.8   2.3 1415 75.5   2.6 0616 45.1   2.3 37   1 13   5 3.7   0.3 12.7   1.1 0841 NNE | 28 0.00 0.00 0.095   0.001 0   0 100   0
Lower Angwin (Pioneer) 8/3/26 96.4   1.4 1606 58.0   4.5 0059 - - - 2.3   0.1 11.5   0.2 1817 WNW | 282 - - - - 30   10
Las Posadas (Cal Fire) 8/3/26 100.6   1.7 1345 59.7   2.7 0417 51.2   1.4 80   6 15   2 7.4   1.0 22.6   4.2 1830 WSW | 245 0.00 0.00 0.323   0.026 595   2 -
Deer Park 8/3/26 101.9   1.2 1519 59.0   1.3 0600 55.1   0.3 86   6 18   5 2.9   0.6 14.0   1.0 1903 WNW | 303 0.00 0.00 0.207   0.014 455   1 0   0
Lower Chiles Valley (Brown) 8/3/26 103.2   2.7 1333 52.5   1.0 0547 51.7   2.1 94   1 10   8 3.2   0.0 14.3   2.7 1629 W | 259 0.00 0.00 0.259   0.011 659   3 0   0
Moss Creek Vineyard/Reservior 8/3/26 105.9   1.1 1508 59.0   1.9 0553 51.6   1.9 85   4 11   5 - - - - 0.00 0.00 - - 0   0
Max   110.6 - 75.5 - 58.0 97 19 7.4 22.6 - - 0.00 0.00 0.323 682 -
Avg   - - - - 53.4 - - 3.3 - - - - - - - -
Min   96.4 - 52.5 - 45.1 37 10 1.6 11.5 - - 0.00 0.00 0.095 0 -

Northern & Central Napa County

27 Stations

Daily Data | America/Los_Angeles
as of 8/4/26 7:06 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 8/3/26 108.5   4.4 1447 56.7   2.8 0629 58.6   2.1 94   1 18   2 - - - - 0.00 0.00 - - 0   0
Diamond Mtn (Schramsberg) 8/3/26 100.2   2.2 1405 59.4   0.6 0537 54.8   2.0 87   3 18   2 - - - - 0.00 0.00 - - 0   0
Diamond Mtn (McEachran) 8/3/26 101.9   1.8 1634 59.0   0.7 0501 56.0   3.4 87   3 22   7 - - - - - - - - 0   0
St. Helena-North 8/3/26 101.4   2.4 1552 57.7   1.9 0614 54.5   1.9 83   3 19   8 3.5 14.7   3.9 1453 SE | 146 0.00 0.00 0.239   0.026 572   1 0   0
St. Helena (NVV Office) 8/3/26 101.4   3.6 1532 58.5   2.2 0642 - - - 1.9 10.9   1.7 1433 ESE | 122 0.00 0.00 - - 0   0
Tiara Fria (East St. Helena) 8/3/26 97.9   4.2 1535 56.2   2.2 0621 56.7   0.6 87   2 25   9 2.4 13.4   2.3 1538 ESE | 123 0.00 0.00 - - 0   0
Prisoner Winery 8/3/26 101.2   2.7 1536 55.0   2.7 0646 57.2   0.9 96   1 24   9 1.4 9.4   1.3 1458 E | 98 0.00 0.00 0.190   0.148 507   473 0   0
Rutherford Hill Estate 8/3/26 101.2   0.5 1556 58.0   0.5 0629 56.8   0.8 93   7 22   1 1.4 14.2   3.7 1615 S | 185 0.00 0.00 0.199   0.003 556   1 0   0
Rutherford-North (Mee Ln) 8/3/26 96.6   7.0 1525 52.6   2.1 0615 56.3   0.8 90   0 27   11 3.4 16.9   3.7 1613 SSE | 150 0.00 0.00 0.228   0.012 559   0 0   0
Rutherford (STS) 8/3/26 98.7   4.2 1436 53.3   2.0 0559 59.7   0.2 91   0 32   7 2.0 16.0   0.8 1526 E | 91 0.00 0.00 0.238   0.004 663   0 0   0
Oakville-NE (Ranch 88) 8/3/26 97.2   3.3 1511 52.7   2.6 0628 54.4   0.5 84   2 25   2 2.5 16.4   2.3 1650 S | 187 0.00 0.00 0.232   0.008 602   1 80   10
OV561-East 8/3/26 98.5   4.9 1535 55.4   3.0 0645 - - - - - - - - - - - 0   0
Oakville 8/3/26 93.7   3.9 1451 53.9   2.7 0639 56.2   0.5 90   0 30   2 3.9 19.3   5.5 1604 SE | 143 0.00 0.00 0.249   0.006 650   0 50   10
OV518-West 8/3/26 94.1   2.7 1502 54.3   2.4 0627 - - - - - - - - - - - 50   10
To Kalon Remote (TKKE) 8/3/26 98.9   3.1 1513 54.4   2.3 0616 - - - - - - - - - - - 0   0
To Kalon 8/3/26 95.9   3.2 1510 54.6   1.7 0538 57.6   0.1 94   1 29   4 3.5 17.8   4.2 1612 SE | 139 0.00 0.00 0.244   0.009 626   4 10   10
To Kalon Remote (TKN5) 8/3/26 98.3   4.5 1425 54.6   2.4 0604 - - - - - - - - - - - 0   0
Yountville (Ranch 67) 8/3/26 92.7   2.5 1541 52.9   1.8 0601 55.1   0.1 90   1 28   0 4.0 16.0   1.2 1652 SSE | 167 0.00 0.00 0.246   0.004 667   8 60   10
Stags Leap Dist (Silverado Vineyards) 8/3/26 93.7   3.6 1536 53.4   1.6 0623 55.2   0.1 92   1 26   1 3.2 16.8   2.5 1617 SE | 143 0.00 0.00 0.242   0.002 638   2 70   10
Borreo (Soda Canyon) 8/3/26 93.5   1.6 1615 52.5   0.7 0604 53.5   0.5 92   4 25   1 1.7 11.0   0.2 1414 SE | 136 0.00 0.00 0.230   0.001 675   2 70   10
Wappo Hill Floor 8/3/26 93.9   3.0 1448 52.1   1.9 0608 56.4   0.7 100   9 30   1 2.7 12.8   0.3 1612 SE | 136 0.00 0.00 0.230   0.004 646   7 30   10
Stags Leap Dist (Chimney Rock) 8/3/26 94.0   2.3 1508 53.2   2.7 0622 58.1   0.1 97   2 34   1 2.5 12.4   1.6 1609 S | 191 0.00 0.00 0.208   0.003 580   1 60   10
Yountville-South (Ranch 87) 8/3/26 94.7   3.9 1459 54.3   2.2 0632 57.0   0.1 93   7 29   1 1.7 11.1   1.7 1645 SSE | 166 0.00 0.00 0.218   0.001 634   1 0   0
Yountville-SE (Ranch 85) 8/3/26 92.3   2.4 1457 54.9   3.0 0635 57.4   0.1 94   2 32   1 2.4 12.7   0.7 1638 SSE | 163 0.00 0.00 - 0   0 60   10
Oak Knoll-East (Ranch 53) 8/3/26 92.4   3.5 1429 54.2   1.5 0620 55.7   0.0 89   1 29   1 2.2 14.0   2.1 1604 SE | 128 0.00 0.00 0.230   0.003 671   1 30   10
Napa-NW (Ranch 54) 8/3/26 94.1   6.3 1416 54.5   1.5 0607 56.8   0.7 90   3 30   8 0.5 5.6   1.5 1737 SSE | 148 0.00 0.00 - 0   0 0   0
Napa-North (Ranch 29) 8/3/26 88.8   3.2 1602 54.1   1.2 0519 56.9   0.4 100   0 32   1 2.0 12.9   1.5 1652 SSW | 205 0.00 0.00 0.146   0.003 374   0 60   10
Max   108.5 - 59.4 - 59.7 100 34 4.0 19.3 - - 0.00 0.00 0.249 675 -
Avg   - - - - 56.4 - - 2.4 - - - - - - - -
Min   88.8 - 52.1 - 53.5 83 18 0.5 5.6 - - 0.00 0.00 0.146 0 -

Southern Napa County

22 Stations

Daily Data | America/Los_Angeles
as of 8/4/26 7:06 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 8/3/26 95.5   0.0 1426 66.4   1.3 0332 51.1   0.3 63   0 21   1 1.9 11.7   1.9 1522 S | 181 0.00 0.00 0.343   0.022 1,017   136 40   20
Mount George (Napa East) 8/3/26 91.2   2.5 1541 52.2   0.2 0618 54.4   0.5 91   4 27   0 1.4 10.0   0.8 1559 W | 267 0.00 0.00 0.213   0.001 640   1 60   10
Napa-East (Palmaz 300') 8/3/26 95.8   2.3 1601 54.2   0.7 0514 55.4   0.6 94   0 24   1 1.8 10.3   0.1 1434 SW | 232 0.00 0.00 0.194   0.001 530   2 10   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') 8/3/26 92.2   0.6 1541 55.6   2.2 0455 53.9   0.6 84   10 25   3 2.2 12.7   0.0 1525 SW | 219 0.00 0.00 0.227   0.001 643   0 60   10
Wooden Valley 8/3/26 100.6   3.3 1431 55.4   2.0 0610 51.7   1.0 84   0 16   5 2.8 13.1   1.5 1450 SW | 236 0.00 0.00 0.254   0.003 659   3 30   10
Napa-West Upper (Truchard) 8/3/26 90.8   3.0 1434 56.5   1.0 0607 56.4   19.0 100   0 0   0 2.6 12.8   0.5 1828 S | 170 0.00 0.00 0.232   0.010 656   2 40   10
Napa-West Lower (Truchard) 8/3/26 91.0   2.5 1440 48.8   1.1 0538 54.5   0.0 94   1 29   1 - - - - - - - - 60   10
Napa-South (Toyon Farms) 8/3/26 88.8   2.6 1415 56.3   0.5 0520 59.6   0.3 99   1 40   0 3.0 12.3   0.5 1653 SSE | 163 0.00 0.00 0.123   0.008 317   1 80   10
Toyon Remote 1 8/3/26 88.9   2.7 1334 51.8   0.7 0526 - - - - - - - - - - - -
Toyon Remote 2 8/3/26 87.3   4.1 1416 51.5   0.6 0608 - - - - - - - - - - - -
Toyon Remote 3 8/3/26 89.1   2.8 1400 51.9   2.3 0529 - - - - - - - - - - - -
Dealy Lane (Ranch 80) 8/3/26 87.8   5.9 1545 54.4   2.8 0644 56.2   0.3 93   3 35   6 2.4 13.1   0.5 1643 SE | 142 0.00 0.00 0.217   0.004 647   1 60   10
Carneros (Saintsbury) 8/3/26 85.8   3.3 1356 51.9   1.2 0611 56.3   0.2 96   3 36   2 3.5 12.8   1.8 1635 SSE | 150 0.00 0.00 - - 100   10
Suscol Lower (Ranch 35) 8/3/26 88.4   3.2 1406 53.2   1.8 0541 54.5   0.6 88   12 32   2 4.2 14.5   0.7 1549 SW | 216 0.00 0.00 0.216   0.008 597   8 70   10
Suscol Mtn (Ranch 93) 8/3/26 95.4   0.7 1532 58.7   2.9 0121 53.8   1.5 88   8 25   1 2.9 11.4   1.5 1445 WNW | 290 0.00 0.00 - - 60   10
Suscol Upper (Ranch 92) 8/3/26 91.8   0.7 1527 58.2   2.5 0128 53.6   11.5 91   9 27   26 0.7 10.4   0.2 1441 SW | 214 0.00 0.00 - - 60   10
Stanly (Ranch 45) 8/3/26 84.8   3.8 1413 51.6   1.1 0633 56.6   0.3 94   0 38   4 4.5 14.2   1.2 1614 W | 275 0.00 0.00 0.231   0.007 685   6 100   10
Carneros Upper (Ranch 81) 8/3/26 89.2   4.0 1405 57.4   0.6 0624 55.7   0.6 - - 3.8 14.6   0.4 1545 S | 181 - - - - 60   10
Carneros (Mitsuko) 8/3/26 85.7   4.6 1437 49.5   1.6 0452 - - - - - - - - - - - 100   10
Carneros Lower (Ranch 81) 8/3/26 89.3   2.3 1403 54.3   0.9 0626 55.7   2.6 100   0 0   0 1.8 12.0   0.2 1634 S | 173 0.00 0.00 0.212   0.004 634   0 70   10
Carneros (Milton Rd) 8/3/26 85.3   3.3 1402 50.8   0.6 0537 56.6   0.5 92   0 39   4 - - - - 0.00 0.00 - - 100   10
Max   100.6 - 66.4 - 59.6 100 40 4.5 14.6 - - 0.00 0.00 0.343 1,017 -
Avg   - - - - 55.1 - - 2.6 - - - - - - - -
Min   84.8 - 48.8 - 51.1 63 0 0.7 10.0 - - 0.00 0.00 0.123 317 -