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Latest Observation

13 Stations

Daily Data | America/Los_Angeles
as of 7/28/26 1:12 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 7/27/26 88.6   0.9 1516 50.0   1.0 0544 - - - - - - - 0.00 0.00 - - 30   10
Pope Valley (Weeks Lake) 7/27/26 93.0   0.6 1621 43.5   0.3 0533 49.2   0.1 100   0 20   2 1.8   0.3 12.5   3.5 1528 WSW | 257 0.00 0.00 0.221   0.009 624   3 0   0
Dollarhide Base 7/27/26 94.9   0.6 1444 52.4   0.6 0623 54.3   0.1 94   1 29   1 3.2   0.6 14.5   7.2 1717 SW | 228 0.00 0.00 0.263   0.014 708   8 0   0
Dollarhide 1AS Remote 7/27/26 96.5   0.1 1454 44.2   1.0 0608 51.8   0.4 90   0 27   0 2.8   0.6 17.4   1.8 1715 SW | 216 - - - - 0   0
Dollarhide 16A Remote 7/27/26 95.4   0.3 1429 50.3   0.6 0652 53.9   0.2 94   1 28   0 - - - - - - - - 0   0
Dollarhide 18A Remote 7/27/26 92.5   1.5 1514 42.1   1.0 0605 51.2   0.0 96   1 30   3 - - - - - - - - 0   0
Hardin Rd (Eakle) 7/27/26 94.4   0.4 1500 47.9   1.1 0602 - - - - - - - - - - - 0   0
Angwin 7/27/26 84.2   0.6 1432 66.2   1.0 0605 41.2   0.3 42   6 16   4 2.6   0.2 13.1   0.1 1418 SSE | 156 0.00 0.00 0.061   0.002 0   0 100   0
Lower Angwin (Pioneer) 7/27/26 85.3   1.2 1611 40.8   0.7 0558 - - - 1.9   0.2 13.1   0.3 1430 SW | 234 - - - - 100   0
Las Posadas (Cal Fire) 7/27/26 87.5   0.3 1450 48.3   1.7 0542 51.0   0.8 94   2 33   4 8.8   0.1 20.3   2.9 2037 WSW | 245 0.00 0.00 0.262   0.007 624   4 -
Deer Park 7/27/26 89.7   1.2 1815 51.5   4.1 0608 51.8   0.2 94   10 28   3 2.8   0.9 13.3   3.6 1445 S | 176 0.00 0.00 0.184   0.013 470   4 40   10
Lower Chiles Valley (Brown) 7/27/26 90.2   1.9 1716 48.1   1.4 0626 50.5   0.3 94   2 25   1 3.7   0.2 14.5   2.3 1320 W | 280 0.00 0.00 0.231   0.008 684   5 0   10
Moss Creek Vineyard/Reservior 7/27/26 93.5   0.4 1512 49.9   1.0 0642 50.2   0.6 94   1 22   1 - - - - 0.00 0.00 - - 0   0
Max   96.5 - 66.2 - 54.3 100 33 8.8 20.3 - - 0.00 0.00 0.263 708 -
Avg   - - - - 50.5 - - 3.5 - - - - - - - -
Min   84.2 - 40.8 - 41.2 42 16 1.8 12.5 - - 0.00 0.00 0.061 0 -

Northern & Central Napa County

27 Stations

Daily Data | America/Los_Angeles
as of 7/28/26 1:12 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 7/24/26 96.7   3.5 1504 50.9   2.2 0705 53.9   3.1 95   2 20   12 - - - - 0.00 0.00 - - 10   10
Diamond Mtn (Schramsberg) 7/27/26 91.5   2.0 1458 52.2   0.9 0619 49.2   1.5 88   1 21   1 - - - - 0.00 0.00 - - 40   10
Diamond Mtn (McEachran) 7/27/26 92.3   0.3 1511 52.0   2.6 0611 50.0   1.3 86   3 23   2 - - - - - - - - 40   10
St. Helena-North 7/27/26 91.2   1.9 1451 49.4   1.2 0630 49.6   0.1 86   1 23   4 2.7 14.9   0.2 1511 SE | 139 0.00 0.00 0.219   0.001 600   3 0   0
St. Helena (NVV Office) 7/27/26 90.9   1.5 1724 49.9   1.4 0623 - - - 1.5 10.7   0.7 1617 SE | 136 0.00 0.00 - - 0   0
Tiara Fria (East St. Helena) 7/27/26 87.7   2.2 1804 47.6   0.1 0543 51.6   0.1 88   0 31   7 2.2 12.5   1.2 1542 ESE | 114 0.00 0.00 - - 0   0
Prisoner Winery 7/27/26 91.5   1.1 1711 46.4   1.1 0553 52.0   0.1 97   0 28   5 1.3 9.0   1.1 1655 SE | 132 0.00 0.00 0.054   0.063 113   221 0   0
Rutherford Hill Estate 7/27/26 88.7   0.0 1558 52.1   1.0 0607 53.0   0.1 100   0 29   5 1.7 14.9   1.8 1515 SSW | 196 0.00 0.00 0.192   0.006 576   6 0   0
Rutherford-North (Mee Ln) 7/27/26 87.9   4.3 1749 43.9   1.0 0555 50.7   0.2 89   2 32   10 3.0 16.0   1.5 1609 S | 171 0.00 0.00 0.210   0.008 577   22 20   10
Rutherford (STS) 7/27/26 88.9   2.4 1747 44.2   0.6 0524 53.9   0.0 92   0 36   11 2.0 13.2   1.4 1406 SE | 124 0.00 0.00 0.228   0.004 688   5 0   0
Oakville-NE (Ranch 88) 7/27/26 88.6   0.9 1810 43.1   1.6 0606 48.7   0.5 84   1 28   6 2.2 14.5   2.4 1512 SSW | 205 0.00 0.00 0.217   0.007 629   6 100   0
OV561-East 7/27/26 91.5   0.0 1747 46.8   1.0 0607 - - - - - - - - - - - 10   10
Oakville 7/27/26 85.7   0.6 1746 45.0   1.4 0603 50.7   0.5 91   1 32   8 3.6 17.2   3.2 1418 ESE | 117 0.00 0.00 0.234   0.006 683   4 100   10
OV518-West 7/27/26 85.8   0.2 1745 46.5   0.6 0627 - - - - - - - - - - - 100   10
To Kalon Remote (TKKE) 7/27/26 88.8   1.9 1738 45.4   2.0 0615 - - - - - - - - - - - 0   0
To Kalon 7/27/26 86.6   2.4 1731 45.8   1.7 0604 52.2   0.2 94   1 33   14 3.3 15.9   3.3 1441 SE | 134 0.00 0.00 0.227   0.008 650   5 80   20
To Kalon Remote (TKN5) 7/27/26 88.9   1.3 1746 45.8   1.5 0617 - - - - - - - - - - - 0   0
Yountville (Ranch 67) 7/27/26 84.4   1.0 1738 44.5   1.3 0616 50.1   0.6 90   0 32   2 3.2 16.2   1.5 1525 ESE | 119 0.00 0.00 0.222   0.006 698   6 100   10
Stags Leap Dist (Silverado Vineyards) 7/27/26 86.3   0.2 1731 45.0   0.6 0608 50.3   0.3 93   0 30   2 3.0 16.3   1.1 1335 SSE | 166 0.00 0.00 0.226   0.004 660   6 90   20
Borreo (Soda Canyon) 7/27/26 82.9   0.2 1719 46.1   0.9 0621 49.9   0.3 97   0 31   2 2.0 11.2   0.3 1340 SE | 134 0.00 0.00 0.220   0.004 708   4 100   10
Wappo Hill Floor 7/27/26 87.3   0.4 1742 44.5   0.6 0615 51.6   0.0 100   10 30   1 2.8 15.2   1.9 1338 SE | 140 0.00 0.00 0.226   0.008 687   4 100   10
Stags Leap Dist (Chimney Rock) 7/27/26 85.3   0.4 1714 43.7   0.9 0553 53.1   0.4 98   1 38   1 2.7 15.3   0.2 1613 SSE | 158 0.00 0.00 0.200   0.005 610   3 100   10
Yountville-South (Ranch 87) 7/27/26 86.2   1.6 1723 45.8   0.8 0610 51.8   0.7 95   2 32   1 1.7 13.6   1.0 1321 SSE | 160 0.00 0.00 0.213   0.008 672   8 20   10
Yountville-SE (Ranch 85) 7/27/26 84.8   0.2 1731 46.0   1.4 0610 52.5   0.7 94   0 34   2 2.8 14.8   0.7 1502 SSE | 153 0.00 0.00 - 0   0 100   10
Oak Knoll-East (Ranch 53) 7/27/26 86.4   0.6 1732 46.7   1.1 0627 51.2   0.7 90   1 28   0 2.6 14.5   0.8 1534 SE | 134 0.00 0.00 0.225   0.004 702   3 100   10
Napa-NW (Ranch 54) 7/27/26 91.2   0.5 1718 48.0   1.0 0550 51.2   0.5 90   0 25   2 0.6 10.5   1.3 1647 SW | 225 0.00 0.00 - 0   0 40   10
Napa-North (Ranch 29) 7/27/26 85.9   1.9 1704 47.3   1.1 0543 53.0   0.6 100   0 32   3 1.6 13.4   2.3 1612 S | 178 0.00 0.00 0.137   0.006 399   4 100   0
Max   92.3 - 52.2 - 53.9 100 38 3.6 17.2 - - 0.00 0.00 0.234 708 -
Avg   - - - - 51.3 - - 2.3 - - - - - - - -
Min   82.9 - 43.1 - 48.7 84 21 0.6 9.0 - - 0.00 0.00 0.054 0 -

Southern Napa County

22 Stations

Daily Data | America/Los_Angeles
as of 7/28/26 1:12 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 7/27/26 86.1   2.9 1632 54.2   0.9 0610 48.9   0.6 84   3 16   2 1.5 12.4   2.0 1347 SSE | 159 0.00 0.00 0.204   0.000 683   34 40   10
Mount George (Napa East) 7/27/26 83.0   1.4 1747 49.8   3.4 0720 52.1   1.2 95   2 32   3 1.7 10.7   2.7 1728 ESE | 121 0.00 0.00 0.202   0.004 660   12 100   0
Napa-East (Palmaz 300') 7/27/26 86.6   0.3 1640 51.3   1.3 0715 52.8   0.0 100   0 30   3 1.4 10.3   3.1 1233 SSW | 208 0.00 0.00 0.185   0.004 548   6 80   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') 7/27/26 79.1   0.1 1630 51.5   2.5 0618 52.5   0.2 100   0 37   3 3.2 13.8   2.1 1502 SW | 234 0.00 0.00 0.201   0.004 661   12 100   0
Wooden Valley 7/27/26 83.5   0.0 1645 55.6   1.6 0628 50.4   0.1 81   5 30   3 4.6 16.9   0.5 1529 SSW | 206 0.00 0.00 0.234   0.004 695   2 100   0
Napa-West Upper (Truchard) 7/27/26 87.5   0.2 1646 50.4   0.8 0624 30.4   3.3 100   0 0   0 3.4 17.3   0.8 1557 S | 182 0.00 0.00 0.233   0.005 680   2 50   10
Napa-West Lower (Truchard) 7/27/26 87.4   0.7 1751 42.8   0.8 0544 49.7   0.7 95   1 27   2 - - - - - - - - 80   10
Napa-South (Toyon Farms) 7/27/26 83.8   0.5 1645 50.2   0.7 0658 55.2   0.7 100   0 39   3 4.1 17.5   0.7 1254 S | 178 0.00 0.00 0.123   0.000 332   1 100   0
Toyon Remote 1 7/27/26 86.6   0.6 1552 46.1   0.0 0438 - - - - - - - - - - - -
Toyon Remote 2 7/27/26 85.1   1.1 1649 45.4   0.6 0611 - - - - - - - - - - - -
Toyon Remote 3 7/27/26 87.8   0.3 1601 45.6   0.2 0530 - - - - - - - - - - - -
Dealy Lane (Ranch 80) 7/27/26 84.3   0.4 1506 46.9   2.4 0553 51.3   0.5 95   1 31   3 2.7 15.8   0.4 1144 SE | 143 0.00 0.00 0.211   0.005 664   3 100   0
Carneros (Saintsbury) 7/27/26 84.8   1.1 1555 46.3   1.6 0613 51.7   0.9 100   0 32   5 4.8 18.4   5.5 1355 SSE | 162 0.00 0.00 - - 100   0
Suscol Lower (Ranch 35) 7/27/26 84.4   0.0 1717 51.5   0.7 0436 52.3   0.3 100   0 29   4 4.9 17.4   0.2 1437 SSW | 192 0.00 0.00 0.209   0.002 612   2 100   0
Suscol Mtn (Ranch 93) 7/27/26 82.7   0.8 1514 52.6   0.8 0654 53.4   0.3 95   2 32   5 5.3 19.1   3.5 1528 WNW | 288 0.00 0.00 - - 100   0
Suscol Upper (Ranch 92) 7/27/26 81.1   0.2 1725 53.2   0.1 0654 52.9   0.4 94   1 34   3 4.1 17.0   1.0 1521 SW | 230 0.00 0.00 - - 100   0
Stanly (Ranch 45) 7/27/26 84.5   0.7 1658 47.7   1.7 0626 52.1   0.3 94   1 30   6 4.7 17.9   3.6 1604 S | 186 0.00 0.00 0.235   0.002 740   3 100   0
Carneros Upper (Ranch 81) 7/27/26 82.4   1.2 1444 53.7   0.6 0605 52.0   0.8 - - 7.6 26.3   6.7 1812 W | 260 - - - - 100   0
Carneros (Mitsuko) 7/27/26 84.8   0.4 1556 44.1   0.3 0534 - - - - - - - - - - - 100   0
Carneros Lower (Ranch 81) 7/27/26 90.1   0.5 1604 47.3   3.0 0547 50.8   2.2 100   0 0   0 1.4 13.3   1.3 1342 SSE | 156 0.00 0.00 0.199   0.003 643   4 50   10
Carneros (Milton Rd) 7/27/26 85.2   0.7 1637 47.4   2.3 0618 51.2   0.5 94   0 29   6 - - - - 0.00 0.00 - - 100   0
Max   90.1 - 55.6 - 55.2 100 39 7.6 26.3 - - 0.00 0.00 0.235 740 -
Avg   - - - - 50.6 - - 3.7 - - - - - - - -
Min   79.1 - 42.8 - 30.4 81 0 1.4 10.3 - - 0.00 0.00 0.123 332 -