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Latest Observation

13 Stations

Daily Data | America/Los_Angeles
as of 10/21/26 9:41 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 10/20/26 71.3   7.2 1552 37.3   0.2 0716 - - - - - - - 0.00 0.82 - - 20   10
Pope Valley (Weeks Lake) 10/20/26 73.3   4.6 1543 37.0   6.3 0716 39.7   1.2 100   0 25   9 1.0   0.7 9.0   8.1 1412 SE | 132 0.00 0.03 0.071   0.027 239   129 0   10
Dollarhide Base 10/20/26 74.8   2.8 1320 43.8   0.3 0726 43.3   2.3 96   1 31   8 2.2   1.4 13.3   0.7 1843 NNE | 29 0.00 0.00 0.093   0.010 278   66 10   10
Dollarhide 1AS Remote 10/20/26 73.3   2.4 1425 38.0   3.5 0741 41.7   2.1 91   0 30   8 1.2   2.2 12.3   1.5 1406 E | 91 - - - - 0   0
Dollarhide 16A Remote 10/20/26 73.8   1.3 1451 42.2   3.1 0744 42.8   1.7 96   1 30   7 - - - - - - - - 0   0
Dollarhide 18A Remote 10/20/26 76.0   6.0 1421 36.3   3.6 0748 41.8   1.8 95   3 29   11 - - - - - - - - 0   10
Hardin Rd (Eakle) 10/13/26 77.0   2.0 1534 32.3   1.2 0726 - - - - - - - - - - - 20   20
Angwin 10/20/26 64.6   5.3 1548 44.7   1.2 0747 36.2   6.4 87   13 32   14 4.0   1.3 12.5   1.3 2253 N | 349 0.00 0.30 0.044   0.027 0   0 80   10
Lower Angwin (Pioneer) 10/20/26 68.5   5.7 1607 33.6   2.4 0720 - - - 2.0   0.6 9.4   5.0 1921 NE | 52 - - - - 50   10
Las Posadas (Cal Fire) 10/20/26 69.1   4.2 1356 42.7   2.9 0658 40.3   4.0 89   8 33   11 4.2   3.4 14.6   5.0 0216 SW | 216 0.00 0.23 0.089   0.005 250   84 -
Deer Park 10/20/26 75.4   6.7 1556 46.5   2.0 0604 41.2   3.0 87   3 27   10 2.0   1.5 12.0   2.3 1935 ESE | 111 0.00 0.04 0.074   0.003 204   32 80   10
Lower Chiles Valley (Brown) 10/20/26 73.2   5.4 1501 37.9   4.2 0716 39.4   4.0 95   2 25   16 1.5   1.8 10.7   6.7 1301 ENE | 65 0.00 0.14 0.098   0.001 324   33 0   10
Moss Creek Vineyard/Reservior 10/20/26 72.2   0.4 1503 45.0   0.3 0324 41.0   1.7 89   3 27   6 - - - - 0.00 0.04 - - 0   0
Max   76.0 - 46.5 - 43.3 100 33 4.2 14.6 - - 0.00 0.82 0.098 324 -
Avg   - - - - 40.7 - - 2.3 - - - - - - - -
Min   64.6 - 33.6 - 36.2 87 25 1.0 9.0 - - 0.00 0.00 0.044 0 -

Northern & Central Napa County

27 Stations

Daily Data | America/Los_Angeles
as of 10/21/26 9:41 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 10/20/26 75.3   6.2 1600 40.6   5.0 0751 43.6   3.0 97   8 29   14 - - - - 0.00 0.09 - - 10   10
Diamond Mtn (Schramsberg) 10/20/26 71.1   4.6 1537 47.5   1.2 0640 39.7   4.3 83   8 26   15 - - - - 0.00 0.13 - - 80   10
Diamond Mtn (McEachran) 10/20/26 75.2   8.1 1550 45.0   3.7 0759 40.9   3.7 85   5 25   15 - - - - - - - - 80   10
St. Helena-North 10/20/26 77.7   6.0 1556 41.6   5.1 0739 39.8   3.0 85   5 22   7 1.2 9.2   1.1 1417 S | 174 0.00 0.11 0.079   0.012 273   48 0   10
St. Helena (NVV Office) 10/20/26 77.7   5.8 1551 42.8   3.5 0744 - - - 0.6 5.3   5.0 1344 W | 277 0.00 0.04 - - 0   10
Tiara Fria (East St. Helena) 10/20/26 75.1   4.6 1553 40.6   3.6 0733 42.4   1.0 91   4 28   7 0.9 7.4   3.4 1150 SSW | 208 0.00 0.02 - - 10   10
Prisoner Winery 10/20/26 76.0   5.5 1549 41.0   1.9 0732 42.6   1.0 97   3 26   11 0.8 7.9   3.6 1241 NNW | 337 0.00 0.06 0.012   0.006 0   0 0   10
Rutherford Hill Estate 10/20/26 74.6   2.2 1551 46.3   2.2 0739 43.1   1.4 92   2 29   6 1.1 6.6   4.8 1146 SW | 215 0.00 0.08 0.067   0.018 229   71 10   10
Rutherford-North (Mee Ln) 10/20/26 75.2   3.4 1533 39.1   2.6 0720 42.5   0.8 92   2 28   8 1.2 9.0   4.2 1534 S | 190 0.00 0.06 0.071   0.018 233   68 30   10
Rutherford (STS) 10/20/26 77.6   4.6 1548 39.7   2.7 0721 45.0   1.0 93   1 32   8 1.1 6.4   6.3 1316 W | 271 0.00 0.05 0.075   0.022 268   68 30   10
Oakville-NE (Ranch 88) 10/20/26 75.3   2.8 1548 36.9   3.3 0734 40.4   1.1 88   2 27   5 0.5 6.9   4.1 0902 N | 5 0.00 0.04 0.067   0.019 244   56 0   10
OV561-East 10/20/26 74.8   3.1 1531 40.4   0.3 0744 - - - - - - - - - - - 0   10
Oakville 10/20/26 75.3   4.3 1549 38.8   0.5 0732 42.7   0.5 95   4 28   9 1.2 8.2   5.1 1145 WNW | 297 0.00 0.03 0.073   0.022 258   61 10   10
OV518-West 10/20/26 73.0   4.4 1547 39.5   0.7 0728 - - - - - - - - - - - 10   10
To Kalon Remote (TKKE) 10/15/26 96.3   12.0 1554 39.4   5.0 0718 - - - - - - - - - - - 30   10
To Kalon 10/15/26 95.3   13.1 1514 40.3   4.1 0658 35.6   0.2 83   2 10   9 1.8 12.7   1.3 1317 NNE | 21 0.00 0.00 0.140   0.009 398   1 30   10
To Kalon Remote (TKN5) 10/15/26 94.1   9.5 1554 39.5   4.7 0707 - - - - - - - - - - - 30   10
Yountville (Ranch 67) 10/20/26 72.6   2.4 1424 39.1   0.9 0754 41.8   0.6 91   1 31   5 1.2 6.9   6.5 1112 NW | 316 0.00 0.05 0.079   0.014 351   51 0   0
Stags Leap Dist (Silverado Vineyards) 10/20/26 72.8   2.5 1419 40.7   2.1 0803 41.7   1.2 93   0 31   4 0.7 6.4   6.9 1010 NNW | 344 0.00 0.07 0.078   0.008 287   18 0   0
Borreo (Soda Canyon) 10/20/26 71.2   3.3 1448 41.3   0.6 0734 40.7   2.0 89   6 32   4 1.2 7.5   6.0 0944 S | 172 0.00 0.31 0.086   0.000 318   2 20   10
Wappo Hill Floor 10/20/26 73.9   3.6 1421 41.3   2.4 0650 41.9   1.6 100   0 31   4 1.3 10.6   3.8 1103 WNW | 296 0.00 0.10 0.085   0.013 296   39 10   10
Stags Leap Dist (Chimney Rock) 10/20/26 74.2   4.3 1449 40.0   1.6 0700 44.5   1.3 97   0 36   5 1.2 8.2   5.8 1101 NNW | 330 0.00 0.10 0.081   0.005 289   7 0   0
Yountville-South (Ranch 87) 10/20/26 73.4   3.0 1439 39.9   1.6 0723 43.6   0.6 100   0 32   4 0.7 7.4   7.0 1408 SSE | 162 0.00 0.09 0.070   0.022 247   76 60   20
Yountville-SE (Ranch 85) 10/20/26 73.6   2.5 1453 40.8   0.5 0730 43.4   1.0 94   1 32   5 0.9 10.3   0.2 1220 NW | 321 0.00 0.08 - 0   0 0   0
Oak Knoll-East (Ranch 53) 10/20/26 73.8   4.2 1453 41.5   0.5 0708 43.1   1.1 93   0 30   4 0.9 8.7   9.6 1231 N | 354 0.00 0.15 0.083   0.010 306   16 60   10
Napa-NW (Ranch 54) 10/20/26 74.3   4.1 1541 42.9   0.5 0715 42.2   1.4 92   0 29   4 0.5 6.0   6.9 1053 N | 1 0.00 0.18 - 0   0 10   10
Napa-North (Ranch 29) 10/20/26 73.9   3.9 1606 42.1   4.9 0716 43.7   1.2 100   6 30   3 0.7 7.5   5.5 1316 SSW | 198 0.00 0.10 0.050   0.023 145   76 0   0
Max   77.7 - 47.5 - 45.0 100 36 1.3 10.6 - - 0.00 0.31 0.086 351 -
Avg   - - - - 42.3 - - 0.9 - - - - - - - -
Min   71.1 - 36.9 - 39.7 83 22 0.5 5.3 - - 0.00 0.02 0.012 0 -

Southern Napa County

22 Stations

Daily Data | America/Los_Angeles
as of 10/21/26 9:41 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 10/20/26 66.9   1.4 1557 47.5   1.9 0151 39.7   2.7 82   13 34   9 1.1 9.0   1.2 1044 N | 4 0.00 0.45 0.092   0.010 411   46 80   10
Mount George (Napa East) 10/20/26 72.3   3.8 1447 42.8   5.8 0711 43.0   2.5 95   6 31   6 0.8 8.1   4.7 1448 SW | 228 0.00 0.16 0.078   0.010 290   23 0   0
Napa-East (Palmaz 300') 10/20/26 76.1   3.6 1415 43.8   5.1 0705 42.7   2.5 94   6 27   5 1.3 7.4   4.0 1359 SW | 215 0.00 0.16 0.077   0.009 248   31 10   10
Napa-East (Palmaz 1200') 10/20/26 69.2   4.9 1444 42.9   1.2 0709 40.7   1.3 100   0 4   0 1.7 7.8   7.2 1440 N | 1 - - 0.077   0.002 277   29 0   0
Napa-East (Palmaz 1400') 10/20/26 69.2   5.4 1449 44.4   0.7 0713 41.0   4.0 100   0 31   12 1.8 9.4   7.4 1507 SW | 228 0.00 0.33 0.079   0.001 286   24 0   0
Wooden Valley 10/20/26 72.0   5.1 1616 41.9   2.3 0717 40.1   3.0 92   2 26   9 1.1 8.3   6.2 1209 SE | 128 0.00 0.04 0.081   0.015 301   49 10   10
Napa-West Upper (Truchard) 10/20/26 77.7   6.7 1558 46.6   0.8 0757 42.8   2.8 94   0 26   4 0.9 9.9   8.2 1430 SSW | 202 0.00 0.10 0.084   0.025 304   28 0   0
Napa-West Lower (Truchard) 10/20/26 77.4   5.8 1608 39.4   2.4 0718 40.6   3.9 94   7 25   4 - - - - - - - - 20   20
Napa-South (Toyon Farms) 10/20/26 77.4   7.4 1600 46.2   2.9 0707 46.1   1.6 94   3 32   8 1.1 8.4   7.7 1311 SSE | 163 0.00 0.07 0.053   0.016 156   49 0   0
Toyon Remote 1 10/20/26 75.4   1.7 1548 41.6   1.3 0713 - - - - - - - - - - - -
Toyon Remote 2 10/20/26 75.7   5.9 1606 42.8   1.5 0639 - - - - - - - - - - - -
Toyon Remote 3 10/20/26 75.7   3.1 1549 41.5   2.1 0720 - - - - - - - - - - - -
Dealy Lane (Ranch 80) 10/20/26 74.5   5.1 1555 43.2   2.4 0725 42.0   3.0 92   5 29   4 1.3 6.9   7.7 1225 E | 94 0.00 0.08 0.085   0.011 309   24 0   0
Carneros (Saintsbury) 10/20/26 75.0   5.4 1552 43.9   3.1 0740 42.6   3.0 91   3 28   7 1.5 8.6   10.3 1148 N | 7 0.00 0.08 - - 0   0
Suscol Lower (Ranch 35) 10/20/26 73.9   5.8 1439 43.0   5.3 0719 42.5   3.0 92   6 28   6 2.4 13.9   3.6 1411 ESE | 109 0.00 0.15 0.093   0.011 296   27 0   0
Suscol Mtn (Ranch 93) 10/20/26 74.6   5.4 1351 48.7   0.3 0312 41.8   4.0 90   7 31   9 3.7 18.3   6.4 1157 SSE | 162 0.00 0.40 - - 40   10
Suscol Upper (Ranch 92) 10/20/26 71.9   7.0 1350 48.6   1.1 0330 42.2   3.5 90   3 30   12 0.5 10.0   11.7 1332 NE | 49 0.00 0.15 - - 40   10
Stanly (Ranch 45) 10/20/26 79.4   10.9 1559 45.6   3.9 0611 44.1   1.8 89   4 25   11 2.0 8.8   9.1 1329 SSW | 204 0.00 0.15 0.099   0.017 332   38 0   0
Carneros Upper (Ranch 81) 10/20/26 74.7   7.1 1554 48.0   2.2 0757 42.0   3.3 - - 1.5 9.9   15.8 1221 ENE | 69 - - - - 0   0
Carneros (Mitsuko) 10/20/26 75.3   5.0 1603 39.3   3.1 0733 - - - - - - - - - - - 0   0
Carneros Lower (Ranch 81) 10/20/26 73.0   0.4 1422 42.8   4.4 0730 43.5   2.7 94   5 32   1 - 7.4   3.2 1223 NNW | 329 0.00 0.01 0.009   0.003 0   0 0   0
Carneros (Milton Rd) 10/20/26 75.7   7.5 1545 42.2   2.8 0648 42.5   3.2 89   5 27   9 - - - - 0.00 0.00 - - 0   0
Max   79.4 - 48.7 - 46.1 100 34 3.7 18.3 - - 0.00 0.45 0.099 411 -
Avg   - - - - 42.2 - - 1.5 - - - - - - - -
Min   66.9 - 39.3 - 39.7 82 4 0.5 6.9 - - 0.00 0.00 0.009 0 -