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Latest Observation

13 Stations

Daily Data | America/Los_Angeles
as of 8/2/26 5:07 PM PDT
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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 8/1/26 98.4   4.8 1712 58.9   4.8 0422 - - - - - - - 0.00 0.00 - - 0   0
Pope Valley (Weeks Lake) 8/1/26 102.4   2.7 1650 49.0   3.6 0613 51.2   2.6 98   2 17   4 1.6   0.0 12.9   1.1 1603 WSW | 257 0.00 0.00 0.227   0.004 604   6 0   0
Dollarhide Base 8/1/26 104.1   1.6 1259 56.1   2.1 0622 58.2   3.6 95   2 22   4 2.5   0.1 15.8   0.5 1744 SSW | 204 0.00 0.00 0.262   0.003 679   11 0   0
Dollarhide 1AS Remote 8/1/26 105.1   0.9 1601 51.1   4.2 0623 56.1   4.2 88   1 21   5 2.0   0.3 16.5   0.9 1424 SW | 227 - - - - 0   0
Dollarhide 16A Remote 8/1/26 101.9   2.6 1255 55.6   2.5 0609 58.0   3.5 94   0 22   6 - - - - - - - - 0   0
Dollarhide 18A Remote 8/1/26 100.2   0.3 1631 48.7   4.1 0609 56.2   4.8 94   0 24   8 - - - - - - - - 0   0
Hardin Rd (Eakle) 8/1/26 103.6   2.0 1517 52.8   3.6 0615 - - - - - - - - - - - 0   0
Angwin 8/1/26 93.6   3.3 1605 71.2   4.0 0407 46.4   2.3 39   2 17   1 3.3   0.6 12.8   1.3 1418 SSE | 151 0.00 0.00 0.081   0.009 0   0 100   0
Lower Angwin (Pioneer) 8/1/26 94.4   2.5 1550 48.9   3.4 0230 - - - 2.0   0.0 12.6   2.3 1736 WSW | 244 - - - - 50   10
Las Posadas (Cal Fire) 8/1/26 97.0   1.9 1657 51.7   0.3 0545 54.4   1.6 99   7 23   5 7.2   0.2 20.3   0.8 1552 WSW | 242 0.00 0.00 0.283   0.013 601   10 -
Deer Park 8/1/26 98.6   1.6 1545 56.1   2.4 0336 56.6   2.5 96   0 26   4 2.8   0.4 12.3   1.3 1714 SSE | 154 0.00 0.00 0.191   0.004 453   6 0   0
Lower Chiles Valley (Brown) 8/1/26 98.8   2.0 1655 55.3   7.8 0633 55.8   3.6 100   4 21   6 4.0   0.1 14.4   2.0 1708 NNW | 337 0.00 0.00 0.243   0.001 649   20 0   0
Moss Creek Vineyard/Reservior 8/1/26 104.3   2.2 1512 54.0   2.8 0633 54.0   3.1 92   0 17   3 - - - - 0.00 0.00 - - 0   0
Max   105.1 - 71.2 - 58.2 100 26 7.2 20.3 - - 0.00 0.00 0.283 679 -
Avg   - - - - 54.7 - - 3.2 - - - - - - - -
Min   93.6 - 48.7 - 46.4 39 17 1.6 12.3 - - 0.00 0.00 0.081 0 -

Northern & Central Napa County

27 Stations

Daily Data | America/Los_Angeles
as of 8/2/26 5:07 PM PDT
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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 8/1/26 104.8   4.4 1501 54.1   4.3 0420 57.1   2.1 96   0 20   3 - - - - 0.00 0.00 - - 0   0
Diamond Mtn (Schramsberg) 8/1/26 100.2   3.3 1651 54.2   0.4 0618 54.4   1.2 100   7 14   4 - - - - 0.00 0.00 - - 0   0
Diamond Mtn (McEachran) 8/1/26 101.0   2.9 1651 56.0   2.6 0646 55.3   1.9 97   6 16   2 - - - - - - - - 0   0
St. Helena-North 8/1/26 99.4   1.0 1515 55.6   4.2 0408 55.0   3.1 86   2 24   4 2.8 13.4   0.4 1701 SSE | 150 0.00 0.00 0.228   0.001 569   8 0   0
St. Helena (NVV Office) 8/1/26 98.5   1.0 1617 57.8   5.6 0424 - - - 1.6 9.1   1.7 1727 SE | 139 0.00 0.00 - - 0   0
Tiara Fria (East St. Helena) 8/1/26 94.9   0.8 1616 55.5   5.6 0407 57.3   3.1 90   0 30   2 2.1 10.4   2.6 1705 SSE | 152 0.00 0.00 - - 0   0
Prisoner Winery 8/1/26 99.4   2.2 1555 53.2   4.5 0331 57.3   2.8 97   1 28   3 1.1 8.4   0.4 1645 SSE | 149 0.00 0.00 0.041   0.093 120   256 0   0
Rutherford Hill Estate 8/1/26 96.9   0.5 1609 56.9   2.9 0303 57.6   2.3 94   6 27   3 1.4 11.6   2.2 1557 SSE | 160 0.00 0.00 0.188   0.003 546   15 0   0
Rutherford-North (Mee Ln) 8/1/26 94.3   1.0 1520 50.4   4.2 0359 56.1   2.7 93   1 31   3 2.5 15.3   1.1 1646 SE | 129 0.00 0.00 0.206   0.007 544   17 0   0
Rutherford (STS) 8/1/26 96.6   0.8 1511 50.7   3.5 0408 59.2   2.9 91   0 34   2 1.9 15.0   0.7 1640 ESE | 114 0.00 0.00 0.226   0.003 647   17 0   0
Oakville-NE (Ranch 88) 8/1/26 95.1   0.7 1534 50.9   4.8 0352 54.7   3.2 86   0 29   3 2.0 14.8   0.3 1647 SSW | 198 0.00 0.00 0.213   0.008 579   30 100   0
OV561-East 8/1/26 96.2   0.5 1651 54.0   5.3 0335 - - - - - - - - - - - 0   0
Oakville 8/1/26 91.2   0.9 1556 52.1   4.8 0345 56.4   3.2 91   1 34   4 3.1 16.5   1.1 1643 ESE | 106 0.00 0.00 0.231   0.007 638   23 70   10
OV518-West 8/1/26 90.9   0.9 1530 52.6   4.2 0355 - - - - - - - - - - - 70   10
To Kalon Remote (TKKE) 8/1/26 96.4   1.4 1606 52.2   4.1 0353 - - - - - - - - - - - 0   0
To Kalon 8/1/26 93.8   2.0 1547 52.4   3.4 0336 57.6   2.8 95   0 33   2 2.9 16.0   0.3 1703 SE | 143 0.00 0.00 0.221   0.011 596   35 30   10
To Kalon Remote (TKN5) 8/1/26 96.2   0.8 1518 52.3   4.1 0353 - - - - - - - - - - - 0   0
Yountville (Ranch 67) 8/1/26 90.0   0.8 1531 53.4   6.4 0336 55.9   3.2 91   0 34   3 3.5 16.9   0.2 1652 SE | 141 0.00 0.00 0.230   0.006 654   42 80   10
Stags Leap Dist (Silverado Vineyards) 8/1/26 91.4   1.6 1602 54.5   7.2 0347 56.1   3.3 92   2 32   3 2.9 17.1   1.3 1626 SE | 133 0.00 0.00 0.224   0.011 609   39 90   10
Borreo (Soda Canyon) 8/1/26 90.9   1.7 1554 53.8   6.0 0200 55.0   3.0 93   4 31   3 1.7 9.5   0.1 1644 SSW | 204 0.00 0.00 0.219   0.005 664   28 90   10
Wappo Hill Floor 8/1/26 91.8   0.5 1615 52.6   6.2 0319 57.0   2.9 100   0 34   3 2.4 13.0   1.7 1534 SSE | 158 0.00 0.00 0.220   0.009 635   33 50   10
Stags Leap Dist (Chimney Rock) 8/1/26 90.8   1.5 1601 54.5   7.5 0308 59.0   3.1 96   2 40   4 2.5 12.4   0.4 1636 ESE | 121 0.00 0.00 0.197   0.007 564   32 80   10
Yountville-South (Ranch 87) 8/1/26 93.0   0.8 1531 52.8   4.7 0330 57.0   2.8 92   8 32   3 1.6 9.8   0.0 1612 SSW | 204 0.00 0.00 0.206   0.007 613   36 0   0
Yountville-SE (Ranch 85) 8/1/26 90.1   1.0 1610 54.2   6.0 0333 57.9   2.9 95   0 36   3 2.2 12.9   0.0 1600 SSE | 161 0.00 0.00 - 0   0 80   10
Oak Knoll-East (Ranch 53) 8/1/26 90.4   1.1 1519 51.8   2.9 0548 55.8   2.5 91   0 33   4 2.0 13.5   1.6 1716 SE | 139 0.00 0.00 0.215   0.011 637   46 50   10
Napa-NW (Ranch 54) 8/1/26 93.5   1.3 1601 51.9   1.1 0430 56.1   2.1 100   8 31   4 0.6 6.2   0.2 1702 ESE | 116 0.00 0.00 - 0   0 0   0
Napa-North (Ranch 29) 8/1/26 88.3   1.3 1543 53.0   3.1 0617 57.7   2.8 100   0 38   5 1.9 11.6   2.0 1645 SSE | 163 0.00 0.00 0.144   0.002 388   5 80   10
Max   104.8 - 57.8 - 59.2 100 40 3.5 17.1 - - 0.00 0.00 0.231 664 -
Avg   - - - - 56.6 - - 2.1 - - - - - - - -
Min   88.3 - 50.4 - 54.4 86 14 0.6 6.2 - - 0.00 0.00 0.041 0 -

Southern Napa County

22 Stations

Daily Data | America/Los_Angeles
as of 8/2/26 5:07 PM PDT
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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 8/1/26 93.3   2.8 1618 56.7   0.6 0431 52.8   1.3 86   7 21   6 1.6 12.1   0.4 1414 SSE | 166 0.00 0.00 0.228   0.011 691   74 0   0
Mount George (Napa East) 8/1/26 89.6   2.5 1518 60.0   7.7 0016 57.4   1.9 91   9 33   3 1.6 9.0   1.2 1639 WSW | 239 0.00 0.00 0.204   0.005 628   24 80   10
Napa-East (Palmaz 300') 8/1/26 94.9   2.5 1456 58.4   6.4 0110 56.9   2.8 92   8 28   1 1.2 9.4   0.7 1732 W | 271 0.00 0.00 0.187   0.004 536   3 30   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') 8/1/26 90.7   2.8 1539 53.7   2.8 0602 55.8   1.8 100   0 31   1 2.5 10.5   2.9 1341 WSW | 239 0.00 0.00 0.218   0.001 646   12 80   10
Wooden Valley 8/1/26 94.9   2.1 1606 57.6   0.4 0628 53.6   1.8 84   5 21   0 2.9 12.9   0.1 1419 W | 272 0.00 0.00 0.245   0.003 665   9 50   10
Napa-West Upper (Truchard) 8/1/26 89.3   0.9 1521 53.4   0.5 0506 24.9   4.3 100   0 0   0 2.5 12.7   2.3 1647 SE | 146 0.00 0.00 0.221   0.009 634   30 60   10
Napa-West Lower (Truchard) 8/1/26 89.0   1.4 1508 46.3   1.9 0604 54.0   1.8 95   0 35   5 - - - - - - - - 80   10
Napa-South (Toyon Farms) 8/1/26 86.0   0.9 1447 54.5   1.2 0530 59.4   2.0 100   0 44   8 2.8 12.0   2.2 1643 S | 170 0.00 0.00 0.121   0.004 329   7 100   0
Toyon Remote 1 8/1/26 85.3   0.3 1541 49.9   0.2 0619 - - - - - - - - - - - -
Toyon Remote 2 8/1/26 85.8   0.9 1556 49.5   2.1 0511 - - - - - - - - - - - -
Toyon Remote 3 8/1/26 86.4   0.0 1540 49.7   1.2 0445 - - - - - - - - - - - -
Dealy Lane (Ranch 80) 8/1/26 86.7   0.3 1658 51.1   0.1 0516 55.8   1.7 96   1 36   6 2.3 13.7   0.4 1254 SSE | 152 0.00 0.00 0.199   0.013 608   44 80   10
Carneros (Saintsbury) 8/1/26 84.1   0.0 1532 49.9   1.4 0543 55.8   2.0 100   0 40   5 3.4 14.0   0.6 1536 S | 173 0.00 0.00 - - 100   0
Suscol Lower (Ranch 35) 8/1/26 86.4   0.4 1521 54.6   1.7 0457 55.9   2.1 100   0 34   6 3.6 13.0   1.8 1630 SW | 216 0.00 0.00 0.199   0.014 571   44 90   10
Suscol Mtn (Ranch 93) 8/1/26 90.9   1.7 1541 55.0   0.5 0722 56.3   1.9 99   2 32   4 3.8 11.6   1.6 1124 W | 271 0.00 0.00 - - 80   10
Suscol Upper (Ranch 92) 8/1/26 88.4   2.0 1554 55.8   1.0 0724 21.1   5.7 100   0 0   0 1.3 10.7   0.5 1359 W | 278 0.00 0.00 - - 80   10
Stanly (Ranch 45) 8/1/26 85.2   1.8 1521 50.5   0.3 0531 56.3   2.1 94   0 39   6 3.8 13.5   2.7 1629 SSW | 205 0.00 0.00 0.215   0.016 650   43 100   0
Carneros Upper (Ranch 81) 8/1/26 87.5   0.8 1504 55.3   0.1 0609 50.4   3.9 - - 2.9 14.6   1.2 1511 S | 172 - - - - 80   10
Carneros (Mitsuko) 8/1/26 84.5   0.8 1718 47.9   2.1 0513 - - - - - - - - - - - 100   0
Carneros Lower (Ranch 81) 8/1/26 87.4   0.9 1516 52.1   2.0 0525 55.2   2.7 100   0 0   0 1.6 12.1   0.0 1627 SSE | 159 0.00 0.00 0.198   0.011 608   38 90   10
Carneros (Milton Rd) 8/1/26 83.9   0.4 1451 52.0   3.1 0415 56.5   2.3 92   1 41   6 - - - - 0.00 0.00 - - 100   0
Max   94.9 - 60.0 - 59.4 100 44 3.8 14.6 - - 0.00 0.00 0.245 691 -
Avg   - - - - 51.7 - - 2.5 - - - - - - - -
Min   83.9 - 46.3 - 21.1 84 0 1.2 9.0 - - 0.00 0.00 0.121 329 -