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Latest Observation

25 Stations

Daily Data | America/Los_Angeles
as of 9/4/26 12:50 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) 9/3/26 63.5   7.0 1336 50.3   1.3 0054 52.8   1.3 90   8 100   0 64   19 4.9   0.5 19.1   1.1 1901 NW | 321 0.18 0.33 0.068   0.066 240   242 20   10
Rockpile Lower (Cooley) 9/3/26 67.1   5.2 1322 54.6   0.1 2326 54.1   1.1 85   5 100   0 60   16 3.9   0.9 16.3   0.1 1611 WNW | 298 0.18 0.33 - - 20   10
Cloverdale-East (Ranch 83) 9/3/26 71.6   4.8 1352 50.4   4.7 0059 44.1   4.4 - - - 2.1   0.1 10.6   5.7 0906 SSW | 212 0.06 0.12 0.082   0.029 223   121 50   10
Cloverdale-SE (Ranch 38) 9/3/26 70.8   5.5 1317 55.0   1.4 0059 55.9   1.3 83   6 98   0 54   12 4.7   0.0 15.4   1.2 1357 SSE | 159 0.04 0.11 0.067   0.039 182   142 0   0
Geyserville-North (Hoffman) 9/3/26 72.8   6.7 1355 54.5   2.4 0059 57.2   0.9 82   5 97   0 53   11 2.5   0.5 10.9   2.8 1136 SE | 132 0.00 0.00 0.060   0.056 160   210 20   10
Geyserville (Ranch 3) 9/3/26 73.1   2.6 1351 54.5   2.8 0055 57.1   1.4 82   6 100   0 48   9 2.6   0.5 11.3   0.8 1234 SW | 235 0.04 0.13 0.064   0.054 175   195 60   10
Geyserville-East (Ranch 40) 9/3/26 70.2   4.8 1420 55.5   1.6 0034 56.6   1.3 87   7 99   0 57   15 4.9   1.0 17.5   1.5 1657 SSE | 167 0.03 0.12 0.055   0.059 156   222 0   0
Geyserville-South (Nervo Station) 9/3/26 71.5   4.8 1421 55.1   2.4 0051 - - - - 1.8   0.5 10.1   3.4 2358 WSW | 240 0.07 0.21 - - 0   0
Peterson (Ranch 09) 9/3/26 69.8   5.1 1325 52.8   2.3 0101 56.6   2.1 84   8 96   0 51   13 2.3   0.3 12.2   1.1 1350 SSW | 203 0.06 0.20 0.064   0.055 188   200 50   10
Crazy Creek Ranch 9/3/26 70.6   6.0 1404 53.2   2.3 0101 58.4   1.8 87   9 97   0 62   17 1.7   0.2 11.4   0.3 1646 ESE | 120 0.07 0.22 0.056   0.063 166   231 10   10
Whitton Ranch (201e) 9/3/26 73.7   4.5 1351 53.5   0.5 2324 57.5   2.0 85   8 100   0 50   13 1.9   0.3 11.6   1.5 1409 SSW | 203 0.08 0.29 0.066   0.052 189   174 50   10
Lytton East (Shop Hill Bottom) 9/3/26 72.7   3.1 1321 53.7   1.5 0059 56.9   2.2 84   8 100   0 52   14 2.7   0.2 12.2   1.0 1645 SSE | 160 0.08 0.27 0.070   0.057 206   207 10   10
Lytton East (Hill 5) 9/3/26 71.9   4.3 1322 55.6   1.2 0101 57.0   2.2 85   8 98   0 54   16 4.0   0.1 16.8   2.7 1353 SSE | 163 0.08 0.25 0.069   0.054 186   195 0   0
Lytton West Lower (Lew 6) 9/3/26 72.3   3.2 1320 51.6   4.5 0049 57.0   1.8 84   7 100   0 52   12 2.4   0.4 11.9   1.2 1433 SW | 214 0.08 0.28 0.072   0.054 203   197 10   10
Lytton West Hill (23PS) 9/3/26 72.7   3.3 1400 55.7   2.1 0044 57.8   1.9 85   7 100   0 53   10 2.6   0.4 12.6   0.4 1418 WSW | 244 0.08 0.26 0.073   0.046 219   170 20   10
Big River 9/3/26 68.9   4.7 1437 54.8   2.0 0059 58.6   1.6 90   8 99   0 67   17 2.5   0.2 13.7   1.6 1644 S | 170 0.09 0.28 0.065   0.056 209   209 30   10
Jimtown-North (Piccolo Ranch 15) 9/3/26 71.4   5.0 1405 51.2   4.0 0055 57.6   2.5 86   10 100   0 55   16 1.4   0.3 12.5   0.2 1405 SSW | 198 0.04 0.19 0.057   0.037 159   116 10   10
HWY 128/Chalk Hill Rd (Landslide) 9/3/26 70.6   5.1 1405 52.8   2.2 0059 57.4   1.9 86   9 96   0 61   18 2.2   0.7 13.5   0.5 1605 SSE | 148 0.13 0.31 0.053   0.065 150   219 10   10
N Chalk Hill Rd (Ranch 63) 9/3/26 70.5   3.7 1351 51.7   1.4 0059 56.4   1.7 88   7 100   0 62   15 2.2   0.0 11.6   2.0 1618 S | 191 0.09 0.28 0.059   0.048 184   168 20   10
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) 9/3/26 69.1   5.9 1408 51.8   0.2 0038 55.8   2.5 87   9 97   1 54   15 2.0   0.8 13.5   1.7 1415 WSW | 252 0.12 0.26 0.066   0.059 205   198 0   0
Red Tail 9/3/26 69.7   5.3 1354 53.1   0.7 0045 57.0   1.4 87   8 93   0 63   14 2.6   0.3 14.3   0.5 1619 E | 101 0.11 0.28 0.068   0.061 214   218 30   10
Franz Valley (Stornetta) 9/3/26 68.5   5.8 1413 53.7   1.6 0101 57.0   3.2 - 99   0 62   21 1.3   0.2 10.4   2.3 1108 SSE | 152 0.26 0.42 - - 0   0
Upper Dry Creek Valley 9/3/26 72.0   4.2 1410 52.6   2.1 0059 56.3   1.4 80   5 97   0 48   9 2.4   0.0 12.2   0.0 1225 W | 265 0.05 0.14 0.079   0.027 224   106 80   20
Lower Dry Creek Valley 9/3/26 72.4   3.7 1309 53.7   2.0 0049 58.0   2.5 86   9 100   0 49   11 0.9   0.9 14.2   0.6 1652 SE | 146 0.08 0.26 0.067   0.052 200   189 30   10
Max   73.7 - 55.7 - 58.6 90 100 67 4.9 19.1 - - 0.26 0.42 0.082 240 -
Avg   - - - - 56.2 85 - - 2.6 - - - - - - - -
Min   63.5 - 50.3 - 44.1 80 93 48 0.9 10.1 - - 0.00 0.00 0.053 150 -

Sonoma County-Central Daily Obs

37 Stations

Daily Data | America/Los_Angeles
as of 9/4/26 12:50 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) 9/3/26 71.0   3.7 1323 55.8   2.3 0052 56.6   0.5 82 86   1 65   13 0.0 0.0   0.0 0101 0.18 0.49 0.061   0.053 204   203 0
Windsor-East (Ranch 16) 9/3/26 70.4   5.1 1320 53.9   2.9 0056 58.2   2.6 88 100   4 57   16 2.9 12.8   3.7 1340 0.08 0.23 0.051   0.080 151   257 60
Mark West-North (Ranch 14) 9/3/26 70.6   4.8 1333 53.8   5.1 0059 58.1   2.7 87 97   0 57   17 1.6 9.4   2.1 1549 0.11 0.24 - - 0
Windsor-SE (Silk Rd) 9/3/26 71.4   2.5 1327 53.6   3.7 0035 58.3   1.7 88 98   0 59   14 2.0 11.0   2.1 1402 0.10 0.32 0.062   0.067 192   238 60
Fulton-NW (Ranch 5) 9/3/26 69.8   4.4 1316 54.2   3.4 0056 45.4   5.5 74 100   0 3   0 3.5 10.5   2.5 1703 0.12 0.23 0.075   0.062 173   266 60
Bisordi (Fulton) 9/3/26 69.5   4.2 1315 52.1   3.6 0058 58.8   1.3 90 95   0 70   16 2.2 11.6   1.4 1202 0.14 0.22 0.051   0.079 162   281 60
Windsor-South (Laughlin Rd) 9/3/26 71.2   3.5 1332 56.0   2.7 0058 57.3   1.3 85 100   6 0   44 - - - 0.06 0.17 - - 50
Fulton-SE (Barnes Rd) 9/3/26 70.0   4.5 1317 55.0   4.9 0059 58.8   2.2 88 96   1 62   15 1.4 12.3   2.2 1103 0.18 0.28 - - 60
Fulton-SW (Ranch 21) 9/3/26 70.0   3.0 1340 52.8   4.9 0059 29.0   14.6 65 100   0 0   0 2.8 12.4   3.4 1403 0.11 0.20 0.079   0.069 172   287 60
NW Santa Rosa (Piner Road) 9/3/26 69.9   4.2 1339 53.6   2.8 0047 60.8   1.4 97 100   0 71   17 2.0 12.9   0.3 1300 0.00 0.00 - - 60
River Rd South (Denner Ranch) 9/3/26 69.2   4.4 1347 54.2   1.8 0059 -36.6   30.0 14 100   0 0   0 4.2 14.0   2.4 1357 - - - - 70
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) 9/3/26 75.2   1.8 1308 54.5   2.3 0057 59.1   2.1 89 98   1 55   11 - - - 0.08 0.21 - - 20
SunnyView Vineyard (SCWC) 9/3/26 70.3   3.5 1340 51.6   3.0 0051 57.8   2.3 89 100   5 60   13 1.8 10.5   3.1 1249 0.18 0.26 0.053   0.068 167   228 70
Guerneville Rd West (Balletto) 9/3/26 70.7   2.7 1334 54.0   2.9 0047 59.7   1.8 92 100   0 67   12 2.6 10.9   1.9 1335 0.19 0.42 - - 60
Sanchietti Ranch 9/3/26 71.6   2.9 1310 53.8   3.0 0057 59.9   1.2 - 96   0 68   10 3.0 12.9   2.1 1050 0.20 0.27 - - 90
Occidental Rd (Sebastopol) 9/3/26 70.7   3.7 1420 54.0   3.1 0053 62.2   1.0 100 100   0 92   29 2.2 11.8   5.0 1327 0.14 0.20 - - 60
Harper's Rest (Windsor-West) 9/3/26 72.9   2.8 1357 52.4   3.4 0057 57.0   1.8 - 96   0 54   12 1.4 10.1   4.5 1327 0.14 0.45 - - 20
Lower Westside Rd (Ranch 12) 9/3/26 70.4   2.8 1335 53.6   2.0 0041 58.0   1.9 88 100   0 60   13 1.7 14.0   2.4 1405 0.14 0.45 - - 60
Guerneville (Laughlin Rd) 9/3/26 69.5   2.9 1322 53.9   1.6 0033 58.0   1.6 88 97   0 67   18 2.2 12.9   3.1 1345 0.40 0.81 - - 60
Korbel (Winery) 9/3/26 70.7   1.3 1327 55.2   1.4 0037 58.5   1.4 87 98   1 65   11 0.9 12.6   1.1 1316 0.31 0.52 - - 60
Forestville (Shone Farms) 9/3/26 70.4   3.7 1328 56.0   1.1 0059 58.5   1.7 88 98   0 63   14 2.0 11.6   2.6 1253 0.10 0.42 0.063   0.062 200   218 60
Forestville-NE (Ranch 30) 9/3/26 70.7   3.5 1343 54.3   0.4 0047 58.6   1.5 90 99   0 66   15 2.5 12.0   2.8 1350 0.10 0.39 0.063   0.067 206   239 10
Foggy Bend (Ranch 41) 9/3/26 69.9   3.3 1346 56.8   0.8 0005 58.9   1.4 88 97   1 68   12 2.3 12.8   3.5 1248 0.13 0.42 0.068   0.059 222   222 60
Last Stop 9/3/26 69.8   2.7 1340 56.5   1.6 2255 58.0   1.7 86 96   0 65   15 1.8 12.6   1.5 1329 0.10 0.39 0.071   0.055 231   208 0
Green Valley Vineyard 9/3/26 69.9   2.3 1318 55.3   0.0 0052 58.1   1.7 88 98   0 64   13 2.3 16.0   1.3 1020 0.15 0.56 0.058   0.011 176   9 60
Park Royal 9/3/26 70.4   3.5 1313 53.2   4.5 0059 58.4   2.5 89 97   0 60   12 - - - 0.15 0.20 - - 60
Merino 9/3/26 72.7   4.4 1314 52.4   3.2 0059 60.0   1.8 93 99   1 65   15 1.8 10.3   1.5 1331 0.25 0.32 0.056   0.074 184   252 90
Green Valley (Sanchietti) 9/3/26 71.4   3.1 1332 53.6   1.5 2359 - - - - - - - - - - - 60
Keefer Ranch (Green Valley) 9/3/26 70.5   2.8 1338 54.2   1.0 0051 58.7   1.8 88 96   0 66   12 - - - 0.16 0.48 - - 30
Graton-West (Dutton Ranch) 9/3/26 72.4   1.1 1343 55.0   0.8 0038 62.5   1.7 99 100   0 82   25 1.8 10.2   1.1 1151 0.27 0.61 - - 60
Graton-South (Mill Station Rd) 9/3/26 69.6   1.3 1339 54.4   0.6 0049 59.0   2.2 91 97   0 67   13 1.0 7.5   1.9 0935 0.24 0.40 - - 10
Occidental (Horseshoe Bend) 9/3/26 67.2   1.5 1341 53.7   3.5 0059 59.0   1.8 - 100   0 74   15 - - - 0.36 0.75 - - 30
Sexton Valley (Jacqueline's Blk) 9/3/26 70.8   1.5 1306 54.7   0.4 0101 60.2   2.0 93 98   0 70   12 1.4 12.1   1.5 1208 0.01 0.24 - - 40
Sebastopol Hills (Burnside Rd) 9/3/26 67.3   2.0 1341 55.6   2.4 0059 59.8   1.6 96 100   0 75   11 3.3 16.0   2.6 0944 0.00 0.00 - - 60
Pleasant Hill 9/3/26 72.4   1.7 1359 55.4   0.9 0101 59.0   1.8 - 96   0 60   9 2.3 11.8   1.7 1206 0.28 0.49 - - 70
Seaview/Fort Ross (Hirsch) 9/3/26 60.9   3.8 1606 52.5   2.3 0057 55.8   0.9 96 97   0 84   13 2.4 14.6   1.1 0649 0.00 0.06 0.055   0.045 211   185 10
Max   75.2 - 56.8 - 62.5 100 100 92 4.2 16.0 - 0.40 0.81 0.079 231 -
Avg   - - - - 54.8 86 - - 2.1 - - - - - - -
Min   60.9 - 51.6 - -36.6 14 86 0 0.0 0.0 - 0.00 0.00 0.051 151 -

Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 9/4/26 12:50 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 9/3/26 66.9   5.2 1342 55.3   1.1 0114 57.0   1.9 98   0 70   24 1.2   0.6 9.3   1.3 0943 S | 181 0.00 0.01 0.027   0.049 90   158 70   10
Lower Bennett Valley 9/3/26 66.2   7.3 1442 51.6   0.1 0027 58.6   3.1 100   0 79   33 2.0   0.9 11.0   3.5 1155 WNW | 285 0.33 0.39 0.038   0.075 128   247 60   10
Kenwood (Wildwood) 9/3/26 67.7   7.2 1401 56.0   3.2 0101 58.2   3.3 100   3 75   32 1.6   0.5 10.9   4.5 1506 NNW | 347 0.15 0.21 0.044   0.063 149   200 0   10
Sonoma Valley (Bedrock) 9/3/26 65.7   8.5 1401 54.6   2.0 0214 57.2   3.5 95   0 83   41 - - - - 0.20 0.29 - - 60   10
Sonoma-West (Arnold) 9/3/26 67.6   9.5 1437 56.1   3.4 0102 58.1   3.8 93   1 76   37 2.0   1.1 12.9   3.2 1500 SSW | 213 0.28 0.34 0.048   0.093 150   287 0   10
Sonoma Valley HS 9/3/26 66.4   10.1 1123 55.6   1.1 0129 60.0   3.2 100   1 83   36 1.4   0.2 5.2   5.2 1816 N | 353 0.00 0.01 0.037   0.067 123   220 60   10
Sonoma East (Bundschu01) 9/3/26 68.6   7.5 1244 51.3   0.2 0108 58.1   4.0 94   2 74   33 2.3   0.7 14.5   2.0 1047 SSE | 166 0.18 0.23 0.043   0.062 122   191 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) 9/3/26 69.2   9.9 1307 52.2   1.2 0104 58.0   4.1 93   2 71   35 1.8   0.9 12.8   2.0 1247 S | 171 0.17 0.17 - - 80   10
Ricci Vineyards (Carneros) 9/3/26 69.1   8.1 1326 54.1   2.1 0132 58.0   3.1 94   0 70   30 4.2   0.2 16.1   0.6 1109 S | 188 0.08 0.11 0.057   0.054 156   167 90   10
Carneros (Ranch 71) 9/3/26 67.9   6.9 1245 57.4   0.7 0134 58.0   2.8 95   1 72   29 3.6   0.8 15.0   5.5 1111 S | 171 0.06 0.07 0.046   0.056 131   155 30   10
Carneros Upper (Ranch 81) 9/3/26 67.4   8.6 1246 57.1   0.5 0116 43.5   11.0 - - 6.0   0.9 23.3   1.4 1053 SW | 224 - - - - 30   10
Carneros Lower (Ranch 81) 9/3/26 68.4   11.8 1311 53.7   1.7 0133 31.1   24.3 100   0 0   0 1.1 14.2   2.8 1012 SSW | 192 0.00 0.00 0.007   0.003 2   1 60   10
Rohnert Park-West (Stony Point) 9/3/26 68.7   3.8 1440 53.7   0.9 0059 59.8   2.0 99   1 74   17 1.7   0.8 13.0   5.0 1142 SSW | 208 0.14 0.18 - - 60   10
Cartograph Wines Base 9/3/26 68.3   2.9 1356 56.6   1.2 0055 59.6   1.3 97   0 82   18 3.9   0.2 19.1   2.4 1133 S | 184 0.13 0.30 0.054   0.063 196   228 50   10
Cartograph Wines Remote 9/3/26 69.5   1.3 1436 55.5   0.8 0101 - - - - - - - - - - - 40   10
Rice-Spivak Vineyard 9/3/26 69.4   4.0 1405 56.5   5.2 0101 - - - - - - - - - - - 50   10
Penngrove (Asellus) 9/3/26 68.7   6.1 1410 57.4   3.2 0109 58.5   2.9 96   1 70   27 2.7   0.6 12.0   3.6 1511 WNW | 290 0.23 0.24 - - 60   10
Petaluma (Ranch 10) 9/3/26 68.2   8.0 1238 57.9   6.2 0147 58.7   3.0 93   0 76   36 1.4   0.6 9.4   5.2 1300 WSW | 242 0.06 0.09 0.039   0.076 119   244 60   10
Max   69.5 - 57.9 - 60.0 100 83 6.0 23.3 - - 0.33 0.39 0.057 196 -
Avg   - - - - 55.8 - - 2.5 - - - - - - - -
Min   65.7 - 51.3 - 31.1 93 0 1.1 5.2 - - 0.00 0.00 0.007 2 -