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Latest Observation

13 Stations

Daily Data | America/Los_Angeles
as of 9/4/26 7:32 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 9/3/26 64.8   3.0 1421 48.4   4.1 0055 - - - - - - - 0.53 0.82 - - 60   10
Pope Valley (Weeks Lake) 9/3/26 68.5   6.2 1519 52.0   3.3 0034 54.4   3.0 94   6 54   16 2.5   0.5 18.6   3.1 1600 SW | 226 0.03 0.03 0.054   0.049 149   148 0   0
Dollarhide Base 9/3/26 71.7   5.5 1528 56.9   0.2 0056 57.1   2.1 91   2 61   17 4.4   0.2 19.2   2.3 1502 SW | 218 0.00 0.00 0.072   0.048 202   153 0   0
Dollarhide 1AS Remote 9/3/26 72.6   5.2 1522 53.4   1.4 0058 56.6   2.2 90   1 58   16 4.2   0.4 18.6   2.3 1535 SSW | 203 - - - - 20   10
Dollarhide 16A Remote 9/3/26 71.7   5.1 1521 55.3   1.8 0047 57.0   2.0 93   2 58   14 - - - - - - - - 0   0
Dollarhide 18A Remote 9/3/26 70.1   5.9 1526 50.2   2.0 0101 56.1   2.2 95   3 62   18 - - - - - - - - 0   0
Hardin Rd (Eakle) 9/3/26 69.6   7.6 1456 54.9   0.3 0101 - - - - - - - - - - - 0   0
Angwin 9/3/26 57.8   7.8 1312 51.2   0.2 0059 53.8   2.3 100   0 82   32 4.0   0.1 15.8   0.0 1210 S | 183 0.24 0.29 0.002   0.012 0   0 60   10
Lower Angwin (Pioneer) 9/3/26 61.1   7.9 1343 52.3   0.2 0033 - - - 2.9   0.0 14.8   0.1 0311 WNW | 288 - - - - 60   10
Las Posadas (Cal Fire) 9/3/26 62.4   7.8 1446 54.6   1.6 2327 55.9   2.6 99   0 82   34 7.7   0.1 19.8   3.5 0925 SSW | 196 0.15 0.22 0.036   0.057 140   145 -
Deer Park 9/3/26 66.7   9.2 1437 56.8   0.8 0628 56.3   2.9 95   1 65   28 3.3   0.8 15.8   0.3 1445 WSW | 238 0.04 0.04 0.035   0.057 92   135 20   10
Lower Chiles Valley (Brown) 9/3/26 68.0   5.8 1323 55.2   8.1 0208 56.0   3.5 93   2 70   29 2.4   0.3 17.2   1.7 1342 NW | 320 0.13 0.14 0.060   0.039 193   120 0   0
Moss Creek Vineyard/Reservior 9/3/26 67.1   9.2 1340 52.8   0.0 0132 56.2   3.7 93   1 72   33 - - - - 0.04 0.04 - - 0   0
Max   72.6 - 56.9 - 57.1 100 82 7.7 19.8 - - 0.53 0.82 0.072 202 -
Avg   - - - - 55.9 - - 3.9 - - - - - - - -
Min   57.8 - 48.4 - 53.8 90 54 2.4 14.8 - - 0.00 0.00 0.002 0 -

Northern & Central Napa County

27 Stations

Daily Data | America/Los_Angeles
as of 9/4/26 7:32 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 9/3/26 68.7   9.3 1449 55.4   1.0 0027 58.3   2.5 98   1 71   27 - - - - 0.06 0.09 - - 20   10
Diamond Mtn (Schramsberg) 9/3/26 69.7   3.3 1338 54.9   0.4 0026 57.0   3.2 100   0 60   17 - - - - 0.08 0.12 - - 20   10
Diamond Mtn (McEachran) 9/3/26 69.1   3.9 1339 56.0   0.6 0008 56.8   2.5 97   0 62   17 - - - - - - - - 0   0
St. Helena-North 9/3/26 72.6   4.8 1432 55.6   0.2 0059 55.8   3.4 100   1 54   21 1.3 9.6   5.5 1358 S | 171 0.10 0.11 0.054   0.052 173   156 0   0
St. Helena (NVV Office) 9/3/26 73.2   5.2 1442 57.4   1.6 0053 - - - 0.9 10.2   0.7 1434 W | 275 0.02 0.04 - - 20   10
Tiara Fria (East St. Helena) 9/3/26 70.4   6.8 1423 54.4   0.9 0055 56.8   3.0 93   1 63   24 1.9 13.2   0.4 1445 SW | 216 0.01 0.02 - - 20   10
Prisoner Winery 9/3/26 73.4   3.5 1453 53.0   0.3 0215 57.1   3.1 97   3 56   18 1.3 11.3   3.1 1406 SW | 221 0.02 0.06 0.009   0.069 0   222 0   0
Rutherford Hill Estate 9/3/26 69.5   8.4 1431 56.4   0.6 0043 56.8   2.4 95   4 67   29 1.4 14.7   2.4 1022 S | 179 0.03 0.07 0.041   0.049 122   170 20   10
Rutherford-North (Mee Ln) 9/3/26 73.4   3.5 1457 50.9   0.9 0225 56.0   2.3 95   2 60   20 2.4 15.6   0.9 0938 SE | 130 0.02 0.06 0.058   0.048 166   153 20   10
Rutherford (STS) 9/3/26 75.2   3.7 1442 51.2   0.7 0131 57.7   2.3 92   0 62   18 1.9 13.7   0.4 0959 E | 96 0.02 0.04 0.068   0.052 214   168 80   10
Oakville-NE (Ranch 88) 9/3/26 71.3   5.8 1429 49.9   1.7 0218 55.9   4.2 100   15 60   24 1.9 15.1   1.2 1028 SSE | 158 0.03 0.03 0.049   0.047 128   147 90   10
OV561-East 9/3/26 71.0   7.3 1432 54.2   0.8 0147 - - - - - - - - - - - 20   10
Oakville 9/3/26 71.1   5.5 1445 52.2   0.4 0205 56.8   3.6 95   5 62   23 3.1 15.2   0.8 1052 ESE | 113 0.03 0.03 0.058   0.059 160   200 60   10
OV518-West 9/3/26 70.6   4.4 1452 53.6   1.4 0200 - - - - - - - - - - - 60   10
To Kalon Remote (TKKE) 9/3/26 74.7   3.9 1453 54.8   1.2 0144 - - - - - - - - - - - 80   10
To Kalon 9/3/26 72.0   4.8 1444 55.7   2.1 0101 57.6   3.3 95   3 63   22 2.8 13.8   0.6 1018 SE | 137 0.00 0.00 0.063   0.052 182   161 50   10
To Kalon Remote (TKN5) 9/3/26 72.9   4.5 1445 56.6   3.0 0049 - - - - - - - - - - - 80   10
Yountville (Ranch 67) 9/3/26 68.4   7.7 1519 54.6   3.4 0153 56.3   3.9 94   5 68   29 2.9 12.9   3.1 0935 SE | 124 0.04 0.04 0.060   0.057 205   201 60   10
Stags Leap Dist (Silverado Vineyards) 9/3/26 68.0   8.2 1522 55.4   3.3 0119 56.8   3.4 94   4 69   30 2.4 13.7   0.3 0921 SSE | 163 0.03 0.07 0.046   0.046 126   170 70   10
Borreo (Soda Canyon) 9/3/26 63.9   10.3 1409 53.6   2.8 0127 56.5   3.6 96   2 80   39 1.3 11.0   0.6 1156 SSE | 164 0.25 0.31 0.029   0.056 89   192 70   10
Wappo Hill Floor 9/3/26 69.2   7.3 1332 54.8   2.7 0018 57.9   3.7 100   0 72   32 2.4 12.0   0.7 1655 NW | 322 0.04 0.09 0.038   0.060 101   191 80   10
Stags Leap Dist (Chimney Rock) 9/3/26 68.7   8.4 1328 55.2   2.8 0224 59.0   3.2 98   4 78   33 2.1 11.2   3.1 1017 SSW | 192 0.08 0.10 0.033   0.054 92   174 80   10
Yountville-South (Ranch 87) 9/3/26 69.3   7.0 1330 53.9   1.5 0315 58.7   4.0 100   1 70   29 1.6 11.6   1.2 1109 SSE | 164 0.04 0.09 0.042   0.066 122   223 90   10
Yountville-SE (Ranch 85) 9/3/26 68.6   8.7 1324 54.5   1.6 0223 58.6   4.0 100   5 74   35 1.8 9.6   3.9 1735 NNE | 31 0.06 0.07 - 0   0 60   10
Oak Knoll-East (Ranch 53) 9/3/26 68.9   9.3 1315 52.2   0.9 0228 57.6   4.0 95   5 71   35 1.7 13.1   1.8 1221 S | 177 0.14 0.15 0.044   0.065 126   219 90   10
Napa-NW (Ranch 54) 9/3/26 71.1   8.4 1254 52.3   0.5 0239 58.2   4.4 100   10 68   32 0.8 9.1   1.5 1359 SW | 229 0.16 0.18 - 0   0 90   10
Napa-North (Ranch 29) 9/3/26 67.2   8.4 1305 54.4   1.9 0103 59.7   3.8 100   0 76   32 1.7 13.0   1.5 1052 SSE | 167 0.08 0.10 0.026   0.044 68   138 80   10
Max   75.2 - 57.4 - 59.7 100 80 3.1 15.6 - - 0.25 0.31 0.068 214 -
Avg   - - - - 57.4 - - 1.9 - - - - - - - -
Min   63.9 - 49.9 - 55.8 92 54 0.8 9.1 - - 0.00 0.00 0.009 0 -

Southern Napa County

22 Stations

Daily Data | America/Los_Angeles
as of 9/4/26 7:32 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 9/3/26 61.5   6.7 1406 53.2   0.2 0041 56.2   2.9 100   0 90   37 2.0 13.9   2.4 0943 SSE | 150 0.33 0.44 0.064   0.035 328   107 60   10
Mount George (Napa East) 9/3/26 76.0   1.8 0638 51.5   0.3 0135 57.9   3.5 98   3 76   31 1.3 11.3   0.7 1041 WSW | 247 0.11 0.15 0.038   0.059 113   205 30   10
Napa-East (Palmaz 300') 9/3/26 67.2   10.9 1306 53.5   0.5 0142 58.3   3.4 100   6 74   33 0.7 12.3   1.6 1021 WSW | 243 0.11 0.15 0.029   0.059 87   209 90   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') 9/3/26 60.1   9.6 1347 53.4   0.3 0101 56.8   2.1 100   0 99   43 3.0 15.5   0.0 1204 SW | 218 0.20 0.33 0.019   0.067 82   241 40   10
Wooden Valley 9/3/26 67.5   5.5 1313 56.3   5.5 0043 55.7   3.6 93   1 69   25 2.3 16.5   2.0 1635 SSW | 202 0.03 0.04 0.059   0.065 202   208 20   10
Napa-West Upper (Truchard) 9/3/26 68.4   9.8 1352 54.8   0.5 0222 17.7   25.8 100   0 0   0 3.2 17.6   1.8 0950 SSW | 196 0.06 0.09 0.061   0.056 135   195 80   10
Napa-West Lower (Truchard) 9/3/26 68.5   10.1 1253 49.0   0.5 0158 56.7   3.5 93   0 72   35 - - - - - - - - 90   10
Napa-South (Toyon Farms) 9/3/26 67.8   9.2 1251 55.1   0.0 0115 59.7   2.4 100   1 79   32 3.4 17.3   0.3 1127 SSE | 164 0.05 0.07 0.023   0.049 80   132 60   10
Toyon Remote 1 9/3/26 68.7   9.8 1252 50.5   0.2 0127 - - - - - - - - - - - -
Toyon Remote 2 9/3/26 68.4   8.4 1251 50.9   0.2 0111 - - - - - - - - - - - -
Toyon Remote 3 9/3/26 69.2   11.1 1458 50.3   0.1 0203 - - - - - - - - - - - -
Dealy Lane (Ranch 80) 9/3/26 69.5   7.2 1251 51.5   0.5 0148 57.7   3.2 95   2 69   29 1.8 12.5   1.0 1132 S | 188 0.06 0.08 0.047   0.056 146   188 80   10
Carneros (Saintsbury) 9/3/26 66.2   9.6 1233 50.5   0.6 0059 55.6   1.5 100   0 74   32 4.1 18.6   0.2 1109 S | 174 0.07 0.07 - - 50   10
Suscol Lower (Ranch 35) 9/3/26 68.4   7.7 1254 53.9   0.2 0104 58.2   3.6 100   8 70   26 4.9 19.9   3.6 1508 SSW | 209 0.13 0.14 0.052   0.073 127   242 40   10
Suscol Mtn (Ranch 93) 9/3/26 62.6   12.1 1353 55.3   0.1 0104 57.3   2.5 100   1 83   36 6.9 22.9   1.0 1144 WNW | 288 0.22 0.32 - - 40   10
Suscol Upper (Ranch 92) 9/3/26 63.3   11.3 1354 55.8   0.3 0158 -16.9   65.4 100   0 0   0 4.2 21.8   3.4 1113 SW | 230 0.10 0.15 - - 10   10
Stanly (Ranch 45) 9/3/26 67.6   7.3 1311 54.4   3.9 0218 56.3   1.9 95   2 72   29 4.5 20.3   2.9 1123 WNW | 286 0.14 0.14 0.060   0.082 174   274 80   10
Carneros Upper (Ranch 81) 9/3/26 67.4   8.6 1246 57.1   0.5 0116 43.5   11.0 - - 6.0 23.3   1.4 1053 SW | 224 - - - - 30   10
Carneros (Mitsuko) 9/3/26 67.7   9.5 1335 51.8   2.6 0111 - - - - - - - - - - - 80   10
Carneros Lower (Ranch 81) 9/3/26 68.4   11.8 1311 53.7   1.7 0133 31.1   24.3 100   0 0   0 1.1 14.2   2.8 1012 SSW | 192 0.00 0.00 0.007   0.003 2   1 60   10
Carneros (Milton Rd) 9/3/26 67.6   7.5 1106 52.1   1.1 0154 58.0   3.1 93   2 71   28 - - - - 0.00 0.00 - - 80   10
Max   76.0 - 57.1 - 59.7 100 99 6.9 23.3 - - 0.33 0.44 0.064 328 -
Avg   - - - - 48.2 - - 3.3 - - - - - - - -
Min   60.1 - 49.0 - -16.9 93 0 0.7 11.3 - - 0.00 0.00 0.007 2 -