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Latest Observation

13 Stations

Daily Data | America/Los_Angeles
as of 7/20/26 5:46 AM 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 7/19/26 90.6   3.1 1228 52.8   1.6 0441 - - - - - - - 0.00 0.00 - - 50   10
Pope Valley (Weeks Lake) 7/19/26 96.1   4.1 1515 45.8   1.1 0537 46.5   0.5 93   7 10   2 1.8   0.1 11.4   0.7 1535 WSW | 244 0.00 0.00 0.198   0.024 529   112 0   0
Dollarhide Base 7/19/26 99.6   5.3 1516 52.6   0.4 0531 53.2   0.4 95   2 15   5 3.0   0.5 14.2   0.2 1537 WSW | 253 0.00 0.00 0.233   0.032 591   151 0   0
Dollarhide 1AS Remote 7/19/26 100.9   5.2 1534 48.2   1.2 0453 51.2   0.0 89   3 11   7 2.8   0.1 15.7   1.0 2036 S | 175 - - - - 0   0
Dollarhide 16A Remote 7/19/26 100.5   5.5 1406 52.5   1.3 0508 53.2   0.2 93   3 12   6 - - - - - - - - 0   0
Dollarhide 18A Remote 7/19/26 96.9   4.5 1558 46.7   2.2 0456 50.4   0.3 94   2 15   5 - - - - - - - - 0   0
Hardin Rd (Eakle) 7/19/26 96.9   2.5 1516 50.4   1.2 0537 - - - - - - - - - - - 0   0
Angwin 7/19/26 86.1   3.0 1503 66.2   2.2 0528 38.0   3.5 58   10 5   0 3.0   0.4 11.2   0.7 1337 SE | 146 0.00 0.00 0.072   0.015 0   0 100   0
Lower Angwin (Pioneer) 7/19/26 88.1   2.8 1508 42.8   1.2 0132 - - - 1.9   0.1 9.9   0.2 1523 W | 276 - - - - 80   10
Las Posadas (Cal Fire) 7/19/26 90.6   3.9 1540 48.0   1.2 0543 52.1   0.4 98   1 16   10 6.7   2.2 18.5   0.0 2207 SSW | 206 0.00 0.00 0.218   0.020 533   106 -
Deer Park 7/19/26 90.1   0.1 1616 51.6   0.7 0420 53.4   0.7 94   1 31   1 3.3   0.3 11.8   0.4 1908 SSE | 153 0.00 0.00 0.164   0.005 405   50 60   10
Lower Chiles Valley (Brown) 7/19/26 91.7   2.6 1545 51.6   0.4 0552 52.2   1.4 100   5 11   6 4.3   0.8 14.3   0.9 1351 WNW | 285 0.00 0.00 0.205   0.016 564   109 20   10
Moss Creek Vineyard/Reservior 7/19/26 97.5   2.9 1501 51.4   1.5 0628 49.6   1.0 89   4 16   6 - - - - 0.00 0.00 - - 0   0
Max   100.9 - 66.2 - 53.4 100 31 6.7 18.5 - - 0.00 0.00 0.233 591 -
Avg   - - - - 50.0 - - 3.4 - - - - - - - -
Min   86.1 - 42.8 - 38.0 58 5 1.8 9.9 - - 0.00 0.00 0.072 0 -

Northern & Central Napa County

27 Stations

Daily Data | America/Los_Angeles
as of 7/20/26 5:46 AM 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 7/19/26 94.9   4.0 1445 49.8   1.2 0437 54.2   0.9 96   2 27   0 - - - - 0.00 0.00 - - 0   0
Diamond Mtn (Schramsberg) 7/19/26 90.6   2.8 1623 50.7   0.5 0610 52.9   2.7 100   0 28   8 - - - - 0.00 0.00 - - 60   10
Diamond Mtn (McEachran) 7/19/26 92.2   4.2 1622 52.0   0.3 0650 53.6   3.2 95   2 27   9 - - - - - - - - 60   10
St. Helena-North 7/19/26 91.6   0.4 1618 52.5   0.2 0337 52.0   1.1 83   0 27   10 3.2 12.7   1.1 1628 SSE | 159 0.00 0.00 0.200   0.000 506   75 0   0
St. Helena (NVV Office) 7/19/26 90.2   0.3 1615 54.8   0.1 0554 - - - 1.8 9.3   1.7 1347 E | 85 0.00 0.00 - - 10   10
Tiara Fria (East St. Helena) 7/19/26 87.0   0.5 1606 53.8   0.4 0234 54.4   0.9 90   3 36   1 2.4 10.6   0.2 1902 SE | 131 0.00 0.00 - - 40   10
Prisoner Winery 7/19/26 91.7   1.3 1535 49.6   0.8 0308 54.2   0.6 97   2 32   1 1.3 7.8   0.0 1607 SSE | 153 0.00 0.00 0.156   0.042 462   150 10   10
Rutherford Hill Estate 7/19/26 88.9   0.2 1508 52.9   0.4 0511 54.2   0.9 93   2 32   1 1.4 11.2   2.2 1701 SSW | 205 0.00 0.00 0.157   0.019 474   70 40   10
Rutherford-North (Mee Ln) 7/19/26 87.0   0.6 1536 47.9   1.5 0424 53.5   0.5 93   1 35   2 3.0 14.9   0.9 1925 SSE | 159 0.00 0.00 0.177   0.019 487   84 70   20
Rutherford (STS) 7/19/26 88.9   0.6 1528 47.8   2.4 0440 56.1   0.3 92   0 41   0 2.2 11.8   1.4 1538 ESE | 108 0.00 0.00 0.179   0.027 532   98 40   10
Oakville-NE (Ranch 88) 7/19/26 87.8   0.3 1516 49.6   0.0 0334 52.7   0.9 88   0 34   0 2.4 14.5   0.1 1945 S | 186 0.00 0.00 0.175   0.023 492   86 100   0
OV561-East 7/19/26 86.3   2.7 1522 52.6   0.5 0256 - - - - - - - - - - - 60   10
Oakville 7/19/26 83.3   0.9 1531 52.2   0.7 0354 54.1   1.0 91   0 42   2 3.6 16.7   1.3 1641 SE | 144 0.00 0.00 0.184   0.027 530   105 100   0
OV518-West 7/19/26 82.7   0.5 1517 51.7   0.6 0334 - - - - - - - - - - - 100   0
To Kalon Remote (TKKE) 7/19/26 88.2   0.8 1531 49.9   1.0 0335 - - - - - - - - - - - 40   10
To Kalon 7/19/26 84.6   0.3 1539 50.0   0.4 0416 54.8   0.7 94   0 41   1 3.3 16.4   0.6 1614 SSE | 150 0.00 0.00 0.178   0.023 498   89 100   10
To Kalon Remote (TKN5) 7/19/26 88.0   0.3 1529 50.5   1.0 0340 - - - - - - - - - - - 40   10
Yountville (Ranch 67) 7/19/26 82.5   0.1 1517 52.8   0.3 0145 53.3   1.0 90   2 41   0 4.0 15.2   1.5 1916 SSE | 160 0.00 0.00 0.190   0.015 588   75 100   0
Stags Leap Dist (Silverado Vineyards) 7/19/26 82.9   0.0 1525 52.4   1.7 0252 53.4   0.9 91   4 39   0 3.5 16.3   1.4 1851 SE | 145 0.00 0.00 0.187   0.011 548   49 100   10
Borreo (Soda Canyon) 7/19/26 83.1   2.2 1525 49.7   0.5 0250 52.4   0.7 94   2 37   2 1.8 10.2   0.1 1851 S | 191 0.00 0.00 0.182   0.015 593   55 100   0
Wappo Hill Floor 7/19/26 84.4   0.5 1546 52.4   1.1 0228 54.7   1.0 100   9 42   0 3.1 12.8   0.4 1854 SSE | 168 0.00 0.00 0.182   0.020 544   79 100   0
Stags Leap Dist (Chimney Rock) 7/19/26 83.1   0.4 1520 53.2   0.9 0153 56.0   0.7 94   3 47   1 3.0 14.2   0.6 1731 SSW | 203 0.00 0.00 0.162   0.014 490   65 100   0
Yountville-South (Ranch 87) 7/19/26 85.0   0.1 1554 51.8   1.9 0150 54.9   0.7 93   1 40   1 2.0 11.5   0.3 1849 SSW | 192 0.00 0.00 0.175   0.019 548   74 100   0
Yountville-SE (Ranch 85) 7/19/26 81.4   0.6 1535 52.8   1.3 0146 55.2   0.8 94   2 46   1 2.8 14.1   1.2 1604 SE | 126 0.00 0.00 - 0   0 100   0
Oak Knoll-East (Ranch 53) 7/19/26 83.1   0.3 1523 52.3   1.1 0133 53.6   0.6 91   1 40   1 2.5 12.0   1.2 1437 SE | 142 0.00 0.00 0.176   0.023 547   85 100   0
Napa-NW (Ranch 54) 7/19/26 86.6   0.2 1513 50.0   0.7 0317 53.8   0.9 92   0 37   1 0.6 6.1   1.2 1615 SSE | 148 0.00 0.00 - 0   0 90   20
Napa-North (Ranch 29) 7/19/26 79.7   0.8 1518 53.3   1.1 0607 55.0   0.9 100   8 47   1 2.1 12.8   0.1 1834 S | 188 0.00 0.00 0.118   0.020 336   94 100   0
Max   94.9 - 54.8 - 56.1 100 47 4.0 16.7 - - 0.00 0.00 0.200 593 -
Avg   - - - - 54.0 - - 2.5 - - - - - - - -
Min   79.7 - 47.8 - 52.0 83 27 0.6 6.1 - - 0.00 0.00 0.118 0 -

Southern Napa County

22 Stations

Daily Data | America/Los_Angeles
as of 7/20/26 5:46 AM 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 7/19/26 83.9   0.5 1445 55.5   8.2 0226 52.1   2.1 79   21 30   5 1.5 9.6   1.5 1530 SSW | 200 0.00 0.00 0.239   0.049 889   268 100   0
Mount George (Napa East) 7/19/26 86.1   7.8 2113 51.0   0.0 0120 55.4   1.4 95   5 44   2 1.8 10.2   0.9 1339 WSW | 244 0.00 0.00 0.169   0.015 538   67 100   0
Napa-East (Palmaz 300') 7/19/26 84.1   0.0 1450 51.7   0.6 0138 54.0   0.3 100   6 38   0 1.8 9.8   0.9 1652 SW | 232 0.00 0.00 0.156   0.018 466   69 100   0
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') 7/19/26 80.2   1.0 1625 49.2   1.1 0509 53.4   0.5 100   0 41   3 2.4 11.0   0.2 1838 SW | 228 0.00 0.00 0.176   0.005 566   49 100   0
Wooden Valley 7/19/26 86.9   2.4 1507 54.6   2.9 0557 50.4   0.1 82   11 25   0 3.8 16.7   0.7 0244 SW | 234 0.00 0.00 0.206   0.017 561   147 90   10
Napa-West Upper (Truchard) 7/19/26 82.9   0.6 1449 48.7   2.7 0259 21.4   25.9 100   0 0   0 2.7 15.7   2.0 1837 SSE | 161 0.00 0.00 0.179   0.022 540   81 100   0
Napa-West Lower (Truchard) 7/19/26 82.0   1.3 1517 44.3   2.6 0300 52.8   0.1 94   2 42   3 - - - - - - - - 100   0
Napa-South (Toyon Farms) 7/19/26 79.7   1.1 1445 51.2   0.5 0140 55.9   0.3 99   2 53   3 3.6 15.2   1.2 1845 SSE | 168 0.00 0.00 0.097   0.015 288   74 100   0
Toyon Remote 1 7/19/26 79.6   1.3 1459 50.1   1.7 0304 - - - - - - - - - - - -
Toyon Remote 2 7/19/26 78.6   1.2 1515 50.7   0.1 0108 - - - - - - - - - - - -
Toyon Remote 3 7/19/26 79.7   0.6 1513 49.3   0.5 0146 - - - - - - - - - - - -
Dealy Lane (Ranch 80) 7/19/26 78.1   2.3 1449 50.6   0.3 0121 53.5   0.3 95   3 48   5 2.7 13.0   0.2 1356 SSE | 154 0.00 0.00 0.169   0.015 555   57 100   0
Carneros (Saintsbury) 7/19/26 77.7   1.5 1442 49.3   1.0 0129 53.3   0.2 100   5 48   4 4.5 14.6   0.2 1512 SSE | 162 0.00 0.00 - - 90   10
Suscol Lower (Ranch 35) 7/19/26 78.1   0.4 1608 52.0   2.0 0101 53.3   0.2 100   0 44   3 4.1 14.2   0.7 1833 S | 190 0.00 0.00 0.163   0.010 501   46 100   0
Suscol Mtn (Ranch 93) 7/19/26 81.3   0.8 1626 49.6   1.9 0618 54.2   0.1 100   1 44   2 4.1 14.2   0.4 1336 WNW | 297 0.00 0.00 - - 100   0
Suscol Upper (Ranch 92) 7/19/26 78.6   1.1 1612 50.2   2.1 0624 39.9   23.5 100   0 0   0 1.4 13.7   0.3 1914 S | 186 0.00 0.00 - - 40   20
Stanly (Ranch 45) 7/19/26 75.8   0.8 1441 48.7   0.1 0102 53.4   0.3 92   2 50   0 5.0 15.4   0.9 1841 S | 183 0.00 0.00 0.174   0.021 567   81 70   10
Carneros Upper (Ranch 81) 7/19/26 82.4   3.3 1512 51.6   0.6 0619 32.7   16.5 - - 5.8 16.0   4.2 2123 W | 269 - - - - 100   0
Carneros (Mitsuko) 7/19/26 77.5   0.0 1547 52.2   0.1 0114 - - - - - - - - - - - 100   0
Carneros Lower (Ranch 81) 7/19/26 79.9   1.9 1503 53.0   0.1 0413 54.1   0.2 93   0 48   2 1.6 12.9   0.4 1241 SSE | 166 0.00 0.00 0.162   0.013 529   51 100   0
Carneros (Milton Rd) 7/19/26 76.7   0.6 1513 50.7   0.1 0114 53.6   0.2 92   0 49   3 - - - - 0.00 0.00 - - 100   0
Max   86.9 - 55.5 - 55.9 100 53 5.8 16.7 - - 0.00 0.00 0.239 889 -
Avg   - - - - 49.6 - - 3.1 - - - - - - - -
Min   75.8 - 44.3 - 21.4 79 0 1.4 9.6 - - 0.00 0.00 0.097 288 -