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Latest Observation

25 Stations

Daily Data | America/Los_Angeles
as of 5/29/26 7:51 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) 5/28/26 70.1   0.5 1606 45.6   3.3 0513 45.2   3.3 73   4 100   0 37   5 6.7   0.2 28.3   6.4 2301 NW | 322 0.28 42.48 0.167   0.010 561   50 40   10
Rockpile Lower (Cooley) 5/28/26 73.0   0.6 1542 48.6   2.5 0456 46.5   3.8 70   7 99   4 34   5 4.8   1.4 19.2   5.1 1704 WSW | 255 0.27 41.80 - - 40   10
Cloverdale-East (Ranch 83) 5/28/26 74.4   0.1 1544 52.0   5.5 0655 51.4   6.2 - - - 2.0   1.3 13.5   3.3 1548 E | 84 0.42 35.51 0.140   0.020 460   21 80   10
Cloverdale-SE (Ranch 38) 5/28/26 74.1   0.6 1555 50.6   2.1 0656 49.7   4.4 73   9 98   3 41   8 4.1   2.4 15.8   5.3 1852 SSE | 162 0.49 37.11 0.138   0.022 428   28 30   10
Geyserville-North (Hoffman) 5/28/26 76.3   1.1 1635 52.8   4.9 0601 50.8   4.6 69   9 95   3 41   7 3.0   0.8 15.8   1.6 1654 S | 184 0.00 25.50 0.160   0.003 508   32 50   10
Geyserville (Ranch 3) 5/28/26 74.5   0.9 1630 52.6   3.7 0521 50.5   5.6 69   11 100   0 37   7 3.2   1.0 14.6   1.1 0950 E | 93 0.41 36.33 0.179   0.002 583   31 80   10
Geyserville-East (Ranch 40) 5/28/26 72.9   0.1 1553 50.0   3.2 0135 49.3   3.7 71   6 99   1 42   5 6.1   0.4 20.7   2.4 1120 SSE | 152 0.34 37.19 0.159   0.025 507   46 0   10
Geyserville-South (Nervo Station) 5/28/26 75.2   1.0 1551 51.5   3.9 0316 - - - - 3.2   1.3 16.8   0.3 0935 SE | 124 0.22 27.24 - - 0   0
Peterson (Ranch 09) 5/28/26 73.2   0.6 1539 51.9   3.6 0220 49.0   5.3 67   9 95   2 36   6 2.9   1.9 12.7   2.4 0953 ESE | 110 0.37 34.02 0.172   0.012 565   3 10   10
Crazy Creek Ranch 5/28/26 74.4   0.9 1614 52.6   9.6 0455 51.1   4.6 69   3 96   0 43   7 3.0   0.3 14.7   1.6 1105 ESE | 108 0.33 37.50 0.178   0.006 591   7 0   10
Whitton Ranch (201e) 5/28/26 76.6   1.2 1552 52.0   8.0 0224 50.1   4.8 68   9 100   4 35   4 2.6   1.1 13.1   1.5 0934 E | 89 0.42 38.45 0.169   0.006 540   8 50   10
Lytton East (Shop Hill Bottom) 5/28/26 73.4   1.8 1436 51.8   3.3 0236 49.0   4.2 67   7 99   5 36   6 3.3   1.0 14.2   2.9 1814 W | 272 0.45 39.27 0.173   0.015 571   18 0   10
Lytton East (Hill 5) 5/28/26 73.3   2.3 1651 51.4   2.8 0527 48.4   3.8 66   6 97   2 36   6 4.7   1.8 16.0   5.9 1107 ESE | 114 0.44 38.71 0.171   0.018 521   15 0   10
Lytton West Lower (Lew 6) 5/28/26 73.6   0.4 1617 52.1   3.7 0410 49.4   4.6 68   8 100   7 36   6 2.7   1.9 12.8   3.9 1655 S | 190 0.47 39.17 0.165   0.008 524   31 0   0
Lytton West Hill (23PS) 5/28/26 74.2   0.1 1602 52.2   2.4 0327 49.5   4.5 68   8 100   5 36   6 3.5   1.4 15.7   1.3 1126 SE | 124 0.49 40.91 0.177   0.001 567   58 0   0
Big River 5/28/26 72.6   0.2 1720 52.0   4.7 0431 50.6   4.3 71   7 100   5 42   8 2.8   0.6 16.4   0.9 1744 WSW | 255 0.36 35.87 0.178   0.012 621   10 0   10
Jimtown-North (Piccolo Ranch 15) 5/28/26 75.0   1.2 1616 52.3   7.9 0445 49.0   5.6 66   8 100   13 34   5 2.4   0.1 12.9   3.5 1151 NE | 55 0.33 35.25 0.158   0.003 492   15 0   10
HWY 128/Chalk Hill Rd (Landslide) 5/28/26 75.4   0.5 1458 52.7   9.0 0309 50.7   5.5 69   6 96   2 36   4 2.8   0.0 12.1   4.4 1149 NNE | 33 0.39 35.17 0.145   0.017 459   38 0   10
N Chalk Hill Rd (Ranch 63) 5/28/26 74.2   0.5 1716 50.0   8.8 0515 49.4   5.2 69   7 100   1 37   7 2.9   0.2 16.2   1.4 1758 SW | 217 0.33 35.99 0.161   0.015 529   16 30   10
Newman Knights Valley 5/28/26 72.2   1.3 1645 52.5   12.2 0356 51.9   4.7 73   2 88   0 57   6 2.4   0.3 14.6   0.8 1813 SW | 222 0.30 35.40 - - 0   10
Knights Valley (Bavarian Lion) 5/28/26 72.4   1.6 1707 51.6   12.1 0420 48.9   5.2 69   3 95   2 36   8 2.8   0.2 15.0   0.8 1814 WNW | 286 0.30 35.07 0.157   0.014 533   25 10   10
Red Tail 5/28/26 72.9   0.3 1517 52.0   7.9 0245 50.8   4.3 71   4 92   0 44   4 3.8   0.2 17.0   0.3 1058 N | 4 0.37 36.22 0.162   0.015 556   37 0   10
Franz Valley (Stornetta) 5/28/26 75.7   3.1 1715 52.0   11.1 0622 49.3   5.7 - 95   0 33   2 2.3   0.1 12.9   2.5 1047 SE | 136 0.33 35.64 - - 40   10
Upper Dry Creek Valley 5/28/26 77.2   0.4 1529 52.4   2.0 0407 50.2   4.9 68   10 97   2 33   7 2.8   1.0 14.1   1.1 1745 WNW | 292 0.50 39.64 0.163   0.009 508   7 60   20
Lower Dry Creek Valley 5/28/26 74.1   0.1 1519 52.6   2.9 0347 49.9   5.1 68   10 100   0 35   6 2.9   2.5 14.7   2.2 1027 ESE | 109 0.49 38.68 0.170   0.012 539   12 0   10
Max   77.2 - 52.8 - 51.9 73 100 57 6.7 28.3 - - 0.50 42.48 0.179 621 -
Avg   - - - - 49.6 69 - - 3.3 - - - - - - - -
Min   70.1 - 45.6 - 45.2 66 88 33 2.0 12.1 - - 0.00 25.50 0.138 428 -

Sonoma County-Central Daily Obs

37 Stations

Daily Data | America/Los_Angeles
as of 5/29/26 7:51 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) 5/28/26 75.2   2.0 1533 52.4   3.8 0212 51.0   3.1 69 86   2 41   2 0.0 0.7   0.2 1633 0.49 34.62 0.147   0.020 526   83 0
Windsor-East (Ranch 16) 5/28/26 73.6   1.5 1613 52.6   8.2 0409 49.7   4.1 68 95   0 37   4 3.2 15.5   0.9 0947 0.39 27.42 0.155   0.032 503   106 0
Mark West-North (Ranch 14) 5/28/26 72.8   0.5 1655 52.4   6.6 0200 49.2   3.6 67 96   4 37   3 2.1 15.1   2.7 1029 0.42 29.47 0.029   0.008 0   0 60
Windsor-SE (Silk Rd) 5/28/26 74.5   2.4 1610 52.7   10.6 0432 50.3   4.4 70 98   3 36   2 2.4 14.5   0.7 1022 0.53 27.03 0.168   0.009 560   37 0
Fulton-NW (Ranch 5) 5/28/26 73.2   1.5 1541 52.6   8.5 0200 50.4   4.0 70 97   3 37   0 3.0 20.1   5.1 1027 0.48 30.39 0.173   0.013 587   26 20
Bisordi (Fulton) 5/28/26 72.6   1.2 1649 52.8   8.8 0449 51.9   4.0 73 95   1 44   2 2.8 16.3   2.1 1002 0.40 24.77 0.162   0.028 562   110 20
Windsor-South (Laughlin Rd) 5/28/26 74.3   1.3 1701 52.4   6.8 0310 49.9   4.0 67 94   3 37   4 - - - 0.34 28.89 - - 0
Fulton-SE (Barnes Rd) 5/28/26 73.0   2.1 1616 52.9   8.0 0402 50.5   4.0 70 95   3 42   3 3.1 18.3   2.6 0950 0.45 29.03 - - 0
Fulton-SW (Ranch 21) 5/28/26 73.2   2.0 1641 52.3   8.5 0156 39.3   6.9 61 100   6 0   37 3.3 18.3   0.2 1011 0.45 29.63 0.177   0.015 602   52 30
NW Santa Rosa (Piner Road) 5/28/26 73.0   2.5 1646 52.5   10.1 0254 52.8   3.6 77 100   0 45   1 2.5 13.9   2.4 1019 0.00 23.80 - - 30
River Rd South (Denner Ranch) 5/28/26 73.0   2.4 1620 51.8   9.3 0322 13.1   8.3 39 100   0 0   0 4.3 20.4   0.0 1140 - - - - 40
West Santa Rosa (LOV Vineyard) 5/28/26 73.6   2.8 1606 52.6   9.3 0308 50.0   3.4 70 96   0 37   4 1.7 13.8   3.2 1704 0.41 23.43 0.023   0.017 0   1 30
Guerneville Rd (Prokopakis) 5/28/26 74.9   0.1 1659 52.8   8.9 0323 51.0   3.3 71 98   1 37   0 - - - 0.44 28.59 - - 30
SunnyView Vineyard (SCWC) 5/28/26 74.1   2.0 1500 52.3   10.5 0310 49.8   4.3 70 96   1 36   0 2.6 15.2   1.8 1123 0.45 31.16 0.158   0.015 522   65 40
Guerneville Rd West (Balletto) 5/28/26 73.2   3.2 1608 53.0   10.3 0308 52.6   4.6 76 98   1 43   4 3.1 14.8   2.3 1647 0.49 28.72 - - 30
Sanchietti Ranch 5/28/26 73.1   0.2 1555 53.5   11.8 0359 53.5   4.8 - 95   0 48   3 3.4 15.6   4.2 1027 0.44 29.34 - - 0
Occidental Rd (Sebastopol) 5/28/26 74.6   3.5 1354 52.3   10.4 0358 55.8   3.9 84 100   0 52   1 2.5 16.7   2.9 1130 0.39 11.89 - - 30
Harper's Rest (Windsor-West) 5/28/26 75.4   2.8 1625 51.2   8.3 0530 48.9   3.7 - 96   2 34   4 2.3 15.4   3.4 1016 0.45 35.13 - - 10
Lower Westside Rd (Ranch 12) 5/28/26 74.3   1.5 1640 52.2   8.6 0552 50.1   4.9 70 98   3 34   5 2.0 13.6   0.2 1744 0.42 33.79 - - 0
Guerneville (Laughlin Rd) 5/28/26 73.3   0.9 1529 52.4   10.9 0642 50.4   5.2 72 96   2 37   3 1.8 15.1   0.2 1256 0.40 44.81 - - 0
Korbel (Winery) 5/28/26 74.1   1.3 1459 52.9   8.7 0600 50.5   4.7 71 96   2 36   2 1.1 13.3   5.8 1654 0.41 42.00 - - 20
Forestville (Shone Farms) 5/28/26 74.5   1.3 1630 51.7   7.0 0523 50.3   4.4 70 97   3 39   5 3.0 14.6   1.7 1050 0.49 36.08 0.161   0.021 543   66 0
Forestville-NE (Ranch 30) 5/28/26 75.1   3.6 1604 51.7   8.6 0553 51.2   4.3 74 98   1 42   4 3.0 16.4   0.1 1007 0.45 33.94 0.169   0.018 577   51 20
Foggy Bend (Ranch 41) 5/28/26 74.2   2.3 1637 53.0   9.3 0235 52.1   4.2 73 96   0 46   4 2.9 15.3   1.0 1751 0.46 35.26 0.171   0.019 586   61 0
Last Stop 5/28/26 74.8   3.1 1559 52.3   11.3 0408 51.1   4.3 72 97   2 41   2 2.9 17.2   2.0 1114 0.45 34.24 0.169   0.011 576   57 0
Green Valley Vineyard 5/28/26 73.0   3.2 1611 51.5   8.4 0558 49.9   3.8 73 98   1 39   2 2.5 16.2   2.0 1155 0.46 41.77 0.028   0.007 0   1 20
Park Royal 5/28/26 72.3   0.7 1624 52.6   10.5 0405 49.6   4.4 69 97   5 38   2 - - - 0.42 17.10 - - 30
Merino 5/28/26 75.2   2.8 1630 52.6   13.3 0221 51.9   4.0 75 99   1 43   1 2.5 15.1   1.7 1217 0.40 30.08 0.165   0.027 560   124 30
Green Valley (Sanchietti) 5/28/26 75.6   2.2 1608 52.9   12.3 0556 - - - - - - - - - - - 0
Keefer Ranch (Green Valley) 5/28/26 74.7   4.5 1614 52.6   11.2 0409 51.8   4.8 75 96   1 42   1 - - - 0.40 37.19 - - 30
Graton-West (Dutton Ranch) 5/28/26 75.1   4.3 1442 52.7   11.3 0355 53.9   5.1 81 100   0 39   0 2.0 15.1   0.4 1012 0.54 45.44 - - 30
Graton-South (Mill Station Rd) 5/28/26 71.8   4.7 1612 52.1   11.3 0444 50.8   3.8 74 98   2 42   4 1.0 8.6   3.3 1252 0.51 34.59 - - 30
Occidental (Horseshoe Bend) 5/28/26 69.9   3.8 1518 50.2   5.2 0124 49.8   3.1 - 100   0 41   2 - - - 0.45 37.58 - - 30
Sexton Valley (Jacqueline's Blk) 5/28/26 72.6   5.0 1542 52.4   10.9 0524 52.0   3.2 77 98   1 46   8 2.1 15.0   4.7 1218 0.52 23.05 - - 30
Sebastopol Hills (Burnside Rd) 5/28/26 70.6   5.9 1603 51.1   3.5 0101 51.1   2.3 78 100   1 48   9 1.4 13.2   4.6 1620 0.30 33.78 - - 0
Pleasant Hill 5/28/26 74.4   2.7 1529 51.3   9.1 0508 49.6   2.6 - 98   1 37   7 3.0 13.6   2.8 1745 0.22 31.80 - - 40
Seaview/Fort Ross (Hirsch) 5/28/26 65.6   1.6 1417 47.1   2.3 0628 46.3   1.1 76 97   0 48   1 5.0 21.7   8.0 0946 0.29 53.98 0.153   0.013 602   70 10
Max   75.6 - 53.5 - 55.8 84 100 52 5.0 21.7 - 0.54 53.98 0.177 602 -
Avg   - - - - 49.5 71 - - 2.5 - - - - - - -
Min   65.6 - 47.1 - 13.1 39 86 0 0.0 0.7 - 0.00 11.89 0.023 0 -

Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 5/29/26 7:51 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 5/28/26 69.6   0.5 1620 49.4   6.1 0409 47.7   3.4 97   2 42   6 2.0   0.2 13.0   1.8 1057 SSE | 151 0.16 6.06 0.123   0.020 420   62 40   10
Lower Bennett Valley 5/28/26 70.3   0.8 1544 51.3   12.2 0420 50.4   4.2 100   0 43   5 3.3   0.2 16.0   1.3 1048 ENE | 69 0.37 27.99 0.146   0.042 511   155 20   10
Kenwood (Wildwood) 5/28/26 71.6   0.4 1639 51.6   9.2 0543 50.0   3.6 100   3 40   2 2.6   0.4 14.5   1.2 1021 SSE | 158 0.33 32.84 0.156   0.027 544   95 0   10
Sonoma Valley (Bedrock) 5/28/26 70.5   1.7 1735 51.1   8.5 0522 48.2   2.3 96   3 38   2 - - - - 0.31 28.95 - - 0   10
Sonoma-West (Arnold) 5/28/26 72.9   1.7 1535 52.9   12.0 0533 50.0   3.3 96   0 38   4 3.3   0.6 16.2   2.2 1903 WSW | 252 0.35 18.28 0.185   0.022 640   74 30   10
Sonoma Valley HS 5/28/26 71.7   1.2 1554 52.8   8.7 0337 51.7   2.4 100   0 46   3 3.2   1.0 12.4   1.1 1630 E | 92 0.26 6.91 0.167   0.012 590   36 0   10
Sonoma East (Bundschu01) 5/28/26 71.7   2.0 1543 53.2   10.6 0419 49.4   3.5 91   4 39   3 4.8   1.6 20.4   5.3 1157 SE | 129 0.01 21.65 0.169   0.000 555   4 30   10
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) 5/28/26 74.8   0.4 1513 52.7   10.3 0437 49.7   3.3 92   3 36   1 2.7   0.4 15.5   3.4 1146 ENE | 75 0.18 18.67 - - 0   10
Ricci Vineyards (Carneros) 5/28/26 73.4   0.4 1619 52.9   9.7 0429 49.7   3.0 93   1 37   1 4.7   0.7 17.8   2.2 1200 ENE | 71 0.20 23.15 0.183   0.003 614   4 40   10
Carneros (Ranch 71) 5/28/26 68.8   2.5 1720 52.1   5.2 0420 48.9   1.9 95   1 44   4 5.4   2.3 22.5   6.5 1200 E | 79 0.12 19.98 0.156   0.021 548   53 30   10
Carneros Upper (Ranch 81) 5/28/26 72.6   0.9 1723 52.2   4.4 0326 37.7   9.2 - - 6.3   1.0 20.8   4.3 1227 ENE | 71 - - - - 30   10
Carneros Lower (Ranch 81) 5/28/26 72.1   1.9 1726 53.0   9.2 0458 44.0   3.7 100   0 0   0 1.8   0.0 13.7   1.0 1204 SSE | 163 0.04 19.46 0.142   0.009 474   45 30   10
Rohnert Park-West (Stony Point) 5/28/26 71.8   1.8 1633 52.3   12.2 0408 51.8   3.5 98   1 49   2 3.6   0.3 20.5   1.2 0955 ENE | 71 0.46 12.30 - - 20   10
Cartograph Wines Base 5/28/26 71.5   3.3 1624 51.6   4.7 0443 51.8   2.2 98   3 50   6 4.1   0.6 20.2   2.3 1647 SSW | 192 0.49 28.85 0.165   0.005 608   69 0   0
Cartograph Wines Remote 5/28/26 71.8   0.5 1628 52.2   8.9 0447 - - - - - - - - - - - 0   10
Rice-Spivak Vineyard 5/28/26 75.5   3.6 1626 51.4   17.0 2203 - - - - - - - - - - - 20   10
Penngrove (Asellus) 5/28/26 71.7   3.7 1629 52.2   10.5 0402 49.5   3.2 96   1 40   6 4.3   1.4 18.4   1.0 1148 ESE | 109 0.49 68.30 - - 30   10
Petaluma (Ranch 10) 5/28/26 75.2   1.3 1500 52.2   9.8 0455 51.5   5.1 100   0 39   3 1.9   0.0 12.4   1.0 1806 W | 266 0.33 19.96 0.179   0.018 630   85 0   0
Max   75.5 - 53.2 - 51.8 100 50 6.3 22.5 - - 0.49 68.30 0.185 640 -
Avg   - - - - 48.9 - - 3.6 - - - - - - - -
Min   68.8 - 49.4 - 37.7 91 0 1.8 12.4 - - 0.01 6.06 0.123 420 -