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Latest Observation

25 Stations

Daily Data | America/Los_Angeles
as of 6/18/26 9:17 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) 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) 6/17/26 79.6   5.1 1540 49.6   0.9 0550 53.1   0.3 81   8 100   0 45   45 4.5   0.6 17.5   0.4 1636 SSE | 148 0.01 42.50 0.202   0.031 685   41 20   10
Rockpile Lower (Cooley) 6/17/26 80.9   5.5 1625 51.9   0.4 0648 54.2   0.2 79   5 100   0 45   7 3.2   1.2 12.8   1.1 1716 ESE | 122 0.00 41.80 - - 100   10
Cloverdale-East (Ranch 83) 6/17/26 81.5   4.1 1604 55.8   0.4 0554 55.5   0.0 - - - 4.6   0.7 17.6   0.3 1712 S | 172 0.00 35.51 0.194   0.017 612   24 50   20
Cloverdale-SE (Ranch 38) 6/17/26 78.9   4.5 1628 53.6   0.2 0736 55.4   0.1 80   4 98   0 52   8 8.4   0.7 22.2   1.1 1752 S | 188 0.00 37.12 0.178   0.027 576   26 100   20
Geyserville-North (Hoffman) 6/17/26 78.7   2.9 1541 55.7   0.0 0714 56.0   0.1 77   3 93   1 54   6 3.6   0.4 13.4   0.2 1528 SE | 142 0.00 25.50 0.162   0.021 508   36 100   0
Geyserville (Ranch 3) 6/17/26 78.6   3.5 1554 55.6   0.1 0706 54.9   0.5 74   4 100   10 49   6 3.7   0.3 13.0   0.8 1612 SE | 126 0.00 36.33 0.181   0.026 595   52 100   0
Geyserville-East (Ranch 40) 6/17/26 76.1   3.4 1531 52.5   0.1 0620 55.2   0.3 85   5 100   0 57   8 8.1   1.0 21.9   0.8 1626 SSW | 206 0.00 37.19 0.164   0.031 596   38 50   10
Geyserville-South (Nervo Station) 6/17/26 77.2   1.8 1541 54.0   0.2 0559 - - - - 3.4   0.3 12.5   0.3 1712 SSW | 192 0.00 27.24 - - 90   10
Peterson (Ranch 09) 6/17/26 77.3   2.0 1554 54.4   0.2 0553 53.7   0.6 75   5 94   4 50   6 3.8   0.5 13.2   1.3 1800 S | 173 0.00 34.02 0.163   0.033 547   83 20   20
Crazy Creek Ranch 6/17/26 79.0   2.4 1555 55.4   0.4 0637 56.1   0.3 78   3 96   1 54   5 3.2   0.4 12.4   0.6 1606 SSW | 200 0.00 37.50 0.175   0.022 593   50 100   0
Whitton Ranch (201e) 6/17/26 80.3   2.1 1548 54.8   0.1 0609 55.4   0.4 76   4 96   3 49   5 3.2   0.3 11.8   0.0 1746 SSE | 160 0.00 38.45 0.160   0.032 512   78 100   0
Lytton East (Shop Hill Bottom) 6/17/26 76.9   1.5 1509 54.3   0.2 0615 54.1   0.6 77   4 94   2 49   3 3.8   0.2 15.0   0.5 1657 S | 176 0.00 39.27 0.164   0.040 539   113 70   10
Lytton East (Hill 5) 6/17/26 76.6   1.7 1542 53.9   0.2 0607 54.2   0.6 78   4 96   2 51   5 5.0   0.2 18.3   0.7 1840 SSE | 148 0.00 38.71 0.152   0.038 490   95 90   10
Lytton West Lower (Lew 6) 6/17/26 77.1   1.6 1557 54.8   0.7 0625 54.5   0.6 77   3 94   0 51   4 3.3   0.4 15.0   0.3 1837 ESE | 118 0.00 39.17 0.160   0.024 535   48 90   10
Lytton West Hill (23PS) 6/17/26 77.0   0.4 1526 54.8   0.5 0615 54.7   0.7 77   4 95   2 51   2 3.7   0.4 16.5   0.5 1610 ESE | 121 0.00 40.91 0.166   0.022 560   39 90   10
Big River 6/17/26 75.7   0.9 1531 54.5   0.7 0645 55.4   0.9 82   5 97   2 57   5 3.3   0.3 14.2   1.5 1700 SSW | 200 0.00 35.87 0.150   0.052 512   166 90   10
Jimtown-North (Piccolo Ranch 15) 6/17/26 79.0   1.8 1603 55.0   0.7 0550 53.6   0.7 73   4 100   0 45   5 2.4   0.3 14.0   1.5 1721 S | 188 0.00 35.25 0.154   0.027 512   70 90   10
HWY 128/Chalk Hill Rd (Landslide) 6/17/26 77.3   2.1 1553 55.1   1.1 0625 54.8   0.6 77   4 94   0 50   5 3.0   0.3 13.4   0.2 1613 S | 178 0.00 35.17 0.141   0.039 457   109 90   10
N Chalk Hill Rd (Ranch 63) 6/17/26 76.2   1.7 1542 53.6   0.3 0645 53.9   0.7 76   4 93   2 52   5 3.1   0.3 13.6   0.9 1549 S | 180 0.00 35.99 0.147   0.041 472   119 100   0
Newman Knights Valley 6/17/26 77.2   2.5 1547 54.7   0.9 0616 54.8   0.5 78   2 87   1 62   2 4.1   0.6 13.6   1.5 1811 WSW | 248 0.00 35.40 - - 90   10
Knights Valley (Bavarian Lion) 6/17/26 77.7   3.2 1559 53.5   0.7 0532 53.9   0.5 78   6 95   0 48   6 3.6   0.2 14.8   0.1 1809 W | 272 0.00 35.08 0.165   0.038 549   97 100   10
Red Tail 6/17/26 75.1   1.9 1524 54.1   1.5 0616 54.9   0.5 81   5 92   1 59   5 3.6   0.6 15.3   2.3 1601 S | 184 0.00 36.23 0.143   0.053 486   166 90   10
Franz Valley (Stornetta) 6/17/26 76.0   3.9 1603 53.9   1.5 0701 54.2   0.9 - 95   2 51   8 2.2   0.0 12.1   0.7 1815 W | 259 0.00 35.65 - - 100   0
Upper Dry Creek Valley 6/17/26 81.5   1.3 1618 55.5   0.2 0637 55.2   0.3 73   2 92   2 45   2 3.8   0.0 13.3   0.9 1755 ESE | 122 0.00 39.64 0.193   0.019 616   39 100   0
Lower Dry Creek Valley 6/17/26 77.1   1.1 1529 55.4   0.7 0618 55.0   0.9 76   4 100   5 51   2 3.8   0.1 16.5   0.0 1903 SE | 129 0.00 38.68 0.164   0.033 527   94 60   10
Max   81.5 - 55.8 - 56.1 85 100 62 8.4 22.2 - - 0.01 42.50 0.202 685 -
Avg   - - - - 54.7 78 - - 3.9 - - - - - - - -
Min   75.1 - 49.6 - 53.1 73 87 45 2.2 11.8 - - 0.00 25.50 0.141 457 -

Sonoma County-Central Daily Obs

37 Stations

Daily Data | America/Los_Angeles
as of 6/18/26 9:17 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) 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) 6/17/26 75.8   1.5 1512 54.8   1.1 0614 54.5   0.5 78 84   0 59   4 0.0 1.1   1.1 1559 0.00 34.62 0.135   0.051 479   176 70
Windsor-East (Ranch 16) 6/17/26 73.8   1.2 1531 55.1   1.8 0518 54.5   1.3 79 92   1 55   5 3.5 12.4   3.6 1528 0.00 27.43 0.142   0.055 482   196 80
Mark West-North (Ranch 14) 6/17/26 73.2   0.7 1513 55.0   2.0 0453 54.1   1.3 79 91   2 55   4 2.2 11.7   0.0 1542 0.00 29.47 0.019   0.010 0   0 60
Windsor-SE (Silk Rd) 6/17/26 74.0   0.2 1443 55.5   1.7 0551 54.8   1.2 79 91   1 55   2 2.7 12.4   1.0 1501 0.00 27.03 0.139   0.050 477   182 30
Fulton-NW (Ranch 5) 6/17/26 72.4   0.7 1502 55.2   2.5 0443 54.8   1.4 81 92   2 59   4 3.1 13.2   1.8 1802 0.00 30.39 0.136   0.056 475   211 60
Bisordi (Fulton) 6/17/26 72.4   1.1 1525 55.4   2.1 0448 55.6   1.0 83 91   0 65   5 2.9 12.9   0.6 1645 0.00 24.77 0.134   0.061 477   231 60
Windsor-South (Laughlin Rd) 6/17/26 75.2   0.1 1515 55.5   1.5 0514 54.4   1.3 77 89   0 53   3 - - - 0.00 28.91 - - 90
Fulton-SE (Barnes Rd) 6/17/26 72.5   0.3 1503 55.5   2.1 0524 54.7   1.5 81 92   2 59   5 3.0 13.5   0.9 1515 0.00 29.04 - - 60
Fulton-SW (Ranch 21) 6/17/26 71.9   0.8 1514 55.1   2.1 0424 54.5   1.4 81 92   0 59   4 3.6 14.8   0.9 1735 0.00 29.63 0.137   0.054 476   203 60
NW Santa Rosa (Piner Road) 6/17/26 71.5   0.7 1433 55.4   2.2 0431 58.0   1.6 93 100   0 67   5 3.0 14.4   1.4 1743 0.00 23.80 - - 60
River Rd South (Denner Ranch) 6/17/26 72.6   1.7 1459 54.8   2.3 0442 -0.5   3.5 39 100   0 0   0 4.8 18.4   0.0 1419 - - - - 70
West Santa Rosa (LOV Vineyard) 6/17/26 71.6   0.1 1454 55.3   2.1 0358 54.6   1.6 81 92   1 58   4 3.4 15.1   0.8 1741 0.00 23.43 0.025   0.007 0   0 60
Guerneville Rd (Prokopakis) 6/17/26 75.3   1.0 1504 56.2   2.0 0655 55.5   1.4 79 94   4 54   5 - - - 0.00 28.61 - - 90
SunnyView Vineyard (SCWC) 6/17/26 72.4   0.3 1449 55.2   2.4 0408 54.0   1.5 79 92   1 55   3 3.8 14.5   0.8 1652 0.00 31.16 0.122   0.046 406   194 70
Guerneville Rd West (Balletto) 6/17/26 70.6   0.0 1452 55.8   2.7 0337 56.0   1.6 85 95   2 66   4 3.6 15.2   0.3 1552 0.00 28.73 - - 60
Sanchietti Ranch 6/17/26 73.2   0.6 1434 56.5   3.4 0411 56.8   1.6 - 93   1 67   5 3.6 15.3   0.8 1611 0.00 29.34 - - 60
Occidental Rd (Sebastopol) 6/17/26 73.3   1.7 1558 55.8   4.3 0344 60.5   1.6 97 100   0 78   3 3.3 16.9   0.4 1504 0.00 11.90 - - 60
Harper's Rest (Windsor-West) 6/17/26 75.6   3.7 1728 53.9   1.7 0604 53.5   0.9 - 92   1 49   6 1.7 10.4   1.0 1600 0.00 35.13 - - 100
Lower Westside Rd (Ranch 12) 6/17/26 74.5   2.3 1519 54.9   1.8 0454 54.1   0.8 78 92   0 52   5 2.6 12.2   0.9 1531 0.00 33.79 - - 90
Guerneville (Laughlin Rd) 6/17/26 73.4   1.1 1446 54.6   1.7 0533 53.9   1.2 78 93   1 54   4 2.4 13.9   0.2 1512 0.00 44.81 - - 90
Korbel (Winery) 6/17/26 72.8   1.4 1444 55.0   2.1 0532 54.4   1.2 79 93   1 56   5 1.1 13.0   0.6 1557 0.00 42.00 - - 50
Forestville (Shone Farms) 6/17/26 74.9   4.0 1512 53.5   1.5 0458 54.8   0.9 80 92   4 57   8 2.7 13.7   1.0 1534 0.00 36.08 0.139   0.056 474   194 90
Forestville-NE (Ranch 30) 6/17/26 73.8   2.7 1424 54.4   2.2 0517 55.2   0.6 83 94   3 60   7 4.1 15.6   0.3 1512 0.00 33.95 0.139   0.053 482   180 90
Foggy Bend (Ranch 41) 6/17/26 73.1   2.1 1447 55.4   2.2 0613 55.6   0.5 82 91   3 63   4 3.6 17.0   3.9 1529 0.00 35.26 0.140   0.059 486   214 90
Last Stop 6/17/26 73.9   2.8 1419 54.8   3.7 0555 54.9   0.6 80 92   2 59   7 2.7 14.5   1.2 1515 0.00 34.24 0.134   0.061 461   212 60
Green Valley Vineyard 6/17/26 70.4   3.5 1645 54.1   5.7 0519 54.5   1.7 84 95   1 60   8 2.9 15.3   1.3 1525 0.00 41.77 0.088   0.024 269   123 60
Park Royal 6/17/26 72.0   1.1 1436 55.4   2.7 0525 54.3   1.9 79 92   1 57   5 - - - 0.00 17.10 - - 60
Merino 6/17/26 74.9   0.4 1546 55.6   3.3 0454 56.4   1.5 83 96   1 59   3 1.9 11.5   0.9 1435 0.00 30.08 0.136   0.048 466   186 60
Green Valley (Sanchietti) 6/17/26 72.7   1.3 1432 55.4   4.4 0516 - - - - - - - - - - - 60
Keefer Ranch (Green Valley) 6/17/26 70.4   2.4 1620 55.4   5.2 0527 55.0   1.6 83 93   0 64   8 - - - 0.00 37.19 - - 80
Graton-West (Dutton Ranch) 6/17/26 72.4   0.0 1444 55.5   5.3 0348 59.8   2.1 97 100   0 72   11 2.6 12.3   1.4 1557 0.00 45.44 - - 70
Graton-South (Mill Station Rd) 6/17/26 67.7   0.4 1411 55.0   5.7 0324 55.0   1.9 85 95   2 67   5 1.4 9.5   1.0 1440 0.00 34.59 - - 10
Occidental (Horseshoe Bend) 6/17/26 65.5   2.3 1553 53.0   3.9 0427 54.5   2.1 - 100   2 71   9 - - - 0.00 37.61 - - 60
Sexton Valley (Jacqueline's Blk) 6/17/26 68.8   0.5 1533 55.4   4.6 0344 56.0   1.7 88 96   2 69   3 2.0 15.1   0.6 1549 0.00 23.05 - - 40
Sebastopol Hills (Burnside Rd) 6/17/26 66.6   0.5 1413 53.7   4.0 0218 55.7   1.9 93 100   0 74   3 3.1 14.2   2.3 1633 0.00 33.82 - - 10
Pleasant Hill 6/17/26 73.5   1.5 1332 54.8   5.0 0401 55.0   1.8 - 94   3 56   3 2.8 15.2   0.7 1623 0.00 31.82 - - 70
Seaview/Fort Ross (Hirsch) 6/17/26 64.0   1.1 1441 48.1   0.8 0525 51.6   1.0 92 97   0 72   1 3.6 13.1   1.9 0036 0.01 54.27 0.134   0.033 566   163 40
Max   75.8 - 56.5 - 60.5 97 100 78 4.8 18.4 - 0.01 54.27 0.142 566 -
Avg   - - - - 53.6 82 - - 2.8 - - - - - - -
Min   64.0 - 48.1 - -0.5 39 84 0 0.0 1.1 - 0.00 11.90 0.019 0 -

Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 6/18/26 9:17 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)
Upper Rincon Valley 6/17/26 73.2   0.1 1543 52.1   2.7 0523 53.8   1.5 98   0 55   3 2.0   0.1 10.4   1.2 1636 SSE | 161 0.01 6.10 0.108   0.034 362   124 50   10
Lower Bennett Valley 6/17/26 74.6   1.5 1502 54.5   3.0 0609 55.7   1.4 100   0 57   1 3.1   0.2 13.1   0.2 1432 N | 351 0.00 28.00 0.139   0.039 484   152 50   10
Kenwood (Wildwood) 6/17/26 78.5   1.1 1539 54.6   3.0 0321 55.3   1.7 96   1 50   1 4.3   0.1 14.2   0.7 1552 NNW | 332 0.00 32.85 0.166   0.029 557   107 90   10
Sonoma Valley (Bedrock) 6/17/26 78.0   0.2 1508 54.7   3.1 0503 54.0   1.6 92   1 48   3 - - - - 0.00 28.95 - - 80   10
Sonoma-West (Arnold) 6/17/26 82.5   1.0 1519 56.9   2.5 0604 55.0   1.5 89   1 43   1 4.0   0.2 16.8   0.4 1841 W | 271 0.00 18.30 0.209   0.028 647   100 100   20
Sonoma Valley HS 6/17/26 82.1   2.4 1629 56.9   2.4 0544 57.4   1.6 94   0 50   0 2.5   0.7 10.6   3.6 1920 WSW | 238 0.00 6.91 0.182   0.027 595   123 100   10
Sonoma East (Bundschu01) 6/17/26 81.9   1.1 1601 57.3   2.6 0506 55.2   1.7 87   1 44   2 4.4   0.6 19.1   0.7 1934 W | 259 0.00 21.65 0.189   0.020 581   88 100   20
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) 6/17/26 82.8   1.7 1426 56.9   2.8 0527 55.0   1.6 89   1 41   1 4.3   0.4 15.8   1.0 1807 W | 272 0.00 18.67 - - 100   10
Ricci Vineyards (Carneros) 6/17/26 81.9   1.3 1544 56.8   3.7 0331 54.9   1.3 90   3 43   0 6.6   1.2 17.1   2.6 1729 WNW | 289 0.00 23.15 0.202   0.016 607   88 100   20
Carneros (Ranch 71) 6/17/26 80.0   1.6 1602 55.8   3.3 0451 55.0   1.5 93   2 46   0 7.7   1.2 21.7   1.7 1841 W | 265 0.00 19.98 0.194   0.019 590   100 100   0
Carneros Upper (Ranch 81) 6/17/26 77.3   2.8 1705 55.9   3.5 0453 54.9   5.2 - - 9.3   1.2 23.5   2.3 1912 WSW | 246 - - - - 100   0
Carneros Lower (Ranch 81) 6/17/26 80.5   2.8 1736 57.1   3.2 0559 56.1   1.2 89   3 47   6 1.7   0.6 17.8   1.2 1638 SSE | 163 0.00 19.55 0.161   0.023 520   82 100   0
Rohnert Park-West (Stony Point) 6/17/26 71.0   2.5 1429 55.7   3.4 0552 56.5   1.8 97   1 66   1 3.1   0.8 17.8   0.0 1625 W | 276 0.00 12.31 - - 30   10
Cartograph Wines Base 6/17/26 70.9   3.5 1610 54.7   3.2 0506 56.5   1.8 98   1 69   1 3.8   1.0 19.1   0.4 1540 WSW | 237 0.01 28.87 0.128   0.006 471   71 30   10
Cartograph Wines Remote 6/17/26 71.5   1.6 1614 55.5   3.1 0506 - - - - - - - - - - - 40   10
Rice-Spivak Vineyard 6/17/26 73.4   2.8 1538 55.2   3.2 0508 - - - - - - - - - - - 50   10
Penngrove (Asellus) 6/17/26 75.1   2.7 1621 55.7   3.5 0426 55.1   1.6 95   1 52   1 3.6   0.1 14.2   0.2 1501 NW | 309 0.01 68.32 - - 60   10
Petaluma (Ranch 10) 6/17/26 79.2   3.2 1602 56.5   3.0 0422 55.4   1.2 93   2 48   3 4.0   0.0 14.6   1.0 1159 N | 0 0.00 19.96 0.185   0.011 595   13 90   20
Max   82.8 - 57.3 - 57.4 100 69 9.3 23.5 - - 0.01 68.32 0.209 647 -
Avg   - - - - 55.4 - - 4.3 - - - - - - - -
Min   70.9 - 52.1 - 53.8 87 41 1.7 10.4 - - 0.00 6.10 0.108 362 -