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Latest Observation

25 Stations

Daily Data | America/Los_Angeles
as of 8/29/26 7:07 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) 8/28/26 81.1   12.2 1512 59.9   0.3 0059 37.5   9.6 35   11 59   15 7   8 6.7   2.6 21.5   5.3 0844 NW | 326 0.00 0.05 0.182   0.067 368   234 20   20
Rockpile Lower (Cooley) 8/28/26 85.6   11.4 1458 60.7   2.4 2347 39.4   8.5 35   7 57   15 15   1 3.4   0.9 16.9   2.7 1634 WNW | 284 0.00 0.02 - - 20   20
Cloverdale-East (Ranch 83) 8/28/26 85.6   16.3 1554 49.8   11.6 0059 49.4   1.0 - - - 2.3   0.4 12.4   1.0 1644 SSW | 197 0.00 0.00 0.140   0.075 390   172 20   20
Cloverdale-SE (Ranch 38) 8/28/26 81.9   18.3 1602 57.2   8.5 0052 50.6   1.0 55   12 79   11 35   18 4.8   0.7 14.6   4.8 1333 NNW | 343 0.00 0.01 0.149   0.081 352   163 20   20
Geyserville-North (Hoffman) 8/28/26 78.1   24.3 1606 48.9   10.2 0101 53.4   0.4 70   20 92   8 43   25 1.9   1.1 11.4   5.3 1614 ESE | 116 0.00 0.00 0.100   0.109 281   241 20   20
Geyserville (Ranch 3) 8/28/26 78.7   21.1 1549 50.4   8.6 0048 51.6   0.9 65   20 87   5 33   20 2.0   1.4 10.6   6.5 1604 ESE | 108 0.00 0.00 0.110   0.112 309   221 30   20
Geyserville-East (Ranch 40) 8/28/26 73.4   25.8 1530 56.8   6.2 0059 53.1   0.1 67   19 87   13 51   33 4.7   0.3 14.7   7.2 1331 SSW | 196 0.00 0.00 0.109   0.134 291   254 0   0
Geyserville-South (Nervo Station) 8/28/26 74.8   24.4 1348 55.6   4.3 0034 - - - - 2.1   0.7 9.8   5.4 1607 S | 186 0.00 0.00 - - 0   0
Peterson (Ranch 09) 8/28/26 73.6   23.1 1349 48.7   6.9 0055 51.4   0.6 69   17 91   4 44   31 2.4   0.5 10.3   3.3 1517 S | 187 0.00 0.00 0.101   0.103 293   231 20   20
Crazy Creek Ranch 8/28/26 76.6   21.6 1457 50.6   4.6 0059 53.2   0.1 70   16 93   5 48   29 1.5   0.9 7.7   6.1 1351 S | 185 0.00 0.00 0.096   0.115 301   252 20   20
Whitton Ranch (201e) 8/28/26 77.0   22.5 1830 44.3   6.7 0059 51.8   0.2 72   18 97   1 41   28 1.9   0.4 9.5   4.8 1559 SSE | 162 0.00 0.03 0.102   0.100 291   226 20   20
Lytton East (Shop Hill Bottom) 8/28/26 73.1   26.0 1831 51.8   5.3 0039 52.1   1.4 70   20 94   8 44   33 2.5   0.7 10.9   5.8 0946 S | 176 0.00 0.00 0.104   0.131 310   283 0   10
Lytton East (Hill 5) 8/28/26 73.0   25.4 1822 54.8   3.9 0059 52.7   1.5 69   20 90   7 47   35 3.5   1.7 13.5   8.9 1559 S | 183 0.00 0.00 0.102   0.142 284   242 20   10
Lytton West Lower (Lew 6) 8/28/26 74.0   24.2 1821 49.2   5.6 0006 52.1   1.0 72   20 94   3 47   34 2.4   0.8 10.3   8.8 1557 SSW | 193 0.00 0.01 0.103   0.135 310   289 0   10
Lytton West Hill (23PS) 8/28/26 72.2   25.5 1607 54.4   3.2 0037 53.3   1.5 71   20 93   6 48   36 3.2   0.2 11.4   7.6 0954 SSE | 158 0.00 0.01 0.106   0.131 317   286 50   10
Big River 8/28/26 72.9   23.5 1823 52.2   4.3 0059 53.8   0.4 73   17 93   3 54   35 1.9   0.8 9.8   10.3 1200 S | 174 0.00 0.00 0.093   0.127 294   290 30   10
Jimtown-North (Piccolo Ranch 15) 8/28/26 81.7   16.1 1827 47.3   6.5 0058 49.7   0.7 64   16 84   2 31   18 1.1   0.6 8.6   5.0 1105 WSW | 240 0.00 0.00 0.088   0.089 266   212 20   20
HWY 128/Chalk Hill Rd (Landslide) 8/28/26 76.7   21.0 1828 47.2   5.9 0058 52.0   0.1 70   16 92   4 40   18 1.5   0.8 10.0   4.3 1148 S | 170 0.00 0.00 0.080   0.114 228   263 0   0
N Chalk Hill Rd (Ranch 63) 8/28/26 76.0   20.6 1835 47.0   4.2 0058 51.1   0.2 69   15 92   1 43   25 1.7   0.6 9.7   5.7 1622 SSE | 157 0.00 0.00 0.086   0.113 253   257 20   20
Newman Knights Valley 8/16/26 87.7   7.5 1555 53.8   0.1 0712 56.9   1.1 71   5 89   2 46   12 3.1   0.4 13.6   1.9 1647 SW | 220 0.00 0.00 - - 60   10
Knights Valley (Bavarian Lion) 8/28/26 78.7   19.6 1531 46.5   2.6 0057 49.9   0.8 66   13 95   1 34   18 1.5   0.8 9.8   7.8 1258 WSW | 254 0.00 0.00 0.094   0.121 277   296 0   0
Red Tail 8/28/26 75.3   20.3 1820 48.9   6.5 0059 52.7   1.6 73   16 91   4 49   22 2.2   1.0 11.5   7.0 1548 SSW | 203 0.00 0.01 0.085   0.127 259   300 30   10
Franz Valley (Stornetta) 8/28/26 78.3   18.2 1814 47.0   3.1 0101 49.5   0.2 - 93   3 34   19 1.0   0.6 9.3   4.4 1243 NNW | 333 0.00 0.00 - - 0   0
Upper Dry Creek Valley 8/28/26 78.4   20.0 1536 49.7   8.6 0041 52.5   1.0 69   22 95   12 40   25 2.3   0.8 11.1   2.4 1437 SE | 129 0.00 0.00 0.120   0.103 342   232 20   20
Lower Dry Creek Valley 8/28/26 72.9   25.7 1830 48.2   7.4 0049 52.4   0.5 72   18 100   6 49   37 2.0   0.8 13.1   4.3 1556 ESE | 112 0.00 0.01 0.099   0.125 296   264 30   10
Max   85.6 - 60.7 - 53.8 73 100 54 6.7 21.5 - - 0.00 0.05 0.182 390 -
Avg   - - - - 50.7 65 - - 2.5 - - - - - - - -
Min   72.2 - 44.3 - 37.5 35 57 7 1.0 7.7 - - 0.00 0.00 0.080 228 -

Sonoma County-Central Daily Obs

37 Stations

Daily Data | America/Los_Angeles
as of 8/29/26 7:07 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) 8/28/26 77.0   22.2 1809 53.5   2.3 0044 54.1   1.1 74 82   0 53   33 0.0 0.0   13.2 0101 0.00 0.02 0.072   0.105 261   309 0
Windsor-East (Ranch 16) 8/28/26 72.4   21.4 1809 48.4   3.7 0054 52.0   0.7 74 92   0 49   24 2.7 11.0   6.3 1117 0.00 0.00 0.081   0.141 228   341 70
Mark West-North (Ranch 14) 8/28/26 71.6 1805 - 0923 52.4 69 94 50 1.7 8.3 1441 0.00 0.00 - - 0
Windsor-SE (Silk Rd) 8/28/26 74.4   20.8 1818 47.3   3.2 0057 52.6   0.7 76 95   3 51   34 1.3 8.1   8.0 1444 0.00 0.02 0.075   0.126 244   323 60
Fulton-NW (Ranch 5) 8/28/26 71.8   20.2 1757 49.2   3.1 0059 52.8   0.6 77 94   4 54   24 2.8 10.9   7.5 1314 0.00 0.00 0.076   0.145 233   335 70
Bisordi (Fulton) 8/28/26 72.2   19.9 1814 46.5   4.5 0101 53.5   1.7 79 93   1 58   23 1.6 11.0   2.8 1158 0.00 0.00 0.073   0.132 246   359 70
Windsor-South (Laughlin Rd) 8/28/26 72.5   23.0 1747 51.5   2.5 0101 52.8   1.0 75 92   2 53   35 - - - 0.00 0.00 - - 50
Fulton-SE (Barnes Rd) 8/28/26 72.4   19.4 1814 50.6   3.5 0059 53.3   1.0 74 91   1 53   23 1.8 10.0   7.7 1136 0.00 0.00 - - 70
Fulton-SW (Ranch 21) 8/28/26 70.7   20.6 1826 50.2   2.4 0031 51.6   2.1 77 100   8 0   30 2.3 10.6   7.8 0925 0.00 0.00 0.076   0.141 252   354 70
NW Santa Rosa (Piner Road) 8/28/26 70.2   21.1 1832 48.9   2.0 0007 56.6   0.6 90 100   0 64   28 1.3 9.0   4.8 0924 0.00 0.00 - - 70
River Rd South (Denner Ranch) 8/28/26 71.8   20.9 1753 48.8   2.1 0048 5.1   13.4 42 100   0 0   0 2.9 10.5   11.2 1031 - - - - 80
West Santa Rosa (LOV Vineyard) 8/25/26 85.6   5.6 1427 51.5   1.4 0051 53.4   2.0 73 96   2 24   16 1.5 11.9   1.3 1443 0.00 0.00 0.029   0.002 0   0 100
Guerneville Rd (Prokopakis) 8/28/26 75.0   23.4 1756 50.7   0.5 2335 53.3   0.5 77 97   1 50   27 - - - 0.00 0.04 - - 50
SunnyView Vineyard (SCWC) 8/28/26 70.3   21.1 1828 46.6   2.9 2358 51.9   0.8 78 96   2 54   24 1.2 8.5   6.1 0936 0.00 0.00 0.064   0.108 219   288 80
Guerneville Rd West (Balletto) 8/28/26 71.5   20.5 1837 49.0   3.1 0015 54.3   1.6 81 94   1 60   29 1.9 8.2   8.6 0920 0.00 0.11 - - 70
Sanchietti Ranch 8/28/26 71.5   17.6 1830 53.2   1.8 0022 55.1   1.4 - 95   1 64   25 2.7 12.2   3.8 0854 0.00 0.00 - - 70
Occidental Rd (Sebastopol) 8/28/26 71.8   21.6 1811 49.6   0.7 2320 57.8   0.2 95 100   0 66   36 1.2 9.4   4.2 1028 0.00 0.00 - - 70
Harper's Rest (Windsor-West) 8/28/26 76.8   21.8 1819 49.1   2.8 0059 51.9   0.2 - 94   0 46   31 1.4 6.3   5.6 1241 0.00 0.04 - - 10
Lower Westside Rd (Ranch 12) 8/28/26 74.2   21.1 1759 48.6   3.1 0042 52.7   0.6 76 95   1 51   34 1.3 8.2   7.7 1600 0.00 0.03 - - 60
Guerneville (Laughlin Rd) 8/28/26 76.2   16.8 1427 48.4   2.1 0059 51.5   0.0 70 92   0 40   15 1.0 8.7   6.2 1550 0.00 0.02 - - 70
Korbel (Winery) 8/28/26 75.9   18.4 1819 51.4   1.2 0059 54.0   1.5 74 94   0 48   25 1.1 11.2   0.1 1037 0.00 0.01 - - 90
Forestville (Shone Farms) 8/28/26 77.2   20.0 1801 51.0   3.2 0055 53.8   0.2 76 94   2 51   36 1.4 7.3   5.3 1002 0.00 0.04 0.075   0.125 241   318 60
Forestville-NE (Ranch 30) 8/28/26 75.7   20.9 1755 48.4   2.3 0024 54.1   0.1 79 97   0 54   34 1.9 9.6   5.5 1821 0.00 0.03 0.079   0.140 255   325 0
Foggy Bend (Ranch 41) 8/28/26 74.8   21.2 1809 50.0   1.9 0031 54.8   1.5 79 95   0 58   34 1.0 6.9   8.3 1654 0.00 0.03 0.079   0.126 272   303 60
Last Stop 8/28/26 76.5   21.0 1807 48.4   2.6 0050 53.3   0.1 77 94   2 52   35 1.3 8.3   5.1 0930 0.00 0.02 0.077   0.125 253   319 30
Green Valley Vineyard 8/28/26 72.7   21.2 1801 50.1   3.5 0059 53.5   1.7 79 96   2 55   41 1.1 7.2   9.0 0920 0.00 0.07 0.033   0.018 79   78 60
Park Royal 8/28/26 71.0   19.8 1816 49.6   2.6 2346 52.4   0.2 77 97   6 52   24 - - - 0.00 0.00 - - 70
Merino 8/28/26 73.1   19.3 1808 47.2   1.9 2352 54.1   1.2 84 99   1 57   23 1.9 10.3   5.1 0915 0.00 0.00 0.068   0.135 230   350 70
Green Valley (Sanchietti) 8/28/26 74.8   22.1 1810 45.4   2.2 2357 - - - - - - - - - - - 60
Keefer Ranch (Green Valley) 8/28/26 74.8   19.4 1751 45.8   3.9 0059 53.5   0.0 81 95   2 54   34 - - - 0.00 0.04 - - 60
Graton-West (Dutton Ranch) 8/28/26 74.8   21.9 1752 46.7   4.0 0056 58.5   4.1 93 100   0 57   43 1.2 7.1   4.0 0920 0.00 0.05 - - 60
Graton-South (Mill Station Rd) 8/28/26 73.3   16.3 1813 45.4   3.2 0058 52.9   0.1 80 95   0 54   29 0.4 6.0   2.6 0856 0.00 0.03 - - 40
Occidental (Horseshoe Bend) 8/28/26 71.6   19.9 1748 50.4   5.8 0037 53.2   0.6 - 97   8 56   37 - - - 0.00 0.08 - - 30
Sexton Valley (Jacqueline's Blk) 8/28/26 74.5   14.3 1801 46.4   4.7 0059 54.0   1.9 84 96   4 56   25 0.7 7.0   3.0 0840 0.00 0.09 - - 40
Sebastopol Hills (Burnside Rd) 8/28/26 71.7   12.5 1753 52.2   4.7 0036 54.3   1.7 84 97   8 58   24 1.4 7.6   6.3 0836 0.00 0.00 - - 80
Pleasant Hill 8/28/26 71.6   19.4 1800 46.9   6.0 0055 52.3   1.9 - 95   1 55   26 1.5 9.1   3.1 0904 0.00 0.05 - - 80
Seaview/Fort Ross (Hirsch) 8/28/26 73.2   13.6 0933 60.4   3.2 0018 42.4   6.6 44 69   1 13   6 2.5 8.8   2.8 1744 0.00 0.06 0.113   0.092 327   240 70
Max   77.2 - 60.4 - 58.5 95 100 66 2.9 12.2 - 0.00 0.11 0.113 327 -
Avg   - - - - 51.9 77 - - 1.5 - - - - - - -
Min   70.2 - 45.4 - 5.1 42 69 0 0.0 0.0 - 0.00 0.00 0.033 79 -

Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 8/29/26 7:07 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 8/28/26 72.4   18.7 1831 54.1   6.9 0011 47.4   2.3 90   17 22   3 1.6   0.6 7.5   3.2 0101 NW | 324 0.00 0.01 0.061   0.091 171   220 80   10
Lower Bennett Valley 8/28/26 74.2   18.7 1817 44.2   5.6 0039 52.0   0.0 96   1 48   23 2.3   0.9 13.6   1.3 1226 SSE | 154 0.00 0.00 0.076   0.123 230   289 70   10
Kenwood (Wildwood) 8/28/26 75.6   20.6 1824 52.2   0.6 2318 51.9   2.6 91   1 39   22 2.2   0.7 8.7   6.6 1330 NNW | 335 0.00 0.00 0.079   0.132 230   328 0   0
Sonoma Valley (Bedrock) 8/28/26 74.6   21.1 1530 50.2   2.2 0037 50.6   1.9 91   2 46   34 - - - - 0.00 0.00 - - 60   10
Sonoma-West (Arnold) 8/28/26 75.1   19.4 1818 47.3   3.9 0101 50.9   1.3 88   1 45   24 2.1   1.3 15.9   4.8 1406 SW | 235 0.00 0.00 0.089   0.136 246   304 0   0
Sonoma Valley HS 8/28/26 73.3   19.7 1837 52.0   2.8 0051 55.0   0.3 96   2 55   27 1.6   0.5 8.2   3.4 1711 WSW | 254 0.00 0.00 0.073   0.115 220   300 60   10
Sonoma East (Bundschu01) 8/28/26 73.4   18.7 1841 49.6   3.1 0059 52.6   0.9 91   0 48   26 2.1   1.1 14.0   4.2 1410 WNW | 283 0.00 0.00 0.075   0.126 212   304 60   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) 8/28/26 78.2   14.1 1854 51.4   1.0 0056 52.5   0.5 88   2 40   19 1.9   0.5 10.8   4.7 1408 SW | 222 0.00 0.00 - - 60   10
Ricci Vineyards (Carneros) 8/28/26 75.4   15.1 1844 53.0   0.5 2355 52.7   0.2 90   2 43   18 2.7   0.9 13.5   2.2 1425 WNW | 289 0.00 0.01 0.081   0.119 224   290 70   10
Carneros (Ranch 71) 8/28/26 72.8   16.2 1819 55.3   5.0 0052 52.8   0.6 86   6 47   23 2.7   0.6 14.9   3.8 1146 W | 267 0.00 0.00 0.076   0.120 209   319 60   10
Carneros Upper (Ranch 81) 8/28/26 74.2   15.0 1824 56.6   2.7 0059 53.0   1.4 - - 4.1   1.9 19.4   0.0 1413 SW | 230 - - - - 60   10
Carneros Lower (Ranch 81) 8/28/26 77.4   11.8 1618 50.8   4.0 0059 53.7   0.7 90   10 45   44 0.6   1.4 9.6   4.3 1849 S | 170 0.00 0.00 0.007   0.029 0   0 60   10
Rohnert Park-West (Stony Point) 8/28/26 71.1   14.7 1811 48.1   0.8 2247 53.9   0.7 95   2 59   20 1.1   0.6 11.0   2.6 1139 SW | 221 0.00 0.00 - - 70   10
Cartograph Wines Base 8/28/26 70.6   11.5 1753 52.6   2.1 2336 54.4   1.9 97   2 64   18 3.0   1.5 13.2   10.2 1217 SSW | 200 0.00 0.08 0.057   0.125 210   353 80   10
Cartograph Wines Remote 8/28/26 72.3   12.5 1811 51.4   1.2 2223 - - - - - - - - - - - 70   10
Rice-Spivak Vineyard 8/28/26 73.6   11.7 1756 48.4   0.8 2231 - - - - - - - - - - - 50   10
Penngrove (Asellus) 8/28/26 70.4   17.7 1830 47.8   3.6 0050 52.2   0.1 96   0 54   26 1.9   0.6 9.2   3.3 1153 WNW | 289 0.00 0.00 - - 70   10
Petaluma (Ranch 10) 8/28/26 71.1   19.4 1811 48.0   3.3 0101 52.7   0.5 92   3 53   27 1.6   0.7 10.3   2.2 1220 NW | 306 0.00 0.00 0.070   0.125 221   328 60   10
Max   78.2 - 56.6 - 55.0 97 64 4.1 19.4 - - 0.00 0.08 0.089 246 -
Avg   - - - - 52.4 - - 2.1 - - - - - - - -
Min   70.4 - 44.2 - 47.4 86 22 0.6 7.5 - - 0.00 0.00 0.007 0 -