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Latest Observation

13 Stations

Daily Data | America/Los_Angeles
as of 9/22/26 6:33 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 9/21/26 81.1   3.1 1137 50.5   3.2 0026 - - - - - - - 0.00 0.82 - - 100   0
Pope Valley (Weeks Lake) 9/21/26 81.2   2.1 1558 46.4   1.1 0642 51.6   1.4 100   6 36   6 2.0   0.7 13.2   2.0 1531 SE | 141 0.00 0.03 0.133   0.031 430   130 40   20
Dollarhide Base 9/21/26 81.3   5.3 1556 52.8   0.7 0523 55.5   2.0 98   6 46   13 3.4   1.0 15.3   3.5 1736 SSE | 160 0.00 0.00 0.148   0.031 468   143 60   20
Dollarhide 1AS Remote 9/21/26 80.1   5.3 1551 46.1   1.0 0650 54.0   2.7 93   4 46   15 3.3   1.6 16.2   4.0 1525 SSE | 155 - - - - 60   20
Dollarhide 16A Remote 9/21/26 79.7   4.8 1606 51.2   0.6 0710 55.1   1.9 98   6 47   11 - - - - - - - - 60   20
Dollarhide 18A Remote 9/21/26 80.2   4.4 1619 43.7   1.9 0709 53.2   2.3 97   3 46   11 - - - - - - - - 40   20
Hardin Rd (Eakle) 9/21/26 80.6   3.3 1527 48.6   0.2 0646 - - - - - - - - - - - 40   20
Angwin 9/21/26 74.4   3.1 1017 55.1   6.8 2003 49.8   7.6 88   19 40   18 - 12.0   3.5 1500 SSE | 149 0.00 0.30 0.034   0.016 0   0 80   10
Lower Angwin (Pioneer) 9/21/26 73.1   6.0 1617 50.8   3.3 0059 - - - 2.5   1.0 13.2   4.4 1527 WSW | 253 - - - - 80   10
Las Posadas (Cal Fire) 9/21/26 74.0   1.4 1525 51.6   2.3 0505 53.6   1.5 100   2 52   6 9.6   2.0 22.8   4.3 1536 S | 189 0.00 0.23 0.125   0.013 442   133 -
Deer Park 9/21/26 76.6   4.2 1555 53.5   1.5 0058 53.7   1.1 97   0 47   4 3.3   0.1 15.2   3.7 0033 NW | 304 0.00 0.04 0.082   0.003 242   21 30   10
Lower Chiles Valley (Brown) 9/21/26 76.0   0.7 1630 53.8   2.3 0759 53.4   0.8 100   4 46   0 3.4   0.0 14.8   3.5 1429 WNW | 296 0.00 0.14 0.119   0.019 415   97 0   10
Moss Creek Vineyard/Reservior 9/21/26 81.4   5.0 1527 52.8   1.3 0043 52.7   1.6 95   4 38   9 - - - - 0.00 0.04 - - 40   20
Max   81.4 - 55.1 - 55.5 100 52 9.6 22.8 - - 0.00 0.82 0.148 468 -
Avg   - - - - 53.3 - - 3.9 - - - - - - - -
Min   73.1 - 43.7 - 49.8 88 36 2.0 12.0 - - 0.00 0.00 0.034 0 -

Northern & Central Napa County

27 Stations

Daily Data | America/Los_Angeles
as of 9/22/26 6:33 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 9/21/26 81.3   1.6 1429 54.3   4.1 0719 55.1   0.9 95   0 46   1 - - - - 0.00 0.09 - - 50   20
Diamond Mtn (Schramsberg) 9/21/26 76.1   3.4 1619 52.4   1.6 0101 53.4   0.9 100   0 47   4 - - - - 0.00 0.13 - - 70   10
Diamond Mtn (McEachran) 9/21/26 77.5   2.8 1610 53.5   2.2 0833 53.8   1.0 97   4 46   3 - - - - - - - - 70   10
St. Helena-North 9/21/26 76.7   2.5 1625 55.2   4.2 2217 52.4   1.3 87   0 44   3 3.0 14.0   1.1 1711 ESE | 122 0.00 0.11 0.108   0.008 334   60 20   10
St. Helena (NVV Office) 9/21/26 76.5   3.9 1559 55.7   2.4 0059 - - - 1.5 10.4   2.0 1739 ESE | 119 0.00 0.04 - - 30   10
Tiara Fria (East St. Helena) 9/21/26 74.4   3.4 1552 54.2   3.3 2309 54.0   1.3 91   2 51   5 2.3 14.0   3.6 1750 SE | 129 0.00 0.02 - - 20   10
Prisoner Winery 9/21/26 77.3   3.8 1506 53.4   3.5 2306 54.0   1.4 94   0 46   6 1.7 9.5   0.2 1742 SE | 124 0.00 0.06 0.016   0.002 0   0 0   10
Rutherford Hill Estate 9/21/26 75.2   3.8 1548 53.6   0.2 2320 54.0   0.8 93   1 50   5 1.5 15.1   4.8 1752 S | 170 0.00 0.08 0.085   0.008 290   32 0   0
Rutherford-North (Mee Ln) 9/21/26 74.7   2.7 1537 52.5   3.6 2309 53.5   1.6 90   0 51   4 3.4 17.8   5.1 1728 ESE | 119 0.00 0.06 0.092   0.002 289   14 60   10
Rutherford (STS) 9/21/26 76.6   2.9 1513 53.9   5.1 2312 55.7   1.6 92   0 55   4 2.4 13.4   2.3 1750 E | 95 0.00 0.05 0.099   0.006 337   20 60   10
Oakville-NE (Ranch 88) 9/21/26 74.8   2.3 1514 52.2   3.2 2328 52.5   1.6 88   1 47   3 2.4 16.1   1.9 1802 SSE | 163 0.00 0.04 0.092   0.006 282   18 90   10
OV561-East 9/21/26 75.1   1.5 1608 54.1   3.1 2332 - - - - - - - - - - - 20   10
Oakville 9/21/26 72.2   0.6 1446 53.8   3.5 2331 53.5   1.4 91   0 53   0 3.8 18.8   3.7 1740 SE | 131 0.00 0.03 0.100   0.007 334   32 70   10
OV518-West 9/21/26 71.8   1.4 1517 54.6   4.2 2335 - - - - - - - - - - - 80   10
To Kalon Remote (TKKE) 9/21/26 74.2   1.5 1529 54.0   4.9 2318 - - - - - - - - - - - 60   10
To Kalon 9/21/26 72.9   1.4 1522 54.4   5.5 2322 54.5   1.6 95   1 55   0 3.4 17.4   3.1 1807 SE | 144 0.00 0.00 0.097   0.006 322   27 70   10
To Kalon Remote (TKN5) 9/21/26 75.4   2.6 1512 54.8   5.4 2315 - - - - - - - - - - - 60   10
Yountville (Ranch 67) 9/21/26 70.9   1.2 1509 52.1   1.6 2349 52.4   0.8 91   0 54   1 3.8 16.9   2.9 1709 ESE | 123 0.00 0.05 0.101   0.004 384   14 70   10
Stags Leap Dist (Silverado Vineyards) 9/21/26 70.7   0.1 1507 51.7   0.8 2353 52.6   0.6 92   0 55   1 2.8 17.6   2.6 1729 SSE | 150 0.00 0.07 0.089   0.002 295   13 80   10
Borreo (Soda Canyon) 9/21/26 69.8   0.2 1459 49.0   0.1 0025 52.1   0.4 95   2 56   1 1.8 11.2   2.0 1632 SSE | 159 0.00 0.31 0.080   0.005 289   26 90   10
Wappo Hill Floor 9/21/26 72.7   1.8 1447 52.6   2.1 2356 53.8   0.8 100   0 54   2 3.1 13.7   2.5 1538 ESE | 109 0.00 0.10 0.093   0.005 316   22 80   10
Stags Leap Dist (Chimney Rock) 9/21/26 70.8   1.1 1455 51.8   1.5 0016 55.0   0.8 96   0 63   0 2.7 12.3   0.5 1716 S | 190 0.00 0.10 0.080   0.001 282   10 80   10
Yountville-South (Ranch 87) 9/21/26 74.0   2.1 1457 51.2   2.3 2345 54.3   1.1 100   0 52   2 2.0 12.4   1.4 1641 S | 173 0.00 0.09 0.090   0.010 309   42 80   10
Yountville-SE (Ranch 85) 9/21/26 70.4   0.0 1506 51.0   1.6 2357 54.4   0.9 94   0 60   2 2.9 12.5   0.5 1735 S | 169 0.00 0.08 - 0   0 80   10
Oak Knoll-East (Ranch 53) 9/21/26 71.1   0.0 1443 50.8   1.0 0010 53.2   0.9 92   1 55   1 2.3 11.7   1.6 1544 SE | 132 0.00 0.15 0.090   0.006 314   22 80   10
Napa-NW (Ranch 54) 9/21/26 72.3   0.7 1413 50.9   1.9 2326 53.4   1.2 93   2 55   3 0.6 6.8   0.8 1147 SSW | 213 0.00 0.18 - 0   0 80   10
Napa-North (Ranch 29) 9/21/26 70.4   0.7 1421 51.0   1.7 0021 54.3   0.1 100   0 59   3 2.1 12.7   2.6 1603 S | 187 0.00 0.10 0.068   0.015 234   73 80   10
Max   81.3 - 55.7 - 55.7 100 63 3.8 18.8 - - 0.00 0.31 0.108 384 -
Avg   - - - - 53.7 - - 2.5 - - - - - - - -
Min   69.8 - 49.0 - 52.1 87 44 0.6 6.8 - - 0.00 0.00 0.016 0 -

Southern Napa County

22 Stations

Daily Data | America/Los_Angeles
as of 9/22/26 6:33 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 9/21/26 71.4   2.8 1442 49.3   0.8 0601 52.1   0.6 100   5 53   3 1.3 10.0   1.2 1344 SE | 128 0.00 0.45 0.310   0.012 - 80   10
Mount George (Napa East) 9/21/26 87.7   7.7 0021 51.4   0.7 0017 53.9   0.2 100   4 60   0 1.7 11.6   3.1 1512 WNW | 287 0.00 0.16 0.080   0.006 296   35 80   10
Napa-East (Palmaz 300') 9/20/26 73.1   14.8 1634 52.1   0.7 0239 53.4   0.1 100   6 52   18 0.3 7.8   2.0 1357 W | 267 0.00 0.16 0.065   0.064 229   182 80   10
Napa-East (Palmaz 1200') 9/14/26 80.8   4.1 1344 47.1   4.1 0557 46.5   1.6 92   8 29   22 2.4 12.0   0.9 1614 SW | 226 - - 0.153   0.004 498   20 20   20
Napa-East (Palmaz 1400') 9/21/26 65.8   2.4 1502 50.9   0.0 0800 53.2   0.1 100   0 68   6 3.2 12.0   0.9 1603 SSW | 208 0.00 0.33 0.071   0.010 298   24 80   10
Wooden Valley 9/21/26 70.5   2.6 1525 52.8   0.3 0726 52.2   0.6 96   4 54   6 4.9 17.2   1.5 1057 W | 261 0.00 0.04 0.116   0.017 451   120 80   10
Napa-West Upper (Truchard) 9/21/26 71.4   1.0 1508 51.3   1.6 0018 23.1   2.2 100   0 0   0 3.5 15.4   2.4 1649 SSW | 199 0.00 0.10 0.433   0.193 - 70   10
Napa-West Lower (Truchard) 9/21/26 71.1   0.8 1502 48.5   3.6 0024 52.6   1.3 94   1 56   1 - - - - - - - - 70   10
Napa-South (Toyon Farms) 9/21/26 69.7   0.1 1452 53.0   2.1 2351 55.0   0.2 98   1 65   1 4.1 16.8   2.8 1735 SSW | 194 0.00 0.07 0.051   0.011 181   47 60   10
Toyon Remote 1 9/21/26 69.3   0.6 1414 48.9   1.8 0020 - - - - - - - - - - - -
Toyon Remote 2 9/21/26 68.8   0.5 1530 51.0   3.3 2300 - - - - - - - - - - - -
Toyon Remote 3 9/21/26 69.7   1.1 1447 49.0   2.0 0011 - - - - - - - - - - - -
Dealy Lane (Ranch 80) 9/21/26 69.2   1.2 1505 53.0   5.0 0026 53.0   0.7 94   1 59   2 2.5 16.4   4.8 1415 SE | 138 0.00 0.08 0.088   0.014 323   69 80   10
Carneros (Saintsbury) 9/21/26 67.4   0.7 1349 50.9   3.9 0007 52.3   0.4 98   2 63   0 5.1 19.0   4.5 1740 SSW | 195 0.00 0.08 - - 60   10
Suscol Lower (Ranch 35) 9/21/26 69.5   1.5 1535 52.4   0.2 2220 53.0   0.3 92   8 58   2 4.9 19.2   5.7 1654 SW | 215 0.00 0.15 0.081   0.014 263   50 60   10
Suscol Mtn (Ranch 93) 9/21/26 70.4   0.4 1503 51.4   0.4 0824 53.4   0.0 100   1 63   0 7.0 17.4   4.6 1243 WNW | 303 0.00 0.33 - - 50   10
Suscol Upper (Ranch 92) 9/21/26 65.9   0.5 1527 52.0   0.5 0831 -5.0   4.2 100   0 0   0 4.9 17.2   5.3 1650 SSE | 160 0.00 0.15 - - 10   10
Stanly (Ranch 45) 9/21/26 67.8   1.0 1449 51.7   2.0 2245 52.5   0.1 91   1 63   1 5.0 19.8   4.2 1738 SSW | 205 0.00 0.15 0.090   0.020 313   83 70   10
Carneros Upper (Ranch 81) 9/21/26 70.4   2.6 1447 53.7   1.1 0719 53.0   14.0 - - 6.8 20.0   2.8 1720 SSW | 196 - - - - 60   10
Carneros (Mitsuko) 9/21/26 69.2   1.5 1350 51.1   5.2 2311 - - - - - - - - - - - 60   10
Carneros Lower (Ranch 81) 9/21/26 70.4   2.6 1424 54.0   3.0 2316 53.6   0.3 92   2 59   4 1.4 15.9   3.3 1335 SSE | 151 0.00 0.01 0.016   0.003 11   4 60   10
Carneros (Milton Rd) 9/21/26 68.7   1.6 1507 50.2   0.8 2217 53.1   0.0 92   1 61   3 - - - - 0.00 0.00 - - 60   10
Max   87.7 - 54.0 - 55.0 100 68 7.0 20.0 - - 0.00 0.45 0.433 451 -
Avg   - - - - 47.6 - - 4.0 - - - - - - - -
Min   65.8 - 48.5 - -5.0 91 0 1.3 10.0 - - 0.00 0.00 0.016 11 -