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Latest Observation

13 Stations

Daily Data | America/Los_Angeles
as of 5/29/26 10:15 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 5/28/26 66.1   0.5 1711 46.0   9.1 0628 - - - - - - - 0.40 50.53 - - 40   10
Pope Valley (Weeks Lake) 5/28/26 71.3   1.2 1739 50.6   12.1 0516 49.1   2.1 100   0 39   7 2.1   0.7 16.2   5.5 1506 SE | 128 0.21 26.63 0.141   0.047 480   162 60   10
Dollarhide Base 5/28/26 73.4   1.8 1739 51.5   8.3 0550 51.5   1.7 99   1 43   7 4.0   1.5 16.2   1.4 1118 NE | 49 0.16 23.55 0.175   0.052 596   179 60   10
Dollarhide 1AS Remote 5/28/26 74.4   0.0 1705 51.7   12.2 0458 51.1   2.6 94   1 43   6 2.7   1.1 13.7   0.6 1940 WSW | 254 - - - - 60   10
Dollarhide 16A Remote 5/28/26 71.1   2.2 1734 51.6   8.8 0602 51.1   1.8 99   1 45   7 - - - - - - - - 60   10
Dollarhide 18A Remote 5/28/26 72.8   0.1 1719 51.3   13.7 0508 51.2   3.1 99   1 43   6 - - - - - - - - 60   10
Hardin Rd (Eakle) 5/28/26 70.8   2.0 1611 51.6   10.5 0611 - - - - - - - - - - - 60   10
Angwin 5/28/26 62.1   0.1 1638 44.9   0.9 0622 45.9   3.4 100   6 52   8 2.9   0.5 12.5   0.4 1938 SE | 129 0.32 46.17 0.017   0.008 0   0 40   10
Lower Angwin (Pioneer) 5/28/26 65.3   0.4 1720 46.8   8.2 0556 - - - 2.3   0.5 11.8   2.0 2341 SW | 224 - - - - 40   10
Las Posadas (Cal Fire) 5/28/26 67.0   0.2 1657 48.2   4.7 0542 48.0   1.3 98   2 48   5 5.7   1.7 17.8   2.6 2334 WSW | 248 0.31 35.41 0.120   0.004 395   12 -
Deer Park 5/28/26 70.6   2.5 1647 50.8   3.8 0602 48.6   1.1 97   5 42   6 3.6   0.5 13.2   1.4 1941 NW | 307 0.28 29.37 0.112   0.000 328   19 40   10
Lower Chiles Valley (Brown) 5/28/26 70.1   0.9 1629 50.2   12.7 0530 48.6   1.5 95   5 41   3 2.6   0.9 12.6   1.0 1102 SE | 138 0.14 26.23 0.144   0.034 508   110 40   10
Moss Creek Vineyard/Reservior 5/28/26 69.5   5.3 1634 50.9   8.9 0620 47.8   1.2 96   4 39   9 - - - - 0.08 27.15 - - 30   10
Max   74.4 - 51.7 - 51.5 100 52 5.7 17.8 - - 0.40 50.53 0.175 596 -
Avg   - - - - 49.3 - - 3.2 - - - - - - - -
Min   62.1 - 44.9 - 45.9 94 39 2.1 11.8 - - 0.08 23.55 0.017 0 -

Northern & Central Napa County

26 Stations

Daily Data | America/Los_Angeles
as of 5/29/26 10:15 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) 5/28/26 68.4   3.0 1644 49.6   4.6 0538 48.6   2.8 100   8 44   8 - - - - 0.24 31.46 - - 40   10
Diamond Mtn (McEachran) 5/28/26 72.0   1.2 1650 51.0   5.1 0538 49.7   2.7 98   7 40   4 - - - - - - - - 30   10
St. Helena-North 5/28/26 71.6   1.8 1747 52.3   8.4 0537 48.8   1.8 92   1 36   3 2.7 16.7   3.9 1909 NNW | 333 0.27 31.48 0.137   0.030 434   100 30   10
St. Helena (NVV Office) 5/28/26 75.1   2.0 1740 53.0   6.9 0534 - - - 1.2 10.0   0.6 1132 ENE | 61 0.26 29.13 - - 50   10
Tiara Fria (East St. Helena) 5/28/26 72.0   1.5 1713 53.0   8.6 0458 50.9   2.5 95   0 40   5 2.2 12.4   0.9 1719 S | 188 0.26 27.01 - - 50   10
Rutherford Hill Estate 5/28/26 74.1   2.8 1644 51.5   5.8 0445 50.1   1.5 100   3 38   6 1.5 11.6   2.4 1408 SSW | 202 0.22 25.35 0.134   0.010 448   25 60   10
Rutherford-North (Mee Ln) 5/28/26 73.5   1.3 1712 50.2   10.5 0654 49.8   2.8 96   1 38   3 2.5 14.2   0.0 1311 SE | 132 0.32 24.87 0.134   0.006 423   11 30   10
Rutherford (STS) 5/28/26 73.0   1.6 1611 52.6   11.4 0455 51.8   2.9 91   1 45   5 1.6 10.9   2.6 1132 E | 100 0.27 26.10 0.126   0.009 424   40 60   10
Oakville-NE (Ranch 88) 5/28/26 73.8   0.1 1643 52.9   11.8 0415 50.5   2.7 99   1 36   3 1.1 12.5   0.1 1135 ESE | 107 0.25 25.32 0.120   0.009 387   52 80   10
OV561-East 5/28/26 76.7   5.4 1707 53.1   8.8 0440 - - - - - - - - - - - 50   10
Oakville 5/28/26 72.5   0.3 1618 53.0   9.5 0433 50.5   2.1 96   1 38   2 2.4 16.6   3.9 1358 WSW | 237 0.25 26.11 0.140   0.002 469   18 30   10
OV518-West 5/28/26 71.9   0.3 1736 53.0   9.2 0454 - - - - - - - - - - - 30   10
To Kalon Remote (TKKE) 5/28/26 73.4   0.7 1743 53.4   11.8 0445 - - - - - - - - - - - 50   10
To Kalon 5/28/26 72.1   0.7 1646 53.1   10.0 0642 51.0   3.2 97   1 41   3 2.2 12.2   0.2 1657 SE | 142 0.27 28.00 0.132   0.000 429   15 30   10
To Kalon Remote (TKN5) 5/28/26 72.9   0.6 1628 53.4   10.4 0411 - - - - - - - - - - - 50   10
Yountville (Ranch 67) 5/28/26 70.7   0.4 1643 52.4   9.0 0401 49.6   2.2 95   2 38   1 2.5 14.2   0.4 1142 ENE | 76 0.27 24.03 0.144   0.006 507   47 30   10
Stags Leap Dist (Silverado Vineyards) 5/28/26 70.9   1.3 1603 52.6   8.9 0631 49.6   1.9 94   2 38   2 1.8 12.0   1.0 1149 NNE | 26 0.27 28.04 0.135   0.011 452   74 10   10
Borreo (Soda Canyon) 5/28/26 69.6   1.0 1636 51.1   10.5 0604 48.2   2.8 96   2 40   4 1.8 13.6   1.8 1203 SE | 130 0.20 27.74 0.121   0.026 413   112 10   10
Wappo Hill Floor 5/28/26 73.2   0.0 1608 51.7   10.6 0625 50.6   2.7 100   0 39   2 2.8 13.0   3.7 1158 ESE | 117 0.28 27.12 0.149   0.001 490   13 60   10
Stags Leap Dist (Chimney Rock) 5/28/26 72.3   1.5 1609 53.5   11.7 0553 52.0   2.9 98   2 44   0 2.7 14.5   6.1 1044 ESE | 103 0.29 26.50 0.140   0.002 461   4 0   10
Yountville-South (Ranch 87) 5/28/26 73.4   0.3 1702 53.5   9.8 0526 51.7   2.7 100   0 40   0 2.0 11.0   1.1 1146 E | 85 0.30 27.76 0.154   0.006 526   2 90   20
Yountville-SE (Ranch 85) 5/28/26 71.7   3.1 1702 53.2   9.0 0524 51.2   2.5 98   2 41   3 2.7 12.6   4.2 1126 S | 177 0.30 26.09 - 0   0 30   10
Oak Knoll-East (Ranch 53) 5/28/26 72.1   1.2 1800 53.6   9.8 0621 50.4   2.1 94   1 38   1 2.3 18.1   4.5 1405 SE | 143 0.31 24.76 0.153   0.004 526   0 60   10
Napa-NW (Ranch 54) 5/28/26 76.7   0.9 1622 53.4   8.9 0619 51.1   3.0 100   8 35   3 0.8 8.7   1.0 1230 NE | 45 0.28 27.13 - 0   0 60   10
Napa-North (Ranch 29) 5/28/26 74.1   2.0 1758 53.4   8.2 0706 51.1   2.2 100   0 37   2 1.1 11.8   0.7 1718 SSE | 156 0.32 25.63 0.116   0.024 393   113 0   10
Max   76.7 - 53.6 - 52.0 100 45 2.8 18.1 - - 0.32 31.48 0.154 526 -
Avg   - - - - 50.4 - - 2.0 - - - - - - - -
Min   68.4 - 49.6 - 48.2 91 35 0.8 8.7 - - 0.20 24.03 0.116 0 -

Southern Napa County

22 Stations

Daily Data | America/Los_Angeles
as of 5/29/26 10:15 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 5/28/26 63.8   1.6 1606 48.1   0.2 0706 46.9   1.3 100   6 51   2 2.7 13.9   0.9 1052 SW | 218 0.30 34.60 0.108   0.009 398   31 30   10
Mount George (Napa East) 5/28/26 71.3   0.8 1758 52.8   8.5 0546 50.0   2.6 95   3 41   2 2.5 19.1   1.1 1144 ENE | 71 0.19 17.27 0.167   0.015 598   48 0   10
Napa-East (Palmaz 300') 5/28/26 74.3   1.1 1646 52.4   7.7 0607 49.9   1.8 100   0 37   2 2.5 20.0   7.6 1006 ESE | 105 0.17 23.51 0.149   0.020 486   66 0   10
Napa-East (Palmaz 1200') 5/28/26 67.1   0.0 1657 49.4   8.2 0256 46.2   1.8 100   0 6   3 3.1 17.0   0.4 1045 ESE | 106 - - 0.152   0.012 580   47 30   10
Napa-East (Palmaz 1400') 5/28/26 66.2   2.6 1508 48.3   6.2 0515 48.5   1.2 100   0 49   4 3.4 14.9   1.7 1244 ENE | 64 0.16 31.01 0.146   0.005 574   44 30   10
Wooden Valley 5/28/26 68.7   0.8 1624 50.5   8.6 0525 48.3   1.0 95   2 43   1 1.9 15.6   1.6 1541 ESE | 106 0.12 29.45 0.141   0.011 520   39 40   10
Napa-West Upper (Truchard) 5/28/26 73.1   1.9 1606 51.7   5.7 0626 22.8   2.2 100   0 0   0 2.7 14.8   0.3 1416 E | 83 0.25 24.70 0.170   0.002 553   4 0   10
Napa-West Lower (Truchard) 5/28/26 74.2   2.3 1535 52.7   12.0 0604 50.1   3.0 94   6 38   3 - - - - - - - - 20   10
Napa-South (Toyon Farms) 5/28/26 74.7   0.5 1511 53.0   6.1 0425 53.2   2.7 100   0 46   0 0.4 10.8   3.2 1707 S | 179 0.25 18.70 0.076   0.010 273   0 20   10
Toyon Remote 1 5/28/26 72.8   2.0 1512 52.9   11.5 0434 - - - - - - - - - - - -
Toyon Remote 2 5/28/26 74.0   0.9 1510 53.5   10.3 0635 - - - - - - - - - - - -
Toyon Remote 3 5/28/26 72.4   2.6 1723 53.3   10.0 0433 - - - - - - - - - - - -
Dealy Lane (Ranch 80) 5/28/26 71.7   1.4 1731 53.3   8.5 0604 49.7   2.9 95   0 38   1 3.4 15.6   0.8 1254 ESE | 121 0.22 23.81 0.154   0.017 520   73 20   10
Carneros (Saintsbury) 5/28/26 71.2   1.6 1511 50.8   6.9 0642 49.7   2.3 100   0 39   0 3.9 18.9   3.3 1149 E | 82 0.23 8.94 - - 30   10
Suscol Lower (Ranch 35) 5/28/26 71.7   1.7 1444 52.5   8.0 0534 49.8   2.6 - - 4.1 17.5   2.6 1205 ESE | 103 0.35 23.25 0.162   0.003 538   6 30   10
Suscol Mtn (Ranch 93) 5/28/26 70.2   7.3 1432 50.0   3.1 0510 48.0   0.3 98   3 44   10 6.3 25.6   6.2 1139 SSE | 158 0.62 19.27 - - 0   10
Suscol Upper (Ranch 92) 5/28/26 71.3   0.1 1728 50.5   3.7 0508 36.3   10.7 100   5 3   32 3.0 19.9   3.0 1146 NE | 51 0.38 22.76 - - 30   10
Stanly (Ranch 45) 5/28/26 73.1   1.8 1659 51.6   7.7 0555 49.6   2.1 95   1 37   1 5.6 20.2   5.0 1218 ESE | 121 0.02 22.51 0.192   0.005 656   6 20   10
Carneros Upper (Ranch 81) 5/28/26 72.6   0.9 1723 52.2   4.4 0326 37.7   9.2 - - 6.3 20.8   4.3 1227 ENE | 71 - - - - 30   10
Carneros (Mitsuko) 5/28/26 73.2   0.3 1519 53.1   12.5 0405 - - - - - - - - - - - 30   10
Carneros Lower (Ranch 81) 5/28/26 72.1   1.9 1726 53.0   9.2 0458 44.0   3.7 100   0 0   0 1.8 13.7   1.0 1204 SSE | 163 0.04 19.46 0.142   0.009 474   45 30   10
Carneros (Milton Rd) 5/28/26 71.4   2.0 1716 54.0   13.0 0349 49.9   3.0 92   2 38   1 - - - - 0.00 18.07 - - 30   10
Max   74.7 - 54.0 - 53.2 100 51 6.3 25.6 - - 0.62 34.60 0.192 656 -
Avg   - - - - 46.1 - - 3.4 - - - - - - - -
Min   63.8 - 48.1 - 22.8 92 0 0.4 10.8 - - 0.00 8.94 0.076 273 -