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Latest Observation

13 Stations

Daily Data | America/Los_Angeles
as of 5/31/26 1:05 PM 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 5/30/26 73.0   4.7 1630 43.3   3.8 0445 - - - - - - - 0.00 50.54 - - 20   10
Pope Valley (Weeks Lake) 5/30/26 79.6   6.3 1543 43.6   6.3 0457 49.3   0.8 100   5 30   11 1.7   0.0 12.1   1.1 1314 WSW | 253 0.00 26.64 0.189   0.062 603   210 70   20
Dollarhide Base 5/30/26 83.0   6.8 1556 48.9   6.0 0606 52.8   0.3 99   7 35   9 3.0   0.2 16.9   1.8 1655 SSW | 210 0.00 23.55 0.236   0.083 741   272 100   20
Dollarhide 1AS Remote 5/30/26 83.0   6.5 1534 44.6   7.1 0544 51.8   0.5 94   1 33   11 2.1   0.6 13.6   1.1 1534 SSW | 208 - - - - 70   20
Dollarhide 16A Remote 5/30/26 81.9   7.6 1513 47.9   5.7 0531 52.6   0.2 99   4 37   10 - - - - - - - - 70   20
Dollarhide 18A Remote 5/30/26 81.0   6.7 1633 42.9   7.3 0544 51.0   1.1 100   2 35   10 - - - - - - - - 100   20
Hardin Rd (Eakle) 5/30/26 82.1   6.9 1529 46.1   7.5 0603 - - - - - - - - - - - 100   20
Angwin 5/30/26 70.9   5.9 1528 51.5   1.9 0517 48.4   1.2 92   8 43   8 2.6   0.1 11.8   5.9 1302 SSE | 162 0.00 46.17 0.027   0.008 0   0 20   10
Lower Angwin (Pioneer) 5/30/26 73.2   6.6 1518 41.3   4.9 0559 - - - 1.7   0.3 12.2   0.4 1403 NW | 308 - - - - 20   10
Las Posadas (Cal Fire) 5/30/26 75.2   6.2 1517 45.8   4.9 0358 49.1   0.6 100   6 36   13 6.5   0.3 18.2   2.7 1617 SSW | 211 0.00 35.41 0.201   0.054 633   153 -
Deer Park 5/30/26 80.1   6.7 1516 50.3   2.1 0224 49.6   0.6 99   8 33   13 2.7   0.9 12.0   0.9 1637 NW | 316 0.00 29.37 0.147   0.019 426   56 50   20
Lower Chiles Valley (Brown) 5/30/26 78.0   7.1 1600 46.3   5.7 0052 49.8   0.6 100   6 28   22 2.9   0.5 14.9   3.1 1327 WNW | 294 0.00 26.24 0.193   0.072 667   256 50   20
Moss Creek Vineyard/Reservior 5/30/26 81.1   6.8 1302 48.6   3.2 0429 50.1   0.7 100   6 31   12 - - - - 0.00 27.15 - - 40   20
Max   83.0 - 51.5 - 52.8 100 43 6.5 18.2 - - 0.00 50.54 0.236 741 -
Avg   - - - - 50.4 - - 2.9 - - - - - - - -
Min   70.9 - 41.3 - 48.4 92 28 1.7 11.8 - - 0.00 23.55 0.027 0 -

Northern & Central Napa County

26 Stations

Daily Data | America/Los_Angeles
as of 5/31/26 1:05 PM 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 5/30/26 82.6   7.4 1432 51.5   3.6 0101 51.6   0.1 96   1 36   1 - - - - 0.00 32.79 - - 40   20
Diamond Mtn (Schramsberg) 5/30/26 77.8   7.2 1602 49.1   2.5 0321 49.1   1.0 100   3 32   16 - - - - 0.00 31.46 - - 50   20
Diamond Mtn (McEachran) 5/30/26 77.7   2.6 1513 50.9   1.5 0216 49.2   1.5 97   5 31   10 - - - - - - - - 40   20
St. Helena-North 5/30/26 82.6   7.0 1525 52.3   0.7 0329 48.4   2.0 91   4 27   12 2.0 10.5   9.0 1544 WNW | 295 0.00 31.48 0.161   0.010 507   61 70   20
St. Helena (NVV Office) 5/30/26 83.4   7.7 1520 52.8   1.4 0331 - - - 1.3 10.2   0.6 1525 SW | 225 0.00 29.13 - - 90   20
Tiara Fria (East St. Helena) 5/30/26 80.5   8.0 1600 52.4   1.5 0326 50.8   1.5 94   4 34   13 2.1 12.7   0.8 1617 W | 263 0.00 27.01 - - 60   20
Rutherford Hill Estate 5/30/26 82.4   8.0 1650 50.9   0.7 0501 50.8   0.6 100   9 32   16 1.5 13.6   0.2 1604 S | 177 0.00 25.35 0.164   0.010 535   11 70   20
Rutherford-North (Mee Ln) 5/30/26 81.6   7.4 1627 49.0   2.6 0056 50.3   1.7 94   0 33   12 2.4 14.2   3.3 1530 SE | 129 0.00 24.87 0.173   0.004 544   8 40   20
Rutherford (STS) 5/30/26 82.3   6.9 1547 50.3   1.6 0059 52.4   2.1 92   0 38   12 2.0 11.8   4.0 1731 W | 264 0.00 26.10 0.195   0.010 631   2 100   20
Oakville-NE (Ranch 88) 5/30/26 82.1   7.0 1624 49.8   2.4 0059 49.9   2.2 91   5 28   16 1.8 12.3   4.9 1524 SE | 141 0.00 25.32 0.172   0.005 545   29 100   0
OV561-East 5/30/26 84.0   9.2 1622 52.0   1.0 0059 - - - - - - - - - - - 60   20
Oakville 5/30/26 80.3   8.4 1718 50.4   2.1 0059 50.3   2.0 94   1 32   18 2.7 13.2   4.0 1637 WSW | 242 0.00 26.11 0.189   0.005 614   20 40   20
OV518-West 5/30/26 81.0   9.0 1726 51.6   1.3 0057 - - - - - - - - - - - 40   20
To Kalon Remote (TKKE) 5/30/26 81.4   6.8 1600 49.4   3.4 0059 - - - - - - - - - - - 90   20
To Kalon 5/30/26 79.7   6.8 1541 49.8   2.3 0058 50.8   1.8 95   1 34   17 2.6 12.8   2.0 1610 SW | 234 0.00 28.00 0.179   0.013 560   20 40   20
To Kalon Remote (TKN5) 5/30/26 82.0   6.9 1537 50.4   2.3 0059 - - - - - - - - - - - 90   20
Yountville (Ranch 67) 5/30/26 77.7   7.2 1545 49.8   1.7 0059 49.1   2.2 93   0 33   17 3.1 13.7   3.2 1452 E | 95 0.00 24.03 0.193   0.005 658   30 40   20
Stags Leap Dist (Silverado Vineyards) 5/30/26 77.8   7.4 1538 50.0   1.7 0059 49.1   2.2 92   0 31   20 2.6 14.1   1.1 1706 SSE | 161 0.00 28.04 0.180   0.003 580   61 0   0
Borreo (Soda Canyon) 5/30/26 76.0   6.3 1654 47.4   1.4 0046 48.6   2.2 97   1 29   23 2.0 12.6   0.8 1607 SSE | 163 0.00 27.74 0.185   0.019 637   28 0   0
Wappo Hill Floor 5/30/26 79.2   6.5 1647 49.7   1.9 0052 50.4   2.1 100   0 32   19 2.6 12.8   1.8 1516 ESE | 123 0.00 27.12 0.188   0.002 611   35 70   20
Stags Leap Dist (Chimney Rock) 5/30/26 78.5   7.5 1559 49.1   3.3 0101 51.7   2.1 96   0 36   22 2.8 13.1   0.9 1654 S | 182 0.00 26.50 0.170   0.015 550   15 20   20
Yountville-South (Ranch 87) 5/30/26 79.7   7.1 1504 51.3   1.6 0040 50.8   2.4 95   5 33   19 2.0 13.8   1.9 1523 S | 190 0.00 27.76 0.188   0.001 616   42 100   0
Yountville-SE (Ranch 85) 5/30/26 79.5   7.8 1603 52.1   0.2 0559 50.5   2.3 95   1 32   21 2.6 12.7   0.2 1442 SSE | 154 0.00 26.09 - 0   0 40   20
Oak Knoll-East (Ranch 53) 5/30/26 78.3   7.4 1541 52.2   0.0 0051 49.4   2.3 93   1 27   24 2.5 13.2   0.7 1523 SSE | 159 0.00 24.76 0.190   0.011 624   15 70   20
Napa-NW (Ranch 54) 5/30/26 81.2   7.3 1650 51.1   1.3 0101 49.7   2.3 93   2 26   19 0.9 10.8   0.1 1530 S | 182 0.00 27.13 - 0   0 100   20
Napa-North (Ranch 29) 5/30/26 76.3   6.1 1651 52.1   0.3 0038 51.5   0.8 100   0 31   22 2.0 13.0   2.0 1551 S | 190 0.00 25.63 0.137   0.009 440   8 20   20
Max   84.0 - 52.8 - 52.4 100 38 3.1 14.2 - - 0.00 32.79 0.195 658 -
Avg   - - - - 50.2 - - 2.2 - - - - - - - -
Min   76.0 - 47.4 - 48.4 91 26 0.9 10.2 - - 0.00 24.03 0.137 0 -

Southern Napa County

22 Stations

Daily Data | America/Los_Angeles
as of 5/31/26 1:05 PM 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 5/30/26 70.4   6.4 1509 45.9   5.5 0545 48.1   1.2 100   6 38   24 1.8 12.8   1.1 1505 SE | 145 0.00 34.60 0.156   0.023 550   44 10   10
Mount George (Napa East) 5/30/26 76.0   7.2 1448 49.3   3.7 0101 50.6   1.5 93   2 35   20 1.6 11.5   2.0 1622 SSE | 154 0.00 17.28 0.170   0.022 596   58 0   0
Napa-East (Palmaz 300') 5/30/26 78.6   5.3 1633 49.9   2.2 0059 50.4   1.7 93   1 34   13 1.9 11.6   0.5 1530 SW | 231 0.00 23.52 0.170   0.028 559   83 20   20
Napa-East (Palmaz 1200') 5/29/26 65.2   1.9 1609 48.2   1.2 2345 45.6   0.6 100   0 29   23 2.1 13.0   3.9 1512 NW | 320 - - 0.146   0.006 558   22 20   10
Napa-East (Palmaz 1400') 5/30/26 71.3   5.8 1512 47.1   0.6 0247 49.3   1.8 100   0 40   22 2.6 13.2   1.2 1652 SW | 216 0.00 31.03 0.169   0.036 630   112 10   10
Wooden Valley 5/30/26 74.4   5.1 1511 47.9   2.9 2355 48.8   2.0 95   2 34   19 3.6 15.8   2.6 1848 W | 261 0.00 29.46 0.197   0.049 695   156 20   10
Napa-West Upper (Truchard) 5/30/26 77.3   7.0 1606 49.4   0.4 0122 13.0   28.4 100   0 0   0 3.2 16.5   0.7 1725 SSW | 196 0.00 24.70 0.188   0.016 600   2 20   20
Napa-West Lower (Truchard) 5/30/26 79.5   8.0 1602 45.8   4.2 0050 49.8   1.7 95   2 31   19 - - - - - - - - 30   20
Napa-South (Toyon Farms) 5/30/26 77.0   7.9 1615 51.1   0.0 0109 52.6   0.8 100   1 43   19 2.6 15.5   0.8 1509 S | 177 0.00 18.70 0.109   0.018 348   17 0   10
Toyon Remote 1 5/30/26 80.2   9.7 1629 46.3   4.1 0023 - - - - - - - - - - - -
Toyon Remote 2 5/30/26 76.7   7.6 1712 48.7   2.9 0036 - - - - - - - - - - - -
Toyon Remote 3 5/30/26 79.8   9.3 1615 48.6   2.6 0059 - - - - - - - - - - - -
Dealy Lane (Ranch 80) 5/30/26 77.5   8.6 1604 50.9   0.2 0010 49.6   1.4 94   0 34   19 2.5 13.1   3.0 1617 SW | 232 0.00 23.81 0.177   0.020 604   40 30   20
Carneros (Saintsbury) 5/30/26 75.9   7.8 1638 48.8   0.5 0112 49.9   1.3 100   0 35   20 4.2 17.4   0.5 1747 WSW | 238 0.00 8.94 - - 10   10
Suscol Lower (Ranch 35) 5/30/26 74.8   5.3 1606 51.4   0.4 0027 49.9   0.7 - - 4.0 14.0   1.5 1610 SSW | 198 0.00 23.25 0.162   0.013 529   32 10   10
Suscol Mtn (Ranch 93) 5/30/26 76.4   3.9 1458 49.2   0.2 0259 50.6   0.8 100   1 37   18 4.7 16.3   5.4 1821 NW | 318 0.00 19.27 - - 20   20
Suscol Upper (Ranch 92) 5/30/26 73.1   6.0 1613 49.8   0.2 0252 48.6   5.3 100   0 3   0 0.8 14.7   0.9 1833 SW | 214 0.00 22.76 - - 10   10
Stanly (Ranch 45) 5/30/26 77.7   8.8 1732 50.8   0.3 0033 50.3   0.9 92   0 29   23 4.6 16.9   0.5 1615 SW | 223 0.00 22.51 0.196   0.017 645   19 30   20
Carneros Upper (Ranch 81) 5/30/26 75.9   6.6 1545 50.8   0.3 0102 38.0   2.3 - - 5.7 21.8   2.8 1806 W | 273 - - - - 10   10
Carneros (Mitsuko) 5/30/26 76.2   7.6 1626 45.0   6.2 0034 - - - - - - - - - - - 10   10
Carneros Lower (Ranch 81) 5/30/26 79.8   10.3 1700 48.8   2.5 0058 50.6   1.8 94   0 33   23 1.2 12.6   3.9 1303 SSE | 165 0.00 19.55 0.158   0.016 541   40 10   10
Carneros (Milton Rd) 5/30/26 75.8   6.7 1707 47.5   4.3 0059 50.2   1.3 93   0 35   18 - - - - 0.00 18.07 - - 10   10
Max   80.2 - 51.4 - 52.6 100 43 5.7 21.8 - - 0.00 34.60 0.197 695 -
Avg   - - - - 47.1 - - 3.0 - - - - - - - -
Min   70.4 - 45.0 - 13.0 92 0 0.8 11.5 - - 0.00 8.94 0.109 348 -