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Northeast Napa County

12 Stations

Daily Data
as of 4/20/26 11:10 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 4/19/26 66.9   3.6 1535 40.1   2.9 0621 - - - - - - - 0.00 47.36 - - 0   0
Pope Valley (Weeks Lake) 4/19/26 74.3   0.8 1535 38.6   3.7 0633 38.9   1.1 100   0 19   1 2.1 15.1   3.5 1541 SSW | 199 0.00 24.05 0.167   0.011 528   3 50   20
Whiskey River Winery 12/13/25 52.8   3.6 1548 37.3   0.3 0759 36.3   2.0 88   11 68   4 0.0 0.0   2.4 0001 SE | 128 0.00 7.07 - - -
Dollarhide Base 4/19/26 75.8   1.8 1451 44.3   5.8 0651 40.6   0.4 97   1 23   4 3.7 16.8   2.8 1413 S | 188 0.00 21.37 0.199   0.014 593   1 60   20
Dollarhide 1AS Remote 4/19/26 75.4   2.0 1528 41.1   6.5 0630 40.9   0.4 95   0 24   5 2.5 15.0   2.3 1346 SW | 225 - - - - 50   20
Dollarhide 17B Remote 4/19/26 77.1   0.9 1529 41.6   7.2 0635 42.2   0.4 99   0 25   6 - - - - - - - - 60   20
Dollarhide 18A Remote 4/19/26 75.8   1.6 1513 38.2   4.3 0626 40.6   0.3 100   0 25   7 - - - - - - - - 20   10
Angwin 4/19/26 65.8   3.2 1511 46.3   3.0 0059 26.2   4.7 57   0 17   0 4.4 17.5   5.7 2248 SSE | 148 0.00 42.26 0.064   0.007 0   0 0   0
Lower Angwin (Pioneer) 4/19/26 68.4   3.1 1451 40.7   1.0 0626 - - - 3.0 14.2   3.3 1645 SW | 228 - - - - 0   0
Deer Park 4/19/26 75.0   1.9 1520 48.2   1.5 0625 38.3   2.2 83   9 18   2 2.9 14.5   1.8 1436 SW | 227 0.00 26.38 0.143   0.003 387   15 20   10
Lower Chiles Valley (Brown) 4/19/26 71.8   3.5 1538 39.1   6.6 0659 35.3   1.3 96   4 13   1 2.5 16.7   5.7 1709 WNW | 297 0.00 23.68 0.176   0.010 563   3 0   0
Moss Creek Vineyard/Reservior 4/19/26 75.2   3.0 1401 42.9   6.5 0616 33.8   3.7 93   2 11   1 - - - - 0.00 25.15 - - 30   10
Max   77.1 - 48.2 - 42.2 100 25 4.4 17.5 - - 0.00 47.36 0.199 593 -
Avg   - - - - 37.4 - - 3.0 - - - - - - - -
Min   65.8 - 38.2 - 26.2 57 11 2.1 14.2 - - 0.00 21.37 0.064 0 -

Northern & Central Napa County

27 Stations

Daily Data | America/Los_Angeles
as of 4/20/26 11:10 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 4/19/26 76.7   5.8 1507 43.2   5.8 0708 39.7   1.0 96   0 14   5 - - - - 0.00 30.66 - - 50   10
Fotsch (Maple Lane) 3/9/26 75.9   3.7 1625 41.4   5.5 0743 44.5   1.8 97   3 26   3 3.3 15.6   1.3 1413 WSW | 249 0.00 26.01 - - 0   0
Diamond Mtn (Schramsberg) 4/19/26 71.4   3.1 1423 48.7   0.7 2341 38.0   3.1 76   6 14   2 - - - - 0.00 29.18 - - 0   0
Diamond Mtn (McEachran) 4/19/26 73.6   3.2 1410 48.3   4.0 0710 36.8   0.1 76   2 13   2 - - - - - - - - 20   10
St. Helena-North 4/19/26 76.0   2.4 1441 44.7   6.2 0629 36.4   1.7 85   1 11   1 1.7 14.0   1.5 1444 SSE | 159 0.00 28.40 0.141   0.017 432   18 50   10
St. Helena (NVV Office) 4/19/26 78.1   1.5 1515 46.2   6.7 0632 - - - 1.0 9.6   1.0 1702 SW | 230 0.00 26.38 - - 90   20
Tiara Fria (East St. Helena) 4/19/26 76.0   2.0 1458 46.5   7.4 0644 39.7   1.9 93   0 15   3 2.3 17.1   5.9 1703 SW | 216 0.00 24.36 - - 50   10
Rutherford Hill Estate 4/19/26 76.8   2.3 1524 48.1   4.3 0650 40.3   3.8 88   15 17   4 1.7 14.2   3.7 1549 S | 188 0.00 23.16 0.150   0.002 482   13 50   10
Rutherford-North (Mee Ln) 4/19/26 76.7   1.2 1552 42.8   6.9 0638 41.1   2.1 95   0 17   3 2.4 13.2   0.4 1327 ESE | 110 0.00 22.65 0.159   0.002 484   13 60   10
Rutherford (STS) 4/19/26 77.7   2.5 1519 44.0   7.5 0650 42.4   1.5 91   1 21   3 1.8 12.7   1.3 1417 WSW | 256 0.00 23.91 0.176   0.006 576   10 90   20
Oakville-NE (Ranch 88) 4/19/26 77.7   1.2 1511 43.0   7.2 0639 38.6   2.1 92   0 15   6 2.3 20.5   6.2 1342 S | 176 0.00 23.05 0.175   0.004 532   6 0   0
OV561-East 4/19/26 76.7   2.2 1624 44.0   6.1 0640 - - - - - - - - - - - 10   10
Oakville 4/19/26 76.0   1.9 1358 43.8   7.5 0634 39.8   2.6 96   1 16   7 3.1 17.1   4.0 1619 SSW | 201 0.00 23.59 0.187   0.009 568   6 50   10
OV518-West 4/19/26 75.2   2.4 1419 44.3   6.7 0630 - - - - - - - - - - - 20   10
To Kalon Remote (TKKE) 4/19/26 77.5   2.4 1431 42.7   6.1 0625 - - - - - - - - - - - 90   20
To Kalon 4/19/26 76.0   2.0 1400 44.0   6.7 0637 40.2   2.4 95   3 16   3 2.5 14.8   2.6 1209 SE | 144 0.00 25.72 0.170   0.001 525   6 20   10
To Kalon Remote (TKN5) 4/19/26 76.8   2.7 1423 43.6   6.8 0636 - - - - - - - - - - - 70   20
Yountville (Ranch 67) 4/19/26 73.6   3.9 1426 44.0   7.5 0655 39.0   3.1 95   1 16   6 3.2 15.5   2.8 1604 SSE | 164 0.00 21.74 0.181   0.004 587   21 50   10
Stags Leap Dist (Silverado Vineyards) 4/19/26 73.2   3.4 1445 43.2   7.8 0655 39.2   2.8 96   1 12   2 2.7 14.9   2.1 1218 NNE | 33 0.00 25.83 0.172   0.012 541   34 30   20
Borreo (Soda Canyon) 4/19/26 71.2   4.5 1516 43.2   5.9 0622 38.0   1.8 92   4 17   7 2.0 11.0   1.6 1501 SSE | 164 0.00 25.72 0.169   0.002 587   3 20   20
Wappo Hill Floor 4/19/26 75.0   4.1 1357 42.4   7.0 0635 40.0   2.4 100   0 17   7 2.8 15.6   4.1 1529 SE | 130 0.00 25.08 0.176   0.006 536   18 90   20
Stags Leap Dist (Chimney Rock) 4/19/26 73.6   4.2 1423 42.7   7.9 0558 42.1   2.1 100   1 22   8 2.8 15.4   3.4 1437 S | 184 0.00 24.37 0.163   0.004 501   7 50   10
Yountville-South (Ranch 87) 4/19/26 74.6   3.7 1535 43.9   7.0 0643 40.1   1.7 100   0 18   8 2.5 14.0   1.1 1415 SSE | 150 0.00 25.67 0.177   0.006 553   14 80   20
Yountville-SE (Ranch 85) 4/19/26 74.5   4.6 1617 44.6   7.0 0656 41.0   1.9 100   4 17   6 2.0 13.4   4.7 1448 SSE | 157 0.00 23.95 - 0   0 30   10
Oak Knoll-East (Ranch 53) 4/19/26 74.4   4.4 1522 44.8   6.9 0602 38.7   1.3 93   0 16   6 2.0 11.9   1.8 1547 S | 178 0.00 22.43 0.178   0.005 583   16 60   20
Napa-NW (Ranch 54) 4/19/26 76.6   3.7 1552 46.4   7.8 0603 37.6   0.4 86   2 15   4 0.8 9.0   1.2 1534 SSW | 208 0.00 24.86 - 0   0 90   20
Napa-North (Ranch 29) 4/19/26 73.7   4.7 1553 45.9   7.1 0708 41.1   2.0 100   0 13   1 2.0 13.0   2.6 1528 SSW | 210 0.00 22.49 0.126   0.013 355   59 60   10
Max   78.1 - 48.7 - 42.4 100 22 3.2 20.5 - - 0.00 30.66 0.187 587 -
Avg   - - - - 39.5 - - 2.2 - - - - - - - -
Min   71.2 - 42.4 - 36.4 76 11 0.8 9.0 - - 0.00 21.74 0.126 0 -

Southern Napa County

22 Stations

Daily Data | America/Los_Angeles
as of 4/20/26 11:10 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 4/19/26 68.3   2.3 1158 49.0   3.3 0034 27.2   4.1 57   7 13   2 2.0 14.0   3.7 1610 S | 175 0.00 31.92 0.222   0.002 930   69 0   0
Mount George (Napa East) 4/19/26 72.1   4.4 1530 46.0   7.8 0650 40.1   2.7 100   3 11   2 1.6 11.5   1.7 1343 W | 274 0.00 14.31 0.162   0.000 564   8 50   10
Napa-East (Palmaz 300') 4/19/26 74.6   4.3 1515 46.1   7.0 0626 39.1   1.9 94   1 9   4 2.2 13.4   3.0 1447 SSE | 158 0.00 20.64 0.146   0.002 457   9 60   10
Napa-East (Palmaz 1200') 4/19/26 68.1   4.1 1617 42.8   3.9 0559 34.9   0.1 81   1 13   4 2.4 12.5   0.7 1442 NW | 310 - - 0.155   0.009 543   7 0   0
Napa-East (Palmaz 1400') 4/19/26 68.4   5.0 1415 42.7   5.0 0602 35.6   0.4 84   1 16   1 2.4 14.3   3.3 1426 SSW | 206 0.00 27.92 0.156   0.008 534   12 0   0
Wooden Valley 4/19/26 70.4   4.7 1555 40.3   6.7 0611 35.2   2.0 95   3 13   0 3.1 15.9   3.4 1527 SW | 221 0.00 26.48 0.182   0.019 590   29 0   0
Napa-West Upper (Truchard) 4/19/26 73.7   5.2 1508 49.1   4.8 0548 40.3   1.9 94   16 14   2 3.7 16.3   3.7 1828 SW | 234 0.00 22.19 0.192   0.011 572   26 10   10
Napa-West Lower (Truchard) 4/19/26 76.1   6.3 1412 41.5   6.7 0546 39.6   1.0 100   0 13   1 - - - - - - - - 90   20
Napa-South (Toyon Farms) 4/19/26 72.7   6.5 1452 47.6   6.3 0700 44.9   0.9 99   7 17   3 3.0 14.3   3.9 1718 SSE | 165 0.00 15.95 0.102   0.010 274   29 30   10
Toyon Remote 1 4/19/26 73.5   5.6 1259 41.1   8.1 0704 - - - - - - - - - - - -
Toyon Remote 2 4/19/26 72.5   5.6 1521 42.2   5.6 0549 - - - - - - - - - - - -
Toyon Remote 3 4/19/26 73.9   5.5 1531 43.9   7.1 0534 - - - - - - - - - - - -
Dealy Lane (Ranch 80) 4/19/26 73.6   3.9 1707 46.6   6.5 2353 40.4   0.7 91   2 14   1 2.5 12.9   3.3 1455 SSE | 152 0.00 21.57 0.172   0.005 574   22 90   10
Carneros (Saintsbury) 4/19/26 71.0   5.9 1517 43.8   4.7 0654 42.0   1.2 96   7 12   2 3.2 13.2   2.8 1502 SE | 129 0.00 7.63 - - 10   10
Suscol Lower (Ranch 35) 4/19/26 72.2   5.6 1515 46.4   7.9 0549 41.0   2.3 - - 4.3 18.5   6.1 1714 S | 179 0.00 20.34 0.171   0.001 514   4 20   10
Suscol Mtn (Ranch 93) 4/19/26 73.5   4.3 1355 50.2   3.7 0511 37.4   1.9 83   9 10   4 4.1 16.8   3.0 1751 SSW | 204 0.00 16.11 - - 10   10
Suscol Upper (Ranch 92) 4/19/26 71.4   4.7 1500 50.3   2.5 0531 38.3   1.8 85   7 8   6 1.4 16.0   4.9 1715 SSE | 164 0.00 19.99 - - 10   10
Stanly (Ranch 45) 4/19/26 72.3   8.8 1522 43.5   4.7 0616 42.4   1.9 95   1 9   5 4.7 18.5   8.2 1718 SSW | 205 0.00 22.18 0.194   0.005 610   20 60   10
Carneros Upper (Ranch 81) 4/19/26 73.1   4.5 1620 49.9   1.6 0443 38.6   1.2 - - 4.1 18.6   7.0 1743 WSW | 242 - - - - 10   10
Carneros (Mitsuko) 4/19/26 73.1   5.1 1550 40.6   5.3 0546 - - - - - - - - - - - 10   10
Carneros Lower (Ranch 81) 4/19/26 73.3   5.8 1253 43.6   5.0 0543 40.5   0.8 100   0 0   0 1.2 12.7   3.0 1413 SSE | 148 0.00 17.96 0.145   0.004 494   21 10   10
Carneros (Milton Rd) 4/19/26 72.4   5.2 1529 42.0   4.7 0536 42.3   1.7 96   2 7   9 - - - - 0.00 18.04 - - 10   10
Max   76.1 - 50.3 - 44.9 100 17 4.7 18.6 - - 0.00 31.92 0.222 930 -
Avg   - - - - 38.9 - - 2.9 - - - - - - - -
Min   68.1 - 40.3 - 27.2 57 0 1.2 11.5 - - 0.00 7.63 0.102 274 -