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Latest Observation

13 Stations

Daily Data | America/Los_Angeles
as of 5/24/26 3:21 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 5/23/26 71.5   11.8 1416 43.4   6.2 0455 - - - - - - - 0.00 50.09 - - 90   10
Pope Valley (Weeks Lake) 5/23/26 78.0   10.1 1601 44.6   0.5 0552 49.3   1.2 100   0 36   14 2.6   0.4 14.2   1.1 1359 ESE | 113 0.00 26.24 0.184   0.031 606   14 80   20
Dollarhide Base 5/23/26 79.7   9.3 1510 50.7   1.0 0532 53.1   0.7 95   4 46   14 5.6   1.6 19.0   1.2 1650 SW | 225 0.00 23.14 0.215   0.038 701   10 80   20
Dollarhide 1AS Remote 5/23/26 80.5   8.2 1512 51.0   5.2 0501 52.4   1.1 92   1 43   11 5.4   2.2 17.5   1.8 1604 SW | 229 - - - - 80   20
Dollarhide 16A Remote 5/23/26 78.6   9.1 1611 50.9   0.4 0545 52.9   1.1 95   2 47   13 - - - - - - - - 80   20
Dollarhide 18A Remote 5/23/26 78.0   10.3 1600 50.4   7.3 0538 52.0   1.9 92   3 46   15 - - - - - - - - 80   20
Hardin Rd (Eakle) 5/23/26 79.8   8.2 1525 51.8   3.4 0503 - - - - - - - - - - - 80   20
Angwin 5/23/26 68.2   9.4 1442 45.9   10.9 0532 47.7   3.9 100   28 51   30 2.5   0.3 14.3   1.3 1657 SE | 138 0.00 45.12 0.024   0.029 0   0 90   10
Lower Angwin (Pioneer) 5/23/26 71.4   8.0 1515 47.0   2.2 2340 - - - 3.7   1.1 16.2   2.3 1604 WNW | 291 - - - - 90   10
Las Posadas (Cal Fire) 5/23/26 72.9   7.5 1528 48.4   0.2 0527 50.0   0.0 98   2 49   9 8.8   0.5 23.9   2.4 0033 SW | 231 0.00 34.50 0.167   0.056 578   38 -
Deer Park 5/23/26 75.4   8.0 1506 50.8   0.1 0440 50.7   0.5 94   2 45   8 5.8   1.7 15.4   0.2 1743 NW | 320 0.00 28.72 0.138   0.027 415   48 90   10
Lower Chiles Valley (Brown) 5/23/26 75.6   7.1 1504 51.4   1.7 0605 51.1   0.3 92   8 44   7 4.4   0.3 16.8   1.3 1534 WNW | 288 0.00 25.89 0.177   0.030 616   54 90   10
Moss Creek Vineyard/Reservior 5/23/26 77.4   11.7 1448 47.7   2.3 0502 50.1   0.5 98   7 37   12 - - - - 0.00 27.05 - - 50   20
Max   80.5 - 51.8 - 53.1 100 51 8.8 23.9 - - 0.00 50.09 0.215 701 -
Avg   - - - - 50.9 - - 4.9 - - - - - - - -
Min   68.2 - 43.4 - 47.7 92 36 2.5 14.2 - - 0.00 23.14 0.024 0 -

Northern & Central Napa County

26 Stations

Daily Data | America/Los_Angeles
as of 5/24/26 3:21 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 5/23/26 77.6   18.0 1502 52.6   5.4 0602 52.4   1.3 93   2 46   30 - - - - 0.00 32.79 - - 50   10
Diamond Mtn (Schramsberg) 5/23/26 75.8   8.0 1516 50.4   0.9 0554 51.4   0.6 100   0 45   12 - - - - 0.00 31.20 - - 90   10
Diamond Mtn (McEachran) 5/23/26 74.5   8.9 1526 51.7   0.6 0607 50.8   0.4 94   4 47   9 - - - - - - - - 80   10
St. Helena-North 5/23/26 80.5   7.4 1510 53.9   1.1 0602 49.6   0.2 81   6 35   6 2.4 12.1   0.4 1526 W | 281 0.00 31.03 0.163   0.021 515   39 80   20
St. Helena (NVV Office) 5/23/26 79.7   6.1 1601 54.4   1.8 0530 - - - 2.0 10.0   0.1 1357 NW | 319 0.00 28.47 - - 100   10
Tiara Fria (East St. Helena) 5/23/26 77.6   4.4 1453 54.4   2.6 0556 51.1   0.2 84   5 42   9 3.8 13.9   0.3 1740 NNE | 25 0.00 26.44 - - 100   10
Rutherford Hill Estate 5/23/26 78.6   3.1 1432 51.8   1.9 0008 51.8   0.1 90   2 43   2 1.9 17.1   4.4 1613 S | 170 0.00 25.00 0.158   0.018 522   57 100   10
Rutherford-North (Mee Ln) 5/23/26 76.2   4.7 1424 52.2   3.1 2307 51.7   0.4 90   2 45   1 3.8 14.9   1.8 1655 SE | 134 0.00 24.52 0.165   0.021 515   54 80   10
Rutherford (STS) 5/23/26 78.9   3.7 1411 50.9   1.5 2319 53.9   0.8 92   0 49   3 2.7 13.2   2.0 1627 SE | 132 0.00 25.82 0.183   0.017 609   48 100   10
Oakville-NE (Ranch 88) 5/23/26 77.3   3.6 1349 51.7   1.4 2321 50.4   0.3 87   1 40   0 2.8 16.4   0.2 1618 SSE | 148 0.00 24.92 0.163   0.017 508   48 100   0
OV561-East 5/23/26 76.7   4.8 1536 53.6   2.7 2336 - - - - - - - - - - - 100   20
Oakville 5/23/26 75.2   3.5 1342 53.8   4.0 2328 51.1   0.5 89   3 45   1 3.4 17.7   0.5 1626 SE | 128 0.00 25.51 0.181   0.019 600   58 80   10
OV518-West 5/23/26 74.9   3.4 1405 54.0   4.3 2335 - - - - - - - - - - - 80   10
To Kalon Remote (TKKE) 5/23/26 78.1   3.6 1345 53.3   3.5 2324 - - - - - - - - - - - 100   10
To Kalon 5/23/26 75.6   3.4 1350 52.8   3.9 2340 52.1   0.8 93   3 46   3 3.4 16.3   0.0 1605 ESE | 122 0.00 27.70 0.169   0.018 530   60 80   10
To Kalon Remote (TKN5) 5/23/26 77.5   4.9 1402 53.9   3.5 2329 - - - - - - - - - - - 100   10
Yountville (Ranch 67) 5/23/26 72.9   3.9 1321 52.9   3.3 2358 49.9   0.1 86   5 45   0 3.8 18.9   2.1 1512 E | 90 0.00 23.62 0.183   0.013 637   50 80   10
Stags Leap Dist (Silverado Vineyards) 5/23/26 73.6   3.0 1613 53.1   3.4 0005 50.3   0.0 88   3 46   1 2.7 15.5   3.1 1406 SSE | 156 0.00 27.62 0.172   0.018 571   54 60   10
Borreo (Soda Canyon) 5/23/26 70.7   4.3 1253 46.6   1.0 0030 49.6   0.3 96   0 47   1 2.0 11.5   0.3 1619 SSE | 160 0.00 27.52 0.173   0.016 614   53 60   10
Wappo Hill Floor 5/23/26 74.3   3.8 1515 52.8   2.6 0101 51.1   0.0 88   6 47   0 3.6 16.2   1.8 1428 ESE | 112 0.00 26.75 0.184   0.009 608   35 80   10
Stags Leap Dist (Chimney Rock) 5/23/26 72.7   4.5 1459 53.3   2.5 0104 52.8   0.0 92   3 53   0 3.6 15.9   1.5 1515 SE | 133 0.00 26.14 0.161   0.011 540   34 50   10
Yountville-South (Ranch 87) 5/23/26 75.4   3.3 1551 51.9   1.7 0006 51.8   0.0 92   1 48   1 2.4 15.5   1.5 1357 ESE | 111 0.00 27.39 0.181   0.010 617   33 100   20
Yountville-SE (Ranch 85) 5/23/26 72.7   4.0 1307 52.8   2.4 0101 51.7   0.0 91   2 50   1 3.6 17.0   2.2 1457 SSE | 158 0.00 25.69 - 0   0 50   10
Oak Knoll-East (Ranch 53) 5/23/26 74.1   2.9 1535 51.6   1.6 0117 50.8   0.0 91   0 47   0 2.9 15.4   0.4 1516 SE | 138 0.00 24.30 0.186   0.004 637   16 100   10
Napa-NW (Ranch 54) 5/23/26 77.8   2.5 1343 51.4   2.4 0125 50.8   0.1 91   0 39   1 1.0 9.3   1.4 1302 S | 184 0.00 26.77 - 0   0 100   10
Napa-North (Ranch 29) 5/23/26 70.6   3.6 1612 52.9   1.9 0032 51.0   0.5 90   10 51   0 2.7 17.1   4.0 1700 SSW | 213 0.00 25.18 0.132   0.001 433   8 50   10
Max   80.5 - 54.4 - 53.9 100 53 3.8 18.9 - - 0.00 32.79 0.186 637 -
Avg   - - - - 51.2 - - 2.9 - - - - - - - -
Min   70.6 - 46.6 - 49.6 81 35 1.0 9.3 - - 0.00 23.62 0.132 0 -

Southern Napa County

22 Stations

Daily Data | America/Los_Angeles
as of 5/24/26 3:21 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 5/23/26 73.2   7.5 1518 47.9   1.0 0619 49.6   1.4 96   7 47   12 1.2 8.2   1.4 1206 E | 88 0.00 34.19 0.148   0.024 516   68 80   10
Mount George (Napa East) 5/23/26 70.3   4.3 1555 52.2   1.2 0040 51.1   0.4 90   2 53   3 2.5 13.4   2.5 1250 SE | 127 0.00 17.04 0.166   0.013 602   44 50   10
Napa-East (Palmaz 300') 5/23/26 73.3   3.6 1520 52.2   1.2 0031 50.9   0.1 90   2 48   2 2.8 14.3   0.4 1420 SW | 234 0.00 23.29 0.160   0.003 534   7 50   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') 5/23/26 66.3   5.8 1440 48.5   3.0 0054 50.7   0.6 100   0 60   7 3.8 14.9   0.4 1407 SSW | 203 0.00 30.80 0.150   0.033 578   98 80   10
Wooden Valley 5/23/26 69.9   6.1 1511 51.4   0.5 0042 49.9   0.9 90   4 53   9 4.6 15.7   0.4 1634 S | 178 0.00 29.11 0.182   0.028 685   16 90   10
Napa-West Upper (Truchard) 5/23/26 71.6   2.3 1532 50.9   4.5 0026 49.7   29.6 100   0 0   0 5.8 20.6   2.7 1338 SSE | 155 0.00 24.41 0.176   0.016 593   51 50   10
Napa-West Lower (Truchard) 5/23/26 72.4   2.8 1541 49.7   5.2 2322 51.2   1.2 92   8 48   1 - - - - - - - - 70   10
Napa-South (Toyon Farms) 5/23/26 70.1   2.0 1531 51.7   4.1 0023 53.0   0.6 96   4 60   3 4.7 20.5   3.8 1511 SSE | 164 0.00 18.34 0.098   0.008 355   17 70   10
Toyon Remote 1 5/23/26 71.8   2.1 1202 48.9   4.9 0050 - - - - - - - - - - - -
Toyon Remote 2 5/23/26 70.1   2.5 1431 52.4   4.7 0034 - - - - - - - - - - - -
Toyon Remote 3 5/23/26 71.7   4.0 1635 50.1   3.9 0022 - - - - - - - - - - - -
Dealy Lane (Ranch 80) 5/23/26 71.5   2.8 1540 52.2   6.3 0018 50.6   0.8 88   7 48   1 3.1 15.1   1.0 1400 SE | 142 0.00 23.58 0.171   0.012 599   69 70   10
Carneros (Saintsbury) 5/23/26 69.0   3.8 1635 51.1   5.4 0031 50.9   0.7 90   10 53   3 6.8 23.5   5.2 1455 S | 172 0.00 8.68 - - 80   10
Suscol Lower (Ranch 35) 5/23/26 70.1   3.0 1408 51.4   2.0 0013 50.7   0.4 - - 6.3 20.7   3.5 1515 S | 189 0.00 22.84 0.155   0.010 524   48 80   10
Suscol Mtn (Ranch 93) 5/23/26 72.7   3.8 1342 49.3   2.2 0037 51.7   0.1 98   2 56   4 9.3 20.5   4.3 0244 NNW | 328 0.00 18.60 - - 50   10
Suscol Upper (Ranch 92) 5/23/26 66.7   5.2 1536 50.1   2.7 0032 45.2   0.1 100   0 3   0 7.2 20.9   5.3 1256 SW | 220 0.00 22.35 - - 80   10
Stanly (Ranch 45) 5/23/26 70.4   3.2 1435 52.3   4.5 0033 51.1   0.7 87   4 52   0 7.6 22.2   2.8 1445 SW | 216 0.00 22.49 0.179   0.015 618   70 70   10
Carneros Upper (Ranch 81) 5/23/26 71.5   2.3 1714 51.8   4.9 0011 50.3   14.8 - - 8.8 20.5   2.8 2325 WSW | 251 - - - - 80   10
Carneros (Mitsuko) 5/23/26 70.3   2.0 1558 52.0   7.1 0023 - - - - - - - - - - - 80   10
Carneros Lower (Ranch 81) 5/23/26 71.1   3.8 1252 52.0   5.4 0019 51.9   1.1 91   3 52   4 1.7 17.1   3.7 1632 SSE | 162 0.00 19.42 0.147   0.007 506   48 80   10
Carneros (Milton Rd) 5/23/26 68.2   3.3 1525 52.5   7.7 0022 51.3   0.8 89   5 57   0 - - - - 0.00 18.07 - - 80   10
Max   73.3 - 52.5 - 53.0 100 60 9.3 23.5 - - 0.00 34.19 0.182 685 -
Avg   - - - - 50.6 - - 5.1 - - - - - - - -
Min   66.3 - 47.9 - 45.2 87 0 1.2 8.2 - - 0.00 8.68 0.098 355 -