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Latest Observation

13 Stations

Daily Data | America/Los_Angeles
as of 7/22/26 9:49 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 7/21/26 91.2   4.5 1501 63.1   1.1 0130 - - - - - - - 0.00 0.00 - - 60   10
Pope Valley (Weeks Lake) 7/21/26 97.9   6.9 1532 63.5   2.3 0614 45.0   1.3 65   8 8   4 2.2   0.7 13.8   3.3 1325 SSW | 204 0.00 0.00 0.222   0.067 540   143 0   0
Dollarhide Base 7/21/26 101.8   8.2 1314 66.4   3.4 0602 50.7   0.8 68   7 11   4 4.0   1.1 17.0   2.7 1414 WSW | 254 0.00 0.00 0.276   0.090 614   172 10   10
Dollarhide 1AS Remote 7/21/26 102.2   6.7 1316 63.6   1.5 0601 49.7   0.1 66   10 11   3 3.1   0.3 14.9   0.0 1646 SSW | 211 - - - - 0   0
Dollarhide 16A Remote 7/21/26 101.5   7.7 1545 65.6   2.8 0605 50.8   0.9 66   9 11   7 - - - - - - - - 0   0
Dollarhide 18A Remote 7/21/26 99.8   9.2 1729 62.4   0.5 0611 49.9   0.2 70   6 10   6 - - - - - - - - 0   0
Hardin Rd (Eakle) 7/21/26 99.9   9.2 1527 64.2   1.5 0621 - - - - - - - - - - - 0   0
Angwin 7/21/26 88.9   6.4 1246 61.7   0.9 0059 34.0   4.7 83   33 5   2 2.5   0.6 13.4   2.1 1549 SE | 143 0.00 0.00 0.065   0.016 0   0 100   0
Lower Angwin (Pioneer) 7/21/26 91.0   4.7 1635 59.0   2.8 0106 - - - 2.1   0.6 12.5   0.9 0059 SW | 225 - - - - 90   10
Las Posadas (Cal Fire) 7/21/26 94.6   11.3 1613 64.3   7.1 0120 44.4   5.3 84   0 9   11 6.7   0.8 21.3   2.9 2214 WSW | 257 0.00 0.00 0.281   0.100 528   161 -
Deer Park 7/21/26 99.1   11.3 1624 65.8   8.1 0216 47.9   3.5 81   1 11   6 3.8   0.9 16.7   3.3 0021 WNW | 302 0.00 0.00 0.198   0.060 388   92 70   10
Lower Chiles Valley (Brown) 7/21/26 97.0   9.4 1626 62.0   3.8 0605 46.1   5.4 77   8 8   17 3.0   0.4 15.3   2.7 1438 WNW | 303 0.00 0.00 0.240   0.091 586   230 30   10
Moss Creek Vineyard/Reservior 7/21/26 100.0   5.5 1530 66.1   4.5 0454 44.5   4.7 64   16 4   3 - - - - 0.00 0.00 - - 0   0
Max   102.2 - 66.4 - 50.8 84 11 6.7 21.3 - - 0.00 0.00 0.281 614 -
Avg   - - - - 46.3 - - 3.4 - - - - - - - -
Min   88.9 - 59.0 - 34.0 64 4 2.1 12.5 - - 0.00 0.00 0.065 0 -

Northern & Central Napa County

27 Stations

Daily Data | America/Los_Angeles
as of 7/22/26 9:49 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 7/21/26 99.4   12.2 1523 62.8   4.9 0540 51.8   3.5 81   6 19   7 - - - - 0.00 0.00 - - 10   10
Diamond Mtn (Schramsberg) 7/21/26 97.3   10.3 1614 66.6   10.6 0011 43.7   5.8 81   5 15   1 - - - - 0.00 0.00 - - 70   10
Diamond Mtn (McEachran) 7/21/26 95.8   9.9 1725 64.8   7.6 0550 43.7   6.2 79   6 14   5 - - - - - - - - 70   10
St. Helena-North 7/21/26 101.1   11.0 1527 64.0   4.4 0549 43.7   5.7 71   3 10   7 2.1 13.6   0.4 1956 NW | 308 0.00 0.00 0.197   0.047 494   116 0   0
St. Helena (NVV Office) 7/21/26 101.3   11.3 1601 65.6   5.2 0544 - - - 1.5 9.6   1.3 1629 NNW | 330 0.00 0.00 - - 0   0
Tiara Fria (East St. Helena) 7/21/26 98.6   12.1 1621 64.7   4.2 0210 51.7   2.4 78   0 15   3 2.2 13.4   3.5 2306 NW | 321 0.00 0.00 - - 20   10
Prisoner Winery 7/21/26 101.2   10.9 1628 63.6   3.8 0151 52.4   2.1 83   1 16   1 1.3 7.5   0.6 1637 SSE | 147 0.00 0.00 0.038   0.005 0   25 0   0
Rutherford Hill Estate 7/21/26 99.8   11.1 1614 64.4   5.7 0610 52.3   2.1 76   7 18   1 1.8 14.9   3.7 2010 SW | 215 0.00 0.00 0.188   0.058 502   132 20   10
Rutherford-North (Mee Ln) 7/21/26 100.5   11.6 1553 62.8   2.8 0201 52.9   1.8 81   1 18   1 2.7 16.9   3.7 1635 SE | 124 0.00 0.00 0.214   0.069 521   140 50   10
Rutherford (STS) 7/21/26 100.4   9.8 1528 62.2   3.0 0145 56.6   1.3 86   2 22   3 2.0 11.8   0.2 1605 ESE | 112 0.00 0.00 0.219   0.074 580   163 20   10
Oakville-NE (Ranch 88) 7/21/26 99.2   10.1 1546 63.0   2.8 0613 51.9   2.1 77   0 15   4 2.1 14.6   1.5 1626 S | 185 0.00 0.00 0.209   0.068 524   136 100   0
OV561-East 7/21/26 100.6   9.3 1605 63.9   3.7 0611 - - - - - - - - - - - 40   10
Oakville 7/21/26 95.5   8.9 1605 63.2   3.2 0600 53.4   1.9 81   0 18   2 3.3 15.3   1.8 1620 SE | 140 0.00 0.00 0.234   0.082 567   155 90   10
OV518-West 7/21/26 95.1   9.0 1542 62.7   3.2 0556 - - - - - - - - - - - 90   10
To Kalon Remote (TKKE) 7/21/26 100.2   10.8 1540 63.6   3.0 0203 - - - - - - - - - - - 20   10
To Kalon 7/21/26 97.5   11.3 1548 63.0   3.2 0151 53.7   2.3 77   7 19   4 2.9 16.4   2.9 1618 SE | 146 0.00 0.00 0.229   0.087 542   166 90   10
To Kalon Remote (TKN5) 7/21/26 99.8   11.2 1545 63.5   3.2 0201 - - - - - - - - - - - 20   10
Yountville (Ranch 67) 7/21/26 94.0   9.2 1525 62.5   3.5 0615 52.6   2.5 82   1 18   19 3.0 16.4   2.9 1811 SSE | 153 0.00 0.00 0.223   0.075 566   136 90   10
Stags Leap Dist (Silverado Vineyards) 7/21/26 95.9   10.0 1507 62.8   3.5 0622 52.5   2.5 82   2 17   19 2.7 15.7   2.1 1918 SE | 133 0.00 0.00 0.216   0.075 524   139 100   0
Borreo (Soda Canyon) 7/21/26 93.3   7.8 1507 62.3   4.6 0611 49.6   4.4 79   5 13   19 1.9 11.5   1.5 1335 S | 177 0.00 0.00 0.217   0.068 597   144 100   0
Wappo Hill Floor 7/21/26 95.6   9.3 1529 62.9   2.7 0610 54.1   2.2 83   2 18   20 2.8 11.5   0.4 1542 SSE | 152 0.00 0.00 0.222   0.077 561   159 90   10
Stags Leap Dist (Chimney Rock) 7/21/26 95.3   9.9 1509 63.2   3.3 0559 57.0   1.1 86   2 24   19 2.8 12.6   1.6 2025 E | 84 0.00 0.00 0.210   0.074 520   144 90   10
Yountville-South (Ranch 87) 7/21/26 95.6   8.9 1541 62.3   2.4 0603 55.1   2.1 86   2 19   18 1.8 13.5   3.6 1611 SSE | 159 0.00 0.00 0.199   0.073 537   178 80   10
Yountville-SE (Ranch 85) 7/21/26 94.8   9.8 1541 63.4   3.7 0612 55.2   1.8 86   1 20   20 2.6 12.4   0.7 1637 SSE | 160 0.00 0.00 - 0   0 90   10
Oak Knoll-East (Ranch 53) 7/21/26 94.2   8.6 1633 63.4   3.5 0619 53.6   2.3 83   2 18   21 2.3 15.2   4.5 1451 SE | 127 0.00 0.00 0.221   0.074 579   165 80   10
Napa-NW (Ranch 54) 7/21/26 96.6   7.2 1658 62.4   2.3 0608 52.9   3.3 78   3 15   14 0.6 7.2   2.0 1636 S | 191 0.00 0.00 - 0   0 70   10
Napa-North (Ranch 29) 7/21/26 91.3   7.0 1517 63.6   4.3 0542 54.7   1.9 84   0 20   23 2.1 15.3   3.6 1538 SSW | 194 0.00 0.00 0.165   0.058 395   110 90   10
Max   101.3 - 66.6 - 57.0 86 24 3.3 16.9 - - 0.00 0.00 0.234 597 -
Avg   - - - - 52.0 - - 2.2 - - - - - - - -
Min   91.3 - 62.2 - 43.7 71 10 0.6 7.2 - - 0.00 0.00 0.038 0 -

Southern Napa County

22 Stations

Daily Data | America/Los_Angeles
as of 7/22/26 9:49 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 7/20/26 83.9   0.0 1502 57.4   1.9 0700 49.2   2.9 84   5 15   15 1.3 10.2   0.7 1411 E | 95 0.00 0.00 0.176   0.063 671   218 100   0
Mount George (Napa East) 7/21/26 97.0   2.2 1046 67.7   9.0 0101 55.2   1.9 85   3 16   19 1.6 11.7   0.4 1313 SSW | 206 0.00 0.00 0.209   0.068 576   158 100   0
Napa-East (Palmaz 300') 7/21/26 97.3   6.6 1459 63.0   4.4 0615 52.0   3.8 83   0 15   13 1.5 12.6   0.3 2007 SSE | 157 0.00 0.00 0.193   0.063 506   124 80   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') 7/21/26 91.2   7.6 1544 63.4   8.5 0058 46.4   5.9 72   21 14   12 2.7 13.3   0.7 1529 SW | 231 0.00 0.00 0.221   0.072 580   134 90   10
Wooden Valley 7/21/26 95.0   7.9 1553 65.4   4.6 0310 43.5   6.0 57   14 8   5 3.5 15.3   1.5 1734 SW | 233 0.00 0.00 0.248   0.096 588   207 90   10
Napa-West Upper (Truchard) 7/21/26 95.4   9.6 1505 61.9   4.3 0610 54.1   2.1 86   0 17   21 2.9 14.3   1.8 1622 SSE | 163 0.00 0.00 0.231   0.085 560   158 90   10
Napa-West Lower (Truchard) 7/21/26 93.9   8.3 1500 60.0   3.1 0609 53.6   2.1 86   1 17   21 - - - - - - - - 90   10
Napa-South (Toyon Farms) 7/21/26 93.1   10.5 1605 61.9   3.9 0557 57.7   1.1 89   2 24   23 3.1 13.8   1.3 1738 SSE | 163 0.00 0.00 0.146   0.059 296   63 90   10
Toyon Remote 1 7/21/26 92.2   9.4 1455 60.1   3.6 0600 - - - - - - - - - - - -
Toyon Remote 2 7/21/26 91.7   9.2 1620 61.2   2.8 0602 - - - - - - - - - - - -
Toyon Remote 3 7/21/26 92.1   7.7 1518 60.7   3.0 0604 - - - - - - - - - - - -
Dealy Lane (Ranch 80) 7/21/26 91.3   8.3 1628 61.7   3.8 0601 53.2   2.4 84   2 16   21 2.6 14.0   1.2 1538 SSE | 155 0.00 0.00 0.220   0.081 589   182 90   10
Carneros (Saintsbury) 7/21/26 91.0   9.4 1618 60.5   3.8 0603 53.0   2.9 85   3 17   24 4.2 16.8   3.4 1749 SSW | 198 0.00 0.00 - - 90   10
Suscol Lower (Ranch 35) 7/21/26 92.3   8.7 1603 61.8   4.5 0556 50.7   4.7 82   3 14   25 4.9 17.8   3.6 1628 S | 184 0.00 0.00 0.244   0.092 540   126 90   10
Suscol Mtn (Ranch 93) 7/21/26 96.5   11.3 1506 61.9   7.4 0441 49.6   4.8 91   3 13   25 3.9 17.2   0.6 2006 WSW | 252 0.00 0.00 - - 90   10
Suscol Upper (Ranch 92) 7/21/26 91.4   8.0 1631 62.2   7.0 0454 49.7   4.9 90   3 14   24 3.4 15.9   1.2 2221 S | 169 0.00 0.00 - - 50   10
Stanly (Ranch 45) 7/21/26 90.0   8.8 1528 62.0   4.0 0555 53.4   3.0 84   2 20   24 5.1 18.7   3.6 1730 SSW | 210 0.00 0.00 0.257   0.093 613   142 80   10
Carneros Upper (Ranch 81) 7/21/26 94.0   10.3 1603 63.0   6.4 0541 50.3   4.5 - - 4.9 19.1   1.1 1833 S | 189 - - - - 90   10
Carneros (Mitsuko) 7/21/26 90.3   8.3 1600 60.2   2.2 0559 - - - - - - - - - - - 90   10
Carneros Lower (Ranch 81) 7/21/26 92.4   6.1 1445 62.0   4.2 0606 52.9   3.3 83   5 20   16 1.9 13.7   2.1 1828 S | 183 0.00 0.00 0.205   0.072 542   136 90   10
Carneros (Milton Rd) 7/21/26 90.7   9.7 1618 61.2   3.1 0549 53.2   3.0 84   2 18   26 - - - - 0.00 0.00 - - 100   0
Max   97.3 - 67.7 - 57.7 91 24 5.1 19.1 - - 0.00 0.00 0.257 613 -
Avg   - - - - 51.8 - - 3.3 - - - - - - - -
Min   90.0 - 60.0 - 43.5 57 8 1.5 11.7 - - 0.00 0.00 0.146 296 -