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Latest Observation

13 Stations

Daily Data | America/Los_Angeles
as of 9/17/26 9:17 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 9/10/26 96.5   2.1 1544 62.8   3.4 2322 - - - - - - - 0.00 0.82 - - 50   10
Pope Valley (Weeks Lake) 9/16/26 77.5   10.4 1447 40.4   0.6 0707 47.9   1.7 100   0 35   17 2.3   0.5 15.3   1.5 1625 S | 182 0.00 0.03 0.140   0.022 465   3 0   0
Dollarhide Base 9/16/26 80.4   11.3 1347 50.8   1.6 0720 52.5   1.4 96   4 41   18 5.0   1.9 18.0   1.3 1555 SSW | 209 0.00 0.00 0.157   0.027 495   0 20   20
Dollarhide 1AS Remote 9/16/26 78.7   12.6 1327 47.5   6.4 0718 51.9   3.9 92   5 42   20 4.9   2.0 21.8   7.2 1625 S | 170 - - - - 20   20
Dollarhide 16A Remote 9/16/26 77.9   11.7 1348 47.2   0.7 0703 52.4   1.7 97   4 44   18 - - - - - - - - 20   20
Dollarhide 18A Remote 9/16/26 78.4   10.5 1524 48.7   9.3 0716 51.5   3.9 95   4 44   21 - - - - - - - - 0   0
Hardin Rd (Eakle) 9/16/26 79.4   10.2 1457 49.8   5.5 0729 - - - - - - - - - - - 0   0
Angwin 9/16/26 70.0   10.0 1439 47.7   2.7 0547 48.0   3.6 100   0 46   27 3.4   0.5 15.6   0.7 1833 SE | 133 0.00 0.30 0.027   0.039 0   0 90   10
Lower Angwin (Pioneer) 9/16/26 71.0   9.9 1349 49.1   6.2 0616 - - - 3.6   1.3 13.3   2.4 1627 W | 260 - - - - 90   10
Las Posadas (Cal Fire) 9/16/26 72.6   10.9 1338 50.9   0.9 0655 50.4   0.2 97   3 48   17 9.7   2.4 27.5   8.6 1637 SSW | 211 0.00 0.23 0.140   0.045 442   32 -
Deer Park 9/16/26 76.6   7.7 1359 54.2   1.3 0402 50.6   1.8 90   4 41   8 3.6   0.3 17.2   3.2 1448 SE | 145 0.00 0.04 0.115   0.022 323   31 80   10
Lower Chiles Valley (Brown) 9/16/26 72.9   14.0 1531 50.6   9.0 0112 50.4   2.3 93   7 45   24 3.7   0.9 17.0   2.6 1323 SE | 134 0.00 0.14 0.144   0.027 508   19 20   10
Moss Creek Vineyard/Reservior 9/16/26 75.4   13.9 1323 50.8   3.6 0705 50.3   2.9 92   1 43   23 - - - - 0.00 0.04 - - 0   0
Max   80.4 - 54.2 - 52.5 100 48 9.7 27.5 - - 0.00 0.30 0.157 508 -
Avg   - - - - 50.6 - - 4.5 - - - - - - - -
Min   70.0 - 40.4 - 47.9 90 35 2.3 13.3 - - 0.00 0.00 0.027 0 -

Northern & Central Napa County

27 Stations

Daily Data | America/Los_Angeles
as of 9/17/26 9:17 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 9/16/26 78.9   12.5 1415 55.8   10.2 0359 53.0   1.6 89   4 42   14 - - - - 0.00 0.09 - - 10   10
Diamond Mtn (Schramsberg) 9/16/26 75.0   8.7 1422 52.1   1.1 0646 50.0   1.9 90   10 40   10 - - - - 0.00 0.13 - - 90   10
Diamond Mtn (McEachran) 9/16/26 78.1   7.1 1421 54.5   2.7 0045 51.0   0.2 89   3 37   2 - - - - - - - - 90   10
St. Helena-North 9/16/26 79.1   7.0 1421 54.0   6.2 2259 49.2   0.0 80   5 35   6 1.9 18.0   0.7 1608 SSW | 198 0.00 0.11 0.135   0.032 419   27 40   20
St. Helena (NVV Office) 9/16/26 78.6   5.8 1522 53.6   4.7 2340 - - - 1.5 13.8   1.9 1404 SE | 139 0.00 0.04 - - 50   20
Tiara Fria (East St. Helena) 9/16/26 77.0   5.7 1545 51.6   4.9 2347 50.5   0.0 85   4 39   4 2.1 16.2   2.2 1427 ESE | 119 0.00 0.02 - - 70   20
Prisoner Winery 9/16/26 79.0   7.4 1334 49.9   3.0 0059 50.9   0.3 94   1 39   7 1.8 15.3   4.7 1507 S | 185 0.00 0.06 0.029   0.001 0   0 20   20
Rutherford Hill Estate 9/16/26 77.0   7.4 1630 54.0   1.4 0029 51.2   1.8 89   5 40   6 2.0 19.1   4.2 1449 E | 101 0.00 0.08 0.127   0.012 420   14 30   10
Rutherford-North (Mee Ln) 9/16/26 78.7   4.1 1530 48.2   3.5 0056 50.7   0.4 90   0 39   3 3.4 22.6   3.3 1440 ESE | 112 0.00 0.06 0.140   0.018 425   19 100   20
Rutherford (STS) 9/16/26 79.0   5.9 1531 49.1   4.7 0056 53.0   0.3 92   0 44   4 2.4 19.2   1.3 1407 E | 99 0.00 0.05 0.149   0.017 485   27 90   20
Oakville-NE (Ranch 88) 9/16/26 76.4   6.5 1509 50.5   6.9 0053 49.6   1.5 84   1 39   5 3.0 21.0   3.6 1423 S | 169 0.00 0.04 0.138   0.015 412   24 100   0
OV561-East 9/16/26 78.7   4.4 1615 53.8   7.4 0056 - - - - - - - - - - - 40   20
Oakville 9/16/26 74.9   5.3 1511 52.2   7.3 0059 50.8   0.8 84   4 43   4 4.1 21.3   2.6 1335 SE | 144 0.00 0.03 0.145   0.017 466   14 90   10
OV518-West 9/16/26 74.4   5.7 1501 52.9   6.8 0053 - - - - - - - - - - - 100   0
To Kalon Remote (TKKE) 9/16/26 77.7   5.4 1526 53.6   8.0 0055 - - - - - - - - - - - 100   0
To Kalon 9/16/26 76.6   4.6 1522 54.2   7.7 0059 51.8   0.3 90   2 41   2 3.4 18.4   1.0 1358 SE | 144 0.00 0.00 0.144   0.019 465   19 90   10
To Kalon Remote (TKN5) 9/16/26 77.9   6.8 1508 55.0   8.8 0101 - - - - - - - - - - - 100   0
Yountville (Ranch 67) 9/16/26 72.8   5.9 1450 51.7   7.1 2222 50.0   0.4 86   4 44   5 3.8 20.2   1.5 1313 SSE | 148 0.00 0.05 0.151   0.013 534   17 90   10
Stags Leap Dist (Silverado Vineyards) 9/16/26 73.2   5.9 1446 52.3   7.4 2236 50.3   0.2 88   5 44   6 3.1 19.7   1.5 1451 S | 178 0.00 0.07 0.147   0.010 479   4 100   10
Borreo (Soda Canyon) 9/16/26 70.3   7.0 1508 51.5   3.6 2153 50.3   0.4 92   4 49   11 2.4 17.8   7.2 1327 SE | 128 0.00 0.31 0.126   0.016 442   31 100   0
Wappo Hill Floor 9/16/26 73.9   6.3 1401 51.8   7.5 2228 51.4   0.9 98   2 46   6 3.4 17.5   3.0 1417 SE | 133 0.00 0.10 0.145   0.015 475   22 90   10
Stags Leap Dist (Chimney Rock) 9/16/26 73.9   4.6 1455 53.2   9.5 0101 53.4   1.1 92   6 51   3 3.2 16.7   3.3 1356 ESE | 121 0.00 0.10 0.128   0.012 434   17 90   10
Yountville-South (Ranch 87) 9/16/26 74.3   7.3 1420 50.4   4.9 0119 51.7   0.8 100   7 45   8 2.6 16.9   3.6 1313 S | 181 0.00 0.09 0.133   0.004 432   11 90   20
Yountville-SE (Ranch 85) 9/16/26 74.2   3.9 1446 52.8   7.3 0147 52.2   0.7 92   1 46   3 2.6 17.0   2.2 1404 S | 174 0.00 0.08 - 0   0 90   10
Oak Knoll-East (Ranch 53) 9/16/26 74.5   4.1 1449 51.1   4.6 0154 51.1   0.7 90   2 44   4 2.8 16.3   4.2 1317 S | 183 0.00 0.15 0.144   0.015 484   43 100   0
Napa-NW (Ranch 54) 9/16/26 75.0   5.7 1432 49.8   1.7 0136 51.2   0.7 91   4 43   5 1.6 14.2   6.0 1554 WSW | 244 0.00 0.18 - 0   0 90   10
Napa-North (Ranch 29) 9/16/26 73.0   4.5 1528 54.5   7.9 0101 52.3   0.2 90   10 48   3 3.3 16.4   3.0 1355 SSW | 197 0.00 0.10 0.101   0.000 309   1 80   10
Max   79.1 - 55.8 - 53.4 100 51 4.1 22.6 - - 0.00 0.31 0.151 534 -
Avg   - - - - 51.2 - - 2.7 - - - - - - - -
Min   70.3 - 48.2 - 49.2 80 35 1.5 13.8 - - 0.00 0.00 0.029 0 -

Southern Napa County

22 Stations

Daily Data | America/Los_Angeles
as of 9/17/26 9:17 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 9/16/26 67.2   11.7 1324 49.1   2.4 0646 49.8   0.3 100   6 54   18 2.3 15.8   4.5 1316 S | 184 0.00 0.45 0.276   0.055 1,369   453 90   10
Mount George (Napa East) 9/16/26 72.0   5.1 1531 56.5   9.2 0103 54.3   2.5 93   1 52   8 2.4 19.4   7.4 1445 ESE | 109 0.00 0.16 0.129   0.021 458   59 90   10
Napa-East (Palmaz 300') 9/16/26 74.2   7.0 1454 54.7   4.4 0123 52.0   0.8 89   11 45   9 2.4 15.9   4.8 1322 SSW | 208 0.00 0.16 0.125   0.021 417   53 90   10
Napa-East (Palmaz 1200') 9/14/26 80.8   4.1 1344 47.1   4.1 0557 46.5   1.6 92   8 29   22 2.4 12.0   0.9 1614 SW | 226 - - 0.153   0.004 498   20 20   20
Napa-East (Palmaz 1400') 9/16/26 68.0   9.0 1359 50.9   2.1 0142 51.8   0.6 100   0 59   17 4.4 16.5   3.9 1336 W | 267 0.00 0.33 0.109   0.038 416   90 80   10
Wooden Valley 9/16/26 70.0   11.6 1447 53.7   4.3 0158 50.3   1.0 86   5 51   24 5.5 23.8   7.7 1650 SW | 235 0.00 0.04 0.138   0.034 481   34 90   10
Napa-West Upper (Truchard) 9/16/26 75.8   3.1 1445 52.4   0.6 0114 52.4   28.6 100   0 43   42 5.6 20.8   6.7 1426 SE | 140 0.00 0.10 0.209   0.015 863   41 90   10
Napa-West Lower (Truchard) 9/16/26 75.3   3.6 1444 50.6   6.7 0113 51.9   1.7 92   4 43   3 - - - - - - - - 90   10
Napa-South (Toyon Farms) 9/16/26 73.3   2.4 1504 53.2   1.3 0100 54.3   1.0 96   4 53   2 5.4 20.4   6.7 1355 SSE | 167 0.00 0.07 0.080   0.002 247   6 80   10
Toyon Remote 1 9/16/26 75.0   1.3 1522 50.5   2.0 0102 - - - - - - - - - - - -
Toyon Remote 2 9/16/26 73.3   1.7 1505 51.0   3.0 0100 - - - - - - - - - - - -
Toyon Remote 3 9/16/26 75.4   0.5 1505 50.1   3.5 0100 - - - - - - - - - - - -
Dealy Lane (Ranch 80) 9/16/26 74.1   1.2 1438 54.8   4.3 0101 51.8   0.6 88   7 44   2 3.2 18.8   5.0 1354 SSE | 155 0.00 0.08 0.128   0.020 443   61 90   10
Carneros (Saintsbury) 9/16/26 72.8   1.0 1507 51.0   3.9 0105 51.8   0.1 94   6 46   2 6.2 22.5   7.0 1432 S | 183 0.00 0.08 - - 80   10
Suscol Lower (Ranch 35) 9/16/26 71.3   3.7 1550 53.7   3.2 0106 51.9   1.0 90   10 49   2 5.9 21.9   5.9 1349 SSW | 192 0.00 0.15 0.134   0.008 414   51 80   10
Suscol Mtn (Ranch 93) 9/16/26 71.8   8.5 1347 52.7   0.3 0131 52.2   2.1 95   2 55   11 10.0 27.1   12.7 1900 NW | 317 0.00 0.33 - - 70   10
Suscol Upper (Ranch 92) 9/16/26 68.4   5.5 1604 53.4   0.2 0102 52.0   24.8 100   0 55   55 6.8 22.7   9.9 1847 SW | 226 0.00 0.15 - - 30   10
Stanly (Ranch 45) 9/16/26 71.7   3.1 1536 50.5   0.1 0102 52.1   0.4 92   1 49   0 5.8 23.7   7.8 1409 SSW | 195 0.00 0.15 0.135   0.013 435   49 90   10
Carneros Upper (Ranch 81) 9/16/26 72.1   4.6 1354 54.8   0.4 0150 51.7   1.2 - - 9.4 30.7   12.8 1924 SW | 234 - - - - 80   10
Carneros (Mitsuko) 9/16/26 74.0   0.7 1421 49.7   5.8 0101 - - - - - - - - - - - 80   10
Carneros Lower (Ranch 81) 9/16/26 79.6   1.9 1420 54.4   3.9 0648 52.8   4.9 91   9 39   39 1.3 19.4   6.4 1312 S | 185 0.00 0.01 0.017   0.008 3   3 80   10
Carneros (Milton Rd) 9/16/26 73.1   0.8 1509 48.1   0.2 0107 52.1   0.2 92   2 47   5 - - - - 0.00 0.00 - - 80   10
Max   79.6 - 56.5 - 54.3 100 59 10.0 30.7 - - 0.00 0.45 0.276 1,369 -
Avg   - - - - 52.1 - - 5.1 - - - - - - - -
Min   67.2 - 48.1 - 49.8 86 39 1.3 15.8 - - 0.00 0.00 0.017 3 -