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Latest Observation

13 Stations

Daily Data | America/Los_Angeles
as of 8/26/26 2:43 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 8/25/26 89.0   1.2 1605 55.1   0.1 0023 - - - - - - - 0.00 0.00 - - 30   10
Pope Valley (Weeks Lake) 8/25/26 93.7   1.2 1502 48.4   0.8 0059 44.3   3.4 91   1 12   5 1.9   0.0 16.2   3.7 1240 ESE | 120 0.00 0.00 0.196   0.002 530   22 0   0
Dollarhide Base 8/25/26 97.6   1.9 1528 55.6   0.7 0538 49.2   3.9 89   2 17   2 3.0   0.3 15.6   1.3 1658 SW | 220 0.00 0.00 0.240   0.006 608   9 0   0
Dollarhide 1AS Remote 8/25/26 98.3   1.3 1541 50.2   1.2 0603 46.9   3.5 85   0 16   2 2.2   0.7 15.6   0.8 1527 WSW | 243 - - - - 0   0
Dollarhide 16A Remote 8/25/26 97.8   3.5 1538 54.9   0.1 0622 49.2   4.2 90   2 16   7 - - - - - - - - 0   0
Dollarhide 18A Remote 8/25/26 95.0   1.2 1511 48.6   1.7 0604 47.2   3.1 92   0 16   4 - - - - - - - - 0   0
Hardin Rd (Eakle) 8/25/26 94.6   0.1 1447 52.9   1.5 0554 - - - - - - - - - - - 0   0
Angwin 8/25/26 86.4   1.9 1608 66.1   1.8 0621 35.5   6.9 36   10 15   4 2.9   0.3 13.8   0.2 1822 SW | 217 0.00 0.00 0.072   0.001 0   0 100   0
Lower Angwin (Pioneer) 8/25/26 88.3   2.9 1544 44.8   0.6 0059 - - - 1.6   0.2 12.5   1.2 1634 WSW | 239 - - - - 100   0
Las Posadas (Cal Fire) 8/25/26 90.4   2.8 1649 52.5   1.2 0612 47.1   6.4 98   0 14   18 7.4   0.2 20.5   3.0 1619 SSW | 198 0.00 0.00 0.241   0.027 537   2 -
Deer Park 8/25/26 94.8   3.8 1627 54.9   2.5 0711 48.2   6.9 95   0 10   20 3.0   0.4 12.2   0.5 1839 NW | 311 0.00 0.00 0.173   0.018 409   18 0   0
Lower Chiles Valley (Brown) 8/25/26 91.8   1.3 1537 54.4   1.8 0514 47.1   6.8 100   0 14   5 4.2   0.2 15.6   0.7 1613 NW | 311 0.00 0.00 0.210   0.006 565   18 0   0
Moss Creek Vineyard/Reservior 8/25/26 97.6   0.9 1326 55.3   0.5 0654 46.6   3.4 90   1 7   2 - - - - 0.00 0.00 - - 0   0
Max   98.3 - 66.1 - 49.2 100 17 7.4 20.5 - - 0.00 0.00 0.241 608 -
Avg   - - - - 46.1 - - 3.3 - - - - - - - -
Min   86.4 - 44.8 - 35.5 36 7 1.6 12.2 - - 0.00 0.00 0.072 0 -

Northern & Central Napa County

27 Stations

Daily Data | America/Los_Angeles
as of 8/26/26 2:43 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 8/25/26 95.3   2.0 1518 54.9   1.0 0332 52.0   3.1 95   1 19   13 - - - - 0.00 0.00 - - 0   0
Diamond Mtn (Schramsberg) 8/25/26 92.6   2.7 1439 52.7   1.7 0433 46.3   5.8 100   0 8   15 - - - - 0.00 0.00 - - 0   0
Diamond Mtn (McEachran) 8/25/26 93.7   1.8 1447 54.2   1.4 0723 47.4   4.8 97   0 12   11 - - - - - - - - 0   0
St. Helena-North 8/25/26 96.6   5.8 1612 56.6   0.2 0239 46.2   7.0 86   0 5   19 2.1 10.8   1.5 1305 SSW | 196 0.00 0.00 0.182   0.000 498   2 0   0
St. Helena (NVV Office) 8/25/26 97.5   7.7 1632 57.2   1.4 0713 - - - 1.4 10.5   1.0 1844 WSW | 257 0.00 0.00 - - 0   0
Tiara Fria (East St. Helena) 8/25/26 94.5   6.8 1645 56.0   0.7 0226 50.1   6.3 89   3 12   24 2.3 12.6   1.2 1728 WSW | 253 0.00 0.00 - - 0   0
Prisoner Winery 8/25/26 95.2   4.0 1632 52.6   1.5 0212 49.8   6.7 97   0 8   24 1.5 10.0   2.1 1728 SW | 219 0.00 0.00 0.092   0.041 193   51 0   0
Rutherford Hill Estate 8/25/26 93.5   4.8 1531 55.8   0.6 0207 51.1   5.4 93   1 13   20 1.4 11.0   1.1 1651 SSE | 159 0.00 0.00 0.166   0.002 492   9 0   0
Rutherford-North (Mee Ln) 8/25/26 94.7   7.9 1704 52.0   1.4 0233 50.4   5.5 92   0 12   25 2.2 11.6   3.7 1610 E | 91 0.00 0.00 0.173   0.001 480   5 0   0
Rutherford (STS) 8/25/26 94.5   4.5 1655 52.8   0.4 0239 53.5   4.7 91   0 17   23 1.8 11.6   1.2 1822 WSW | 247 0.00 0.00 0.194   0.004 564   1 0   0
Oakville-NE (Ranch 88) 8/25/26 93.4   5.5 1635 52.4   1.6 0259 50.6   4.0 88   0 15   19 1.5 12.2   3.8 1708 S | 182 0.00 0.00 0.169   0.008 476   11 100   0
OV561-East 8/25/26 96.1   7.7 1634 55.1   1.5 0255 - - - - - - - - - - - 0   0
Oakville 8/25/26 89.8   6.1 1653 54.0   1.5 0203 52.2   3.9 92   0 20   21 2.8 13.7   3.4 1356 SE | 127 0.00 0.00 0.189   0.002 530   16 90   10
OV518-West 8/25/26 89.6   5.2 1818 54.8   2.0 0155 - - - - - - - - - - - 90   10
To Kalon Remote (TKKE) 8/25/26 95.2   7.2 1705 54.2   0.2 0231 - - - - - - - - - - - 0   0
To Kalon 8/25/26 92.1   6.9 1720 54.0   1.4 0155 52.6   4.2 95   1 17   23 2.5 13.0   2.9 1556 SE | 131 0.00 0.00 0.183   0.006 506   24 80   10
To Kalon Remote (TKN5) 8/25/26 94.2   4.5 1702 54.9   0.4 0203 - - - - - - - - - - - 0   0
Yountville (Ranch 67) 8/25/26 88.6   5.6 1604 54.1   0.7 0416 52.4   2.6 90   0 23   17 2.6 12.9   4.3 1548 SE | 127 0.00 0.00 0.192   0.003 594   6 90   10
Stags Leap Dist (Silverado Vineyards) 8/25/26 90.2   6.5 1638 54.5   0.2 0416 52.4   2.7 92   0 20   19 2.2 12.8   5.7 1454 SSE | 151 0.00 0.00 0.185   0.001 536   3 100   10
Borreo (Soda Canyon) 8/25/26 86.6   5.0 1719 51.1   0.9 0450 50.8   2.7 94   1 24   15 1.8 9.9   0.8 1425 E | 98 0.00 0.00 0.182   0.000 576   17 100   10
Wappo Hill Floor 8/25/26 90.1   5.7 1648 54.1   2.0 0425 54.0   2.3 100   0 19   21 2.5 11.8   1.8 1542 ESE | 115 0.00 0.00 0.189   0.004 546   5 90   10
Stags Leap Dist (Chimney Rock) 8/25/26 88.3   5.6 1609 53.8   0.8 0101 55.9   1.9 96   1 31   17 2.5 13.2   0.4 1531 SSE | 164 0.00 0.00 0.166   0.001 486   27 90   10
Yountville-South (Ranch 87) 8/25/26 91.0   4.9 1646 54.0   0.6 0148 53.8   2.8 100   0 19   19 1.5 9.5   1.6 1414 SSW | 202 0.00 0.00 0.177   0.003 534   6 0   10
Yountville-SE (Ranch 85) 8/25/26 88.6   6.6 1640 55.3   1.2 0410 54.4   2.4 94   0 20   24 2.5 11.8   1.4 1608 SSE | 154 0.00 0.00 - 0   0 90   10
Oak Knoll-East (Ranch 53) 8/25/26 89.6   6.3 1613 55.1   0.7 0425 52.6   3.1 92   1 17   23 2.2 12.2   1.5 1458 SE | 131 0.00 0.00 0.184   0.002 546   45 90   10
Napa-NW (Ranch 54) 8/25/26 93.7   8.2 1754 53.4   2.9 0331 52.2   3.9 93   2 18   20 0.7 9.1   0.9 1630 SSW | 206 0.00 0.00 - 0   0 90   10
Napa-North (Ranch 29) 8/25/26 86.5   5.5 1732 55.9   1.8 0405 55.2   1.5 100   0 27   17 1.5 11.3   0.7 1605 SSW | 192 0.00 0.00 0.115   0.004 326   27 100   0
Max   97.5 - 57.2 - 55.9 100 31 2.8 13.7 - - 0.00 0.00 0.194 594 -
Avg   - - - - 51.6 - - 2.0 - - - - - - - -
Min   86.5 - 51.1 - 46.2 86 5 0.7 9.1 - - 0.00 0.00 0.092 0 -

Southern Napa County

22 Stations

Daily Data | America/Los_Angeles
as of 8/26/26 2:43 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 8/25/26 88.2   2.9 1515 55.8   2.7 0545 46.9   1.5 85   14 17   1 1.5 10.9   0.6 1424 SE | 135 0.00 0.00 0.202   0.020 700   84 90   10
Mount George (Napa East) 8/25/26 96.1   4.0 1429 55.5   2.6 0052 55.7   0.9 94   1 31   12 1.4 8.5   1.2 1502 W | 260 0.00 0.00 0.170   0.012 528   62 90   10
Napa-East (Palmaz 300') 8/25/26 90.2   3.3 1549 54.9   1.7 0054 53.3   1.5 95   5 27   7 0.4 8.6   1.8 1530 SW | 230 0.00 0.00 0.136   0.012 425   56 60   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') 8/25/26 84.0   3.7 1615 52.4   0.9 0628 51.5   2.9 100   0 32   9 2.5 11.9   0.2 1558 SW | 236 0.00 0.03 0.173   0.004 549   37 100   0
Wooden Valley 8/25/26 88.8   3.6 1510 56.0   0.8 0658 49.0   3.0 87   5 21   7 3.5 15.4   1.1 0441 WSW | 237 0.00 0.00 0.194   0.011 554   45 50   10
Napa-West Upper (Truchard) 8/25/26 90.2   7.8 1601 53.2   1.1 0406 22.4   1.8 100   0 0   0 2.5 14.6   1.4 1635 SSW | 208 0.00 0.00 0.192   0.001 537   58 90   10
Napa-West Lower (Truchard) 8/25/26 89.7   8.2 1606 49.9   0.9 0150 51.2   2.2 94   2 19   23 - - - - - - - - 90   10
Napa-South (Toyon Farms) 8/25/26 87.3   7.8 1608 55.8   1.6 0051 56.2   1.5 98   2 29   22 2.5 13.8   0.2 1559 S | 172 0.00 0.00 0.108   0.012 273   6 90   10
Toyon Remote 1 8/25/26 90.3   10.9 1636 51.8   1.2 0046 - - - - - - - - - - - -
Toyon Remote 2 8/25/26 87.2   8.2 1641 53.0   2.0 0059 - - - - - - - - - - - -
Toyon Remote 3 8/25/26 91.1   11.1 1608 51.5   1.9 0059 - - - - - - - - - - - -
Dealy Lane (Ranch 80) 8/25/26 89.2   8.2 1537 54.3   2.3 0001 52.3   2.7 92   4 21   21 2.4 12.2   1.0 1155 SSE | 158 0.00 0.00 0.177   0.000 537   46 90   10
Carneros (Saintsbury) 8/25/26 86.5   8.7 1629 52.8   3.4 0336 52.9   1.4 100   0 24   24 4.8 14.4   0.0 1807 SSW | 202 0.00 0.00 - - 100   0
Suscol Lower (Ranch 35) 8/25/26 82.9   3.9 1546 55.5   3.8 0221 54.0   1.0 92   7 29   14 4.3 13.6   1.9 1642 SSW | 203 0.00 0.00 0.174   0.001 491   52 100   0
Suscol Mtn (Ranch 93) 8/25/26 85.7   3.1 1524 53.5   0.4 0716 53.8   2.0 100   1 32   10 5.2 15.3   1.6 1858 NW | 311 0.00 0.00 - - 100   0
Suscol Upper (Ranch 92) 8/25/26 82.1   3.4 1538 54.2   0.2 0707 19.9   2.2 100   0 0   0 2.6 14.0   2.0 1856 SW | 233 0.00 0.00 - - 100   0
Stanly (Ranch 45) 8/25/26 85.3   8.1 1757 54.4   4.5 0409 53.8   0.8 92   2 26   22 4.4 15.5   0.3 1728 SSW | 205 0.00 0.00 0.196   0.004 578   61 100   0
Carneros Upper (Ranch 81) 8/25/26 88.5   7.1 1500 55.9   1.6 0610 51.8   2.6 - - 9.4 22.8   1.1 1751 W | 260 - - - - 90   10
Carneros (Mitsuko) 8/25/26 88.9   9.6 1557 50.8   2.3 0054 - - - - - - - - - - - 90   10
Carneros Lower (Ranch 81) 8/25/26 96.7   16.5 1557 56.3   3.2 0326 53.6   2.0 93   7 20   26 1.0 12.9   2.1 1756 WNW | 297 0.00 0.00 0.020   0.029 9   70 90   10
Carneros (Milton Rd) 8/25/26 86.0   8.1 1723 50.8   1.7 0047 53.6   1.1 92   2 26   21 - - - - 0.00 0.00 - - 100   0
Max   96.7 - 56.3 - 56.2 100 32 9.4 22.8 - - 0.00 0.03 0.202 700 -
Avg   - - - - 48.9 - - 3.2 - - - - - - - -
Min   82.1 - 49.9 - 19.9 85 0 0.4 8.5 - - 0.00 0.00 0.020 9 -