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Latest Observation

13 Stations

Daily Data | America/Los_Angeles
as of 9/30/26 7:34 AM PDT
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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 9/29/26 93.1   9.9 1701 55.8   9.9 0637 - - - - - - - 0.00 0.82 - - 90   10
Pope Valley (Weeks Lake) 9/29/26 97.0   9.6 1538 42.2   4.5 0630 39.4   2.9 95   5 10   6 1.9   0.4 21.0   1.8 1435 NE | 40 0.00 0.03 0.159   0.020 423   1 80   10
Dollarhide Base 9/29/26 98.1   9.2 1440 46.7   1.2 0607 44.1   3.7 93   5 13   9 3.0   0.4 20.5   4.2 1124 WNW | 296 0.00 0.00 0.188   0.028 440   5 40   10
Dollarhide 1AS Remote 9/29/26 97.6   9.6 1619 40.8   1.6 0551 41.5   3.1 90   2 12   10 1.7   0.1 15.0   1.5 1231 NW | 316 - - - - 40   10
Dollarhide 16A Remote 9/29/26 100.2   12.3 1443 46.0   1.5 0706 44.0   3.4 94   3 13   12 - - - - - - - - 70   10
Dollarhide 18A Remote 9/29/26 99.5   12.1 1531 38.8   1.7 0558 41.5   2.4 95   2 13   10 - - - - - - - - 90   10
Hardin Rd (Eakle) 9/29/26 97.1   10.8 1543 43.2   1.7 0644 - - - - - - - - - - - 90   10
Angwin 9/29/26 89.2   13.0 1452 68.9   13.4 0525 32.4   6.6 26   29 10   13 6.1   2.0 18.3   5.5 0845 NNW | 337 0.00 0.30 0.139   0.073 0   0 100   10
Lower Angwin (Pioneer) 9/29/26 92.6   14.2 1612 56.1   16.9 2145 - - - 2.6   0.5 13.9   1.8 1153 NNW | 341 - - - - 90   10
Las Posadas (Cal Fire) 9/29/26 94.1   13.7 1522 61.4   17.3 0209 38.0   7.1 50   47 11   15 6.2   0.6 25.0   4.6 1428 NNE | 28 0.00 0.23 0.236   0.068 425   10 -
Deer Park 9/29/26 98.2   12.6 1612 55.6   8.0 0120 39.7   7.6 80   18 8   13 3.8   1.4 21.2   8.0 0858 NNE | 22 0.00 0.04 0.185   0.069 325   13 70   10
Lower Chiles Valley (Brown) 9/29/26 96.2   13.6 1618 45.7   5.5 0240 38.3   7.2 90   10 9   16 2.7   0.0 14.2   0.9 1200 ENE | 61 0.00 0.14 0.195   0.049 480   4 70   10
Moss Creek Vineyard/Reservior 9/29/26 93.7   6.3 1700 49.3   4.9 0719 41.2   3.5 90   5 10   10 - - - - 0.00 0.04 - - 50   10
Max   100.2 - 68.9 - 44.1 95 13 6.2 25.0 - - 0.00 0.82 0.236 480 -
Avg   - - - - 40.0 - - 3.5 - - - - - - - -
Min   89.2 - 38.8 - 32.4 26 8 1.7 13.9 - - 0.00 0.00 0.139 0 -

Northern & Central Napa County

27 Stations

Daily Data | America/Los_Angeles
as of 9/30/26 7:34 AM PDT
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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 9/29/26 98.7   13.6 1321 47.4   4.5 0329 45.9   1.8 90   7 13   15 - - - - 0.00 0.09 - - 90   10
Diamond Mtn (Schramsberg) 9/29/26 97.2   14.9 1539 56.8   11.0 0101 37.2   9.4 71   29 9   13 - - - - 0.00 0.13 - - 90   10
Diamond Mtn (McEachran) 9/29/26 96.2   12.5 1642 54.1   6.6 0256 40.2   6.4 74   24 10   14 - - - - - - - - 90   10
St. Helena-North 9/29/26 100.6   14.0 1505 48.1   2.4 0656 40.3   4.5 85   4 7   12 1.8 11.8   1.3 1409 NW | 322 0.00 0.11 0.145   0.026 402   24 30   10
St. Helena (NVV Office) 9/29/26 101.1   13.4 1531 47.3   0.6 0709 - - - 1.1 9.3   1.9 1414 NNE | 14 0.00 0.04 - - 40   10
Tiara Fria (East St. Helena) 9/29/26 99.1   13.6 1554 44.8   0.2 0617 44.3   3.2 91   2 9   14 1.5 12.8   4.1 1236 NE | 48 0.00 0.02 - - 20   10
Prisoner Winery 9/29/26 101.1   13.5 1601 45.4   1.7 0714 45.0   3.0 95   2 8   12 1.3 14.2   5.0 1253 NE | 54 0.00 0.06 0.041   0.022 0   0 20   10
Rutherford Hill Estate 9/29/26 103.2   16.1 1543 51.6   3.1 0718 46.8   3.2 87   13 8   15 1.3 14.2   5.0 1254 NNE | 16 0.00 0.08 0.139   0.026 394   20 40   10
Rutherford-North (Mee Ln) 9/29/26 101.6   13.3 1526 42.8   1.4 0642 44.7   2.4 94   0 8   13 1.9 20.6   10.5 1531 NW | 319 0.00 0.06 0.156   0.037 412   40 70   10
Rutherford (STS) 9/29/26 102.1   15.6 1510 42.5   1.3 0714 48.3   2.1 93   0 12   20 1.6 15.3   6.6 1248 NNW | 337 0.00 0.05 0.168   0.037 476   45 70   10
Oakville-NE (Ranch 88) 9/29/26 100.2   14.5 1522 41.5   0.1 0708 42.6   3.8 88   1 7   19 1.2 15.4   6.2 1257 NNE | 24 0.00 0.04 0.148   0.034 411   48 90   10
OV561-East 9/29/26 100.2   13.0 1454 43.5   0.0 0642 - - - - - - - - - - - 40   10
Oakville 9/29/26 98.9   16.7 1509 42.6   0.4 0640 45.0   2.9 91   1 8   24 2.2 13.7   3.0 1541 SE | 138 0.00 0.03 0.169   0.041 452   46 80   10
OV518-West 9/29/26 96.5   15.3 1456 42.8   0.4 0546 - - - - - - - - - - - 90   10
To Kalon Remote (TKKE) 9/29/26 101.5   16.2 1530 45.0   2.4 0639 - - - - - - - - - - - 90   10
To Kalon 9/29/26 99.6   16.4 1514 44.4   1.3 0550 46.3   2.9 96   0 9   22 2.0 13.3   2.7 1206 NE | 50 0.00 0.00 0.166   0.039 456   47 80   10
To Kalon Remote (TKN5) 9/29/26 99.7   15.0 1509 44.6   1.0 0714 - - - - - - - - - - - 90   10
Yountville (Ranch 67) 9/29/26 93.0   11.9 1420 42.1   0.2 0654 46.4   0.7 91   1 18   17 2.2 13.4   2.7 1547 SE | 136 0.00 0.05 0.169   0.036 510   32 80   10
Stags Leap Dist (Silverado Vineyards) 9/29/26 94.5   12.8 1417 42.3   0.5 0627 46.5   0.9 95   2 14   20 1.8 12.9   0.8 1548 ESE | 118 0.00 0.07 0.168   0.041 446   58 90   20
Borreo (Soda Canyon) 9/29/26 90.6   11.7 1512 45.1   2.5 0501 46.1   0.8 98   0 19   17 1.7 10.1   1.1 1518 S | 191 0.00 0.31 0.150   0.032 444   37 40   10
Wappo Hill Floor 9/29/26 91.6   10.4 1444 41.1   0.2 0608 47.4   1.0 100   0 23   13 1.8 11.9   0.8 1545 ESE | 112 0.00 0.10 0.158   0.031 450   38 90   10
Stags Leap Dist (Chimney Rock) 9/29/26 90.6   10.4 1645 41.4   0.4 0702 50.0   0.4 98   0 29   15 1.8 12.9   1.8 1537 SE | 134 0.00 0.10 0.143   0.030 418   43 90   10
Yountville-South (Ranch 87) 9/29/26 93.0   10.9 1449 42.2   1.0 0717 49.3   0.2 100   0 25   13 1.1 10.3   2.5 1539 SE | 135 0.00 0.09 0.129   0.013 364   22 90   10
Yountville-SE (Ranch 85) 9/29/26 89.7   10.7 1426 42.5   0.0 0706 49.0   0.3 94   2 27   15 1.4 11.8   0.6 1546 SE | 146 0.00 0.08 - 0   0 90   10
Oak Knoll-East (Ranch 53) 9/29/26 90.4   11.8 1418 43.1   1.0 0718 48.1   0.2 92   0 26   10 1.4 12.4   1.5 1518 ESE | 123 0.00 0.15 0.157   0.030 477   61 90   10
Napa-NW (Ranch 54) 9/29/26 92.4   9.8 1523 43.8   0.5 0714 49.2   0.5 93   0 25   3 0.4 6.6   1.0 1523 ESE | 118 0.00 0.18 - 0   0 90   10
Napa-North (Ranch 29) 9/29/26 89.3   9.9 1637 43.4   0.8 0636 49.9   0.2 100   0 23   17 1.3 12.6   2.0 1345 S | 190 0.00 0.10 0.104   0.013 278   19 60   10
Max   103.2 - 56.8 - 50.0 100 29 2.2 20.6 - - 0.00 0.31 0.169 510 -
Avg   - - - - 45.8 - - 1.5 - - - - - - - -
Min   89.3 - 41.1 - 37.2 71 7 0.4 6.6 - - 0.00 0.00 0.041 0 -

Southern Napa County

22 Stations

Daily Data | America/Los_Angeles
as of 9/30/26 7:34 AM PDT
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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 9/29/26 91.5   13.7 1452 69.4   20.4 0537 36.9   8.7 32   58 11   18 1.9 12.5   4.3 1118 N | 0 0.00 0.45 0.254   0.073 875   104 80   20
Mount George (Napa East) 9/29/26 97.3   11.7 1502 45.4   0.9 0630 50.2   0.5 96   0 21   19 1.1 8.6   0.1 1553 SSE | 155 0.00 0.16 0.150   0.028 462   44 90   10
Napa-East (Palmaz 300') 9/29/26 95.3   11.4 1648 47.3   1.6 0612 49.2   0.3 100   0 17   15 1.5 8.8   0.4 1651 S | 174 0.00 0.16 0.137   0.026 409   44 80   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') 9/29/26 92.0   16.0 1345 51.9   4.4 0106 40.7   8.2 76   24 11   28 3.2 18.5   7.2 0451 N | 11 0.00 0.33 0.180   0.054 456   12 60   20
Wooden Valley 9/29/26 95.8   15.8 1551 52.6   3.2 0010 38.7   8.1 71   20 8   22 2.7 17.2   0.4 0905 NNW | 330 0.00 0.04 0.178   0.033 460   3 90   10
Napa-West Upper (Truchard) 9/29/26 92.5   8.9 1634 50.5   3.7 0657 47.7   38.3 100   0 0   0 1.7 12.8   2.1 1602 S | 171 0.00 0.10 0.611   0.096 - 80   10
Napa-West Lower (Truchard) 9/29/26 91.5   7.6 1638 41.4   1.4 0624 48.0   1.9 98   4 21   4 - - - - - - - - 80   10
Napa-South (Toyon Farms) 9/29/26 89.7   7.3 1539 49.2   2.1 0605 55.2   3.0 100   0 33   1 1.8 11.8   1.8 1513 SSE | 167 0.00 0.07 0.087   0.004 211   18 40   10
Toyon Remote 1 9/29/26 88.1   5.6 1552 43.4   1.6 0620 - - - - - - - - - - - -
Toyon Remote 2 9/29/26 88.1   7.2 1538 44.3   1.9 0647 - - - - - - - - - - - -
Toyon Remote 3 9/29/26 88.1   3.8 1632 43.2   1.1 0606 - - - - - - - - - - - -
Dealy Lane (Ranch 80) 9/29/26 94.2   11.4 1630 45.3   0.3 0645 49.9   1.7 95   1 14   10 2.2 11.8   4.5 1554 SSW | 211 0.00 0.08 0.150   0.024 450   34 90   10
Carneros (Saintsbury) 9/29/26 87.3   7.0 1610 43.5   1.0 0706 51.2   2.8 100   0 24   6 2.9 14.3   2.9 1557 SSE | 164 0.00 0.08 - - 40   10
Suscol Lower (Ranch 35) 9/29/26 89.0   12.3 1546 46.6   0.7 0726 49.5   1.1 100   0 24   18 3.4 12.5   1.9 1627 SSW | 193 0.00 0.15 0.159   0.036 438   43 10   10
Suscol Mtn (Ranch 93) 9/29/26 91.8   13.6 1508 53.5   3.9 0526 49.9   1.9 95   4 21   20 2.9 19.1   4.8 0947 N | 3 0.00 0.40 - - 0   10
Suscol Upper (Ranch 92) 9/29/26 90.2   14.0 1511 53.6   4.4 0204 40.6   28.5 100   0 0   0 1.2 10.0   0.8 1335 SSW | 198 0.00 0.15 - - 0   0
Stanly (Ranch 45) 9/27/26 71.6   2.9 1700 46.7   3.0 0011 50.3   0.3 93   3 45   2 3.7 17.9   6.8 1453 SSW | 200 0.00 0.15 0.120   0.009 404   19 40   10
Carneros Upper (Ranch 81) 9/29/26 91.8   10.9 1538 52.8   3.5 0646 51.1   3.9 - - 3.6 24.5   1.2 1633 SW | 228 - - - - 10   10
Carneros (Mitsuko) 9/29/26 93.1   11.5 1637 41.2   0.9 0638 - - - - - - - - - - - 10   10
Carneros Lower (Ranch 81) 9/29/26 96.1   12.2 1608 45.3   1.5 0704 47.8   6.9 100   0 0   0 1.2 12.9   1.5 1502 SSE | 165 0.00 0.01 0.026   0.008 3   2 40   10
Carneros (Milton Rd) 9/29/26 85.6   8.2 1610 43.7   2.6 0548 50.4   1.4 93   0 31   3 - - - - 0.00 0.00 - - 40   20
Max   97.3 - 69.4 - 55.2 100 33 3.6 24.5 - - 0.00 0.45 0.611 875 -
Avg   - - - - 47.3 - - 2.2 - - - - - - - -
Min   85.6 - 41.2 - 36.9 32 0 1.1 8.6 - - 0.00 0.00 0.026 3 -