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Latest Observation

13 Stations

Daily Data | America/Los_Angeles
as of 8/12/26 11:40 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 8/11/26 89.9   4.7 1159 53.5   3.2 0409 - - - - - - - 0.00 0.00 - - 20   20
Pope Valley (Weeks Lake) 8/11/26 90.7   3.2 1628 47.8   1.0 0621 51.6   1.3 100   0 25   2 2.0   0.1 17.5   4.8 1418 WSW | 239 0.00 0.00 0.203   0.005 574   5 0   0
Dollarhide Base 8/11/26 92.7   2.7 1455 52.7   0.8 0625 55.7   1.4 97   0 29   0 3.3   0.3 16.4   0.1 1521 W | 263 0.00 0.00 0.237   0.009 638   11 0   0
Dollarhide 1AS Remote 8/11/26 95.0   1.2 1402 50.0   0.7 0644 54.6   1.5 92   1 27   2 3.3   0.6 20.9   2.5 1418 SW | 214 - - - - 0   0
Dollarhide 16A Remote 8/11/26 90.9   2.5 1409 53.0   0.6 0543 55.8   1.5 96   1 32   1 - - - - - - - - 0   0
Dollarhide 18A Remote 8/11/26 90.9   2.0 1425 48.3   0.6 0616 54.0   1.4 98   0 29   2 - - - - - - - - 0   0
Hardin Rd (Eakle) 8/11/26 92.0   2.8 1429 50.7   0.7 0634 - - - - - - - - - - - 0   0
Angwin 8/11/26 82.0   3.5 1507 65.5   3.2 2036 49.9   3.0 60   3 34   21 2.9   0.0 13.5   0.7 1422 SSE | 158 0.00 0.00 0.055   0.010 0   0 100   0
Lower Angwin (Pioneer) 8/11/26 83.0   2.9 1535 45.9   1.5 0628 - - - 1.8   0.2 12.4   0.7 1550 WNW | 283 - - - - 40   20
Las Posadas (Cal Fire) 8/11/26 84.8   2.3 1508 49.4   2.1 0533 52.9   1.6 98   1 34   4 8.8   0.2 20.0   2.6 1631 SSE | 159 0.00 0.00 0.224   0.001 582   11 -
Deer Park 8/11/26 86.7   1.5 1540 53.9   0.7 0527 53.9   1.0 97   0 35   0 3.3   0.7 12.2   0.4 1543 SSE | 158 0.00 0.00 0.164   0.003 420   13 0   0
Lower Chiles Valley (Brown) 8/11/26 88.2   1.7 1523 53.7   0.5 0536 53.1   1.5 96   4 28   3 4.0   0.2 15.1   2.5 1630 WNW | 292 0.00 0.00 0.207   0.005 623   4 0   0
Moss Creek Vineyard/Reservior 8/11/26 92.7   2.8 1327 51.0   2.4 0637 50.6   2.1 94   1 21   1 - - - - 0.00 0.00 - - 0   0
Max   95.0 - 65.5 - 55.8 100 35 8.8 20.9 - - 0.00 0.00 0.237 638 -
Avg   - - - - 53.2 - - 3.7 - - - - - - - -
Min   82.0 - 45.9 - 49.9 60 21 1.8 12.2 - - 0.00 0.00 0.055 0 -

Northern & Central Napa County

27 Stations

Daily Data | America/Los_Angeles
as of 8/12/26 11:40 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 8/11/26 90.8   6.4 1310 55.5   0.1 0058 55.9   1.3 94   2 34   4 - - - - 0.00 0.00 - - 0   0
Diamond Mtn (Schramsberg) 8/11/26 88.0   0.3 1620 53.4   0.3 0357 53.8   1.4 100   0 29   3 - - - - 0.00 0.00 - - 0   0
Diamond Mtn (McEachran) 8/11/26 89.5   0.3 1552 54.8   1.1 0233 54.3   1.5 95   0 29   6 - - - - - - - - 0   0
St. Helena-North 8/11/26 88.7   0.6 1509 57.4   0.1 0057 53.0   0.8 84   2 29   2 3.3 13.8   0.9 1539 SSE | 150 0.00 0.00 0.199   0.001 536   17 0   0
St. Helena (NVV Office) 8/11/26 87.9   0.9 1452 57.5   0.2 0640 - - - 2.0 10.9   1.4 1738 ENE | 76 0.00 0.00 - - 0   0
Tiara Fria (East St. Helena) 8/11/26 85.0   0.6 1522 56.4   1.4 0257 54.8   0.8 88   0 38   2 2.7 12.7   0.8 1657 E | 98 0.00 0.00 - - 40   20
Prisoner Winery 8/11/26 89.2   0.8 1528 54.1   0.1 0055 54.6   0.7 96   0 34   1 1.4 9.7   0.1 1535 SE | 146 0.00 0.00 0.068   0.042 178   156 0   0
Rutherford Hill Estate 8/11/26 85.8   0.5 1501 55.6   0.5 0633 54.6   0.7 93   0 36   1 1.6 14.2   2.6 1417 SSW | 195 0.00 0.00 0.171   0.002 533   4 20   20
Rutherford-North (Mee Ln) 8/11/26 84.2   0.5 1455 51.7   0.3 0154 53.8   0.9 92   0 38   2 3.5 16.7   0.9 1730 ESE | 105 0.00 0.00 0.183   0.003 510   7 40   20
Rutherford (STS) 8/11/26 86.7   0.0 1449 52.2   0.6 0217 56.3   0.8 91   0 41   2 2.5 14.3   0.4 1533 ESE | 116 0.00 0.00 0.201   0.001 614   6 0   0
Oakville-NE (Ranch 88) 8/11/26 85.1   0.2 1459 50.7   0.5 0255 52.0   1.4 87   1 36   1 2.8 17.8   0.6 1920 SSE | 156 0.00 0.00 0.193   0.001 553   2 100   0
OV561-East 8/11/26 85.1   0.4 1626 52.7   1.4 0346 - - - - - - - - - - - 40   20
Oakville 8/11/26 80.9   0.3 1446 51.2   1.1 0302 53.4   1.3 91   0 42   0 4.1 20.7   0.8 1703 ESE | 118 0.00 0.00 0.201   0.001 602   3 90   20
OV518-West 8/11/26 81.4   0.3 1427 51.6   1.9 0251 - - - - - - - - - - - 90   20
To Kalon Remote (TKKE) 8/11/26 85.3   0.2 1434 52.7   0.1 0213 - - - - - - - - - - - 40   20
To Kalon 8/11/26 82.1   0.7 1430 52.8   0.1 0243 54.8   0.9 94   0 42   1 3.9 16.5   0.7 1552 SSE | 162 0.00 0.00 0.197   0.000 577   1 40   20
To Kalon Remote (TKN5) 8/11/26 86.4   2.0 1455 52.4   0.8 0243 - - - - - - - - - - - 40   20
Yountville (Ranch 67) 8/11/26 79.7   0.2 1508 48.3   5.0 0514 52.0   1.9 92   2 42   1 3.7 17.3   0.1 1433 SSE | 153 0.00 0.00 0.196   0.002 655   19 100   0
Stags Leap Dist (Silverado Vineyards) 8/11/26 80.3   0.0 1629 47.8   4.4 0553 52.0   2.0 92   1 41   1 3.0 17.6   0.6 1510 S | 178 0.00 0.00 0.191   0.001 597   23 100   10
Borreo (Soda Canyon) 8/11/26 78.8   0.1 1416 47.4   4.3 0551 51.0   2.1 97   3 39   4 1.9 10.6   0.2 1704 S | 191 0.00 0.00 0.192   0.004 643   17 100   10
Wappo Hill Floor 8/11/26 82.1   0.8 1424 47.2   7.3 0523 53.5   1.9 100   0 42   1 3.1 15.8   2.1 1647 ESE | 104 0.00 0.00 0.194   0.007 614   34 70   20
Stags Leap Dist (Chimney Rock) 8/11/26 79.8   0.7 1414 47.2   9.3 0638 54.5   2.4 98   5 50   0 2.9 14.0   1.4 1021 SSW | 198 0.00 0.00 0.172   0.007 551   32 100   0
Yountville-South (Ranch 87) 8/11/26 82.1   0.2 1427 48.7   4.8 0631 53.5   1.9 100   8 41   1 1.9 12.6   0.3 1540 S | 180 0.00 0.00 0.183   0.003 592   17 40   20
Yountville-SE (Ranch 85) 8/11/26 79.7   0.4 1426 48.9   5.4 0601 54.1   1.7 96   2 46   0 2.9 13.7   0.2 1607 S | 179 0.00 0.00 - 0   0 100   0
Oak Knoll-East (Ranch 53) 8/11/26 80.6   1.3 1431 49.0   1.5 0544 52.5   1.4 92   1 41   2 2.5 15.3   0.4 1620 SSE | 149 0.00 0.00 0.191   0.006 632   28 70   20
Napa-NW (Ranch 54) 8/11/26 82.3   1.1 1614 49.2   1.0 0556 53.0   1.3 93   0 39   3 0.6 8.2   1.5 1041 SSW | 199 0.00 0.00 - 0   0 50   20
Napa-North (Ranch 29) 8/11/26 77.2   0.6 1353 49.5   2.4 0557 54.5   1.1 100   0 48   1 2.1 14.2   2.1 1513 SSW | 196 0.00 0.00 0.126   0.001 384   2 100   0
Max   90.8 - 57.5 - 56.3 100 50 4.1 20.7 - - 0.00 0.00 0.201 655 -
Avg   - - - - 53.7 - - 2.6 - - - - - - - -
Min   77.2 - 47.2 - 51.0 84 29 0.6 8.2 - - 0.00 0.00 0.068 0 -

Southern Napa County

22 Stations

Daily Data | America/Los_Angeles
as of 8/12/26 11:40 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 8/11/26 84.4   1.6 1507 53.8   2.8 0617 51.9   1.9 86   14 35   1 1.8 11.4   2.2 1357 SSE | 148 0.00 0.00 0.237   0.016 886   91 50   20
Mount George (Napa East) 8/11/26 76.8   0.8 1355 48.7   4.3 0528 51.9   2.5 95   4 43   2 1.8 12.6   1.0 1506 WSW | 240 0.00 0.00 0.180   0.009 611   42 100   0
Napa-East (Palmaz 300') 8/11/26 82.5   1.1 1412 50.4   3.8 0518 52.9   1.6 100   7 39   2 1.7 11.7   0.4 1620 WSW | 249 0.00 0.00 0.167   0.011 515   32 50   20
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') 8/11/26 77.1   0.6 1434 52.1   0.0 0645 52.0   2.2 95   5 44   5 3.2 13.2   1.4 1557 WSW | 254 0.00 0.00 0.181   0.006 611   11 100   20
Wooden Valley 8/11/26 82.0   1.4 1406 57.8   2.3 0625 49.9   2.4 78   8 31   4 4.2 16.3   1.2 1620 SW | 219 0.00 0.00 0.210   0.003 627   7 40   20
Napa-West Upper (Truchard) 8/11/26 79.3   0.5 1540 51.0   1.7 0542 22.7   5.3 100   0 0   0 3.1 15.7   1.5 1614 SSW | 196 0.00 0.00 0.192   0.001 605   3 100   0
Napa-West Lower (Truchard) 8/11/26 79.1   0.1 1549 44.6   0.7 0538 50.8   1.9 94   1 42   1 - - - - - - - - 100   0
Napa-South (Toyon Farms) 8/11/26 77.6   0.5 1329 51.1   2.3 0420 55.4   1.4 100   0 52   1 3.6 16.0   1.3 1510 S | 170 0.00 0.00 0.099   0.000 307   3 100   0
Toyon Remote 1 8/11/26 77.5   0.6 1333 47.1   0.8 0554 - - - - - - - - - - - -
Toyon Remote 2 8/11/26 76.5   0.5 1326 46.6   0.9 0556 - - - - - - - - - - - -
Toyon Remote 3 8/11/26 77.6   0.0 1344 45.6   3.0 0437 - - - - - - - - - - - -
Dealy Lane (Ranch 80) 8/11/26 79.0   2.5 1548 47.7   2.6 0436 52.0   1.8 96   1 42   4 2.4 15.3   1.0 1609 SSE | 162 0.00 0.00 0.175   0.001 585   12 100   0
Carneros (Saintsbury) 8/11/26 74.6   0.3 1533 45.5   1.7 0549 51.9   1.6 100   0 49   1 4.4 18.2   0.8 1604 S | 176 0.00 0.00 - - 80   10
Suscol Lower (Ranch 35) 8/11/26 76.1   1.2 1323 50.6   2.4 0316 53.1   1.1 100   0 45   1 4.7 17.6   1.0 1443 SSW | 206 0.00 0.00 0.173   0.001 544   11 100   0
Suscol Mtn (Ranch 93) 8/11/26 79.0   0.9 1338 52.6   1.9 0352 54.0   1.3 98   1 46   2 3.7 17.0   0.0 1541 WSW | 257 0.00 0.00 - - 100   0
Suscol Upper (Ranch 92) 8/11/26 75.3   1.0 1356 52.1   3.1 0344 19.3   5.4 100   0 0   0 2.5 16.6   1.8 1709 S | 177 0.00 0.00 - - 80   10
Stanly (Ranch 45) 8/11/26 74.8   0.8 1414 47.0   0.9 0502 52.6   1.3 95   1 50   1 4.9 18.5   0.6 1711 SSW | 204 0.00 0.00 0.181   0.005 607   1 90   10
Carneros Upper (Ranch 81) 8/11/26 78.2   0.5 1546 51.7   2.3 0614 52.8   1.1 - - 5.6 18.6   0.2 1654 S | 189 - - - - 100   0
Carneros (Mitsuko) 8/11/26 75.9   0.4 1511 44.4   2.8 0547 - - - - - - - - - - - 100   0
Carneros Lower (Ranch 81) 8/11/26 78.0   0.6 1347 48.7   0.5 0557 52.9   0.8 100   0 0   0 1.9 13.6   1.8 1354 SSE | 163 0.00 0.00 0.173   0.005 574   19 100   0
Carneros (Milton Rd) 8/11/26 74.7   0.4 1507 46.0   3.5 0516 52.4   1.6 94   1 50   2 - - - - 0.00 0.00 - - 90   10
Max   84.4 - 57.8 - 55.4 100 52 5.6 18.6 - - 0.00 0.00 0.237 886 -
Avg   - - - - 48.7 - - 3.3 - - - - - - - -
Min   74.6 - 44.4 - 19.3 78 0 1.7 11.4 - - 0.00 0.00 0.099 307 -