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Latest Observation

13 Stations

Daily Data | America/Los_Angeles
as of 10/18/26 5:07 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 10/17/26 86.9   4.3 1350 51.6   2.0 0709 - - - - - - - 0.00 0.82 - - 20   10
Pope Valley (Weeks Lake) 10/17/26 94.1   1.8 1506 33.5   6.4 0725 32.0   1.2 91   9 7   1 1.2   0.3 11.6   1.1 1523 W | 277 0.00 0.03 0.121   0.010 373   12 0   0
Dollarhide Base 10/17/26 94.5   2.6 1503 43.9   7.6 0739 37.6   2.3 84   28 11   2 2.2   0.4 13.2   0.2 1602 WSW | 253 0.00 0.00 0.143   0.009 353   11 10   10
Dollarhide 1AS Remote 10/17/26 94.0   2.0 1459 33.9   1.5 0726 33.4   0.2 83   1 11   2 1.2   0.3 13.3   1.2 1542 SW | 224 - - - - 10   10
Dollarhide 16A Remote 10/17/26 95.7   2.8 1459 41.1   6.4 0735 37.8   0.4 88   11 11   2 - - - - - - - - 10   10
Dollarhide 18A Remote 10/17/26 95.7   4.4 1442 31.7   2.1 0716 33.4   0.2 86   3 11   3 - - - - - - - - 0   0
Hardin Rd (Eakle) 10/13/26 77.0   2.0 1534 32.3   1.2 0726 - - - - - - - - - - - 20   20
Angwin 10/17/26 85.2   3.2 1426 67.7   1.6 0744 24.2   2.4 21   2 8   2 2.2   3.1 10.6   9.6 1354 SE | 140 0.00 0.30 0.065   0.058 0   0 100   0
Lower Angwin (Pioneer) 10/17/26 88.0   3.4 1352 42.8   2.6 2357 - - - 1.3   1.5 10.0   5.6 1453 SW | 224 - - - - 50   10
Las Posadas (Cal Fire) 10/17/26 89.3   3.5 1530 57.9   2.9 0613 30.5   2.1 38   4 9   2 4.6   2.8 16.4   6.1 1603 SW | 234 0.00 0.23 0.171   0.062 364   10 -
Deer Park 10/17/26 93.6   2.2 1452 63.8   2.7 0714 29.6   3.1 29   3 7   0 2.0   3.1 11.8   15.6 1535 SW | 218 0.00 0.04 0.120   0.080 279   11 90   10
Lower Chiles Valley (Brown) 10/17/26 93.4   1.5 1349 37.4   4.6 0655 31.6   3.6 81   11 8   2 1.6   0.3 13.9   0.3 1612 SSW | 212 0.00 0.14 0.144   0.017 412   15 0   0
Moss Creek Vineyard/Reservior 10/17/26 94.6   0.9 1431 44.2   8.3 0628 36.3   0.7 78   8 10   3 - - - - 0.00 0.04 - - 20   10
Max   95.7 - 67.7 - 37.8 91 11 4.6 16.4 - - 0.00 0.82 0.171 412 -
Avg   - - - - 32.6 - - 2.0 - - - - - - - -
Min   85.2 - 31.7 - 24.2 21 7 1.2 10.0 - - 0.00 0.00 0.065 0 -

Northern & Central Napa County

27 Stations

Daily Data | America/Los_Angeles
as of 10/18/26 5:07 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 10/17/26 95.0   2.9 1438 42.7   8.1 0720 36.1   1.2 68   14 11   1 - - - - 0.00 0.09 - - 10   10
Diamond Mtn (Schramsberg) 10/17/26 91.7   1.5 1521 63.8   5.9 0055 27.8   4.8 29   8 7   1 - - - - 0.00 0.13 - - 100   0
Diamond Mtn (McEachran) 10/17/26 93.3   2.6 1427 58.9   6.5 0656 30.2   4.5 34   7 7   1 - - - - - - - - 80   10
St. Helena-North 10/17/26 94.7   2.3 1536 45.4   8.0 0715 29.2   3.2 61   18 5   0 1.9 9.6   2.6 1143 SSE | 150 0.00 0.11 0.123   0.031 358   9 0   10
St. Helena (NVV Office) 10/17/26 96.1   0.7 1610 44.2   7.3 0657 - - - 0.8 7.2   1.6 1752 WNW | 287 0.00 0.04 - - 0   0
Tiara Fria (East St. Helena) 10/17/26 93.0   0.1 1620 40.7   4.9 0715 34.4   0.8 76   3 7   0 1.3 8.6   3.7 1618 WSW | 241 0.00 0.02 - - 10   10
Prisoner Winery 10/17/26 95.4   2.4 1434 43.4   4.2 0728 34.8   1.3 75   2 7   0 1.2 6.2   1.8 1524 E | 95 0.00 0.06 0.031   0.009 0   0 0   0
Rutherford Hill Estate 10/17/26 95.0   0.3 1537 57.3   5.5 0710 33.5   2.9 39   6 10   2 1.3 10.7   3.7 1448 SE | 139 0.00 0.08 0.113   0.019 343   11 10   10
Rutherford-North (Mee Ln) 10/17/26 94.3   0.5 1734 40.8   4.3 0542 36.5   0.9 82   5 10   2 2.0 13.6   1.3 1621 SE | 131 0.00 0.06 0.129   0.022 350   12 30   10
Rutherford (STS) 10/17/26 95.6   1.8 1441 40.0   4.4 0425 39.0   1.3 86   6 12   0 1.7 11.0   1.1 1408 ESE | 119 0.00 0.05 0.137   0.017 406   15 30   10
Oakville-NE (Ranch 88) 10/17/26 93.4   1.1 1459 36.2   4.0 0710 31.7   0.9 72   2 9   1 1.1 11.6   2.7 1354 SSE | 165 0.00 0.04 0.123   0.026 366   12 0   0
OV561-East 10/17/26 95.0   0.9 1559 39.6   4.2 0733 - - - - - - - - - - - 0   0
Oakville 10/17/26 91.1   0.9 1619 38.4   4.3 0654 35.5   0.4 83   3 11   3 1.8 12.1   2.1 1459 SE | 140 0.00 0.03 0.134   0.030 380   15 10   10
OV518-West 10/17/26 91.0   1.5 1510 39.4   4.0 0740 - - - - - - - - - - - 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) 10/17/26 90.4   0.8 1614 38.1   3.2 0715 35.1   0.4 79   0 13   3 1.8 11.5   1.0 1508 S | 180 0.00 0.05 0.133   0.027 434   14 10   10
Stags Leap Dist (Silverado Vineyards) 10/17/26 91.5   0.4 1604 39.2   3.4 0731 34.9   0.0 82   1 12   2 1.4 10.7   3.4 1511 S | 181 0.00 0.07 0.135   0.019 373   12 20   10
Borreo (Soda Canyon) 10/17/26 89.6   0.2 1535 48.8   3.3 0642 32.2   1.2 50   5 11   2 1.8 8.3   11.5 1443 SSE | 166 0.00 0.31 0.122   0.033 377   12 50   20
Wappo Hill Floor 10/17/26 92.0   0.9 1601 38.7   3.7 0735 34.5   2.4 80   1 12   1 1.5 10.3   2.8 1354 SE | 125 0.00 0.10 0.134   0.017 392   12 10   10
Stags Leap Dist (Chimney Rock) 10/17/26 91.3   0.4 1531 37.3   2.7 0705 39.9   2.4 92   1 19   1 1.5 9.2   1.2 1353 SW | 219 0.00 0.10 0.121   0.012 361   11 10   10
Yountville-South (Ranch 87) 10/17/26 92.6   0.9 1458 38.8   3.1 0731 37.4   1.6 85   2 13   0 1.0 9.4   1.3 1530 S | 181 0.00 0.09 0.110   0.011 317   6 30   10
Yountville-SE (Ranch 85) 10/17/26 92.1   0.4 1504 39.3   2.4 0725 37.1   2.5 83   0 13   0 1.2 9.2   1.4 1545 S | 172 0.00 0.08 - 0   0 10   10
Oak Knoll-East (Ranch 53) 10/17/26 91.2   0.7 1607 40.9   2.4 0713 37.9   1.8 84   2 12   1 1.0 7.7   3.1 1442 S | 188 0.00 0.15 0.122   0.012 381   14 60   10
Napa-NW (Ranch 54) 10/17/26 91.6   1.0 1548 42.4   0.1 0641 34.8   2.1 69   8 13   1 0.5 6.4   0.7 1727 SSW | 211 0.00 0.18 - 0   0 10   10
Napa-North (Ranch 29) 10/17/26 91.9   0.9 1726 40.0   2.1 0659 38.3   2.8 86   2 14   1 1.1 9.5   0.7 1414 SW | 219 0.00 0.10 0.083   0.011 211   7 10   10
Max   96.1 - 63.8 - 39.9 92 19 2.0 13.6 - - 0.00 0.31 0.137 434 -
Avg   - - - - 34.8 - - 1.4 - - - - - - - -
Min   89.6 - 36.2 - 27.8 29 5 0.5 6.2 - - 0.00 0.02 0.031 0 -

Southern Napa County

22 Stations

Daily Data | America/Los_Angeles
as of 10/18/26 5:07 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 10/17/26 85.5   4.6 1355 70.4   0.1 0101 27.4   1.7 22   3 12   4 1.5 11.5   0.5 1503 S | 171 0.00 0.45 0.172   0.003 570   33 100   0
Mount George (Napa East) 10/17/26 90.3   0.3 1449 43.0   2.6 0719 36.6   2.1 74   1 13   2 1.2 8.3   1.8 1509 WSW | 257 0.00 0.16 0.117   0.009 387   11 10   10
Napa-East (Palmaz 300') 10/17/26 95.9   0.9 1633 47.5   3.9 0718 35.0   2.0 63   4 11   2 1.7 7.6   1.6 1524 W | 265 0.00 0.16 0.113   0.010 338   11 10   10
Napa-East (Palmaz 1200') 10/17/26 86.4   1.7 1417 53.7   0.9 0424 32.9   0.7 44   1 14   5 2.4 8.8   5.4 1527 NW | 308 - - 0.127   0.026 370   14 10   10
Napa-East (Palmaz 1400') 10/17/26 87.4   2.2 1334 52.5   1.7 0510 32.6   1.6 42   1 16   6 2.4 9.1   12.4 1547 WSW | 243 0.00 0.33 0.134   0.047 381   14 20   10
Wooden Valley 10/17/26 89.0   1.1 1610 37.5   4.0 0655 34.6   0.4 84   6 12   2 1.0 8.9   1.7 1411 SE | 134 0.00 0.04 0.119   0.019 393   10 10   10
Napa-West Upper (Truchard) 10/17/26 92.6   1.1 1540 56.2   1.0 0603 35.4   0.9 65   9 12   1 1.3 9.6   1.6 1413 SSW | 200 0.00 0.10 0.134   0.016 388   14 10   10
Napa-West Lower (Truchard) 10/17/26 92.8   1.0 1459 41.6   2.1 0642 34.4   1.5 76   10 13   0 - - - - - - - - 10   10
Napa-South (Toyon Farms) 10/17/26 91.6   0.5 1641 48.3   1.9 0724 42.9   1.1 78   3 18   1 2.1 10.1   0.8 1521 S | 186 0.00 0.07 0.091   0.010 195   2 10   10
Toyon Remote 1 10/17/26 91.7   0.0 1504 41.7   0.4 0543 - - - - - - - - - - - -
Toyon Remote 2 10/17/26 90.8   0.4 1626 40.9   0.8 0726 - - - - - - - - - - - -
Toyon Remote 3 10/17/26 92.5   0.1 1538 40.7   0.9 0719 - - - - - - - - - - - -
Dealy Lane (Ranch 80) 10/17/26 92.9   0.4 1627 45.0   1.1 0728 35.3   1.9 69   16 12   1 1.8 8.0   2.1 1356 SSE | 150 0.00 0.08 0.124   0.008 391   11 10   10
Carneros (Saintsbury) 10/17/26 91.7   0.5 1652 46.7   0.4 0723 36.9   1.3 71   5 13   0 2.1 10.0   1.5 1707 S | 173 0.00 0.08 - - 10   10
Suscol Lower (Ranch 35) 10/17/26 90.2   0.1 1658 44.6   0.4 0704 37.5   0.6 67   4 12   3 3.0 11.5   1.1 1325 SSW | 202 0.00 0.15 0.141   0.010 371   13 10   10
Suscol Mtn (Ranch 93) 10/17/26 95.7   1.7 1334 64.6   3.9 0057 33.0   1.3 40   10 11   1 2.6 12.5   7.5 1443 S | 182 0.00 0.40 - - 70   10
Suscol Upper (Ranch 92) 10/17/26 89.9   2.0 1337 62.5   3.0 0101 33.9   1.7 43   11 11   2 0.5 9.9   6.6 1555 SSW | 210 0.00 0.15 - - 70   10
Stanly (Ranch 45) 10/17/26 91.9   1.4 1550 43.9   1.0 0333 41.6   0.4 86   5 13   0 2.8 10.2   0.5 1338 W | 280 0.00 0.15 0.148   0.005 415   12 10   10
Carneros Upper (Ranch 81) 10/17/26 91.4   0.6 1547 60.5   3.6 0534 33.9   1.3 - - 3.2 19.1   4.1 1844 W | 263 - - - - 10   10
Carneros (Mitsuko) 10/17/26 91.9   0.6 1643 38.6   0.1 0725 - - - - - - - - - - - 10   10
Carneros Lower (Ranch 81) 10/17/26 90.5   1.5 1432 43.8   0.3 0725 39.1   0.3 79   14 15   1 1.0 7.7   1.1 1321 S | 179 0.00 0.01 0.025   0.004 0   0 10   10
Carneros (Milton Rd) 10/17/26 90.7   0.3 1627 39.5   0.8 0719 37.9   1.8 77   9 12   2 - - - - 0.00 0.00 - - 10   10
Max   95.9 - 70.4 - 42.9 86 18 3.2 19.1 - - 0.00 0.45 0.172 570 -
Avg   - - - - 35.6 - - 1.9 - - - - - - - -
Min   85.5 - 37.5 - 27.4 22 11 0.5 7.6 - - 0.00 0.00 0.025 0 -