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Latest Observation

13 Stations

Daily Data | America/Los_Angeles
as of 10/1/26 9:31 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 9/30/26 91.3   1.8 1524 58.6   2.8 2347 - - - - - - - 0.00 0.82 - - 80   10
Pope Valley (Weeks Lake) 9/30/26 97.3   0.3 1517 44.5   2.3 0623 43.1   3.7 90   4 13   4 1.4   0.5 11.4   9.6 1602 WSW | 254 0.00 0.03 0.151   0.008 423   0 70   10
Dollarhide Base 9/30/26 100.3   2.2 1415 52.7   6.0 0727 47.6   3.5 85   8 16   3 2.3   0.6 14.2   6.4 1737 SW | 232 0.00 0.00 0.178   0.010 440   0 30   10
Dollarhide 1AS Remote 9/30/26 100.6   3.0 1505 43.2   2.4 0652 44.6   3.1 84   6 17   4 1.7   0.1 14.2   0.7 1626 SW | 221 - - - - 30   10
Dollarhide 16A Remote 9/30/26 99.9   0.3 1428 50.5   4.5 0716 47.6   3.6 89   5 17   4 - - - - - - - - 60   10
Dollarhide 18A Remote 9/30/26 100.9   1.4 1447 41.5   2.7 0652 44.6   3.1 88   7 16   4 - - - - - - - - 80   10
Hardin Rd (Eakle) 9/30/26 97.4   0.3 1435 46.6   3.5 0717 - - - - - - - - - - - 80   10
Angwin 9/30/26 88.9   0.3 1457 69.2   0.3 0701 36.7   4.3 29   3 16   6 4.3   1.8 16.7   1.6 0210 NNW | 333 0.00 0.30 0.100   0.039 0   0 100   0
Lower Angwin (Pioneer) 9/30/26 91.9   0.7 1256 48.5   7.6 0035 - - - 2.3   0.3 12.4   1.5 1012 NE | 36 - - - - 100   10
Las Posadas (Cal Fire) 9/30/26 93.5   0.6 1438 61.5   0.1 0056 42.3   4.3 48   2 16   6 5.7   0.5 16.2   8.8 1639 S | 184 0.00 0.23 0.218   0.018 420   4 -
Deer Park 9/30/26 96.9   1.3 1555 59.2   3.6 0648 46.4   6.8 67   14 16   7 2.3   1.5 12.2   9.0 1604 SSE | 160 0.00 0.04 0.141   0.044 324   2 60   10
Lower Chiles Valley (Brown) 9/30/26 96.4   0.2 1352 47.6   1.9 0101 42.6   4.3 82   8 13   4 1.8   0.9 12.5   1.7 1433 NW | 316 0.00 0.14 0.177   0.018 477   3 60   10
Moss Creek Vineyard/Reservior 9/30/26 98.9   5.2 1519 53.6   4.3 0624 45.0   3.8 75   15 12   3 - - - - 0.00 0.04 - - 40   10
Max   100.9 - 69.2 - 47.6 90 17 5.7 16.7 - - 0.00 0.82 0.218 477 -
Avg   - - - - 44.0 - - 2.7 - - - - - - - -
Min   88.9 - 41.5 - 36.7 29 12 1.4 11.4 - - 0.00 0.00 0.100 0 -

Northern & Central Napa County

27 Stations

Daily Data | America/Los_Angeles
as of 10/1/26 9:31 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 9/30/26 99.7   1.0 1255 49.4   2.0 0712 48.4   2.5 83   8 20   7 - - - - 0.00 0.09 - - 80   10
Diamond Mtn (Schramsberg) 9/30/26 95.1   2.1 1525 61.4   4.6 0617 44.0   6.8 54   17 16   6 - - - - 0.00 0.13 - - 80   10
Diamond Mtn (McEachran) 9/30/26 96.2   0.0 1418 57.6   3.5 0732 45.1   4.9 67   8 15   5 - - - - - - - - 80   10
St. Helena-North 9/30/26 99.3   1.3 1517 49.9   1.8 0654 44.0   3.7 79   6 12   6 2.0 12.9   1.1 1527 SE | 129 0.00 0.11 0.147   0.002 397   4 20   10
St. Helena (NVV Office) 9/30/26 98.3   2.8 1623 49.8   2.5 0639 - - - 1.0 7.9   1.4 1738 WNW | 298 0.00 0.04 - - 30   10
Tiara Fria (East St. Helena) 9/30/26 95.3   3.8 1707 47.2   2.4 0649 48.1   3.7 88   3 16   7 1.6 9.4   3.4 1421 SE | 133 0.00 0.02 - - 10   10
Prisoner Winery 9/30/26 98.1   3.0 1537 47.8   2.4 0655 49.4   4.3 93   1 18   10 1.0 8.2   6.0 1356 E | 87 0.00 0.06 0.027   0.014 0   0 10   10
Rutherford Hill Estate 9/30/26 96.8   6.4 1536 56.0   4.4 0718 51.0   4.2 84   3 19   11 1.3 9.6   4.6 1605 S | 178 0.00 0.08 0.136   0.003 392   2 30   10
Rutherford-North (Mee Ln) 9/30/26 95.9   5.7 1531 45.2   2.4 0707 48.2   3.5 91   3 20   12 2.2 14.2   6.4 1538 SE | 135 0.00 0.06 0.157   0.001 407   5 60   10
Rutherford (STS) 9/30/26 97.9   4.2 1529 44.8   2.3 0721 51.7   3.4 93   0 24   12 1.5 11.3   4.0 1535 E | 88 0.00 0.05 0.164   0.004 472   5 60   10
Oakville-NE (Ranch 88) 9/30/26 95.8   4.4 1526 43.7   2.1 0642 45.8   3.2 85   3 18   11 1.6 12.4   3.1 1352 SSE | 160 0.00 0.04 0.151   0.003 409   2 80   10
OV561-East 9/30/26 97.4   2.8 1558 46.6   3.1 0634 - - - - - - - - - - - 30   10
Oakville 9/30/26 93.3   5.6 1601 45.1   2.5 0631 48.4   3.4 89   2 21   13 2.8 14.2   0.4 1407 SE | 144 0.00 0.03 0.172   0.003 449   4 70   10
OV518-West 9/30/26 93.8   2.7 1538 46.2   3.5 0623 - - - - - - - - - - - 80   10
To Kalon Remote (TKKE) 9/30/26 96.2   5.3 1547 46.5   1.5 0640 - - - - - - - - - - - 80   10
To Kalon 9/30/26 95.0   4.6 1555 47.0   2.6 0709 50.3   4.0 93   3 22   13 2.5 13.6   0.4 1351 SE | 131 0.00 0.00 0.169   0.003 452   4 70   10
To Kalon Remote (TKN5) 9/30/26 96.7   3.0 1503 46.6   2.0 0654 - - - - - - - - - - - 80   10
Yountville (Ranch 67) 9/30/26 93.4   0.4 1548 44.6   2.5 0637 47.6   1.2 89   2 20   3 2.3 12.1   1.4 1933 SSW | 198 0.00 0.05 0.169   0.000 498   12 70   10
Stags Leap Dist (Silverado Vineyards) 9/30/26 94.1   0.4 1545 44.8   2.5 0648 48.2   1.7 93   2 20   6 2.1 14.4   1.5 1705 SE | 136 0.00 0.07 0.170   0.002 443   2 80   10
Borreo (Soda Canyon) 9/30/26 91.5   0.9 1633 49.2   4.1 0720 47.1   1.0 91   7 20   1 1.6 8.8   1.4 1527 S | 170 0.00 0.31 0.147   0.003 441   3 30   10
Wappo Hill Floor 9/30/26 94.3   2.7 1519 44.7   3.6 0639 49.1   1.7 92   8 21   3 2.1 11.8   0.2 1455 SE | 145 0.00 0.10 0.163   0.005 449   0 80   10
Stags Leap Dist (Chimney Rock) 9/30/26 93.5   2.9 1536 44.3   2.9 0700 51.7   1.7 98   1 28   1 1.9 10.6   2.3 1716 SE | 140 0.00 0.10 0.145   0.002 416   1 80   10
Yountville-South (Ranch 87) 9/30/26 94.9   1.9 1537 45.4   3.2 0702 50.4   1.1 100   0 21   4 1.2 11.8   1.6 1520 S | 177 0.00 0.09 0.133   0.004 366   2 80   10
Yountville-SE (Ranch 85) 9/30/26 92.6   2.9 1541 46.0   3.5 0703 50.6   1.6 92   2 23   4 1.8 11.0   0.7 1632 SSE | 148 0.00 0.08 - 0   0 80   10
Oak Knoll-East (Ranch 53) 9/30/26 93.4   3.0 1548 46.4   3.3 0637 50.0   1.9 90   2 20   6 1.6 11.5   0.9 1602 SE | 132 0.00 0.15 0.160   0.003 473   4 80   10
Napa-NW (Ranch 54) 9/30/26 94.1   1.7 1548 47.5   3.7 0641 49.5   0.2 89   4 21   3 0.5 6.3   0.3 1548 ESE | 108 0.00 0.18 - 0   0 80   10
Napa-North (Ranch 29) 9/30/26 92.7   3.4 1558 47.0   3.6 0634 51.6   1.7 100   0 23   0 1.5 11.5   1.0 1338 WSW | 240 0.00 0.10 0.106   0.002 277   1 50   10
Max   99.7 - 61.4 - 51.7 100 28 2.8 14.4 - - 0.00 0.31 0.172 498 -
Avg   - - - - 48.6 - - 1.7 - - - - - - - -
Min   91.5 - 43.7 - 44.0 54 12 0.5 6.3 - - 0.00 0.00 0.027 0 -

Southern Napa County

22 Stations

Daily Data | America/Los_Angeles
as of 10/1/26 9:31 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 9/30/26 91.4   0.1 1314 69.6   0.2 0214 39.9   3.0 40   8 15   5 1.6 10.9   1.6 1457 S | 176 0.00 0.45 0.215   0.039 732   143 100   20
Mount George (Napa East) 9/30/26 103.6   6.3 1608 46.8   1.4 0658 51.9   1.8 94   3 24   3 1.1 7.2   1.4 1416 W | 263 0.00 0.16 0.149   0.001 459   4 80   10
Napa-East (Palmaz 300') 9/30/26 97.3   2.0 1637 49.9   2.5 0700 50.9   1.6 100   0 17   0 1.5 8.4   0.4 1515 SW | 231 0.00 0.16 0.138   0.001 406   3 70   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') 9/30/26 89.0   3.0 1105 56.2   4.3 0716 46.1   5.4 67   9 18   7 2.2 11.8   6.7 1109 N | 352 0.00 0.33 0.160   0.020 454   2 50   10
Wooden Valley 9/30/26 93.9   1.9 1421 47.2   5.4 0543 43.6   4.9 79   8 17   9 1.8 11.7   5.5 1444 WNW | 291 0.00 0.04 0.159   0.019 457   3 80   10
Napa-West Upper (Truchard) 9/30/26 94.9   2.4 1522 55.2   4.8 0710 50.6   2.9 100   0 0   0 1.8 11.7   1.1 1220 SSE | 168 0.00 0.10 0.506   0.105 - 70   10
Napa-West Lower (Truchard) 9/30/26 94.3   2.8 1509 45.4   4.0 0708 49.2   1.2 97   0 18   3 - - - - - - - - 70   10
Napa-South (Toyon Farms) 9/30/26 92.8   3.1 1524 52.8   3.6 0713 56.5   1.3 99   1 27   6 1.7 10.0   1.8 1420 S | 191 0.00 0.07 0.091   0.004 214   3 30   10
Toyon Remote 1 9/30/26 92.4   4.4 1522 48.1   4.7 0625 - - - - - - - - - - - -
Toyon Remote 2 9/30/26 91.4   3.2 1525 48.2   3.9 0638 - - - - - - - - - - - -
Toyon Remote 3 9/30/26 92.5   4.4 1520 47.3   4.1 0718 - - - - - - - - - - - -
Dealy Lane (Ranch 80) 9/30/26 93.2   1.0 1515 50.7   5.5 0055 52.0   2.1 93   2 20   6 2.3 10.4   1.4 1527 SSE | 147 0.00 0.08 0.152   0.002 451   1 80   10
Carneros (Saintsbury) 9/30/26 89.8   2.5 1518 47.4   3.9 0719 52.3   1.1 100   0 25   1 2.7 11.2   3.1 1658 S | 172 0.00 0.08 - - 30   10
Suscol Lower (Ranch 35) 9/30/26 90.6   1.6 1620 49.6   2.9 0722 52.0   2.5 100   0 24   1 3.6 11.8   0.7 2107 S | 175 0.00 0.15 0.157   0.002 435   2 0   10
Suscol Mtn (Ranch 93) 9/30/26 92.3   0.5 1606 54.8   1.3 0059 50.7   0.8 96   0 22   1 2.5 12.1   7.0 1432 NW | 310 0.00 0.40 - - 0   0
Suscol Upper (Ranch 92) 9/30/26 91.5   1.3 1631 55.3   1.8 0036 49.7   9.1 100   0 0   0 1.0 9.4   0.7 1422 S | 190 0.00 0.15 - - 0   0
Stanly (Ranch 45) 9/30/26 88.6   3.9 1448 51.4   7.3 0715 55.7   4.8 91   5 28   5 5.2 11.8   0.2 1648 WSW | 238 0.00 0.15 0.123   0.042 448   33 40   10
Carneros Upper (Ranch 81) 9/30/26 92.2   0.4 1521 55.4   2.7 0101 51.7   0.5 - - 4.3 16.8   7.7 1823 SW | 233 - - - - 0   10
Carneros (Mitsuko) 9/30/26 90.5   2.6 1454 44.8   3.7 0611 - - - - - - - - - - - 0   10
Carneros Lower (Ranch 81) 9/30/26 92.6   3.5 1448 50.1   4.8 0607 44.6   3.1 100   0 0   0 1.3 10.4   2.5 1613 S | 173 0.00 0.01 0.031   0.005 0   3 30   10
Carneros (Milton Rd) 9/30/26 88.6   3.0 1506 49.0   5.3 0605 52.4   2.0 93   0 28   3 - - - - 0.00 0.00 - - 30   10
Max   103.6 - 69.6 - 56.5 100 28 5.2 16.8 - - 0.00 0.45 0.506 732 -
Avg   - - - - 50.0 - - 2.3 - - - - - - - -
Min   88.6 - 44.8 - 39.9 40 0 1.0 7.2 - - 0.00 0.00 0.031 0 -