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Latest Observation

13 Stations

Daily Data | America/Los_Angeles
as of 8/29/26 4:53 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 8/28/26 81.3   11.8 1545 50.5   6.5 2257 - - - - - - - 0.00 0.00 - - 30   20
Pope Valley (Weeks Lake) 8/28/26 84.8   12.7 1233 46.4   2.3 0054 46.5   0.1 93   3 10   2 1.3   0.7 14.7   1.1 1320 WSW | 252 0.00 0.00 0.093   0.103 230   275 20   20
Dollarhide Base 8/28/26 86.1   15.7 1234 59.6   2.6 0001 50.2   0.6 79   1 22   6 2.2   1.1 11.8   6.4 0930 S | 189 0.00 0.00 0.105   0.128 233   306 20   20
Dollarhide 1AS Remote 8/28/26 87.2   15.7 1230 50.9   0.9 0059 48.6   0.3 89   3 20   4 2.1   0.5 13.4   3.1 1245 SE | 136 - - - - 20   20
Dollarhide 16A Remote 8/28/26 83.9   17.6 1226 54.2   0.4 0059 50.1   1.0 88   3 24   9 - - - - - - - - 20   20
Dollarhide 18A Remote 8/28/26 90.7   10.2 1219 46.4   1.6 0043 48.9   0.2 91   3 21   5 - - - - - - - - 20   20
Hardin Rd (Eakle) 8/28/26 83.5   15.3 1217 55.3   2.7 0003 - - - - - - - - - - - 20   20
Angwin 8/28/26 75.2   15.8 1203 61.9   5.0 0948 35.1   5.2 61   22 6   8 2.2   1.0 13.4   0.3 1249 SSE | 157 0.00 0.00 0.050   0.027 0   0 100   0
Lower Angwin (Pioneer) 8/28/26 75.0   16.5 1224 41.3   8.1 0008 - - - 1.6   0.1 11.4   1.4 1222 SW | 223 - - - - 70   10
Las Posadas (Cal Fire) 8/28/26 75.8   18.6 1226 56.5   2.3 0052 51.0   3.4 89   24 35   16 7.3   0.7 22.9   0.5 0912 SSW | 198 0.00 0.00 0.112   0.138 198   278 -
Deer Park 8/28/26 76.1   23.0 1223 57.8   1.4 0024 52.3   1.5 88   9 38   23 2.5   0.9 10.7   7.0 0914 SE | 135 0.00 0.00 0.075   0.115 161   237 20   20
Lower Chiles Valley (Brown) 8/28/26 75.9   20.0 1558 55.8   6.3 0041 51.3   4.2 90   0 34   17 3.0   0.5 10.6   2.9 1603 WNW | 302 0.00 0.00 0.086   0.123 188   348 20   20
Moss Creek Vineyard/Reservior 8/28/26 87.0   14.0 1438 55.9   0.0 0101 42.8   5.5 86   6 8   2 - - - - 0.00 0.00 - - 20   20
Max   90.7 - 61.9 - 52.3 93 38 7.3 22.9 - - 0.00 0.00 0.112 233 -
Avg   - - - - 47.7 - - 2.8 - - - - - - - -
Min   75.0 - 41.3 - 35.1 61 6 1.3 10.6 - - 0.00 0.00 0.050 0 -

Northern & Central Napa County

27 Stations

Daily Data | America/Los_Angeles
as of 8/29/26 4:53 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 8/28/26 82.8   15.9 1205 52.1   2.1 0044 53.5   0.1 94   5 35   12 - - - - 0.00 0.00 - - 20   20
Diamond Mtn (Schramsberg) 8/28/26 74.6   22.5 1232 58.7   2.3 0050 50.5   1.6 85   13 41   26 - - - - 0.00 0.00 - - 20   20
Diamond Mtn (McEachran) 8/28/26 77.3   18.5 1224 57.0   2.2 0059 51.2   2.0 80   3 42   26 - - - - - - - - 20   20
St. Helena-North 8/28/26 75.6   24.7 1223 53.9   1.8 0057 50.7   2.3 83   4 42   35 2.5 11.2   5.5 1255 ESE | 122 0.00 0.00 0.095   0.090 220   262 20   20
St. Helena (NVV Office) 8/28/26 76.3   24.5 1815 54.8   1.0 0059 - - - 1.1 7.5   2.9 1239 E | 86 0.00 0.00 - - 20   20
Tiara Fria (East St. Helena) 8/28/26 73.5   24.6 1647 51.6   1.8 0059 53.3   0.2 88   1 49   33 1.4 7.8   5.3 0950 S | 181 0.00 0.00 - - 20   20
Prisoner Winery 8/28/26 77.3   23.3 1820 51.3   1.4 0059 53.9   0.5 96   5 46   31 0.8 5.2   5.6 1240 SSE | 153 0.00 0.00 0.012   0.026 0   0 20   20
Rutherford Hill Estate 8/28/26 75.0   21.7 1835 57.8   0.5 0059 53.5   1.2 90   1 49   25 0.9 8.6   8.8 0957 SSW | 210 0.00 0.00 0.062   0.108 181   270 20   20
Rutherford-North (Mee Ln) 8/28/26 73.3   23.3 1601 48.8   2.6 0053 53.3   0.1 91   1 49   33 1.9 9.6   9.4 1248 ESE | 108 0.00 0.00 0.071   0.124 172   290 20   20
Rutherford (STS) 8/28/26 75.0   23.1 1604 49.2   1.6 0059 55.8   0.9 92   0 55   33 1.3 9.4   4.5 0925 SSE | 163 0.00 0.00 0.070   0.129 200   338 20   20
Oakville-NE (Ranch 88) 8/28/26 74.5   21.4 1832 49.3   1.0 0057 51.9   0.0 85   3 46   22 1.3 11.3   7.3 0930 S | 178 0.00 0.00 0.067   0.120 170   295 100   20
OV561-East 8/28/26 76.4   20.2 1831 51.7   1.1 0058 - - - - - - - - - - - 20   20
Oakville 8/28/26 72.4   19.9 1548 49.6   1.9 0059 53.1   0.9 90   2 50   22 2.4 15.0   4.8 0921 ESE | 116 0.00 0.00 0.078   0.128 195   323 60   10
OV518-West 8/28/26 73.0   19.4 1546 51.2   1.2 0101 - - - - - - - - - - - 60   10
To Kalon Remote (TKKE) 8/28/26 74.0   22.7 1608 50.3   2.0 0055 - - - - - - - - - - - 20   20
To Kalon 8/28/26 72.6   22.9 1611 51.4   1.4 0101 54.3   1.0 93   1 53   32 2.3 10.6   5.7 0929 SE | 134 0.00 0.00 0.069   0.130 158   345 50   10
To Kalon Remote (TKN5) 8/28/26 75.2   21.8 1545 51.1   1.5 0044 - - - - - - - - - - - 20   20
Yountville (Ranch 67) 8/28/26 72.9   17.7 1547 50.3   0.7 0059 52.3   0.6 89   2 48   18 2.9 17.7   0.3 0848 SE | 139 0.00 0.00 0.097   0.108 288   279 60   10
Stags Leap Dist (Silverado Vineyards) 8/28/26 73.7   17.9 1546 50.4   1.5 0059 52.6   0.9 90   2 47   18 2.6 14.3   2.3 1548 SSE | 167 0.00 0.00 0.084   0.114 203   328 70   10
Borreo (Soda Canyon) 8/28/26 71.1   18.0 1556 52.0   0.6 0101 51.6   1.0 93   1 52   22 1.5 9.2   4.2 1556 E | 93 0.00 0.00 0.072   0.096 216   270 70   10
Wappo Hill Floor 8/28/26 74.5   17.8 1558 50.8   0.4 0026 53.8   0.7 100   8 46   15 2.2 10.5   4.9 1615 SSE | 163 0.00 0.00 0.079   0.105 211   273 90   20
Stags Leap Dist (Chimney Rock) 8/28/26 72.6   17.6 1550 50.0   0.9 0101 55.3   1.5 94   4 55   17 2.0 12.7   1.8 1550 SE | 130 0.00 0.00 0.071   0.098 192   266 60   10
Yountville-South (Ranch 87) 8/28/26 76.2   16.5 1548 50.9   1.2 0053 54.3   0.9 100   6 46   20 1.3 7.8   5.3 1404 S | 176 0.00 0.00 0.071   0.095 202   250 20   20
Yountville-SE (Ranch 85) 8/28/26 72.0   18.1 1549 52.2   0.4 0058 54.5   1.0 93   1 51   17 2.0 10.5   7.9 1552 SSE | 166 0.00 0.00 - 0   0 60   10
Oak Knoll-East (Ranch 53) 8/28/26 72.8   17.3 1545 52.1   0.7 0057 53.5   0.5 89   1 48   23 1.6 10.7   2.9 1608 SE | 131 0.00 0.00 0.075   0.108 210   304 90   20
Napa-NW (Ranch 54) 8/28/26 76.5   17.6 1829 52.6   0.5 0046 53.5   0.1 88   2 45   26 0.4 5.1   8.2 1424 S | 191 0.00 0.00 - 0   0 90   20
Napa-North (Ranch 29) 8/28/26 72.3   16.4 1835 53.0   0.4 0049 54.3   1.4 100   0 54   18 1.2 11.0   2.0 1524 SSE | 164 0.00 0.00 0.050   0.059 133   137 70   10
Max   82.8 - 58.7 - 55.8 100 55 2.9 17.7 - - 0.00 0.00 0.097 288 -
Avg   - - - - 53.2 - - 1.7 - - - - - - - -
Min   71.1 - 48.8 - 50.5 80 35 0.4 5.1 - - 0.00 0.00 0.012 0 -

Southern Napa County

22 Stations

Daily Data | America/Los_Angeles
as of 8/29/26 4:53 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 8/28/26 74.7   18.2 1539 58.2   6.5 0101 47.6   3.0 72   16 18   6 1.0 9.1   3.0 0857 S | 181 0.00 0.00 0.070   0.160 244   455 100   0
Mount George (Napa East) 8/28/26 70.4   17.5 1839 54.4   2.6 0047 53.2   0.4 92   1 55   23 1.0 9.4   1.0 1431 W | 273 0.00 0.00 0.067   0.098 209   290 60   10
Napa-East (Palmaz 300') 8/28/26 75.1   19.5 1844 55.1   0.4 0056 53.8   0.5 91   9 49   23 0.3 8.3   2.7 1457 SW | 236 0.00 0.00 0.056   0.078 179   210 30   10
Napa-East (Palmaz 1200') 7/3/26 79.0   6.0 1616 49.0   3.8 0539 47.1   0.2 100   0 45   38 2.0 12.7   4.5 1533 NW | 313 - - 0.192   0.009 656   3 30   20
Napa-East (Palmaz 1400') 8/28/26 70.3   17.1 0101 54.6   0.3 0036 52.2   1.7 96   8 37   13 2.6 11.2   3.1 0851 SW | 233 0.00 0.03 0.074   0.096 225   256 70   10
Wooden Valley 8/28/26 73.4   18.1 1627 60.3   2.5 2355 49.2   0.6 72   5 38   19 3.4 15.0   0.4 0906 NNW | 331 0.00 0.00 0.098   0.097 228   243 20   10
Napa-West Upper (Truchard) 8/28/26 74.3   16.0 1622 57.4   0.3 0101 54.2   2.2 100   0 48   23 1.8 12.9   7.1 1423 S | 177 0.00 0.00 0.074   0.123 201   317 60   10
Napa-West Lower (Truchard) 8/28/26 74.1   16.0 1622 47.4   2.8 0059 52.2   1.5 89   8 48   22 - - - - - - - - 60   10
Napa-South (Toyon Farms) 8/28/26 72.5   14.3 1616 55.2   2.4 0053 56.2   2.6 96   3 57   14 2.4 12.0   2.8 0904 SSE | 165 0.00 0.00 0.045   0.058 113   113 60   10
Toyon Remote 1 8/28/26 72.7   15.4 1553 49.7   4.4 0055 - - - - - - - - - - - -
Toyon Remote 2 8/28/26 72.5   13.7 1617 49.2   3.7 0059 - - - - - - - - - - - -
Toyon Remote 3 8/28/26 73.5   15.7 1619 49.2   4.0 0058 - - - - - - - - - - - -
Dealy Lane (Ranch 80) 8/28/26 73.8   16.7 1831 50.6   4.0 0059 52.9   1.7 92   0 46   22 1.6 11.2   5.0 0910 SSE | 147 0.00 0.00 0.073   0.105 204   302 60   10
Carneros (Saintsbury) 8/28/26 72.4   13.1 1628 50.5   2.6 0101 53.4   1.6 94   4 51   13 2.9 15.6   0.3 1421 SSW | 204 0.00 0.00 - - 90   10
Suscol Lower (Ranch 35) 8/28/26 70.3   18.6 1826 56.4   0.2 0055 54.1   1.6 91   1 51   21 3.8 14.5   0.2 1518 S | 190 0.00 0.00 0.077   0.101 194   278 70   10
Suscol Mtn (Ranch 93) 8/28/26 68.7   23.5 1829 55.3   4.0 0055 54.1   0.5 96   0 60   30 3.3 17.3   2.3 1428 NNW | 328 0.00 0.00 - - 70   10
Suscol Upper (Ranch 92) 8/28/26 69.0   19.8 1830 56.2   2.7 0059 54.1   12.4 100   0 0   0 1.8 15.9   1.7 0841 SSE | 167 0.00 0.00 - - 70   10
Stanly (Ranch 45) 8/28/26 71.0   15.2 1837 54.0   1.6 0047 54.3   1.7 90   4 52   16 3.4 15.4   0.1 0900 SSW | 193 0.00 0.00 0.081   0.107 213   322 80   10
Carneros Upper (Ranch 81) 8/28/26 74.2   15.0 1824 56.6   2.7 0059 53.0   1.4 - - 4.1 19.4   0.0 1413 SW | 230 - - - - 60   10
Carneros (Mitsuko) 8/28/26 72.7   14.7 1613 46.8   3.6 0101 - - - - - - - - - - - 90   10
Carneros Lower (Ranch 81) 8/28/26 77.4   11.8 1618 50.8   4.0 0059 53.7   0.7 90   10 45   44 0.6 9.6   4.3 1849 S | 170 0.00 0.00 0.007   0.029 0   0 60   10
Carneros (Milton Rd) 8/28/26 72.0   13.5 1622 49.5   3.6 0059 53.3   2.1 88   4 49   11 - - - - 0.00 0.00 - - 90   10
Max   77.4 - 60.3 - 56.2 100 60 4.1 19.4 - - 0.00 0.03 0.098 244 -
Avg   - - - - 53.0 - - 2.3 - - - - - - - -
Min   68.7 - 46.8 - 47.6 72 0 0.3 8.3 - - 0.00 0.00 0.007 0 -