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Latest Observation

13 Stations

Daily Data | America/Los_Angeles
as of 8/8/26 9:41 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 8/7/26 97.9   2.8 1626 61.4   5.9 0700 - - - - - - - 0.00 0.00 - - 0   0
Pope Valley (Weeks Lake) 8/7/26 102.5   4.4 1652 49.1   3.0 0621 49.0   3.6 88   10 10   5 1.6   0.1 11.2   2.2 1411 SSE | 147 0.00 0.00 0.204   0.015 538   63 0   0
Dollarhide Base 8/7/26 102.6   1.2 1242 56.2   2.0 0556 55.5   3.6 83   6 16   1 3.1   0.0 13.2   2.6 1253 WSW | 244 0.00 0.00 0.250   0.012 619   45 0   0
Dollarhide 1AS Remote 8/7/26 105.3   3.4 1605 52.1   4.0 0523 53.6   3.1 83   5 17   4 2.8   0.2 15.0   0.7 1257 SW | 227 - - - - 0   0
Dollarhide 16A Remote 8/7/26 100.2   0.3 1238 56.0   3.5 0630 56.0   3.5 83   8 19   4 - - - - - - - - 0   0
Dollarhide 18A Remote 8/7/26 100.3   2.3 1212 49.9   3.4 0639 55.0   4.4 93   3 18   3 - - - - - - - - 0   0
Hardin Rd (Eakle) 8/7/26 101.3   2.2 1519 53.3   2.9 0637 - - - - - - - - - - - 0   0
Angwin 8/7/26 91.8   3.3 1626 74.8   4.9 0631 39.7   2.2 37   8 8   2 2.5   0.4 12.2   1.5 1411 SE | 128 0.00 0.00 0.070   0.006 0   0 100   0
Lower Angwin (Pioneer) 8/7/26 90.9   1.2 1640 49.5   3.5 0608 - - - 1.6   0.1 11.8   1.0 1408 WNW | 289 - - - - 0   0
Las Posadas (Cal Fire) 8/7/26 94.3   2.5 1517 51.2   0.7 0620 53.5   2.3 91   2 24   1 8.8   1.5 23.1   3.4 1648 SW | 225 0.00 0.00 0.268   0.010 562   35 -
Deer Park 8/7/26 93.6   0.1 1458 52.4   0.2 0626 53.7   2.2 91   3 29   12 3.1   0.2 15.6   2.5 1651 SSE | 147 0.00 0.00 0.168   0.014 403   46 0   0
Lower Chiles Valley (Brown) 8/7/26 95.4   0.9 1640 53.4   2.4 0608 53.6   3.8 91   0 23   11 4.1   0.0 14.3   3.3 1355 WNW | 288 0.00 0.00 0.217   0.017 592   59 0   0
Moss Creek Vineyard/Reservior 8/7/26 104.5   2.3 1513 57.0   5.8 0616 50.9   2.8 80   11 10   4 - - - - 0.00 0.00 - - 0   0
Max   105.3 - 74.8 - 56.0 93 29 8.8 23.1 - - 0.00 0.00 0.268 619 -
Avg   - - - - 52.1 - - 3.4 - - - - - - - -
Min   90.9 - 49.1 - 39.7 37 8 1.6 11.2 - - 0.00 0.00 0.070 0 -

Northern & Central Napa County

27 Stations

Daily Data | America/Los_Angeles
as of 8/8/26 9:41 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 8/7/26 101.7   4.8 1519 53.7   2.2 0459 56.2   2.6 93   3 23   3 - - - - 0.00 0.00 - - 0   0
Diamond Mtn (Schramsberg) 8/7/26 100.7   5.8 1614 51.0   0.5 0630 53.1   4.6 89   11 14   1 - - - - 0.00 0.00 - - 0   0
Diamond Mtn (McEachran) 8/7/26 96.3   1.4 1616 52.0   0.6 0633 54.6   5.1 92   2 20   4 - - - - - - - - 0   0
St. Helena-North 8/7/26 92.5   2.7 1608 52.5   1.4 0622 52.8   1.6 85   1 27   8 3.2 15.6   3.7 1407 SE | 141 0.00 0.00 0.204   0.006 508   60 0   0
St. Helena (NVV Office) 8/7/26 92.3   0.4 1553 54.7   0.6 0632 - - - 1.7 10.0   1.0 1404 ENE | 69 0.00 0.00 - - 0   0
Tiara Fria (East St. Helena) 8/7/26 89.2   1.3 1544 52.2   0.4 0618 54.8   1.0 88   3 36   4 2.4 12.5   1.6 1627 SE | 124 0.00 0.00 - - 0   0
Prisoner Winery 8/7/26 93.6   1.2 1519 51.3   0.4 0547 55.1   1.1 95   0 31   2 1.2 8.8   1.0 1358 SE | 138 0.00 0.00 0.031   0.119 30   525 0   0
Rutherford Hill Estate 8/7/26 91.4   0.6 1538 53.1   1.6 0522 55.0   1.6 93   7 35   6 1.4 12.7   1.8 1652 SSE | 164 0.00 0.00 0.172   0.012 521   28 0   0
Rutherford-North (Mee Ln) 8/7/26 89.5   0.0 1537 49.3   1.9 0639 54.3   1.0 91   2 36   2 2.9 15.6   2.0 1653 S | 169 0.00 0.00 0.186   0.009 514   20 0   0
Rutherford (STS) 8/7/26 91.4   0.9 1514 49.3   2.7 0534 56.9   1.2 92   1 39   2 1.9 12.7   0.9 1625 ESE | 121 0.00 0.00 0.202   0.015 615   38 0   0
Oakville-NE (Ranch 88) 8/7/26 88.5   2.0 1517 49.7   3.4 0627 52.9   2.3 86   2 35   5 2.2 17.0   1.1 1625 SSE | 168 0.00 0.00 0.190   0.016 555   40 100   0
OV561-East 8/7/26 89.3   1.8 1522 51.6   2.2 0611 - - - - - - - - - - - 0   0
Oakville 8/7/26 84.9   2.1 1509 50.6   2.7 0615 54.3   2.1 89   2 40   5 3.3 17.6   0.0 1637 SSE | 151 0.00 0.00 0.194   0.027 568   79 40   20
OV518-West 8/7/26 85.3   1.2 1507 51.3   2.8 0548 - - - - - - - - - - - 40   20
To Kalon Remote (TKKE) 8/7/26 90.4   0.1 1515 51.1   2.1 0559 - - - - - - - - - - - 0   0
To Kalon 8/7/26 86.9   0.8 1529 51.4   2.5 0637 55.6   1.7 94   1 41   5 3.2 15.4   1.4 1621 SE | 137 0.00 0.00 0.195   0.019 568   51 0   0
To Kalon Remote (TKN5) 8/7/26 89.0   2.3 1501 51.1   2.2 0551 - - - - - - - - - - - 0   0
Yountville (Ranch 67) 8/7/26 83.4   1.4 1515 50.6   3.8 0538 53.6   2.4 91   0 41   5 4.0 16.4   0.5 1605 SSE | 153 0.00 0.00 0.200   0.019 618   69 100   10
Stags Leap Dist (Silverado Vineyards) 8/7/26 85.3   0.3 1514 50.8   3.7 0613 53.8   2.3 92   2 38   2 3.4 16.4   0.4 1644 ESE | 121 0.00 0.00 0.198   0.018 579   57 90   20
Borreo (Soda Canyon) 8/7/26 85.3   1.6 1518 49.4   2.5 0520 52.7   2.1 94   4 37   5 1.7 11.4   1.2 1617 S | 176 0.00 0.00 0.192   0.019 618   55 90   20
Wappo Hill Floor 8/7/26 84.3   2.3 1524 50.5   3.2 0548 55.3   2.4 100   0 42   4 2.8 13.7   2.2 1604 ESE | 119 0.00 0.00 0.189   0.025 580   68 20   20
Stags Leap Dist (Chimney Rock) 8/7/26 84.5   0.5 1524 51.0   4.2 0525 56.6   2.3 96   1 48   3 2.7 13.3   1.4 1605 SSE | 152 0.00 0.00 0.169   0.019 524   53 100   10
Yountville-South (Ranch 87) 8/7/26 86.4   0.5 1523 51.7   3.8 0458 55.6   2.4 94   1 40   2 1.7 11.0   1.4 1802 SSE | 152 0.00 0.00 0.183   0.018 583   51 0   0
Yountville-SE (Ranch 85) 8/7/26 84.1   0.1 1520 52.2   4.2 0533 55.9   2.2 94   1 44   4 2.4 15.3   0.8 1635 SE | 138 0.00 0.00 - 0   0 100   0
Oak Knoll-East (Ranch 53) 8/7/26 83.8   0.8 1524 52.9   4.6 0519 54.9   2.7 90   1 42   4 2.6 13.5   1.8 1607 ESE | 117 0.00 0.00 0.186   0.028 590   79 20   20
Napa-NW (Ranch 54) 8/7/26 88.1   1.4 1518 52.4   3.6 0445 54.8   1.9 91   0 38   11 0.5 6.0   0.5 1252 E | 100 0.00 0.00 - 0   0 0   0
Napa-North (Ranch 29) 8/7/26 81.5   2.1 1525 53.4   4.8 0514 56.1   2.4 100   0 47   6 1.7 12.6   0.9 1222 SW | 229 0.00 0.00 0.111   0.018 322   56 100   0
Max   101.7 - 54.7 - 56.9 100 48 4.0 17.6 - - 0.00 0.00 0.204 618 -
Avg   - - - - 54.8 - - 2.3 - - - - - - - -
Min   81.5 - 49.3 - 52.7 85 14 0.5 6.0 - - 0.00 0.00 0.031 0 -

Southern Napa County

22 Stations

Daily Data | America/Los_Angeles
as of 8/8/26 9:41 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 8/7/26 88.6   2.6 1602 57.7   2.3 0421 53.8   5.1 73   8 32   13 1.3 9.9   1.5 1301 ESE | 116 0.00 0.00 0.406   0.140 1,494   515 30   10
Mount George (Napa East) 8/7/26 86.1   3.4 0000 52.8   6.3 0525 56.2   4.3 96   3 41   4 1.7 10.6   1.8 1320 SW | 217 0.00 0.00 0.176   0.018 576   56 100   0
Napa-East (Palmaz 300') 8/7/26 88.9   1.2 1514 52.5   3.0 0532 54.6   2.0 97   3 35   3 1.1 11.2   0.4 1600 SW | 234 0.00 0.00 0.153   0.025 466   61 0   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') 8/7/26 84.3   2.4 1511 53.2   1.4 0514 53.6   2.1 95   1 42   6 3.1 11.8   0.9 1558 WSW | 243 0.00 0.00 0.183   0.020 569   66 100   0
Wooden Valley 8/7/26 90.1   2.7 1520 58.7   5.8 0425 51.9   3.2 73   13 29   6 4.9 18.0   0.9 1832 WSW | 242 0.00 0.00 0.220   0.023 578   81 20   10
Napa-West Upper (Truchard) 8/7/26 84.0   1.4 1509 51.2   0.7 0628 34.4   4.9 100   0 0   0 2.9 15.1   1.4 1551 S | 172 0.00 0.00 0.188   0.029 581   70 100   0
Napa-West Lower (Truchard) 8/7/26 83.0   3.0 1511 47.4   3.8 0508 53.0   2.3 94   0 42   7 - - - - - - - - 100   0
Napa-South (Toyon Farms) 8/7/26 80.5   1.4 1447 52.7   1.6 0509 56.9   1.1 99   0 54   6 3.6 15.2   1.2 1549 SSE | 164 0.00 0.00 0.093   0.019 270   39 100   0
Toyon Remote 1 8/7/26 80.0   2.1 1507 49.0   3.1 0518 - - - - - - - - - - - -
Toyon Remote 2 8/7/26 79.8   1.8 1453 50.8   4.2 0513 - - - - - - - - - - - -
Toyon Remote 3 8/7/26 81.5   1.5 1502 49.9   3.9 0627 - - - - - - - - - - - -
Dealy Lane (Ranch 80) 8/7/26 81.2   4.1 1506 51.1   2.9 0514 54.2   2.3 94   0 39   8 2.6 15.9   2.3 1258 SE | 133 0.00 0.00 0.174   0.030 567   78 100   0
Carneros (Saintsbury) 8/7/26 78.8   2.1 1458 49.7   2.3 0618 54.3   1.5 100   0 50   11 5.0 17.2   0.2 1544 SSW | 192 0.00 0.00 - - 100   0
Suscol Lower (Ranch 35) 8/7/26 79.4   1.4 1520 51.7   3.8 0618 54.6   2.1 100   0 48   7 4.2 16.2   1.5 1821 S | 188 0.00 0.00 0.165   0.032 518   77 100   0
Suscol Mtn (Ranch 93) 8/7/26 83.0   0.9 1523 51.5   0.5 0619 55.1   1.9 99   2 47   5 4.4 13.7   2.5 1508 NW | 307 0.00 0.00 - - 100   0
Suscol Upper (Ranch 92) 8/7/26 79.4   1.3 1513 52.3   0.8 0613 25.4   2.4 100   0 0   0 1.6 12.1   1.2 1822 SSW | 202 0.00 0.00 - - 100   0
Stanly (Ranch 45) 8/7/26 79.0   0.7 1455 51.3   4.9 0458 54.7   1.8 93   1 49   7 5.1 17.1   0.7 1546 SSW | 202 0.00 0.00 0.176   0.036 566   100 100   0
Carneros Upper (Ranch 81) 8/7/26 83.6   0.1 1506 53.7   1.3 0434 33.3   19.2 - - 8.1 21.7   0.1 1927 WSW | 256 - - - - 100   0
Carneros (Mitsuko) 8/7/26 80.1   4.5 1457 52.2   7.0 0622 - - - - - - - - - - - 100   0
Carneros Lower (Ranch 81) 8/7/26 81.9   6.4 1451 54.0   2.3 0459 55.0   2.0 93   7 40   39 1.6 11.8   1.3 1331 SSE | 168 0.00 0.00 0.165   0.029 539   86 100   0
Carneros (Milton Rd) 8/7/26 78.0   1.5 1513 54.4   3.8 0418 55.0   1.4 93   0 50   8 - - - - 0.00 0.00 - - 100   0
Max   90.1 - 58.7 - 56.9 100 54 8.1 21.7 - - 0.00 0.00 0.406 1,494 -
Avg   - - - - 50.3 - - 3.4 - - - - - - - -
Min   78.0 - 47.4 - 25.4 73 0 1.1 9.9 - - 0.00 0.00 0.093 270 -