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Latest Observation

13 Stations

Daily Data | America/Los_Angeles
as of 5/28/26 6:08 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 5/27/26 65.7   0.5 1349 36.9   0.4 0600 - - - - - - - 0.04 50.13 - - 50   10
Pope Valley (Weeks Lake) 5/27/26 72.5   0.6 1133 38.5   3.9 0550 47.0   3.6 100   0 32   6 1.4   1.1 10.7   5.3 1049 SE | 132 0.17 26.42 0.094   0.029 318   82 70   10
Dollarhide Base 5/27/26 75.1   1.0 1201 43.3   4.3 0552 49.8   2.8 100   2 36   3 2.5   1.4 17.5   6.3 1512 NNE | 27 0.22 23.39 0.123   0.018 417   54 70   10
Dollarhide 1AS Remote 5/27/26 74.5   0.7 1215 39.4   3.1 0523 48.5   2.3 95   1 37   5 1.6   1.2 13.2   5.2 1158 S | 172 - - - - 70   10
Dollarhide 16A Remote 5/27/26 73.3   0.4 1155 42.8   2.7 0523 49.4   2.6 100   2 39   5 - - - - - - - - 70   10
Dollarhide 18A Remote 5/27/26 72.7   0.4 1156 37.6   4.2 0522 48.1   2.6 100   1 37   2 - - - - - - - - 70   10
Hardin Rd (Eakle) 5/27/26 72.8   1.8 1200 41.1   5.1 0556 - - - - - - - - - - - 70   10
Angwin 5/27/26 62.2   0.7 1158 44.0   1.1 0511 42.5   0.8 94   6 44   4 3.4   0.6 12.1   6.0 1352 SSE | 148 0.47 45.85 0.025   0.005 0   0 50   10
Lower Angwin (Pioneer) 5/27/26 64.9   2.7 1210 38.6   1.8 0615 - - - 1.8   0.6 9.9   5.3 2014 SW | 224 - - - - 50   10
Las Posadas (Cal Fire) 5/27/26 66.8   0.3 1230 43.5   1.6 0450 46.6   1.9 96   1 44   6 4.0   2.1 15.3   9.5 1411 SW | 215 0.34 35.10 0.116   0.022 406   80 -
Deer Park 5/27/26 73.1   2.0 1247 47.0   2.3 0559 47.5   2.8 92   4 36   4 3.1   1.6 14.6   11.8 1306 WSW | 237 0.17 29.09 0.112   0.017 347   24 50   10
Lower Chiles Valley (Brown) 5/27/26 71.0   0.1 1252 37.5   5.5 0541 47.2   2.4 100   0 38   8 1.7   1.5 13.7   3.8 1350 NE | 37 0.11 26.09 0.110   0.022 398   66 50   10
Moss Creek Vineyard/Reservior 5/27/26 74.8   4.1 1310 42.1   4.4 0559 46.6   1.5 100   3 30   1 - - - - 0.00 27.07 - - 40   10
Max   75.1 - 47.0 - 49.8 100 44 4.0 17.5 - - 0.47 50.13 0.123 417 -
Avg   - - - - 47.3 - - 2.4 - - - - - - - -
Min   62.2 - 36.9 - 42.5 92 30 1.4 9.9 - - 0.00 23.39 0.025 0 -

Northern & Central Napa County

26 Stations

Daily Data | America/Los_Angeles
as of 5/28/26 6:08 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 5/25/26 55.0   18.5 0908 50.5   1.6 0548 48.1   3.9 96   1 81   29 - - - - 0.00 32.79 - - 30   10
Diamond Mtn (Schramsberg) 5/27/26 71.4   1.6 1410 45.0   2.6 0516 45.8   2.2 92   6 37   5 - - - - 0.02 31.22 - - 50   10
Diamond Mtn (McEachran) 5/27/26 73.2   3.5 1411 45.9   2.5 0601 46.9   3.4 91   8 35   2 - - - - - - - - 40   10
St. Helena-North 5/27/26 73.5   1.8 1248 43.9   3.0 0614 47.0   3.8 91   6 33   8 2.1 12.7   3.3 1500 S | 191 0.12 31.21 0.107   0.044 334   145 40   10
St. Helena (NVV Office) 5/27/26 77.1   0.8 1321 46.1   4.1 0541 - - - 1.1 10.6   5.5 1456 ENE | 72 0.38 28.87 - - 60   10
Tiara Fria (East St. Helena) 5/27/26 73.5   0.5 1322 44.4   5.0 0533 48.4   3.0 96   5 35   6 2.2 13.3   6.9 1506 E | 90 0.29 26.75 - - 60   10
Rutherford Hill Estate 5/27/26 76.9   0.4 1324 45.8   3.2 0551 48.6   2.5 97   8 32   3 1.6 14.0   7.0 0021 SSW | 198 0.09 25.13 0.124   0.012 423   17 70   10
Rutherford-North (Mee Ln) 5/27/26 74.8   0.7 1339 39.6   5.5 0615 47.1   1.6 96   1 35   6 2.7 14.2   9.4 2359 SSE | 158 0.02 24.55 0.128   0.025 412   77 40   10
Rutherford (STS) 5/27/26 74.6   0.1 1236 41.1   2.7 0533 48.8   1.2 92   1 40   7 2.2 13.5   7.2 0031 ESE | 107 0.00 25.83 0.135   0.022 464   59 70   10
Oakville-NE (Ranch 88) 5/27/26 73.7   0.4 1404 41.0   5.0 0604 47.8   3.4 100   6 33   7 1.9 12.6   9.8 0009 SSE | 158 0.10 25.07 0.129   0.017 439   32 90   10
OV561-East 5/27/26 71.3   3.2 1257 44.4   4.0 0556 - - - - - - - - - - - 60   10
Oakville 5/27/26 72.1   1.5 1252 43.5   3.2 0601 48.3   2.8 97   2 36   9 2.8 12.6   8.6 0040 SE | 124 0.19 25.86 0.138   0.033 487   88 40   10
OV518-West 5/27/26 72.2   0.0 1241 43.8   3.1 0612 - - - - - - - - - - - 40   10
To Kalon Remote (TKKE) 5/27/26 74.1   0.4 1233 41.6   4.5 0553 - - - - - - - - - - - 60   10
To Kalon 5/27/26 71.4   2.6 1418 43.1   3.2 0537 47.7   1.6 98   3 38   7 2.9 12.4   6.7 1246 SSE | 153 0.00 27.73 0.132   0.023 444   65 40   10
To Kalon Remote (TKN5) 5/27/26 73.6   0.4 1213 43.0   4.0 0602 - - - - - - - - - - - 60   10
Yountville (Ranch 67) 5/27/26 71.1   1.6 1415 43.5   1.8 0549 47.4   2.8 97   2 37   9 2.7 13.8   10.1 2329 SE | 130 0.02 23.76 0.150   0.025 554   67 40   10
Stags Leap Dist (Silverado Vineyards) 5/27/26 72.2   0.8 1410 43.6   1.9 0614 47.7   2.4 96   2 37   8 1.8 13.0   3.2 1125 S | 170 0.02 27.77 0.146   0.014 526   35 20   10
Borreo (Soda Canyon) 5/27/26 70.7   1.1 1332 40.6   3.3 0542 45.4   1.4 98   3 36   5 2.0 15.3   0.2 1502 ENE | 75 0.00 27.54 0.147   0.011 525   56 20   10
Wappo Hill Floor 5/27/26 73.2   1.5 1437 41.1   4.1 0620 47.9   1.9 100   0 37   9 2.7 16.7   8.1 1501 ENE | 60 0.00 26.84 0.148   0.009 503   14 70   10
Stags Leap Dist (Chimney Rock) 5/27/26 73.8   0.9 1427 41.8   3.4 0608 49.1   1.4 100   3 44   10 2.7 20.5   0.9 1459 NE | 41 0.00 26.21 0.138   0.005 465   8 10   10
Yountville-South (Ranch 87) 5/27/26 73.2   0.3 1335 43.7   2.7 0555 49.1   2.1 100   0 40   11 1.8 12.1   2.2 1513 E | 100 0.00 27.46 0.148   0.008 524   8 70   10
Yountville-SE (Ranch 85) 5/27/26 74.8   1.5 1339 44.2   3.5 0611 48.7   1.8 100   3 39   9 2.3 16.8   2.0 1507 E | 80 0.00 25.79 - 0   0 40   10
Oak Knoll-East (Ranch 53) 5/27/26 73.3   0.6 1350 43.8   4.6 0558 48.3   2.1 95   2 37   11 1.9 13.7   4.2 1513 E | 99 0.11 24.45 0.149   0.001 526   27 70   10
Napa-NW (Ranch 54) 5/27/26 77.6   4.0 1344 44.6   4.1 0623 48.1   2.0 92   2 32   4 0.9 9.7   18.8 1500 SSW | 209 0.08 26.85 - 0   0 70   10
Napa-North (Ranch 29) 5/27/26 72.0   0.8 1420 45.1   3.4 0619 49.0   1.0 100   0 39   7 1.7 11.1   5.2 1447 SSE | 164 0.03 25.31 0.092   0.006 279   46 10   10
Max   77.6 - 46.1 - 49.1 100 44 2.9 20.5 - - 0.38 31.22 0.150 554 -
Avg   - - - - 47.9 - - 2.1 - - - - - - - -
Min   70.7 - 39.6 - 45.4 91 32 0.9 9.7 - - 0.00 23.76 0.092 0 -

Southern Napa County

22 Stations

Daily Data | America/Los_Angeles
as of 5/28/26 6:08 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 5/27/26 65.4   2.5 1255 48.4   1.7 0059 45.7   2.5 94   2 49   14 1.7 13.0   5.5 1308 SE | 145 0.11 34.30 0.099   0.039 367   122 40   10
Mount George (Napa East) 5/27/26 70.5   0.5 1405 44.3   2.2 0601 47.4   0.7 98   2 40   7 1.6 18.0   0.9 1523 N | 6 0.00 17.08 0.152   0.026 550   121 10   10
Napa-East (Palmaz 300') 5/27/26 75.4   1.5 1417 44.7   3.2 0551 48.1   0.6 100   5 35   6 1.8 12.4   5.0 1322 WSW | 239 0.00 23.34 0.129   0.014 420   61 10   10
Napa-East (Palmaz 1200') 5/20/26 83.1   2.3 1549 49.6   2.8 0543 44.2   13.7 74   19 19   10 2.5 11.6   2.3 1413 NNW | 333 - - 0.212   0.024 676   30 100   10
Napa-East (Palmaz 1400') 5/27/26 68.8   0.7 1425 42.1   1.4 0545 47.3   0.8 100   0 45   7 2.5 13.2   4.8 1516 NE | 38 0.01 30.85 0.141   0.013 530   57 40   10
Wooden Valley 5/27/26 69.5   1.7 1418 41.9   1.4 0304 47.3   2.3 98   1 42   4 2.4 14.0   4.5 1510 NW | 320 0.07 29.33 0.130   0.016 481   72 50   10
Napa-West Upper (Truchard) 5/27/26 75.0   2.6 1433 46.0   2.5 0539 25.1   23.1 100   0 0   0 3.3 15.1   9.8 1428 SSE | 157 0.00 24.45 0.168   0.011 557   47 10   10
Napa-West Lower (Truchard) 5/27/26 76.5   0.5 1409 40.7   4.3 0602 47.1   0.2 100   6 35   6 - - - - - - - - 30   10
Napa-South (Toyon Farms) 5/27/26 74.2   1.7 1419 47.0   2.3 0556 50.4   0.4 100   1 45   5 2.6 14.0   5.4 1439 SSE | 160 0.00 18.45 0.086   0.010 273   39 30   10
Toyon Remote 1 5/27/26 74.8   3.6 1808 41.4   4.7 0613 - - - - - - - - - - - -
Toyon Remote 2 5/27/26 73.0   0.3 1429 43.2   4.3 0622 - - - - - - - - - - - -
Toyon Remote 3 5/27/26 75.0   2.8 1759 43.3   4.3 0603 - - - - - - - - - - - -
Dealy Lane (Ranch 80) 5/27/26 73.0   1.3 1426 44.8   4.6 0531 46.8   0.3 94   5 37   2 2.8 14.8   5.7 1422 S | 170 0.00 23.59 0.171   0.008 593   18 30   10
Carneros (Saintsbury) 5/27/26 72.8   0.7 1710 43.9   3.6 0611 47.4   0.3 100   8 39   6 4.3 15.6   8.8 1429 S | 171 0.00 8.71 - - 40   10
Suscol Lower (Ranch 35) 5/27/26 73.4   0.2 1425 44.5   1.9 0532 47.2   0.6 - - 4.3 14.8   15.1 1431 SSW | 196 0.00 22.90 0.165   0.010 532   54 40   10
Suscol Mtn (Ranch 93) 5/27/26 77.5   6.2 1439 46.9   0.5 0600 47.7   1.4 95   4 35   5 4.8 19.4   13.0 1901 NW | 313 0.00 18.65 - - 10   10
Suscol Upper (Ranch 92) 5/27/26 71.5   3.7 1434 46.8   1.2 0640 47.0   19.0 95   5 35   32 3.4 16.9   12.3 1304 WSW | 251 0.00 22.38 - - 40   10
Stanly (Ranch 45) 5/27/26 74.9   1.0 1428 43.9   3.4 0554 47.5   0.6 96   4 36   5 5.0 15.2   9.7 1842 WSW | 256 0.00 22.49 0.197   0.004 651   1 30   10
Carneros Upper (Ranch 81) 5/27/26 73.5   4.0 1424 47.8   1.7 0538 46.9   0.9 - - 5.3 25.1   7.3 1530 W | 263 - - - - 40   10
Carneros (Mitsuko) 5/27/26 73.4   1.2 1420 40.6   3.1 0547 - - - - - - - - - - - 40   10
Carneros Lower (Ranch 81) 5/27/26 74.0   1.1 1400 43.8   5.0 0614 47.7   0.1 100   7 0   36 1.8 12.6   1.7 1419 S | 169 0.00 19.42 0.151   0.013 518   50 40   10
Carneros (Milton Rd) 5/27/26 73.4   0.7 1707 40.9   3.8 0605 47.0   0.2 95   4 37   4 - - - - 0.00 18.07 - - 40   10
Max   77.5 - 48.4 - 50.4 100 49 5.3 25.1 - - 0.11 34.30 0.197 651 -
Avg   - - - - 46.1 - - 3.2 - - - - - - - -
Min   65.4 - 40.6 - 25.1 94 0 1.6 12.4 - - 0.00 8.71 0.086 273 -