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Latest Observation

13 Stations

Daily Data | America/Los_Angeles
as of 5/27/26 5:34 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 5/26/26 65.1   3.3 1345 36.5   5.5 0618 - - - - - - - 0.00 50.09 - - 60   10
Pope Valley (Weeks Lake) 5/26/26 71.9   1.4 1307 42.4   0.0 0511 43.4   2.9 100   0 26   16 2.5   1.1 16.0   2.4 1551 ENE | 76 0.01 26.25 0.123   0.049 400   208 80   10
Dollarhide Base 5/26/26 74.2   3.4 1232 47.6   2.9 0537 47.0   2.9 98   3 33   19 3.9   3.6 23.8   1.0 1553 NNE | 24 0.03 23.17 0.141   0.050 470   230 80   10
Dollarhide 1AS Remote 5/26/26 75.2   4.7 1241 42.6   8.0 0555 46.2   3.2 94   2 32   19 2.8   3.7 18.3   3.6 1602 N | 11 - - - - 80   10
Dollarhide 16A Remote 5/26/26 73.7   4.2 1456 45.5   4.0 0545 46.7   2.9 98   2 33   20 - - - - - - - - 80   10
Dollarhide 18A Remote 5/26/26 72.3   3.6 1532 41.8   8.6 0616 45.5   3.3 99   7 35   18 - - - - - - - - 80   10
Hardin Rd (Eakle) 5/26/26 71.0   0.3 1224 46.2   4.9 0633 - - - - - - - - - - - 80   10
Angwin 5/26/26 62.9   4.3 1440 42.8   1.7 0605 41.7   4.0 100   0 39   21 2.9   1.3 18.0   1.8 1605 N | 350 0.26 45.38 0.020   0.005 0   0 60   10
Lower Angwin (Pioneer) 5/26/26 67.5   6.4 1458 40.4   5.2 0625 - - - 2.4   2.1 15.2   2.5 0251 W | 268 - - - - 60   10
Las Posadas (Cal Fire) 5/26/26 67.1   3.3 1450 45.1   1.8 2358 44.8   2.1 97   0 37   20 6.0   4.7 24.8   3.0 1451 SW | 234 0.26 34.76 0.138   0.013 486   6 -
Deer Park 5/26/26 71.1   5.7 1531 49.3   0.3 0701 44.7   2.9 88   8 32   21 4.6   1.2 26.4   7.3 1629 NE | 42 0.20 28.92 0.129   0.017 370   18 60   10
Lower Chiles Valley (Brown) 5/26/26 70.9   5.0 1349 43.0   6.6 0005 44.8   2.5 100   7 30   23 3.2   2.1 17.5   3.4 1622 NNE | 19 0.09 25.98 0.132   0.024 464   121 60   10
Moss Creek Vineyard/Reservior 5/26/26 70.7   0.5 1248 46.5   3.5 0039 45.1   1.7 97   3 29   15 - - - - 0.02 27.07 - - 50   10
Max   75.2 - 49.3 - 47.0 100 39 6.0 26.4 - - 0.26 50.09 0.141 486 -
Avg   - - - - 45.0 - - 3.5 - - - - - - - -
Min   62.9 - 36.5 - 41.7 88 26 2.4 15.2 - - 0.00 23.17 0.020 0 -

Northern & Central Napa County

26 Stations

Daily Data | America/Los_Angeles
as of 5/27/26 5:34 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) 5/26/26 73.0   8.3 1513 47.6   1.3 0556 43.6   3.8 86   14 31   24 - - - - 0.00 31.20 - - 60   10
Diamond Mtn (McEachran) 5/26/26 69.7   7.3 1439 48.4   1.3 0042 43.5   3.9 84   10 33   25 - - - - - - - - 50   10
St. Helena-North 5/26/26 75.2   6.4 1517 47.0   5.0 0059 43.3   2.8 85   3 25   20 1.9 16.0   1.5 1536 WNW | 287 0.06 31.09 0.151   0.014 479   21 50   10
St. Helena (NVV Office) 5/26/26 76.3   8.0 1442 50.2   2.1 0059 - - - 1.8 16.0   2.6 1628 NNW | 330 0.02 28.49 - - 70   10
Tiara Fria (East St. Helena) 5/26/26 73.0   5.0 1532 49.5   3.3 0616 45.4   2.2 91   8 29   21 3.2 20.2   1.9 1642 NNE | 30 0.02 26.46 - - 70   10
Rutherford Hill Estate 5/26/26 76.5   5.7 1414 49.0   2.6 0055 46.1   2.0 90   2 29   17 2.0 21.0   0.4 1625 NNW | 344 0.04 25.04 0.136   0.010 440   48 80   10
Rutherford-North (Mee Ln) 5/26/26 74.1   5.8 1503 45.1   8.0 0038 45.5   2.5 95   12 29   21 3.1 23.7   5.0 1636 ENE | 61 0.01 24.53 0.153   0.003 489   44 50   10
Rutherford (STS) 5/26/26 74.4   6.0 1459 43.8   9.2 0058 47.6   2.5 93   5 33   23 3.0 20.7   0.4 1629 NNW | 332 0.01 25.83 0.157   0.012 522   94 80   10
Oakville-NE (Ranch 88) 5/26/26 74.1   5.2 1357 46.1   7.0 0038 44.4   2.1 94   16 26   19 2.2 22.4   5.3 1633 ENE | 76 0.05 24.97 0.146   0.014 471   65 100   0
OV561-East 5/26/26 74.5   7.0 1428 48.4   4.4 0622 - - - - - - - - - - - 70   10
Oakville 5/26/26 73.6   7.9 1516 46.7   5.8 0618 45.5   1.7 95   12 27   26 3.2 21.2   0.7 1639 NNE | 24 0.16 25.67 0.171   0.003 575   53 50   10
OV518-West 5/26/26 72.1   7.5 1412 46.9   5.8 0621 - - - - - - - - - - - 50   10
To Kalon Remote (TKKE) 5/26/26 74.5   7.1 1401 46.1   6.8 0040 - - - - - - - - - - - 70   10
To Kalon 5/26/26 74.0   8.9 1518 46.3   5.6 0056 46.1   2.0 95   8 30   26 2.7 19.2   0.7 1639 N | 354 0.03 27.73 0.155   0.001 509   45 50   10
To Kalon Remote (TKN5) 5/26/26 74.0   7.2 1519 47.0   5.5 0101 - - - - - - - - - - - 70   10
Yountville (Ranch 67) 5/26/26 72.7   5.8 1447 45.2   7.0 0621 44.6   1.5 95   14 28   20 2.9 23.9   5.2 1639 N | 1 0.12 23.74 0.175   0.007 621   58 50   10
Stags Leap Dist (Silverado Vineyards) 5/26/26 73.0   4.0 1544 45.5   6.6 0630 45.3   1.7 94   12 29   17 1.7 16.2   4.5 1650 N | 8 0.13 27.75 0.160   0.010 561   63 30   10
Borreo (Soda Canyon) 5/26/26 69.6   2.2 1426 43.9   6.2 0058 44.0   2.4 96   7 31   17 2.0 15.2   1.2 1644 NNE | 23 0.02 27.54 0.136   0.021 470   113 30   10
Wappo Hill Floor 5/26/26 74.7   5.0 1515 45.3   7.4 0101 46.0   1.5 100   16 28   20 3.0 24.8   7.1 1645 NNE | 21 0.09 26.84 0.157   0.014 518   80 80   10
Stags Leap Dist (Chimney Rock) 5/26/26 74.8   4.5 1526 45.2   8.1 0606 47.7   1.8 97   11 34   18 2.7 21.5   6.6 1621 NNW | 347 0.07 26.21 0.143   0.011 474   57 20   10
Yountville-South (Ranch 87) 5/26/26 72.8   3.8 1549 46.4   6.5 0614 47.0   1.2 100   15 30   19 2.0 14.2   1.1 1546 NW | 310 0.07 27.46 0.156   0.000 533   8 80   10
Yountville-SE (Ranch 85) 5/26/26 73.2   3.3 1506 47.7   5.0 0607 46.9   1.4 97   11 30   17 2.8 18.7   3.5 1601 NW | 325 0.10 25.79 - 0   0 50   10
Oak Knoll-East (Ranch 53) 5/26/26 73.9   5.3 1332 48.4   4.3 0539 46.2   0.9 93   12 26   19 2.1 17.9   1.0 1652 NNE | 17 0.04 24.34 0.148   0.017 499   61 80   10
Napa-NW (Ranch 54) 5/26/26 73.7   4.3 1640 48.7   4.3 0059 46.1   1.4 90   8 28   17 1.8 28.5   13.9 1651 W | 265 0.00 26.77 - 0   0 80   10
Napa-North (Ranch 29) 5/26/26 71.3   4.0 1249 48.6   3.6 0056 47.9   0.2 100   16 32   17 2.0 16.3   1.0 1600 S | 186 0.10 25.28 0.086   0.041 233   151 20   10
Max   76.5 - 50.2 - 47.9 100 34 3.2 28.5 - - 0.16 31.20 0.175 621 -
Avg   - - - - 45.6 - - 2.4 - - - - - - - -
Min   69.6 - 43.8 - 43.3 84 25 1.7 14.2 - - 0.00 23.74 0.086 0 -

Southern Napa County

22 Stations

Daily Data | America/Los_Angeles
as of 5/27/26 5:34 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 5/26/26 67.9   6.5 1436 46.7   0.2 0605 43.2   3.5 92   8 35   25 2.2 18.5   5.4 1648 N | 350 0.00 34.19 0.138   0.016 490   10 50   10
Mount George (Napa East) 5/26/26 70.0   4.7 1328 46.6   5.7 0052 46.7   1.1 96   10 33   20 2.1 19.0   1.3 1606 SW | 216 0.04 17.08 0.126   0.025 429   112 20   10
Napa-East (Palmaz 300') 5/26/26 73.9   5.2 1338 48.0   3.0 0042 47.5   0.3 95   8 29   17 2.3 17.3   0.2 1726 E | 90 0.05 23.34 0.115   0.030 360   108 20   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') 5/26/26 68.1   6.9 1247 43.5   2.0 0037 46.4   0.8 100   0 37   24 2.8 18.0   4.7 1654 NE | 49 0.04 30.84 0.128   0.004 473   26 50   10
Wooden Valley 5/26/26 67.9   3.4 1455 43.3   5.2 0040 45.0   1.6 97   6 38   15 2.8 18.6   3.9 0155 NNW | 337 0.15 29.26 0.114   0.045 409   206 60   10
Napa-West Upper (Truchard) 5/26/26 72.4   5.8 1305 48.5   1.8 0639 48.2   0.6 100   0 0   52 4.4 24.9   2.6 1701 NW | 318 0.04 24.45 0.179   0.033 604   111 20   10
Napa-West Lower (Truchard) 5/26/26 76.0   6.6 1301 44.9   6.1 0059 46.9   1.2 94   5 29   17 - - - - - - - - 40   10
Napa-South (Toyon Farms) 5/26/26 72.5   5.6 1416 49.3   2.1 0036 50.0   0.1 99   8 41   16 3.0 19.4   2.4 1607 SSW | 212 0.11 18.45 0.096   0.019 311   60 40   10
Toyon Remote 1 5/26/26 78.3   6.8 1421 46.1   5.4 2225 - - - - - - - - - - - -
Toyon Remote 2 5/26/26 72.8   5.6 1300 47.5   4.7 0623 - - - - - - - - - - - -
Toyon Remote 3 5/26/26 77.8   6.7 1423 47.6   4.4 0100 - - - - - - - - - - - -
Dealy Lane (Ranch 80) 5/26/26 71.7   5.5 1402 49.4   1.8 0059 46.4   1.2 90   4 34   14 3.3 20.5   1.2 1533 WSW | 238 0.01 23.59 0.179   0.049 612   167 40   10
Carneros (Saintsbury) 5/26/26 72.1   5.7 1332 47.5   3.0 0059 47.1   1.0 92   4 33   16 5.9 24.5   2.3 1643 SW | 232 0.03 8.71 - - 50   10
Suscol Lower (Ranch 35) 5/26/26 73.6   6.2 1406 46.5   4.4 0045 46.6   1.0 - - 5.2 30.0   10.0 1330 WSW | 238 0.06 22.90 0.155   0.035 478   133 50   10
Suscol Mtn (Ranch 93) 5/26/26 71.3   6.3 1215 47.4   0.4 0644 46.3   0.7 99   1 39   17 8.8 32.4   2.0 1713 WNW | 282 0.05 18.65 - - 20   10
Suscol Upper (Ranch 92) 5/26/26 67.8   5.1 1332 48.0   0.2 0708 28.1   3.3 100   0 3   0 6.1 29.2   2.5 1715 NW | 311 0.03 22.38 - - 50   10
Stanly (Ranch 45) 5/25/26 68.8   7.4 1309 51.2   1.8 0624 47.8   2.4 86   0 46   4 8.6 20.6   2.2 1701 W | 275 0.00 22.49 0.138   0.046 398   195 50   10
Carneros Upper (Ranch 81) 5/26/26 69.5   5.7 1402 49.5   0.3 0059 46.0   1.7 - - 10.2 32.4   5.8 1619 WSW | 249 - - - - 50   10
Carneros (Mitsuko) 5/26/26 72.2   4.9 1335 43.7   7.5 0051 - - - - - - - - - - - 50   10
Carneros Lower (Ranch 81) 5/26/26 75.1   5.7 1500 48.7   2.3 0101 47.5   1.6 93   4 36   11 1.7 14.3   1.8 0810 NNW | 328 0.00 19.42 0.164   0.067 569   239 50   10
Carneros (Milton Rd) 5/26/26 72.7   5.9 1417 44.7   6.9 0054 46.8   1.4 91   3 33   17 - - - - 0.00 18.07 - - 50   10
Max   78.3 - 49.5 - 50.0 100 41 10.2 32.4 - - 0.15 34.19 0.179 612 -
Avg   - - - - 45.5 - - 4.3 - - - - - - - -
Min   67.8 - 43.3 - 28.1 90 0 1.7 14.3 - - 0.00 8.71 0.096 311 -