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Latest Observation

13 Stations

Daily Data | America/Los_Angeles
as of 9/20/26 1:18 PM 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 9/19/26 86.9   4.1 1203 55.0   7.1 0450 - - - - - - - 0.00 0.82 - - 90   10
Pope Valley (Weeks Lake) 9/19/26 92.5   4.7 1520 43.6   1.7 0636 47.4   0.9 100   0 19   6 1.5   0.1 11.8   0.7 1249 SSW | 211 0.00 0.03 0.160   0.013 456   3 0   10
Dollarhide Base 9/19/26 94.1   4.0 1600 50.8   2.6 0704 52.5   0.2 97   2 23   5 3.0   0.9 17.6   3.5 1728 SSW | 209 0.00 0.00 0.194   0.027 490   7 20   10
Dollarhide 1AS Remote 9/19/26 93.6   3.4 1533 43.7   1.5 0648 49.2   0.4 90   2 23   5 2.4   0.9 18.7   3.6 1415 SW | 214 - - - - 20   10
Dollarhide 16A Remote 9/19/26 94.2   3.4 1551 49.5   2.3 0658 52.2   0.1 96   1 23   5 - - - - - - - - 20   10
Dollarhide 18A Remote 9/19/26 92.9   3.8 1229 41.7   1.2 0642 48.5   0.4 95   2 23   5 - - - - - - - - 0   0
Hardin Rd (Eakle) 9/19/26 92.1   3.1 1501 46.0   1.8 0706 - - - - - - - - - - - 0   10
Angwin 9/19/26 83.4   3.8 1533 65.1   9.9 0101 42.5   5.2 48   34 21   7 3.9   0.8 14.7   3.6 0841 WNW | 301 0.00 0.30 0.077   0.036 0   0 100   0
Lower Angwin (Pioneer) 9/19/26 84.4   4.2 1532 45.7   2.5 0135 - - - 2.3   0.5 12.3   0.7 1756 SW | 217 - - - - 100   0
Las Posadas (Cal Fire) 9/19/26 86.5   3.5 1541 49.0   2.1 0658 51.2   0.4 99   4 25   6 7.5   2.1 22.0   3.4 1332 SW | 215 0.00 0.23 0.191   0.014 465   7 -
Deer Park 9/19/26 91.3   5.1 1628 52.9   0.9 0621 52.0   1.5 97   6 21   6 2.8   0.7 11.9   2.8 1559 NW | 304 0.00 0.04 0.124   0.019 321   21 50   10
Lower Chiles Valley (Brown) 9/19/26 87.4   2.1 1514 45.9   3.8 0424 51.5   2.9 100   0 26   1 3.9   1.6 13.8   1.8 1606 W | 279 0.00 0.14 0.159   0.009 508   2 20   10
Moss Creek Vineyard/Reservior 9/19/26 93.2   5.8 1520 48.7   3.4 0700 49.4   0.4 94   2 18   5 - - - - 0.00 0.04 - - 0   0
Max   94.2 - 65.1 - 52.5 100 26 7.5 22.0 - - 0.00 0.82 0.194 508 -
Avg   - - - - 49.6 - - 3.4 - - - - - - - -
Min   83.4 - 41.7 - 42.5 48 18 1.5 11.8 - - 0.00 0.00 0.077 0 -

Northern & Central Napa County

27 Stations

Daily Data | America/Los_Angeles
as of 9/20/26 1:18 PM 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 9/19/26 90.6   3.4 1442 48.0   0.1 0607 52.4   0.2 97   0 27   6 - - - - 0.00 0.09 - - 10   10
Diamond Mtn (Schramsberg) 9/19/26 89.8   4.8 1528 51.5   0.3 0739 50.6   0.1 100   7 21   6 - - - - 0.00 0.13 - - 90   10
Diamond Mtn (McEachran) 9/19/26 89.1   4.5 1617 52.8   1.4 0516 50.7   0.4 96   2 22   7 - - - - - - - - 90   10
St. Helena-North 9/19/26 91.0   1.8 1609 50.6   2.2 0440 49.8   1.2 92   3 18   5 2.1 11.0   0.4 1820 SE | 133 0.00 0.11 0.137   0.007 394   38 40   10
St. Helena (NVV Office) 9/19/26 91.9   2.4 1633 51.2   1.9 0459 - - - 1.1 8.4   2.2 1807 SE | 136 0.00 0.04 - - 50   10
Tiara Fria (East St. Helena) 9/19/26 87.1   0.9 1557 49.0   2.3 0454 52.6   2.6 94   3 35   9 1.8 14.1   0.4 1715 ESE | 109 0.00 0.02 - - 40   10
Prisoner Winery 9/19/26 89.9   0.7 1618 48.4   1.5 0422 53.1   2.8 97   1 32   8 1.1 7.2   6.1 1723 SSE | 154 0.00 0.06 0.020   0.008 0   0 20   10
Rutherford Hill Estate 9/19/26 89.3   1.0 1555 53.3   2.4 0427 54.1   2.5 100   5 33   8 1.3 11.4   0.4 1821 S | 172 0.00 0.08 0.124   0.015 394   20 0   10
Rutherford-North (Mee Ln) 9/19/26 87.1   2.1 1603 46.9   3.7 0427 52.2   2.7 93   2 35   9 2.4 16.0   3.5 1801 SE | 137 0.00 0.06 0.139   0.012 398   46 80   10
Rutherford (STS) 9/19/26 88.4   1.1 1618 47.4   3.8 0418 54.9   2.5 92   0 40   8 1.7 12.4   0.2 1722 ESE | 119 0.00 0.05 0.149   0.016 463   42 80   10
Oakville-NE (Ranch 88) 9/19/26 87.4   2.3 1548 49.4   5.8 0233 51.4   3.3 86   4 33   8 1.6 15.2   4.1 1812 S | 191 0.00 0.04 0.134   0.010 396   40 100   0
OV561-East 9/19/26 88.5   1.7 1529 51.3   5.7 0228 - - - - - - - - - - - 40   10
Oakville 9/19/26 84.1   2.9 1550 50.4   5.8 0226 53.0   3.1 90   3 39   10 2.7 16.4   2.4 1821 SE | 128 0.00 0.03 0.146   0.017 441   45 90   20
OV518-West 9/19/26 82.8   2.5 1557 51.3   6.3 0217 - - - - - - - - - - - 100   0
To Kalon Remote (TKKE) 9/19/26 87.2   2.0 1556 49.9   4.2 0229 - - - - - - - - - - - 80   10
To Kalon 9/19/26 84.7   3.9 1557 50.6   4.7 0225 53.7   2.5 93   3 40   11 2.5 17.0   5.6 1751 SE | 135 0.00 0.00 0.146   0.011 445   41 90   20
To Kalon Remote (TKN5) 9/19/26 86.4   2.3 1608 50.8   4.6 0220 - - - - - - - - - - - 80   10
Yountville (Ranch 67) 9/19/26 82.0   4.7 1605 49.8   5.1 0255 52.1   2.6 90   2 40   13 3.3 15.9   4.3 1817 S | 184 0.00 0.05 0.151   0.008 494   38 90   20
Stags Leap Dist (Silverado Vineyards) 9/19/26 82.3   5.1 1546 49.6   4.8 0249 52.4   2.6 92   3 39   12 2.6 15.3   3.6 1902 SSE | 160 0.00 0.07 0.144   0.014 430   54 70   10
Borreo (Soda Canyon) 9/19/26 82.4   0.4 1515 48.9   2.8 0309 51.9   2.2 94   4 38   8 1.6 8.9   3.7 1824 S | 174 0.00 0.31 0.133   0.016 440   40 100   20
Wappo Hill Floor 9/19/26 83.2   3.6 1545 50.8   6.5 0341 53.5   2.2 100   0 41   12 2.4 12.4   2.7 1639 SSE | 165 0.00 0.10 0.144   0.018 451   27 100   10
Stags Leap Dist (Chimney Rock) 9/19/26 82.2   3.6 1548 49.2   5.3 0337 55.0   2.3 96   2 48   11 2.3 11.4   1.4 1820 SE | 130 0.00 0.10 0.128   0.017 408   39 100   0
Yountville-South (Ranch 87) 9/19/26 84.2   2.7 1545 51.9   7.0 0147 54.1   2.5 96   4 40   11 1.5 9.5   2.9 1653 S | 183 0.00 0.09 0.131   0.003 420   24 100   10
Yountville-SE (Ranch 85) 9/19/26 81.4   4.3 1621 51.8   6.4 0340 54.3   2.7 94   0 44   12 2.1 13.4   0.6 1822 S | 170 0.00 0.08 - 0   0 100   0
Oak Knoll-East (Ranch 53) 9/19/26 80.8   5.5 1533 51.7   5.9 0308 52.8   2.2 90   2 43   16 1.9 11.8   0.8 1349 E | 100 0.00 0.15 0.140   0.023 452   59 100   10
Napa-NW (Ranch 54) 9/19/26 84.2   2.5 1550 52.6   6.1 0102 52.9   2.4 89   4 40   12 0.6 6.5   4.0 1631 SE | 134 0.00 0.18 - 0   0 100   10
Napa-North (Ranch 29) 9/19/26 80.6   2.3 1553 50.8   4.0 0449 54.6   1.8 100   0 45   12 1.3 10.9   5.0 1735 S | 175 0.00 0.10 0.097   0.006 303   11 100   10
Max   91.9 - 53.3 - 55.0 100 48 3.3 17.0 - - 0.00 0.31 0.151 494 -
Avg   - - - - 52.8 - - 1.9 - - - - - - - -
Min   80.6 - 46.9 - 49.8 86 18 0.6 6.5 - - 0.00 0.00 0.020 0 -

Southern Napa County

22 Stations

Daily Data | America/Los_Angeles
as of 9/20/26 1:18 PM 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 9/18/26 80.2   12.4 1430 54.4   3.6 0510 50.5   0.0 86   7 32   22 1.3 9.5   0.6 1451 SSE | 157 0.00 0.45 0.399   0.151 - 100   20
Mount George (Napa East) 9/19/26 113.7   9.0 1335 53.5   5.6 0353 57.6   3.7 93   7 40   1 1.4 8.3   2.5 1204 WSW | 243 0.00 0.16 0.138   0.013 450   50 100   0
Napa-East (Palmaz 300') 9/19/26 87.9   1.8 1457 52.8   4.3 0349 53.4   1.4 94   6 34   1 1.1 9.8   2.5 1342 SW | 227 0.00 0.16 0.129   0.014 411   39 90   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') 9/19/26 79.3   0.7 1614 49.8   2.8 0338 52.6   1.0 100   0 44   0 2.2 11.2   2.6 1811 WSW | 237 0.00 0.33 0.137   0.008 478   4 100   10
Wooden Valley 9/19/26 83.8   1.0 1526 50.5   4.9 0725 50.8   1.1 93   3 34   0 3.3 13.7   5.9 1417 SW | 232 0.00 0.04 0.162   0.003 495   8 100   0
Napa-West Upper (Truchard) 9/19/26 81.0   6.0 1459 52.3   2.0 0601 19.8   13.5 100   0 0   0 2.3 15.6   2.8 1801 S | 186 0.00 0.10 0.203   0.039 827   65 90   20
Napa-West Lower (Truchard) 9/19/26 80.4   5.9 1552 45.4   2.0 0439 50.3   0.9 94   4 41   13 - - - - - - - - 90   20
Napa-South (Toyon Farms) 9/19/26 79.3   5.7 1447 51.7   1.0 0438 55.6   0.7 100   0 52   16 2.8 13.2   2.0 1637 S | 170 0.00 0.07 0.083   0.008 248   21 80   10
Toyon Remote 1 9/19/26 78.7   8.4 1444 47.0   1.2 0513 - - - - - - - - - - - -
Toyon Remote 2 9/19/26 77.7   6.0 1551 47.6   1.9 0501 - - - - - - - - - - - -
Toyon Remote 3 9/19/26 78.5   8.9 1521 47.6   1.4 0504 - - - - - - - - - - - -
Dealy Lane (Ranch 80) 9/19/26 78.6   6.5 1506 49.6   2.6 0618 52.5   1.5 96   0 39   10 2.2 13.7   1.1 1413 SE | 144 0.00 0.08 0.131   0.022 430   58 100   0
Carneros (Saintsbury) 9/19/26 76.3   7.1 1526 46.7   0.6 0558 52.1   0.8 100   0 47   15 3.8 14.3   5.0 1604 SE | 141 0.00 0.08 - - 80   10
Suscol Lower (Ranch 35) 9/19/26 78.0   1.8 1536 51.2   2.7 0511 53.6   1.0 100   0 46   7 3.4 14.2   1.8 1804 SSW | 196 0.00 0.15 0.122   0.030 382   82 80   10
Suscol Mtn (Ranch 93) 9/19/26 80.2   2.1 1457 53.6   0.6 0057 54.0   0.6 98   2 42   1 3.3 14.0   2.9 1443 NW | 312 0.00 0.33 - - 70   10
Suscol Upper (Ranch 92) 9/19/26 78.8   0.3 1603 54.4   1.6 0056 23.5   18.9 100   0 0   0 1.7 11.1   4.7 1327 WSW | 250 0.00 0.15 - - 30   10
Stanly (Ranch 45) 9/19/26 76.5   3.8 1557 47.8   3.8 0519 52.5   0.7 94   1 49   14 3.3 13.5   3.3 1622 SSW | 201 0.00 0.15 0.128   0.028 420   69 90   10
Carneros Upper (Ranch 81) 9/19/26 79.8   3.3 1508 53.9   2.0 0056 49.3   21.9 - - 5.7 24.8   3.7 1757 W | 262 - - - - 80   10
Carneros (Mitsuko) 9/19/26 77.0   7.7 1531 44.8   0.8 0453 - - - - - - - - - - - 80   10
Carneros Lower (Ranch 81) 9/19/26 79.8   8.8 1457 47.6   2.5 0614 47.8   2.9 100   0 0   0 1.3 12.6   1.4 1413 S | 174 0.00 0.01 0.019   0.003 1   13 80   20
Carneros (Milton Rd) 9/19/26 76.1   5.1 1506 47.6   1.5 0507 52.2   0.9 94   0 51   18 - - - - 0.00 0.00 - - 80   10
Max   113.7 - 54.4 - 57.6 100 52 5.7 24.8 - - 0.00 0.33 0.203 827 -
Avg   - - - - 48.6 - - 2.7 - - - - - - - -
Min   76.1 - 44.8 - 19.8 93 0 1.1 8.3 - - 0.00 0.00 0.019 1 -