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Latest Observation

25 Stations

Daily Data | America/Los_Angeles
as of 7/21/26 8:53 PM 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) RH (%) 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)
Rockpile Upper (Cooley) 7/20/26 83.4   6.7 1814 53.1   4.9 0654 47.8   1.2 50   1 88   15 24   8 4.0   0.3 14.9   0.0 1218 SE | 146 0.00 0.01 0.181   0.039 465   120 30   20
Rockpile Lower (Cooley) 7/20/26 86.6   6.1 1802 55.3   5.5 0639 51.0   0.4 56   8 88   12 26   9 2.2   0.2 10.9   0.5 0509 NNW | 331 0.00 0.00 - - 80   20
Cloverdale-East (Ranch 83) 7/20/26 87.4   4.8 1750 57.6   5.4 0333 54.0   1.6 - - - 2.6   0.4 12.7   3.8 1306 SSW | 209 0.00 0.00 0.160   0.042 434   122 0   0
Cloverdale-SE (Ranch 38) 7/20/26 86.2   3.7 1746 55.6   4.3 0337 54.1   1.4 63   5 91   7 34   6 5.1   0.6 17.1   2.0 1233 S | 176 0.00 0.00 0.165   0.042 393   112 60   20
Geyserville-North (Hoffman) 7/20/26 85.8   4.3 1623 58.0   4.0 0249 55.5   1.4 63   3 86   7 32   1 2.4   0.5 11.0   0.4 1313 SSE | 151 0.00 0.00 0.128   0.047 326   146 20   20
Geyserville (Ranch 3) 7/20/26 84.9   3.5 1622 57.8   4.4 0324 53.9   0.9 60   6 85   15 30   2 2.4   0.6 11.3   0.1 1301 E | 100 0.00 0.00 0.142   0.049 374   158 0   0
Geyserville-East (Ranch 40) 7/20/26 84.8   1.4 1634 54.7   4.2 0328 54.6   1.5 68   6 94   5 36   2 5.1   0.7 17.6   1.3 1354 SSW | 205 0.00 0.00 0.156   0.047 380   173 90   20
Geyserville-South (Nervo Station) 7/20/26 83.6   3.4 1620 56.1   4.0 0153 - - - - 2.5   0.6 11.1   1.7 1247 S | 184 0.00 0.00 - - 90   20
Peterson (Ranch 09) 7/20/26 82.8   3.7 1653 56.6   4.1 0118 52.9   1.3 62   5 85   8 30   4 2.4   0.7 9.9   2.7 1407 SSW | 211 0.00 0.00 0.138   0.043 382   149 0   0
Crazy Creek Ranch 7/20/26 85.8   2.2 1636 57.1   4.2 0307 55.5   1.1 65   4 88   7 34   0 1.9   0.3 10.2   0.6 1417 SSW | 201 0.00 0.00 0.136   0.050 395   170 20   20
Whitton Ranch (201e) 7/20/26 86.2   2.8 1635 56.6   3.6 0143 54.6   1.2 64   4 89   8 30   2 2.0   0.5 10.4   0.2 1440 ESE | 102 0.00 0.00 0.136   0.046 373   145 20   20
Lytton East (Shop Hill Bottom) 7/20/26 84.2   1.7 1617 56.0   3.6 0141 53.2   1.3 62   7 88   7 30   2 2.8   0.3 13.2   2.0 1245 E | 84 0.00 0.00 0.159   0.031 436   115 90   20
Lytton East (Hill 5) 7/20/26 83.8   2.4 1630 55.7   3.8 0136 53.4   1.2 63   7 90   8 30   1 3.8   0.3 14.0   3.0 1357 SSW | 195 0.00 0.00 0.157   0.027 394   99 100   0
Lytton West Lower (Lew 6) 7/20/26 84.8   1.3 1631 56.4   4.0 0351 54.0   1.5 64   7 88   12 33   8 2.6   0.7 11.1   4.1 1532 S | 170 0.00 0.00 0.153   0.030 416   103 60   20
Lytton West Hill (23PS) 7/20/26 84.1   1.6 1627 56.4   3.8 0107 54.4   1.5 64   8 90   10 36   8 3.2   0.3 13.2   1.0 1401 SSE | 155 0.00 0.00 0.160   0.027 434   111 100   0
Big River 7/20/26 84.1   1.2 1640 56.5   4.1 0427 54.8   1.0 66   8 91   9 34   0 2.3   0.5 11.3   2.5 1403 SSE | 154 0.00 0.00 0.157   0.025 455   88 100   0
Jimtown-North (Piccolo Ranch 15) 7/20/26 84.9   3.6 1644 56.8   3.9 0334 52.2   0.0 58   9 83   17 25   1 1.3   0.5 11.2   1.1 1426 SW | 226 0.00 0.00 0.130   0.038 377   126 20   20
HWY 128/Chalk Hill Rd (Landslide) 7/20/26 86.3   2.0 1651 57.2   4.2 0331 54.8   1.7 65   4 88   6 30   1 2.1   0.5 9.6   2.2 1430 S | 189 0.00 0.00 0.130   0.042 344   142 60   20
N Chalk Hill Rd (Ranch 63) 7/20/26 84.3   2.1 1648 56.1   4.3 0152 53.4   1.2 62   6 88   6 31   0 2.2   0.2 9.4   1.5 1417 S | 172 0.00 0.00 0.141   0.030 382   109 90   20
Newman Knights Valley 7/20/26 83.1   3.1 1702 56.7   5.6 0311 57.2   1.9 68   3 84   5 50   1 3.2   0.7 13.4   0.9 1412 SSW | 204 0.00 0.00 - - 100   20
Knights Valley (Bavarian Lion) 7/20/26 83.6   5.0 1501 55.4   8.2 0334 53.3   1.6 62   4 89   8 28   2 2.2   0.2 13.4   3.0 1212 WSW | 238 0.00 0.00 0.148   0.040 418   128 0   0
Red Tail 7/20/26 82.4   3.3 1503 56.1   3.7 0345 55.6   1.9 69   2 87   5 40   0 2.8   0.4 12.4   0.2 1420 SSW | 210 0.00 0.01 0.141   0.041 400   133 100   0
Franz Valley (Stornetta) 7/20/26 86.5   3.6 1543 56.2   8.1 0440 53.7   1.8 - 87   12 33   3 1.9   0.1 10.9   0.9 1602 N | 0 0.00 0.00 - - 40   10
Upper Dry Creek Valley 7/20/26 87.1   2.7 1721 57.0   4.2 0250 54.8   1.9 62   5 87   8 33   7 2.7   0.5 11.0   3.5 1531 SE | 133 0.00 0.00 0.160   0.032 428   97 10   10
Lower Dry Creek Valley 7/20/26 82.9   2.6 1626 56.8   3.7 0122 54.8   1.5 64   8 87   13 37   5 1.8   1.0 11.7   3.2 1400 SSE | 164 0.00 0.00 0.144   0.036 410   100 100   0
Max   87.4 - 58.0 - 57.2 69 94 50 5.1 17.6 - - 0.00 0.01 0.181 465 -
Avg   - - - - 53.9 63 - - 2.7 - - - - - - - -
Min   82.4 - 53.1 - 47.8 50 83 24 1.3 9.4 - - 0.00 0.00 0.128 326 -

Sonoma County-Central Daily Obs

37 Stations

Daily Data | America/Los_Angeles
as of 7/21/26 8:53 PM 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) RH (%) Daily Max RH (%) Daily Min RH (%) Wind Spd (mph) Daily Max Wind (mph) Time of Max Wind Daily Rain (In) Season Precip (In) Daily ETo (in) Daily Solar Rad (Cal/cm2) Powdery Mildew Stress (pts)
Windsor-NW (Ranch 8) 7/20/26 86.1   0.6 1630 56.2   4.1 0113 55.9   3.0 68 82   4 41   4 0.0 0.0   0.0 0101 0.00 0.00 0.135   0.027 449   99 40
Windsor-East (Ranch 16) 7/20/26 80.6   1.9 1607 56.5   4.2 0118 54.3   1.8 66 90   6 32   2 3.0 13.4   0.4 1356 0.00 0.00 0.144   0.035 390   139 100
Mark West-North (Ranch 14) 7/20/26 80.0   2.6 1603 56.3   4.7 0101 53.7   1.6 66 90   6 34   0 1.9 9.3   1.0 1447 0.00 0.00 0.028   0.000 0   0 60
Windsor-SE (Silk Rd) 7/20/26 83.2   1.6 1637 56.4   4.5 0122 55.1   2.3 69 91   6 34   0 2.0 10.2   1.1 1401 0.00 0.00 0.147   0.018 444   78 100
Fulton-NW (Ranch 5) 7/20/26 79.0   1.2 1643 56.3   4.9 0153 55.1   2.2 70 92   5 41   3 2.8 10.8   5.6 1356 0.00 0.00 0.147   0.024 432   96 100
Bisordi (Fulton) 7/20/26 78.9   2.2 1642 56.6   4.6 0250 56.6   2.5 73 91   4 48   4 2.1 10.9   0.1 1354 0.00 0.00 0.140   0.025 439   102 100
Windsor-South (Laughlin Rd) 7/20/26 83.1   0.0 1638 56.4   4.9 0241 54.8   2.5 68 89   5 35   1 - - - 0.00 0.00 - - 100
Fulton-SE (Barnes Rd) 7/20/26 78.9   1.4 1656 57.0   4.8 0116 55.2   2.3 69 90   4 45   7 1.2 10.4   3.7 1712 0.00 0.00 - - 90
Fulton-SW (Ranch 21) 7/20/26 79.8   0.4 1638 56.0   4.7 0124 54.7   2.3 70 90   10 41   4 2.7 12.7   1.6 1441 0.00 0.00 0.154   0.016 462   76 100
NW Santa Rosa (Piner Road) 7/20/26 78.7   1.2 1635 56.2   4.8 0124 58.5   3.1 81 100   0 49   6 2.0 14.8   2.5 1345 0.00 0.00 - - 60
River Rd South (Denner Ranch) 7/20/26 78.4   1.2 1625 55.6   4.8 0124 18.4   23.2 44 100   0 0   0 4.4 15.3   3.3 1435 - - - - 40
West Santa Rosa (LOV Vineyard) 7/20/26 78.8   1.8 1631 56.2   4.8 0127 55.0   2.4 71 92   3 41   6 2.5 12.8   1.0 1346 0.00 0.00 0.033   0.003 0   0 90
Guerneville Rd (Prokopakis) 7/20/26 81.9   2.0 1607 57.3   5.6 0108 55.9   2.5 71 91   5 41   9 - - - 0.00 0.02 - - 100
SunnyView Vineyard (SCWC) 7/20/26 79.1   1.1 1643 56.0   4.9 0125 54.5   2.4 70 91   5 41   5 2.1 12.8   1.8 1345 0.00 0.00 0.136   0.011 410   58 100
Guerneville Rd West (Balletto) 7/20/26 77.6   0.7 1631 56.5   4.8 0122 56.9   2.8 76 94   3 50   7 2.7 13.6   1.8 1656 0.00 0.09 - - 90
Sanchietti Ranch 7/20/26 78.9   1.0 1630 57.4   4.8 0031 57.9   2.8 - 91   5 53   7 2.7 13.6   0.9 1703 0.00 0.00 - - 90
Occidental Rd (Sebastopol) 7/20/26 78.3   0.0 1628 56.2   4.5 0048 60.7   3.9 88 100   0 55   7 2.7 14.2   0.2 1346 0.00 0.00 - - 60
Harper's Rest (Windsor-West) 7/20/26 84.7   0.9 1638 54.9   3.7 0119 54.4   2.3 - 90   6 34   2 1.5 8.6   1.3 1440 0.00 0.00 - - 100
Lower Westside Rd (Ranch 12) 7/20/26 82.8   0.5 1626 56.2   4.2 0101 55.0   2.1 68 89   11 37   3 1.8 10.4   0.5 1318 0.00 0.00 - - 100
Guerneville (Laughlin Rd) 7/20/26 79.1   3.1 1357 56.6   4.0 0327 54.6   2.0 69 87   6 46   6 2.2 14.0   0.7 1345 0.00 0.00 - - 100
Korbel (Winery) 7/20/26 79.8   4.5 1422 57.0   4.3 0356 55.4   2.0 69 87   7 48   7 0.7 13.5   4.6 1329 0.00 0.00 - - 100
Forestville (Shone Farms) 7/20/26 83.3   0.7 1626 55.3   5.0 0131 55.7   2.4 69 90   7 40   4 1.8 10.8   1.1 1350 0.00 0.00 0.152   0.007 461   42 100
Forestville-NE (Ranch 30) 7/20/26 83.0   1.5 1616 55.8   4.6 0101 56.6   2.7 73 92   6 44   9 2.4 11.8   0.5 1353 0.00 0.00 0.155   0.011 466   47 30
Foggy Bend (Ranch 41) 7/20/26 81.7   1.4 1610 57.0   4.5 0101 57.4   2.7 72 89   7 48   3 2.0 10.8   0.1 1316 0.00 0.00 0.150   0.009 466   41 100
Last Stop 7/20/26 82.1   4.1 1444 56.1   4.0 0114 56.1   2.2 71 89   7 44   5 1.8 11.3   0.9 1344 0.00 0.00 0.146   0.017 444   60 90
Green Valley Vineyard 7/20/26 79.5   2.0 1619 55.3   5.0 0109 55.2   2.4 71 91   7 41   3 1.8 12.3   1.5 1345 0.00 0.01 0.050   0.013 93   52 100
Park Royal 7/20/26 79.1   1.1 1643 56.4   5.1 0129 54.6   2.2 70 91   6 42   6 - - - 0.00 0.00 - - 70
Merino 7/20/26 82.1   0.1 1644 55.4   3.5 0042 56.9   2.3 75 95   4 44   3 1.9 10.1   2.1 1645 0.00 0.00 0.148   0.020 460   80 100
Green Valley (Sanchietti) 7/20/26 82.4   0.8 1356 56.6   4.8 0005 - - - - - - - - - - - 100
Keefer Ranch (Green Valley) 7/20/26 78.5   2.5 1405 56.6   4.9 0101 56.2   2.6 73 90   7 48   4 - - - 0.00 0.00 - - 100
Graton-West (Dutton Ranch) 7/20/26 78.5   3.1 1400 56.6   5.0 0101 60.2   4.0 84 100   0 46   6 2.2 11.4   0.3 1424 0.00 0.01 - - 100
Graton-South (Mill Station Rd) 7/20/26 72.6   2.8 1434 55.5   4.5 0101 55.6   2.5 78 96   2 56   7 1.0 8.7   0.4 1438 0.00 0.00 - - 60
Occidental (Horseshoe Bend) 7/20/26 73.8   2.2 1436 53.8   5.0 0121 55.5   2.9 - 100   0 54   6 - - - 0.00 0.02 - - 40
Sexton Valley (Jacqueline's Blk) 7/20/26 74.1   2.4 1438 55.8   4.5 0059 57.0   2.6 81 96   2 60   8 1.5 14.1   2.3 1511 0.00 0.03 - - 60
Sebastopol Hills (Burnside Rd) 7/20/26 70.0   2.2 1400 54.5   4.6 0104 56.4   2.7 86 100   0 65   9 3.0 12.1   3.9 2035 0.00 0.00 - - 0
Pleasant Hill 7/20/26 79.2   0.9 1622 55.4   4.1 0101 55.5   2.4 - 95   1 45   3 2.3 13.2   1.8 1335 0.00 0.01 - - 70
Seaview/Fort Ross (Hirsch) 7/20/26 76.8   3.5 1809 51.4   0.0 0454 51.6   0.6 69 96   4 25   20 3.1 12.9   3.9 0451 0.00 0.01 0.138   0.019 474   81 60
Max   86.1 - 57.4 - 60.7 88 100 65 4.4 15.3 - 0.00 0.09 0.155 474 -
Avg   - - - - 54.8 72 - - 2.1 - - - - - - -
Min   70.0 - 51.4 - 18.4 44 82 0 0.0 0.0 - 0.00 0.00 0.028 0 -

Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 7/21/26 8:53 PM 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)
Upper Rincon Valley 7/20/26 80.6   0.6 1539 53.5   5.3 0250 53.1   1.2 96   2 35   4 1.6   0.1 10.1   1.9 0303 N | 10 0.00 0.01 0.107   0.015 300   81 100   0
Lower Bennett Valley 7/20/26 80.9   1.8 1528 55.4   5.1 0412 55.7   2.3 96   4 46   7 2.9   0.3 9.6   2.8 1106 WNW | 302 0.00 0.00 0.156   0.012 450   86 100   0
Kenwood (Wildwood) 7/20/26 85.4   3.6 1513 55.6   4.0 0325 54.7   1.7 92   4 35   3 3.1   0.0 11.2   0.7 1532 NNW | 345 0.00 0.00 0.155   0.035 430   147 100   10
Sonoma Valley (Bedrock) 7/20/26 84.6   0.9 1516 56.1   6.6 0406 53.0   1.8 86   7 33   0 - - - - 0.00 0.00 - - 100   0
Sonoma-West (Arnold) 7/20/26 88.5   0.6 1558 58.1   10.6 0517 53.3   1.4 85   7 16   15 2.8   0.2 11.8   3.7 1615 SW | 224 0.00 0.00 0.170   0.034 482   132 90   10
Sonoma Valley HS 7/20/26 86.5   2.9 1531 57.9   7.6 0101 57.0   2.0 91   8 36   6 2.2   0.1 8.2   3.1 1801 SSE | 167 0.00 0.00 0.145   0.029 424   134 100   0
Sonoma East (Bundschu01) 7/20/26 86.6   3.7 1544 57.8   6.8 0627 54.6   1.8 87   7 34   4 2.6   0.1 12.1   0.7 1746 SW | 219 0.00 0.00 0.143   0.031 390   139 100   0
Schellville (Sasaki) 2/4/26 70.2 1502 39.9 0001 48.4 98 51 2.9 11.8 1113 NE | 34 0.00 0.00 - - 0
Sonoma-SE (Napoli) 7/20/26 87.7   4.0 1536 57.4   5.7 0459 54.5   1.7 87   6 33   4 1.8   0.4 11.1   0.0 1721 SW | 236 0.00 0.00 - - 100   0
Ricci Vineyards (Carneros) 7/20/26 85.3   4.6 1538 57.4   5.2 0406 54.6   1.5 88   7 38   4 3.8   0.8 12.8   1.4 1722 W | 264 0.00 0.01 0.158   0.021 436   108 100   0
Carneros (Ranch 71) 7/20/26 82.8   3.4 1547 56.6   5.0 0549 54.4   1.4 91   5 34   9 3.5   0.2 17.3   3.6 1737 W | 262 0.00 0.00 0.152   0.020 428   134 100   0
Carneros Upper (Ranch 81) 7/20/26 83.7   1.3 1528 56.6   5.0 0547 54.8   22.1 - - 5.3   0.4 18.0   2.1 0540 WSW | 240 - - - - 100   0
Carneros Lower (Ranch 81) 7/20/26 86.3   6.4 1722 57.8   4.7 0556 56.1   2.0 88   4 37   11 1.3   0.3 11.6   1.2 1544 S | 174 0.00 0.00 0.133   0.029 405   123 100   0
Rohnert Park-West (Stony Point) 7/20/26 74.3   0.3 1624 56.0   4.2 0050 56.8   2.6 96   2 57   3 1.8   0.8 14.6   2.1 1438 W | 264 0.00 0.00 - - 70   10
Cartograph Wines Base 7/20/26 72.7   0.9 1310 55.0   4.1 0043 56.8   2.7 97   2 65   5 3.6   0.2 19.6   1.8 1434 SSW | 206 0.00 0.02 0.131   0.003 448   43 30   10
Cartograph Wines Remote 7/20/26 75.3   0.9 1312 55.3   3.5 0042 - - - - - - - - - - - 70   10
Rice-Spivak Vineyard 7/20/26 75.1   0.2 1313 52.1   0.8 0039 - - - - - - - - - - - 70   10
Penngrove (Asellus) 7/20/26 79.2   0.8 1315 56.3   4.7 0101 54.5   2.0 92   5 41   3 3.1   0.4 12.3   0.7 1707 SW | 224 0.00 0.00 - - 100   20
Petaluma (Ranch 10) 7/20/26 83.1   0.3 1350 57.0   3.8 0101 55.0   2.2 89   3 37   1 2.7   0.4 12.3   0.8 1408 WSW | 255 0.00 0.00 0.167   0.001 500   22 100   0
Max   88.5 - 58.1 - 57.0 97 65 5.3 19.6 - - 0.00 0.02 0.170 500 -
Avg   - - - - 54.9 - - 2.8 - - - - - - - -
Min   72.7 - 52.1 - 53.0 85 16 1.3 8.2 - - 0.00 0.00 0.107 300 -