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Latest Observation

13 Stations

Daily Data | America/Los_Angeles
as of 7/19/26 4:51 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 7/18/26 87.5   0.1 1601 51.1   3.4 0421 - - - - - - - 0.00 0.00 - - 60   10
Pope Valley (Weeks Lake) 7/18/26 92.0   0.6 1652 44.7   2.3 0622 47.0   1.1 100   0 12   7 1.8   0.1 12.1   2.0 1450 WSW | 247 0.00 0.00 0.222   0.001 641   4 0   0
Dollarhide Base 7/18/26 94.3   0.7 1619 53.0   2.2 0617 52.9   0.3 92   0 19   10 3.5   0.2 14.5   0.4 1818 SW | 216 0.00 0.00 0.265   0.003 742   1 0   0
Dollarhide 1AS Remote 7/18/26 95.7   1.2 1630 47.0   3.7 0554 51.2   0.2 92   2 18   9 2.7   0.2 14.8   1.1 1458 S | 188 - - - - 0   0
Dollarhide 16A Remote 7/18/26 95.0   1.7 1516 51.2   1.1 0551 53.0   0.3 95   2 18   13 - - - - - - - - 0   0
Dollarhide 18A Remote 7/18/26 92.4   0.7 1610 44.5   3.3 0602 50.2   0.1 96   1 20   8 - - - - - - - - 0   0
Hardin Rd (Eakle) 7/18/26 94.4   1.6 1533 49.2   1.9 0620 - - - - - - - - - - - 0   0
Angwin 7/18/26 83.1   0.2 1519 64.0   2.1 0622 41.5   0.5 49   5 5   4 2.6   0.1 11.9   1.2 1350 SSE | 150 0.00 0.00 0.057   0.002 0   0 100   0
Lower Angwin (Pioneer) 7/18/26 85.3   0.1 1628 41.6   3.2 0423 - - - 1.8   0.1 10.1   3.8 1804 SW | 230 - - - - 90   20
Las Posadas (Cal Fire) 7/18/26 86.7   1.2 1604 49.2   0.9 0615 51.6   0.1 98   1 25   10 8.9   0.1 18.5   0.4 1859 SW | 231 0.00 0.00 0.238   0.000 639   3 -
Deer Park 7/18/26 90.2   2.9 1612 52.3   1.0 0326 52.6   0.3 94   1 30   3 3.0   0.8 12.1   3.4 1736 SSE | 151 0.00 0.00 0.169   0.014 456   23 70   10
Lower Chiles Valley (Brown) 7/18/26 89.1   0.5 1646 52.0   1.1 0613 50.8   0.4 95   2 17   8 3.5   0.4 13.5   0.3 1446 WNW | 294 0.00 0.00 0.221   0.007 672   22 30   10
Moss Creek Vineyard/Reservior 7/18/26 94.6   1.9 1606 49.9   1.8 0620 48.6   0.6 93   1 10   9 - - - - 0.00 0.00 - - 0   0
Max   95.7 - 64.0 - 53.0 100 30 8.9 18.5 - - 0.00 0.00 0.265 742 -
Avg   - - - - 49.9 - - 3.5 - - - - - - - -
Min   83.1 - 41.6 - 41.5 49 5 1.8 10.1 - - 0.00 0.00 0.057 0 -

Northern & Central Napa County

27 Stations

Daily Data | America/Los_Angeles
as of 7/19/26 4:51 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 7/18/26 90.9   2.2 1420 51.0   2.4 0319 53.3   1.4 94   0 27   2 - - - - 0.00 0.00 - - 0   0
Diamond Mtn (Schramsberg) 7/18/26 87.8   0.4 1521 51.2   0.4 0606 50.2   1.9 100   0 20   4 - - - - 0.00 0.00 - - 70   10
Diamond Mtn (McEachran) 7/18/26 88.0   0.9 1503 52.3   0.3 0325 50.4   1.7 93   1 18   15 - - - - - - - - 70   10
St. Helena-North 7/18/26 92.0   4.1 1605 52.3   0.9 0311 50.9   0.7 83   1 16   14 2.1 11.6   3.7 1810 SSE | 157 0.00 0.00 0.200   0.022 580   21 0   0
St. Helena (NVV Office) 7/18/26 90.5   3.3 1552 54.9   3.2 0259 - - - 1.6 11.0   0.3 1732 E | 88 0.00 0.00 - - 20   10
Tiara Fria (East St. Helena) 7/18/26 87.5   3.7 1650 53.4   2.5 0247 53.5   1.2 87   0 35   4 2.3 10.7   3.6 1714 ESE | 102 0.00 0.00 - - 50   10
Prisoner Winery 7/18/26 90.4   2.8 1700 50.4   2.7 0244 53.6   1.1 96   2 33   2 1.4 7.8   2.6 1422 E | 84 0.00 0.00 0.198   0.012 612   26 20   10
Rutherford Hill Estate 7/18/26 89.1   3.7 1519 52.5   1.0 0203 53.3   0.4 92   0 33   4 1.4 13.4   1.3 1638 SSW | 212 0.00 0.00 0.176   0.009 544   26 50   10
Rutherford-North (Mee Ln) 7/18/26 86.4   3.4 1608 49.3   2.9 0242 53.0   1.2 92   0 37   3 2.8 15.8   2.4 1752 ESE | 116 0.00 0.00 0.196   0.013 571   25 50   10
Rutherford (STS) 7/18/26 89.5   4.3 1605 50.2   4.0 0247 55.8   1.3 92   1 40   3 2.2 13.2   2.0 1801 ESE | 122 0.00 0.00 0.206   0.010 630   32 50   10
Oakville-NE (Ranch 88) 7/18/26 87.5   3.3 1644 49.6   2.7 0250 51.8   1.4 88   3 33   3 2.4 14.4   4.4 1911 SSE | 167 0.00 0.00 0.198   0.012 578   30 100   0
OV561-East 7/18/26 89.0   4.2 1611 53.0   3.3 0259 - - - - - - - - - - - 70   10
Oakville 7/18/26 84.2   3.4 1642 51.6   3.7 0241 53.1   1.2 91   3 40   2 3.8 18.0   1.8 1720 SE | 142 0.00 0.00 0.211   0.010 635   32 100   10
OV518-West 7/18/26 83.2   3.2 1615 52.3   4.8 0234 - - - - - - - - - - - 100   10
To Kalon Remote (TKKE) 7/18/26 87.4   2.9 1621 50.8   3.4 0241 - - - - - - - - - - - 50   10
To Kalon 7/18/26 84.9   3.7 1641 50.4   2.6 0336 54.0   1.3 94   1 40   3 3.4 15.9   1.0 1711 SE | 143 0.00 0.00 0.201   0.010 587   31 90   20
To Kalon Remote (TKN5) 7/18/26 87.7   2.8 1516 51.5   3.6 0330 - - - - - - - - - - - 50   10
Yountville (Ranch 67) 7/18/26 82.4   3.5 1634 53.1   4.7 0200 52.3   0.9 89   1 41   2 4.0 16.7   1.9 1650 SE | 130 0.00 0.00 0.205   0.009 663   40 100   0
Stags Leap Dist (Silverado Vineyards) 7/18/26 82.9   3.5 1548 54.1   5.3 0243 52.5   0.9 88   4 40   2 3.8 15.0   3.7 1834 ESE | 113 0.00 0.00 0.198   0.010 598   49 90   20
Borreo (Soda Canyon) 7/18/26 80.9   3.4 1527 50.2   2.7 0219 51.7   0.5 93   2 38   5 2.0 10.1   1.0 1659 SSE | 168 0.00 0.00 0.197   0.008 648   37 100   0
Wappo Hill Floor 7/18/26 83.9   3.6 1608 53.4   5.3 0252 53.6   0.9 91   9 41   1 3.2 13.2   2.2 1708 SE | 129 0.00 0.00 0.202   0.010 624   40 100   10
Stags Leap Dist (Chimney Rock) 7/18/26 82.7   3.1 1614 54.1   5.8 0228 55.3   0.9 92   6 47   1 3.1 13.6   1.5 1750 ESE | 117 0.00 0.00 0.176   0.010 554   31 100   10
Yountville-South (Ranch 87) 7/18/26 84.9   3.6 1547 53.7   5.4 0059 54.2   1.5 92   0 39   3 2.0 11.8   0.0 1529 S | 177 0.00 0.00 0.194   0.008 622   31 100   10
Yountville-SE (Ranch 85) 7/18/26 82.0   3.6 1603 54.1   4.4 0209 54.4   1.1 92   2 45   1 2.9 12.9   1.8 1658 SE | 139 0.00 0.00 - 0   0 100   10
Oak Knoll-East (Ranch 53) 7/18/26 82.8   4.5 1627 53.4   4.3 0254 53.1   1.7 90   1 41   2 2.8 13.2   3.9 1543 ESE | 120 0.00 0.00 0.199   0.005 633   32 100   20
Napa-NW (Ranch 54) 7/18/26 86.8   1.9 1557 50.7   1.6 0252 52.9   1.5 92   3 35   8 0.8 7.4   0.9 1514 E | 84 0.00 0.00 - 0   0 70   10
Napa-North (Ranch 29) 7/18/26 80.5   2.8 1555 54.4   3.5 0126 54.1   0.5 92   8 46   0 2.0 12.9   2.0 1709 S | 189 0.00 0.00 0.138   0.003 430   9 100   0
Max   92.0 - 54.9 - 55.8 100 47 4.0 18.0 - - 0.00 0.00 0.211 663 -
Avg   - - - - 53.0 - - 2.5 - - - - - - - -
Min   80.5 - 49.3 - 50.2 83 16 0.8 7.4 - - 0.00 0.00 0.138 0 -

Southern Napa County

22 Stations

Daily Data | America/Los_Angeles
as of 7/19/26 4:51 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 7/18/26 84.4   0.4 1613 47.3   4.7 0532 50.0   0.3 100   16 25   10 1.5 11.0   1.0 1444 SE | 132 0.00 0.00 0.288   0.006 1,157   54 100   0
Mount George (Napa East) 7/18/26 93.9   6.6 1622 51.0   1.1 0040 54.1   0.5 90   2 46   0 1.9 11.0   0.4 1522 WSW | 257 0.00 0.00 0.184   0.003 605   23 100   10
Napa-East (Palmaz 300') 7/18/26 84.1   3.0 1640 52.3   0.0 0057 53.7   0.2 94   0 38   2 2.0 10.7   1.6 1646 SSW | 205 0.00 0.00 0.174   0.001 536   1 100   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') 7/18/26 79.2   3.7 1500 50.3   0.6 0558 52.9   0.0 100   0 44   6 3.5 11.2   1.5 1731 SW | 232 0.00 0.00 0.181   0.009 615   47 100   20
Wooden Valley 7/18/26 84.5   3.3 1610 51.7   0.5 0542 50.3   0.7 93   3 25   13 5.0 16.0   0.9 1124 SW | 230 0.00 0.00 0.223   0.001 708   4 100   0
Napa-West Upper (Truchard) 7/18/26 82.3   2.8 1543 51.4   0.6 0059 47.3   19.5 100   0 0   0 3.5 13.7   4.4 1451 S | 187 0.00 0.00 0.201   0.008 620   33 100   10
Napa-West Lower (Truchard) 7/18/26 80.7   0.8 1541 46.9   3.6 0054 53.0   2.4 92   2 45   4 - - - - - - - - 100   10
Napa-South (Toyon Farms) 7/18/26 78.6   3.0 1526 51.7   1.5 0050 55.6   0.8 97   2 56   1 4.1 14.0   2.5 1633 SSE | 164 0.00 0.00 0.112   0.003 362   12 100   0
Toyon Remote 1 7/18/26 78.3   2.1 1522 51.7   6.5 0052 - - - - - - - - - - - -
Toyon Remote 2 7/18/26 77.5   2.3 1556 50.8   5.9 0057 - - - - - - - - - - - -
Toyon Remote 3 7/18/26 79.0   2.3 1553 49.8   5.4 0055 - - - - - - - - - - - -
Dealy Lane (Ranch 80) 7/18/26 80.4   1.6 1550 50.9   4.9 0059 53.2   1.8 92   3 43   6 2.7 12.8   3.7 1259 SSE | 150 0.00 0.00 0.184   0.009 611   48 100   0
Carneros (Saintsbury) 7/18/26 76.2   1.4 1531 50.3   4.6 0059 53.2   1.5 95   5 52   2 4.9 14.4   3.9 1631 SSE | 152 0.00 0.00 - - 100   10
Suscol Lower (Ranch 35) 7/18/26 77.8   1.0 1602 50.1   2.5 0008 53.0   0.4 100   7 47   4 4.3 13.5   3.8 1505 SW | 218 0.00 0.00 0.173   0.012 547   35 100   0
Suscol Mtn (Ranch 93) 7/18/26 80.5   1.4 1646 51.5   1.0 0609 54.1   0.6 99   1 46   3 6.3 14.6   2.1 1327 NW | 316 0.00 0.00 - - 100   0
Suscol Upper (Ranch 92) 7/18/26 77.4   2.1 1616 52.3   1.0 0646 16.4   16.9 100   0 0   0 3.4 13.4   2.0 1857 SSW | 210 0.00 0.00 - - 20   10
Stanly (Ranch 45) 7/18/26 76.6   1.7 1527 48.8   1.6 0058 53.1   0.9 91   3 50   2 4.9 14.5   3.1 1640 W | 280 0.00 0.00 0.195   0.011 648   41 80   10
Carneros Upper (Ranch 81) 7/18/26 79.1   1.0 1555 52.2   0.0 0007 49.2   2.8 - - 6.7 20.2   0.6 2204 WSW | 247 - - - - 100   0
Carneros (Mitsuko) 7/18/26 77.6   1.3 1552 52.3   10.0 0056 - - - - - - - - - - - 100   0
Carneros Lower (Ranch 81) 7/18/26 78.0   3.1 1453 52.9   6.6 0002 54.0   4.5 93   7 50   49 1.8 12.4   1.3 1357 SSE | 160 0.00 0.00 0.175   0.008 580   44 100   10
Carneros (Milton Rd) 7/18/26 76.1   1.6 1633 50.6   4.3 0028 53.4   1.7 92   1 52   3 - - - - 0.00 0.00 - - 100   10
Max   93.9 - 52.9 - 55.6 100 56 6.7 20.2 - - 0.00 0.00 0.288 1,157 -
Avg   - - - - 50.4 - - 3.8 - - - - - - - -
Min   76.1 - 46.9 - 16.4 90 0 1.5 10.7 - - 0.00 0.00 0.112 362 -