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Latest Observation

13 Stations

Daily Data | America/Los_Angeles
as of 8/10/26 10:11 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 8/9/26 98.9   1.5 1433 61.9   1.8 2357 - - - - - - - 0.00 0.00 - - 0   0
Pope Valley (Weeks Lake) 8/9/26 103.4   0.0 1322 51.6   0.4 0519 53.7   1.7 95   2 15   3 1.5   0.0 12.7   2.0 1235 W | 268 0.00 0.00 0.217   0.029 587   96 0   0
Dollarhide Base 8/9/26 106.1   2.8 1211 56.6   0.2 0634 58.4   0.3 93   3 21   0 2.7   0.3 15.9   3.5 1628 SSW | 200 0.00 0.00 0.260   0.029 653   77 0   0
Dollarhide 1AS Remote 8/9/26 107.1   2.0 1327 53.1   2.2 0620 56.7   0.5 91   2 19   0 2.8   0.3 16.2   1.7 1454 SW | 219 - - - - 0   0
Dollarhide 16A Remote 8/9/26 105.6   3.8 1253 56.3   0.4 0604 58.5   0.2 94   4 22   1 - - - - - - - - 0   0
Dollarhide 18A Remote 8/9/26 104.4   3.7 1255 52.0   0.9 0617 57.0   0.8 98   1 22   0 - - - - - - - - 0   0
Hardin Rd (Eakle) 8/9/26 103.6   1.6 1428 54.7   0.4 0621 - - - - - - - - - - - 0   0
Angwin 8/9/26 95.5   2.6 1454 75.6   0.0 0345 42.1   5.2 33   2 11   6 3.8   0.9 13.1   1.6 1336 SE | 144 0.00 0.00 0.102   0.014 0   0 100   0
Lower Angwin (Pioneer) 8/9/26 95.2   4.0 1527 49.8   2.6 0058 - - - 2.4   1.1 12.8   1.7 1655 WSW | 258 - - - - 0   0
Las Posadas (Cal Fire) 8/9/26 97.7   3.4 1526 54.6   2.1 0637 54.8   0.1 92   2 21   1 7.4   1.4 20.6   1.0 1748 SW | 226 0.00 0.00 0.276   0.033 580   51 -
Deer Park 8/9/26 98.9   4.4 1518 53.1   0.2 0616 55.5   0.7 95   0 25   4 3.3   0.4 14.3   1.4 1930 SE | 125 0.00 0.00 0.187   0.036 434   72 0   0
Lower Chiles Valley (Brown) 8/9/26 99.4   3.3 1543 53.9   0.0 0437 54.8   0.5 100   0 21   1 4.2   0.3 18.8   4.6 1606 WNW | 295 0.00 0.00 0.242   0.025 636   7 0   0
Moss Creek Vineyard/Reservior 8/9/26 106.1   1.3 1406 56.8   0.6 0618 54.6   1.6 89   6 16   4 - - - - 0.00 0.00 - - 0   0
Max   107.1 - 75.6 - 58.5 100 25 7.4 20.6 - - 0.00 0.00 0.276 653 -
Avg   - - - - 54.6 - - 3.5 - - - - - - - -
Min   95.2 - 49.8 - 42.1 33 11 1.5 12.7 - - 0.00 0.00 0.102 0 -

Northern & Central Napa County

27 Stations

Daily Data | America/Los_Angeles
as of 8/10/26 10:11 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 8/9/26 105.6   4.9 1511 52.0   0.6 0612 56.6   0.4 97   2 21   3 - - - - 0.00 0.00 - - 0   0
Diamond Mtn (Schramsberg) 8/9/26 101.5   5.1 1546 54.5   2.0 0625 55.8   0.9 100   0 14   7 - - - - 0.00 0.00 - - 0   0
Diamond Mtn (McEachran) 8/9/26 100.6   3.2 1542 54.0   0.8 0613 56.7   0.8 96   0 24   3 - - - - - - - - 0   0
St. Helena-North 8/9/26 99.6   4.5 1517 52.7   0.6 0610 54.1   0.5 88   1 23   3 3.8 14.5   0.7 1634 ESE | 119 0.00 0.00 0.229   0.045 555   91 0   0
St. Helena (NVV Office) 8/9/26 98.1   4.9 1533 53.5   1.8 0639 - - - 1.6 10.8   0.9 1354 E | 98 0.00 0.00 - - 0   0
Tiara Fria (East St. Helena) 8/9/26 94.3   4.8 1529 51.3   2.0 0630 55.6   0.1 90   4 32   4 2.2 12.3   1.0 1718 ESE | 112 0.00 0.00 - - 0   0
Prisoner Winery 8/9/26 98.4   5.1 1504 50.3   1.2 0551 55.9   0.3 98   0 28   3 1.3 9.1   1.2 1651 SE | 142 0.00 0.00 0.045   0.020 46   43 0   0
Rutherford Hill Estate 8/9/26 95.4   6.3 1506 53.6   0.7 0634 56.3   0.6 100   0 31   5 1.4 14.5   3.7 1700 SW | 215 0.00 0.00 0.184   0.017 542   30 0   0
Rutherford-North (Mee Ln) 8/9/26 93.5   5.5 1514 48.4   1.2 0555 54.8   0.2 91   3 33   4 3.2 16.0   0.9 1544 SSE | 157 0.00 0.00 0.199   0.022 527   40 0   0
Rutherford (STS) 8/9/26 96.9   6.0 1502 49.1   0.5 0621 57.4   0.5 91   0 36   4 2.1 17.2   4.1 1607 ENE | 57 0.00 0.00 0.219   0.021 639   44 0   0
Oakville-NE (Ranch 88) 8/9/26 93.8   5.7 1429 48.8   3.4 0604 53.2   0.7 88   5 30   4 2.4 17.2   0.7 1645 SSW | 197 0.00 0.00 0.207   0.018 578   32 90   10
OV561-East 8/9/26 94.5   5.4 1522 51.1   2.5 0624 - - - - - - - - - - - 0   0
Oakville 8/9/26 90.0   5.5 1442 49.5   3.4 0610 54.6   0.3 90   2 36   5 3.7 19.8   3.2 1556 ESE | 118 0.00 0.00 0.219   0.022 620   38 50   10
OV518-West 8/9/26 89.5   5.2 1458 50.0   2.7 0557 - - - - - - - - - - - 50   10
To Kalon Remote (TKKE) 8/9/26 94.8   6.0 1501 50.2   2.2 0606 - - - - - - - - - - - 0   0
To Kalon 8/9/26 91.6   5.5 1440 50.8   1.3 0538 56.2   0.2 95   0 36   5 3.4 17.4   0.9 1651 SE | 128 0.00 0.00 0.217   0.022 607   38 0   0
To Kalon Remote (TKN5) 8/9/26 94.7   6.5 1448 50.8   2.3 0556 - - - - - - - - - - - 0   0
Yountville (Ranch 67) 8/9/26 88.5   5.9 1512 49.3   3.4 0608 53.8   0.3 91   0 36   6 4.0 16.6   1.0 1606 SSE | 158 0.00 0.00 0.223   0.024 669   50 90   10
Stags Leap Dist (Silverado Vineyards) 8/9/26 89.3   6.0 1433 50.0   3.2 0606 54.0   0.3 93   2 35   6 3.4 17.0   0.1 1901 S | 177 0.00 0.00 0.219   0.026 618   59 100   0
Borreo (Soda Canyon) 8/9/26 89.7   7.1 1454 49.1   0.1 0636 53.2   0.0 96   2 33   8 1.8 10.0   1.4 1641 SSE | 161 0.00 0.00 0.212   0.023 653   42 100   0
Wappo Hill Floor 8/9/26 89.8   5.9 1436 48.7   5.1 0621 55.1   0.5 100   0 37   5 2.8 13.9   0.7 1840 SE | 144 0.00 0.00 0.211   0.022 629   53 30   10
Stags Leap Dist (Chimney Rock) 8/9/26 89.2   6.2 1429 49.0   4.2 0637 56.6   0.4 98   4 43   6 2.8 13.2   1.6 1614 SSE | 148 0.00 0.00 0.188   0.021 561   42 90   10
Yountville-South (Ranch 87) 8/9/26 90.6   7.0 1525 50.0   3.2 0617 55.5   0.4 97   2 37   5 1.7 11.7   2.0 1557 SSE | 149 0.00 0.00 0.197   0.018 608   48 0   0
Yountville-SE (Ranch 85) 8/9/26 87.7   5.3 1429 50.5   4.3 0606 56.1   0.1 95   1 40   5 2.9 14.3   2.7 1536 S | 185 0.00 0.00 - 0   0 90   10
Oak Knoll-East (Ranch 53) 8/9/26 88.4   6.9 1417 50.8   3.7 0614 54.9   0.2 91   2 37   6 2.7 14.2   2.0 1636 SE | 143 0.00 0.00 0.210   0.025 648   55 30   10
Napa-NW (Ranch 54) 8/9/26 91.3   7.8 1425 50.9   1.2 0617 55.1   0.4 92   0 35   7 0.6 6.8   0.4 1309 S | 180 0.00 0.00 - 0   0 10   10
Napa-North (Ranch 29) 8/9/26 85.0   5.7 1407 52.0   3.0 0500 56.4   0.1 100   0 42   7 1.8 13.2   1.8 1554 S | 175 0.00 0.00 0.133   0.007 378   5 100   0
Max   105.6 - 54.5 - 57.4 100 43 4.0 19.8 - - 0.00 0.00 0.229 669 -
Avg   - - - - 55.4 - - 2.5 - - - - - - - -
Min   85.0 - 48.4 - 53.2 88 14 0.6 6.8 - - 0.00 0.00 0.045 0 -

Southern Napa County

22 Stations

Daily Data | America/Los_Angeles
as of 8/10/26 10:11 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 8/9/26 92.9   4.4 1504 59.1   4.1 0059 53.0   2.4 86   4 23   13 1.5 11.3   4.5 1545 S | 191 0.00 0.00 0.299   0.042 980   239 10   10
Mount George (Napa East) 8/9/26 87.1   11.2 1458 51.0   3.8 0508 54.5   1.4 94   6 37   9 1.5 10.3   0.1 1611 W | 260 0.00 0.00 0.193   0.017 610   43 90   10
Napa-East (Palmaz 300') 8/9/26 92.3   8.2 1423 51.8   1.8 0536 55.0   0.1 100   6 31   10 1.4 10.0   1.5 1539 WSW | 250 0.00 0.00 0.178   0.016 516   28 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') 8/9/26 89.0   7.3 1426 54.1   2.6 0011 55.5   0.9 100   0 35   10 2.8 10.8   0.7 1430 WSW | 237 0.00 0.00 0.209   0.030 618   39 90   10
Wooden Valley 8/9/26 93.7   4.3 1511 55.7   1.4 0628 53.3   0.4 86   9 25   7 3.4 15.0   0.6 2113 WSW | 257 0.00 0.00 0.236   0.016 633   14 0   10
Napa-West Upper (Truchard) 8/9/26 87.2   6.9 1437 50.9   1.0 0609 35.3   6.2 100   0 0   0 3.1 14.0   0.0 1530 S | 183 0.00 0.00 0.210   0.023 630   50 90   10
Napa-West Lower (Truchard) 8/9/26 86.3   7.1 1400 45.6   2.9 0557 53.2   0.2 93   0 40   7 - - - - - - - - 90   10
Napa-South (Toyon Farms) 8/9/26 84.9   8.3 1347 51.6   2.8 0536 57.6   0.6 100   2 49   9 3.4 14.8   0.8 1804 SSE | 160 0.00 0.00 0.107   0.008 305   10 100   0
Toyon Remote 1 8/9/26 85.1   8.0 1347 46.9   4.9 0613 - - - - - - - - - - - -
Toyon Remote 2 8/9/26 84.0   7.3 1430 48.4   5.5 0543 - - - - - - - - - - - -
Toyon Remote 3 8/9/26 85.0   6.5 1431 46.6   5.1 0605 - - - - - - - - - - - -
Dealy Lane (Ranch 80) 8/9/26 83.5   5.8 1338 47.8   5.6 0614 54.2   0.3 95   2 43   5 2.5 13.7   0.3 1653 SSE | 151 0.00 0.00 0.196   0.023 621   39 100   0
Carneros (Saintsbury) 8/9/26 82.4   7.2 1355 48.0   3.4 0520 54.2   0.1 100   0 45   8 4.0 15.6   1.1 1603 SSE | 149 0.00 0.00 - - 100   0
Suscol Lower (Ranch 35) 8/9/26 84.0   7.2 1501 52.3   1.7 0344 55.3   0.6 100   4 41   8 4.7 16.2   0.4 1531 SSW | 210 0.00 0.00 0.191   0.027 575   50 100   0
Suscol Mtn (Ranch 93) 8/9/26 89.3   9.0 1528 53.4   1.0 0516 55.6   0.2 100   0 39   10 3.3 13.1   1.8 1402 NW | 308 0.00 0.00 - - 90   10
Suscol Upper (Ranch 92) 8/9/26 85.5   7.8 1507 54.0   1.0 0621 7.7   11.6 100   0 0   0 2.2 14.3   2.3 2356 S | 178 0.00 0.00 - - 100   10
Stanly (Ranch 45) 8/9/26 81.4   5.2 1505 50.4   3.5 0436 55.0   0.3 93   2 46   7 5.6 17.5   1.1 2044 SSW | 199 0.00 0.00 0.203   0.026 638   53 100   0
Carneros Upper (Ranch 81) 8/9/26 86.3   8.4 1426 52.2   1.9 0609 38.9   2.0 - - 4.2 15.5   1.3 1812 S | 175 - - - - 100   0
Carneros (Mitsuko) 8/9/26 82.3   6.8 1426 46.9   7.3 0457 - - - - - - - - - - - 100   0
Carneros Lower (Ranch 81) 8/9/26 85.3   7.2 1516 52.4   2.4 0454 55.3   0.1 100   7 0   50 1.9 12.2   1.0 1542 SE | 145 0.00 0.00 0.192   0.021 608   44 100   0
Carneros (Milton Rd) 8/9/26 82.0   6.8 1452 49.8   1.9 0334 54.9   0.3 93   2 47   7 - - - - 0.00 0.00 - - 100   10
Max   93.7 - 59.1 - 57.6 100 49 5.6 17.5 - - 0.00 0.00 0.299 980 -
Avg   - - - - 49.9 - - 3.0 - - - - - - - -
Min   81.4 - 45.6 - 7.7 86 0 1.4 10.0 - - 0.00 0.00 0.107 305 -