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Latest Observation

13 Stations

Daily Data | America/Los_Angeles
as of 10/20/26 7:58 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 10/19/26 64.1   13.8 1553 37.1   5.1 0346 - - - - - - - 0.00 0.82 - - 30   10
Pope Valley (Weeks Lake) 10/19/26 68.8   17.2 1503 30.6   2.4 0629 38.4   2.2 100   8 34   18 1.7   0.0 17.1   3.1 1425 WSW | 252 0.00 0.03 0.098   0.026 368   1 10   10
Dollarhide Base 10/19/26 72.0   13.9 1517 43.5   0.3 0738 45.6   3.3 97   16 39   14 3.6   0.7 14.0   1.2 1608 SW | 217 0.00 0.00 0.103   0.028 344   6 20   10
Dollarhide 1AS Remote 10/19/26 71.0   15.3 1521 41.4   8.4 0033 43.8   4.8 92   8 39   14 3.4   0.7 13.8   1.3 1324 SW | 215 - - - - 0   0
Dollarhide 16A Remote 10/19/26 72.5   15.0 1527 39.1   0.5 0710 44.5   2.0 97   5 37   12 - - - - - - - - 0   0
Dollarhide 18A Remote 10/19/26 69.9   14.6 1520 39.8   9.1 0049 43.6   4.8 92   3 39   14 - - - - - - - - 10   10
Hardin Rd (Eakle) 10/13/26 77.0   2.0 1534 32.3   1.2 0726 - - - - - - - - - - - 20   20
Angwin 10/19/26 59.2   15.4 1532 43.5   5.9 0748 42.6   11.1 100   29 47   33 2.7   0.3 13.8   0.3 1427 SSE | 154 0.00 0.30 0.017   0.036 0   0 90   10
Lower Angwin (Pioneer) 10/19/26 62.8   14.6 1559 36.0   2.1 0019 - - - 2.6   0.6 14.4   2.4 1450 SW | 233 - - - - 60   10
Las Posadas (Cal Fire) 10/19/26 64.9   14.3 1617 45.7   1.7 2348 44.2   4.0 96   3 43   16 7.5   0.6 19.6   0.1 0324 SSW | 213 0.00 0.23 0.094   0.064 334   37 -
Deer Park 10/19/26 68.7   14.6 1503 48.5   0.4 2353 44.2   4.4 90   2 36   22 3.5   0.9 14.3   0.9 1144 WNW | 285 0.00 0.04 0.077   0.028 236   39 90   10
Lower Chiles Valley (Brown) 10/19/26 67.8   13.6 1538 42.2   6.3 0018 43.4   4.6 94   0 41   15 3.3   0.8 17.4   3.4 1552 W | 263 0.00 0.14 0.099   0.032 357   46 10   10
Moss Creek Vineyard/Reservior 10/19/26 71.8   15.5 1333 45.2   3.3 0012 42.6   2.8 92   10 33   14 - - - - 0.00 0.04 - - 0   10
Max   72.5 - 48.5 - 45.6 100 47 7.5 19.6 - - 0.00 0.82 0.103 368 -
Avg   - - - - 43.3 - - 3.5 - - - - - - - -
Min   59.2 - 30.6 - 38.4 90 33 1.7 13.8 - - 0.00 0.00 0.017 0 -

Northern & Central Napa County

27 Stations

Daily Data | America/Los_Angeles
as of 10/20/26 7:58 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 10/19/26 69.1   13.2 1425 45.7   4.9 2350 46.5   3.8 89   2 43   15 - - - - 0.00 0.09 - - 20   10
Diamond Mtn (Schramsberg) 10/19/26 66.5   15.7 1407 48.8   1.5 0044 44.0   5.2 91   1 41   20 - - - - 0.00 0.13 - - 90   10
Diamond Mtn (McEachran) 10/19/26 67.1   14.6 1547 48.7   0.6 2359 44.6   4.4 90   0 41   18 - - - - - - - - 90   10
St. Helena-North 10/19/26 71.7   15.0 1507 46.7   3.9 0006 42.7   5.1 80   4 29   13 1.7 10.3   0.4 1628 S | 179 0.00 0.11 0.091   0.023 321   32 10   10
St. Helena (NVV Office) 10/19/26 71.9   12.3 1517 46.3   5.5 0151 - - - 1.2 10.3   1.9 1617 W | 275 0.00 0.04 - - 10   10
Tiara Fria (East St. Helena) 10/19/26 70.5   12.3 1522 44.2   5.4 0134 43.4   2.4 87   2 35   11 1.8 10.8   0.7 1546 SSW | 208 0.00 0.02 - - 20   10
Prisoner Winery 10/19/26 70.5   15.9 1436 42.9   2.9 0103 43.6   1.7 94   1 37   13 1.2 11.5   1.4 1451 WNW | 302 0.00 0.06 0.018   0.007 0   0 10   10
Rutherford Hill Estate 10/19/26 72.3   11.2 1430 48.5   0.3 0047 44.5   2.0 90   2 35   8 1.4 11.4   1.3 1617 W | 264 0.00 0.08 0.085   0.019 300   34 20   10
Rutherford-North (Mee Ln) 10/19/26 71.9   11.1 1446 41.7   3.6 0101 43.3   1.8 90   0 36   9 1.8 13.2   4.2 1613 WSW | 245 0.00 0.06 0.089   0.031 301   41 40   10
Rutherford (STS) 10/19/26 73.0   11.4 1442 42.4   5.3 0102 46.0   1.9 93   1 40   8 1.6 12.7   1.2 1541 W | 273 0.00 0.05 0.097   0.028 336   59 40   10
Oakville-NE (Ranch 88) 10/19/26 72.5   9.4 1513 40.2   5.6 0101 41.5   3.2 86   2 32   3 1.0 11.0   3.6 1058 E | 101 0.00 0.04 0.086   0.031 300   57 10   10
OV561-East 10/19/26 71.7   11.9 1515 40.7   2.8 0101 - - - - - - - - - - - 10   10
Oakville 10/19/26 71.0   8.8 1431 39.3   2.7 0104 43.2   1.4 91   2 37   4 2.2 13.3   1.2 1555 W | 280 0.00 0.03 0.095   0.028 320   52 20   10
OV518-West 10/19/26 68.6   10.2 1456 40.2   2.2 0101 - - - - - - - - - - - 20   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) 10/19/26 70.1   7.5 1450 38.2   1.9 0202 42.3   0.9 92   1 36   2 1.6 13.4   1.5 1502 SSE | 165 0.00 0.05 0.093   0.025 402   30 0   0
Stags Leap Dist (Silverado Vineyards) 10/19/26 70.3   8.2 1433 38.6   1.6 0154 42.9   1.0 93   2 35   2 1.1 13.3   2.1 1459 S | 177 0.00 0.07 0.086   0.029 306   58 0   10
Borreo (Soda Canyon) 10/19/26 67.9   7.2 1432 41.9   0.8 0130 42.6   0.6 94   0 36   2 1.6 13.5   2.2 1443 SE | 140 0.00 0.31 0.086   0.021 320   50 30   10
Wappo Hill Floor 10/19/26 70.3   8.5 1419 39.0   1.3 0136 43.5   1.5 100   7 35   2 2.1 14.4   0.6 1444 S | 186 0.00 0.10 0.098   0.025 335   46 20   10
Stags Leap Dist (Chimney Rock) 10/19/26 69.9   7.7 1521 38.5   2.7 0119 45.8   1.1 97   5 42   2 1.9 14.0   0.0 1345 S | 180 0.00 0.10 0.086   0.021 296   55 0   0
Yountville-South (Ranch 87) 10/19/26 70.5   9.3 1450 38.2   0.6 0129 44.1   1.1 100   1 36   3 1.5 14.3   5.1 1457 S | 189 0.00 0.09 0.092   0.008 323   9 40   10
Yountville-SE (Ranch 85) 10/19/26 71.1   6.4 1440 40.3   1.7 0117 44.5   0.9 95   1 36   1 1.2 10.4   2.3 1549 SSW | 197 0.00 0.08 - 0   0 0   0
Oak Knoll-East (Ranch 53) 10/19/26 69.6   8.4 1431 42.0   2.0 0101 44.2   0.6 93   1 34   2 1.5 18.3   5.7 1227 S | 173 0.00 0.15 0.093   0.020 323   49 70   10
Napa-NW (Ranch 54) 10/19/26 70.2   9.4 1550 43.4   1.9 0101 43.6   1.6 92   1 33   2 1.3 12.9   4.2 1607 SW | 215 0.00 0.18 - 0   0 20   10
Napa-North (Ranch 29) 10/19/26 70.0   6.9 1534 47.0   7.6 0101 45.0   0.2 94   5 33   3 1.9 12.9   0.7 1551 WNW | 285 0.00 0.10 0.073   0.001 222   9 0   0
Max   73.0 - 48.8 - 46.5 100 43 2.2 18.3 - - 0.00 0.31 0.098 402 -
Avg   - - - - 43.9 - - 1.6 - - - - - - - -
Min   66.5 - 38.2 - 41.5 80 29 1.0 10.3 - - 0.00 0.02 0.018 0 -

Southern Napa County

22 Stations

Daily Data | America/Los_Angeles
as of 10/20/26 7:58 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 10/19/26 65.5   13.7 1354 45.6   1.6 0219 42.4   5.1 95   9 43   28 1.1 10.3   0.8 1255 SE | 143 0.00 0.45 0.082   0.027 365   25 90   10
Mount George (Napa East) 10/19/26 68.5   7.2 1406 48.5   7.1 0018 45.6   0.3 90   0 37   5 1.9 12.8   2.9 1503 W | 261 0.00 0.16 0.088   0.017 313   66 0   0
Napa-East (Palmaz 300') 10/19/26 72.4   7.2 1411 48.9   5.3 2330 45.2   1.1 88   2 33   2 2.4 11.4   1.0 1550 W | 264 0.00 0.16 0.086   0.015 278   54 20   10
Napa-East (Palmaz 1200') 10/19/26 64.3   8.3 1531 44.0   3.0 0047 42.0   1.2 100   0 3   39 2.2 15.0   3.2 1334 NNW | 333 - - 0.079   0.022 306   59 0   0
Napa-East (Palmaz 1400') 10/19/26 63.9   9.4 1402 45.2   1.9 2351 45.0   0.6 100   0 43   9 3.4 16.8   3.7 1553 W | 263 0.00 0.33 0.080   0.028 310   65 0   10
Wooden Valley 10/19/26 66.8   10.2 1431 44.2   5.1 0013 43.1   1.8 89   2 36   9 3.6 14.5   2.9 1515 WSW | 248 0.00 0.04 0.096   0.026 349   42 20   10
Napa-West Upper (Truchard) 10/19/26 71.1   7.0 1430 47.4   4.1 0053 45.6   2.9 94   1 30   3 4.3 18.0   1.7 1804 WSW | 258 0.00 0.10 0.109   0.014 332   47 0   0
Napa-West Lower (Truchard) 10/19/26 71.6   6.4 1418 41.8   2.1 0056 44.5   0.9 87   7 29   4 - - - - - - - - 0   0
Napa-South (Toyon Farms) 10/19/26 70.0   7.5 1436 49.2   2.0 0057 47.7   2.6 91   2 40   0 4.5 16.2   1.0 1656 W | 267 0.00 0.07 0.069   0.003 205   5 0   0
Toyon Remote 1 10/19/26 73.7   6.3 1433 42.9   2.8 0058 - - - - - - - - - - - -
Toyon Remote 2 10/19/26 69.8   6.7 1431 44.3   4.0 0058 - - - - - - - - - - - -
Toyon Remote 3 10/19/26 72.5   6.5 1527 43.6   3.6 0059 - - - - - - - - - - - -
Dealy Lane (Ranch 80) 10/19/26 69.4   8.2 1457 45.6   0.5 0046 45.0   1.4 87   0 33   2 2.8 14.6   1.9 1753 WSW | 242 0.00 0.08 0.096   0.017 333   53 0   0
Carneros (Saintsbury) 10/19/26 69.6   7.0 1458 47.0   2.6 0036 45.5   1.1 88   0 35   0 5.7 18.9   2.6 1730 WSW | 248 0.00 0.08 - - 0   0
Suscol Lower (Ranch 35) 10/19/26 68.2   5.8 1434 48.3   4.4 0058 45.5   2.0 87   3 34   8 5.0 17.5   3.4 1616 WSW | 242 0.00 0.15 0.104   0.004 323   43 0   0
Suscol Mtn (Ranch 93) 10/19/26 69.2   6.4 1408 49.0   1.4 0048 45.8   4.7 96   0 40   1 10.1 24.7   5.0 1611 NW | 322 0.00 0.40 - - 50   10
Suscol Upper (Ranch 92) 10/19/26 64.9   6.9 1533 49.6   1.8 0027 45.7   4.3 93   3 42   3 6.7 21.7   5.9 1734 SSW | 207 0.00 0.15 - - 50   10
Stanly (Ranch 45) 10/19/26 68.6   5.5 1540 49.5   6.2 0057 45.9   1.7 85   5 35   3 4.8 17.9   2.9 1848 WSW | 257 0.00 0.15 0.116   0.006 370   38 0   0
Carneros Upper (Ranch 81) 10/19/26 67.6   7.8 1439 50.1   3.5 0004 45.3   2.8 - - 10.7 25.6   4.2 1744 WSW | 250 - - - - 0   0
Carneros (Mitsuko) 10/19/26 70.3   6.9 1402 42.4   3.5 0101 - - - - - - - - - - - 0   0
Carneros Lower (Ranch 81) 10/19/26 73.4   9.4 1448 47.2   3.6 0018 46.3   1.0 89   11 34   33 0.9 10.6   2.7 1455 NNW | 330 0.00 0.01 0.012   0.000 0   0 0   0
Carneros (Milton Rd) 10/19/26 68.3   7.5 1534 45.0   4.6 0101 45.6   0.9 84   4 35   0 - - - - 0.00 0.00 - - 0   0
Max   73.7 - 50.1 - 47.7 100 43 10.7 25.6 - - 0.00 0.45 0.116 370 -
Avg   - - - - 45.1 - - 4.4 - - - - - - - -
Min   63.9 - 41.8 - 42.0 84 3 0.9 10.3 - - 0.00 0.00 0.012 0 -