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Latest Observation

13 Stations

Daily Data | America/Los_Angeles
as of 10/2/26 9:40 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 10/1/26 90.7   0.6 1523 54.1   4.5 0718 - - - - - - - 0.00 0.82 - - 70   10
Pope Valley (Weeks Lake) 10/1/26 97.6   0.3 1511 41.4   3.1 0655 44.5   1.4 94   4 12   1 1.3   0.1 13.2   1.8 1519 WSW | 245 0.00 0.03 0.146   0.005 418   4 60   10
Dollarhide Base 10/1/26 98.8   1.5 1524 51.0   1.7 0654 49.4   1.8 89   4 18   2 2.2   0.1 13.3   0.9 1339 ENE | 57 0.00 0.00 0.170   0.008 431   9 20   10
Dollarhide 1AS Remote 10/1/26 98.0   2.6 1531 41.8   1.4 0609 45.8   1.1 86   2 18   2 1.5   0.2 11.2   3.1 1347 NE | 41 - - - - 20   10
Dollarhide 16A Remote 10/1/26 99.9   0.0 1428 47.6   2.9 0658 49.4   1.8 92   3 18   1 - - - - - - - - 50   10
Dollarhide 18A Remote 10/1/26 98.9   2.0 1459 39.9   1.6 0650 45.5   0.9 90   2 18   2 - - - - - - - - 70   10
Hardin Rd (Eakle) 10/1/26 97.8   0.4 1521 45.0   1.7 0722 - - - - - - - - - - - 70   10
Angwin 10/1/26 88.8   0.1 1512 66.6   2.7 0627 42.4   5.7 44   15 14   2 3.0   1.3 12.1   4.6 1419 S | 186 0.00 0.30 0.072   0.028 0   0 100   0
Lower Angwin (Pioneer) 10/1/26 90.9   1.0 1439 48.9   0.4 0106 - - - 1.7   0.6 9.9   2.5 1254 SSW | 192 - - - - 90   10
Las Posadas (Cal Fire) 10/1/26 92.7   0.8 1520 60.8   0.8 2231 45.7   3.4 66   18 15   1 4.7   1.0 15.0   1.2 1555 SSW | 208 0.00 0.23 0.194   0.024 419   1 -
Deer Park 10/1/26 96.0   0.9 1513 53.0   6.2 0636 50.2   3.8 93   26 16   1 2.4   0.1 11.3   0.9 1522 SE | 141 0.00 0.04 0.139   0.002 323   1 50   10
Lower Chiles Valley (Brown) 10/1/26 94.3   2.1 1455 43.8   3.8 0639 44.9   2.4 93   11 17   4 1.8   0.0 14.3   1.8 1523 WNW | 297 0.00 0.14 0.171   0.006 472   5 50   10
Moss Creek Vineyard/Reservior 10/1/26 98.9   0.0 1507 49.5   4.1 0717 46.9   1.9 85   10 14   1 - - - - 0.00 0.04 - - 30   10
Max   99.9 - 66.6 - 50.2 94 18 4.7 15.0 - - 0.00 0.82 0.194 472 -
Avg   - - - - 46.5 - - 2.3 - - - - - - - -
Min   88.8 - 39.9 - 42.4 44 12 1.3 9.9 - - 0.00 0.00 0.072 0 -

Northern & Central Napa County

27 Stations

Daily Data | America/Los_Angeles
as of 10/2/26 9:40 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 10/1/26 99.8   0.1 1420 45.8   3.6 0700 50.8   2.4 93   10 19   1 - - - - 0.00 0.09 - - 70   10
Diamond Mtn (Schramsberg) 10/1/26 93.3   1.8 1532 54.6   6.9 0643 49.6   5.6 92   37 19   4 - - - - 0.00 0.13 - - 70   10
Diamond Mtn (McEachran) 10/1/26 94.7   1.5 1522 52.2   5.4 0722 50.0   4.9 89   23 19   4 - - - - - - - - 70   10
St. Helena-North 10/1/26 96.2   3.1 1501 48.6   1.3 0652 48.0   4.0 86   8 13   1 2.4 11.8   1.1 1520 SE | 133 0.00 0.11 0.157   0.010 396   1 10   10
St. Helena (NVV Office) 10/1/26 95.1   3.2 1624 48.9   0.9 0704 - - - 1.2 8.7   0.8 1532 SE | 140 0.00 0.04 - - 20   10
Tiara Fria (East St. Helena) 10/1/26 93.5   1.8 1550 46.7   0.6 0606 50.0   1.9 91   3 19   3 1.7 11.3   1.9 1540 SSW | 192 0.00 0.02 - - 0   10
Prisoner Winery 10/1/26 96.8   1.3 1534 45.4   2.4 0519 51.1   1.7 98   4 19   1 1.1 7.8   0.4 1608 E | 91 0.00 0.06 0.028   0.001 0   0 0   10
Rutherford Hill Estate 10/1/26 96.4   0.4 1553 52.4   3.6 0721 52.8   1.8 100   16 19   0 1.2 11.4   1.8 1514 SSE | 153 0.00 0.08 0.133   0.003 388   4 20   10
Rutherford-North (Mee Ln) 10/1/26 94.0   1.9 1534 43.7   1.5 0507 49.9   1.7 95   4 23   3 2.3 14.0   0.2 1835 SE | 127 0.00 0.06 0.156   0.001 403   4 50   10
Rutherford (STS) 10/1/26 96.4   1.5 1448 44.6   0.1 0427 53.2   1.5 92   0 28   3 1.6 11.8   0.5 1542 ESE | 104 0.00 0.05 0.162   0.002 465   6 50   10
Oakville-NE (Ranch 88) 10/1/26 94.3   1.5 1611 43.9   0.2 0436 48.9   3.1 100   15 21   3 1.5 12.4   0.0 1527 SSE | 150 0.00 0.04 0.147   0.004 405   4 70   10
OV561-East 10/1/26 96.1   1.3 1609 47.2   0.6 0446 - - - - - - - - - - - 20   10
Oakville 10/1/26 91.5   1.8 1603 45.1   0.0 0431 50.7   2.3 96   7 23   2 2.6 14.2   0.1 1900 SSE | 150 0.00 0.03 0.165   0.007 445   3 60   10
OV518-West 10/1/26 91.5   2.3 1554 46.2   0.0 0442 - - - - - - - - - - - 70   10
To Kalon Remote (TKKE) 10/1/26 94.7   1.5 1518 45.4   1.0 0445 - - - - - - - - - - - 70   10
To Kalon 10/1/26 93.3   1.7 1545 46.7   0.3 0412 52.4   2.0 98   5 24   2 2.4 12.7   0.9 1518 ESE | 119 0.00 0.00 0.163   0.006 445   7 60   10
To Kalon Remote (TKN5) 10/1/26 95.9   0.8 1612 46.7   0.1 0451 - - - - - - - - - - - 70   10
Yountville (Ranch 67) 10/1/26 90.9   2.5 1541 44.2   0.4 0444 50.2   2.6 95   6 25   5 2.3 12.6   0.5 1823 SE | 146 0.00 0.05 0.160   0.009 497   1 60   10
Stags Leap Dist (Silverado Vineyards) 10/1/26 91.5   2.6 1607 45.6   0.8 0430 50.9   2.8 96   3 25   5 1.9 13.2   1.2 1521 E | 89 0.00 0.07 0.157   0.013 442   1 70   10
Borreo (Soda Canyon) 10/1/26 89.7   1.8 1648 47.0   2.2 0426 49.8   2.8 97   6 25   6 1.5 7.8   1.0 1355 W | 261 0.00 0.31 0.141   0.006 438   3 20   10
Wappo Hill Floor 10/1/26 92.4   1.9 1624 45.2   0.5 0432 51.9   2.8 100   8 26   6 2.0 10.4   1.4 1823 SE | 140 0.00 0.10 0.155   0.008 450   0 70   10
Stags Leap Dist (Chimney Rock) 10/1/26 91.0   2.5 1634 45.1   0.8 0429 53.9   2.2 99   1 34   6 1.9 11.1   0.5 1831 SE | 125 0.00 0.10 0.137   0.008 411   5 70   10
Yountville-South (Ranch 87) 10/1/26 94.4   0.5 1643 45.4   0.0 0528 52.2   1.9 100   0 23   2 1.1 8.1   3.7 1630 SSW | 201 0.00 0.09 0.126   0.007 365   1 70   10
Yountville-SE (Ranch 85) 10/1/26 92.8   0.2 1640 47.8   1.8 0431 52.9   2.3 100   8 27   4 1.3 9.3   1.7 1819 SSE | 153 0.00 0.08 - 0   0 70   10
Oak Knoll-East (Ranch 53) 10/1/26 92.2   1.2 1623 45.9   0.5 0627 51.5   1.5 95   4 23   3 1.5 10.5   1.0 1441 SSE | 157 0.00 0.15 0.150   0.010 459   14 70   10
Napa-NW (Ranch 54) 10/1/26 93.7   0.4 1603 45.6   1.9 0618 51.2   1.7 92   4 22   0 0.4 5.9   0.4 1827 ESE | 116 0.00 0.18 - 0   0 70   10
Napa-North (Ranch 29) 10/1/26 90.4   2.3 1631 49.4   2.4 0533 54.0   2.4 100   0 29   6 1.4 9.9   1.6 1746 S | 177 0.00 0.10 0.100   0.006 273   4 40   10
Max   99.8 - 54.6 - 54.0 100 34 2.6 14.2 - - 0.00 0.31 0.165 497 -
Avg   - - - - 51.2 - - 1.7 - - - - - - - -
Min   89.7 - 43.7 - 48.0 86 13 0.4 5.9 - - 0.00 0.00 0.028 0 -

Southern Napa County

22 Stations

Daily Data | America/Los_Angeles
as of 10/2/26 9:40 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 10/1/26 87.5   3.9 1402 68.8   0.8 0647 44.4   4.5 46   6 22   6 1.8 9.8   1.1 1506 S | 189 0.00 0.45 0.186   0.029 553   178 100   0
Mount George (Napa East) 10/1/26 97.6   6.0 1625 46.2   0.6 0427 54.2   2.3 97   4 33   9 1.0 8.6   1.4 1343 W | 275 0.00 0.16 0.142   0.007 453   6 70   10
Napa-East (Palmaz 300') 10/1/26 94.0   3.3 1634 48.3   1.6 0706 53.1   2.3 100   0 25   7 1.1 8.0   0.4 1413 WSW | 246 0.00 0.16 0.132   0.006 401   5 60   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') 10/1/26 90.6   1.6 1301 52.2   4.0 0719 48.4   2.3 77   10 20   2 1.9 10.7   1.0 1526 SW | 220 0.00 0.33 0.154   0.006 449   5 40   10
Wooden Valley 10/1/26 92.9   1.0 1454 44.1   3.2 0712 44.5   0.9 88   9 16   1 1.4 10.2   1.5 1542 ESE | 108 0.00 0.04 0.153   0.006 450   7 70   10
Napa-West Upper (Truchard) 10/1/26 92.4   2.5 1608 50.1   5.1 0728 16.0   34.6 100   0 0   0 1.9 10.5   1.2 1728 S | 175 0.00 0.10 0.328   0.178 1,300 60   10
Napa-West Lower (Truchard) 10/1/26 91.6   2.7 1602 45.7   0.3 0610 50.7   1.5 96   1 26   8 - - - - - - - - 60   10
Napa-South (Toyon Farms) 10/1/26 89.7   3.1 1540 51.5   1.3 0742 56.3   0.2 100   1 35   8 1.8 10.8   0.8 1738 S | 178 0.00 0.07 0.082   0.009 214   0 20   10
Toyon Remote 1 10/1/26 89.4   3.0 1534 47.7   0.4 0530 - - - - - - - - - - - -
Toyon Remote 2 10/1/26 89.3   2.1 1555 46.0   2.2 0529 - - - - - - - - - - - -
Toyon Remote 3 10/1/26 90.3   2.2 1558 47.6   0.4 0542 - - - - - - - - - - - -
Dealy Lane (Ranch 80) 10/1/26 90.4   2.8 1534 50.7   0.0 0319 52.9   0.9 96   3 27   7 1.9 11.2   0.8 1341 SSE | 158 0.00 0.08 0.138   0.014 439   12 70   10
Carneros (Saintsbury) 10/1/26 87.0   2.8 1540 46.8   0.6 0759 52.3   0.0 100   0 31   6 2.6 11.9   0.7 1249 S | 174 0.00 0.08 - - 20   10
Suscol Lower (Ranch 35) 10/1/26 86.3   4.3 1555 50.2   0.6 0445 53.7   1.7 100   0 32   7 3.4 11.7   0.2 2111 SSE | 162 0.00 0.15 0.136   0.021 405   31 0   0
Suscol Mtn (Ranch 93) 10/1/26 88.0   4.3 1506 54.5   0.4 0103 53.1   2.3 96   1 30   8 2.3 10.2   1.9 1519 NW | 317 0.00 0.40 - - 0   0
Suscol Upper (Ranch 92) 10/1/26 88.3   3.2 1554 54.3   1.0 0109 40.4   9.2 100   0 0   0 0.3 10.4   1.1 2047 SSE | 159 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) 10/1/26 89.2   3.0 1618 51.7   3.7 0702 20.2   31.4 - - 2.7 11.6   5.2 1324 S | 180 - - - - 0   0
Carneros (Mitsuko) 10/1/26 87.7   2.8 1527 44.1   0.7 0249 - - - - - - - - - - - 0   0
Carneros Lower (Ranch 81) 10/1/26 87.7   4.9 1446 47.9   2.2 0505 44.4   0.2 100   0 0   0 1.2 9.9   0.6 1222 SSE | 154 0.00 0.01 0.024   0.007 1   1 20   10
Carneros (Milton Rd) 10/1/26 85.9   2.7 1601 46.0   3.0 0418 52.4   0.0 92   1 28   1 - - - - 0.00 0.00 - - 20   10
Max   97.6 - 68.8 - 56.3 100 35 3.4 11.9 - - 0.00 0.45 0.328 1,300 -
Avg   - - - - 46.1 - - 1.8 - - - - - - - -
Min   85.9 - 44.1 - 16.0 46 0 0.3 8.0 - - 0.00 0.00 0.024 1 -