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Latest Observation

25 Stations

Daily Data | America/Los_Angeles
as of 9/17/26 9:17 AM PDT
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) 9/16/26 76.5   10.3 1500 47.6   5.1 0041 47.6   3.2 71   26 100   18 38   22 7.0   1.7 21.3   3.3 1410 S | 190 0.00 0.33 0.164   0.052 551   8 90   20
Rockpile Lower (Cooley) 9/16/26 80.6   9.4 1509 48.1   3.3 0644 49.8   3.9 76   27 100   7 34   19 2.6   0.1 15.1   0.6 1702 WNW | 288 0.00 0.33 - - 50   10
Cloverdale-East (Ranch 83) 9/16/26 80.6   10.3 1517 53.5   9.0 0627 51.2   3.4 - - - 3.3   0.7 19.5   0.9 1649 SE | 144 0.00 0.12 0.151   0.037 467   55 80   20
Cloverdale-SE (Ranch 38) 9/16/26 78.1   10.3 1542 52.0   0.8 0752 51.8   2.2 74   15 93   0 41   14 5.5   0.1 24.8   2.4 1632 ESE | 117 0.00 0.11 0.145   0.047 439   14 40   10
Geyserville-North (Hoffman) 9/16/26 79.8   8.8 1414 53.4   9.1 2325 53.0   2.8 71   6 90   2 41   14 2.8   0.2 17.9   2.5 1606 SE | 145 0.00 0.00 0.144   0.029 461   31 20   20
Geyserville (Ranch 3) 9/16/26 78.6   10.1 1514 53.0   7.5 0029 51.1   2.7 68   6 86   2 36   13 2.8   0.3 15.2   0.7 1542 ESE | 119 0.00 0.13 0.139   0.033 424   52 50   20
Geyserville-East (Ranch 40) 9/16/26 77.8   8.2 1441 52.4   0.0 0543 52.2   1.0 78   12 96   1 41   13 6.2   0.4 25.3   2.0 1545 SSW | 198 0.00 0.12 0.142   0.050 450   53 10   10
Geyserville-South (Nervo Station) 9/16/26 78.0   9.4 1443 52.8   2.5 0032 - - - - 2.7   0.1 15.8   0.0 1627 SE | 134 0.00 0.21 - - 20   10
Peterson (Ranch 09) 9/16/26 77.2   9.4 1458 50.8   7.0 0026 50.3   2.9 69   6 90   1 37   13 2.7   0.3 14.4   1.6 1638 SSE | 167 0.00 0.20 0.138   0.030 455   48 20   20
Crazy Creek Ranch 9/16/26 77.4   10.7 1448 52.2   7.7 2345 52.7   2.5 73   5 91   7 43   14 2.4   0.5 15.2   1.3 1556 SSE | 162 0.00 0.23 0.141   0.031 474   58 0   10
Whitton Ranch (201e) 9/16/26 78.8   9.7 1451 47.2   7.3 0058 51.2   3.0 71   3 96   4 37   13 2.4   0.1 14.9   2.6 1554 SE | 134 0.00 0.29 0.128   0.027 386   43 10   10
Lytton East (Shop Hill Bottom) 9/16/26 78.2   8.8 1444 48.5   4.0 0047 50.4   1.4 70   3 94   3 36   13 3.0   0.1 18.1   1.5 1602 SSE | 147 0.00 0.27 0.153   0.032 496   34 30   10
Lytton East (Hill 5) 9/16/26 76.7   10.3 1454 51.9   3.8 0032 50.9   0.9 71   4 92   2 39   15 4.2   0.1 20.9   1.2 1608 SE | 133 0.00 0.25 0.140   0.036 428   37 20   10
Lytton West Lower (Lew 6) 9/16/26 77.2   9.9 1437 47.8   4.4 0101 50.7   1.7 70   3 93   7 39   14 2.8   0.1 15.4   2.4 1607 SE | 124 0.00 0.28 0.149   0.031 488   46 30   10
Lytton West Hill (23PS) 9/16/26 76.5   9.5 1434 52.3   3.0 0052 51.4   1.3 71   5 90   1 40   13 3.2   0.1 16.8   0.1 1629 S | 178 0.00 0.26 0.153   0.032 503   41 70   10
Big River 9/16/26 75.9   9.7 1433 51.9   3.3 0041 52.6   1.1 75   4 94   3 44   13 2.6   0.0 15.5   0.2 1636 S | 190 0.00 0.28 0.143   0.032 489   54 80   10
Jimtown-North (Piccolo Ranch 15) 9/16/26 77.6   11.1 1509 50.8   8.4 0009 49.9   3.8 67   6 90   10 35   13 1.7   0.4 15.4   1.1 1705 ESE | 105 0.00 0.20 0.121   0.024 400   50 0   10
HWY 128/Chalk Hill Rd (Landslide) 9/16/26 77.6   11.0 1429 50.4   7.1 2359 51.4   2.6 70   3 92   2 38   13 2.4   0.4 15.4   1.2 1614 S | 182 0.00 0.31 0.125   0.027 397   48 30   10
N Chalk Hill Rd (Ranch 63) 9/16/26 76.8   9.2 1423 49.0   7.5 0028 50.7   3.2 70   5 92   5 38   12 2.7   0.4 16.5   0.7 1649 S | 182 0.00 0.29 0.128   0.028 407   50 10   10
Newman Knights Valley 9/16/26 76.0 1458 54.0 0700 52.9 70 83 55 3.1 14.2 1606 SSE | 165 0.00 0.25 - - 0
Knights Valley (Bavarian Lion) 9/16/26 75.7   11.5 1421 51.1   9.8 2255 50.4   3.5 72   6 93   4 38   15 2.6   0.4 14.2   1.5 1517 SSW | 195 0.00 0.26 0.131   0.038 432   74 0   10
Red Tail 9/16/26 75.8   10.2 1429 48.8   4.2 0058 52.2   2.2 74   5 91   3 46   16 3.3   0.5 20.2   4.9 1614 E | 96 0.00 0.29 0.135   0.036 454   64 90   10
Franz Valley (Stornetta) 9/16/26 75.5   10.9 1353 51.7   9.6 0059 51.0   3.4 - 89   3 41   14 3.0   1.5 21.3   7.8 1603 SSE | 153 0.00 0.43 - - 60   10
Upper Dry Creek Valley 9/16/26 79.4   9.6 1510 52.8   8.0 2317 51.6   2.4 69   5 90   4 38   12 2.7   0.1 15.7   0.1 1640 ESE | 119 0.00 0.14 0.156   0.030 498   35 40   10
Lower Dry Creek Valley 9/16/26 77.8   8.5 1457 49.0   4.4 0059 50.9   2.0 69   4 98   2 39   12 2.0   0.8 16.4   1.8 1710 ESE | 115 0.00 0.26 0.144   0.031 461   37 50   10
Max   80.6 - 54.0 - 53.0 78 100 55 7.0 25.3 - - 0.00 0.43 0.164 551 -
Avg   - - - - 51.2 71 - - 3.2 - - - - - - - -
Min   75.5 - 47.2 - 47.6 67 83 34 1.7 14.2 - - 0.00 0.00 0.121 386 -

Sonoma County-Central Daily Obs

37 Stations

Daily Data | America/Los_Angeles
as of 9/17/26 9:17 AM PDT
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) 9/16/26 78.4   9.1 1433 52.7   3.7 0026 52.6   1.1 73 84   2 46   12 0.0 0.0   5.8 0101 0.00 0.50 0.130   0.014 481   33 0
Windsor-East (Ranch 16) 9/16/26 74.1   10.1 1347 52.4   7.9 0054 51.8   2.5 72 91   4 44   15 4.0 16.1   0.8 1628 0.00 0.23 0.145   0.029 480   41 90
Mark West-North (Ranch 14) 9/16/26 75.4   9.3 1326 54.0   7.6 0050 51.4   2.0 71 91   3 41   12 2.2 14.5   1.5 1417 0.00 0.24 - - 50
Windsor-SE (Silk Rd) 9/16/26 75.0   8.8 1452 49.5   6.0 0017 51.8   2.1 73 95   1 44   14 2.3 12.1   0.1 1550 0.00 0.32 0.137   0.020 471   38 90
Fulton-NW (Ranch 5) 9/16/26 73.8   9.5 1326 50.9   5.6 0032 52.1   2.4 74 93   0 46   13 3.6 17.6   1.9 1520 0.00 0.23 0.143   0.026 487   41 90
Bisordi (Fulton) 9/16/26 74.1   9.9 1444 51.0   7.8 0046 53.4   2.7 76 92   1 53   15 2.4 13.0   0.0 1528 0.00 0.22 0.142   0.027 500   57 90
Windsor-South (Laughlin Rd) 9/16/26 76.2   8.9 1314 52.9   6.6 0043 51.8   1.2 72 92   2 41   12 - - - 0.00 0.17 - - 70
Fulton-SE (Barnes Rd) 9/16/26 73.4   10.0 1329 53.5   7.3 0042 52.4   1.9 73 91   1 49   15 1.8 16.1   2.5 1519 0.00 0.29 - - 90
Fulton-SW (Ranch 21) 9/16/26 73.1   11.1 1423 52.1   6.8 0049 52.1   2.2 74 94   0 47   14 3.2 16.6   1.6 1610 0.00 0.20 0.145   0.028 503   53 90
NW Santa Rosa (Piner Road) 9/16/26 72.6   10.1 1319 49.8   6.3 0030 55.7   2.9 85 100   0 55   14 2.1 15.4   0.3 1600 0.00 0.00 - - 90
River Rd South (Denner Ranch) 9/16/26 73.6   8.6 1257 49.3   6.0 0028 28.8   43.2 58 100   0 0   0 4.1 18.4   0.7 1501 - - - - 100
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) 9/16/26 78.2   10.0 1428 48.5   4.8 0040 52.1   1.7 72 97   0 42   10 - - - 0.00 0.24 - - 10
SunnyView Vineyard (SCWC) 9/16/26 74.2   9.1 1314 47.2   5.1 0052 51.0   2.3 73 94   1 45   13 2.2 11.9   1.1 1600 0.00 0.27 0.127   0.014 434   16 90
Guerneville Rd West (Balletto) 9/16/26 73.0   8.8 1415 48.9   4.3 0041 53.2   1.9 78 93   2 54   13 2.9 14.8   0.3 1541 0.00 0.43 - - 80
Sanchietti Ranch 9/16/26 73.8   9.4 1247 49.3   5.1 0058 54.3   2.3 - 92   4 56   14 3.3 17.2   0.9 1500 0.00 0.28 - - 90
Occidental Rd (Sebastopol) 9/16/26 74.4   8.5 1242 49.6   5.9 0059 56.8   3.3 88 100   0 56   16 2.9 18.4   2.2 1520 0.00 0.20 - - 90
Harper's Rest (Windsor-West) 9/16/26 76.8   8.5 1523 49.2   3.5 2349 50.4   0.7 - 94   3 40   14 1.8 11.0   0.8 1423 0.00 0.45 - - 70
Lower Westside Rd (Ranch 12) 9/16/26 75.9   9.2 1424 49.7   5.4 0007 51.3   1.4 72 93   5 43   13 2.2 14.8   1.8 1656 0.00 0.45 - - 90
Guerneville (Laughlin Rd) 9/16/26 74.0   9.5 1230 47.5   3.9 0059 50.9   2.2 74 93   4 45   12 2.6 16.4   1.6 1520 0.00 0.81 - - 90
Korbel (Winery) 9/16/26 74.5   9.9 1249 50.0   4.0 0101 51.9   1.7 75 95   2 45   12 1.3 14.4   4.2 1415 0.00 0.52 - - 90
Forestville (Shone Farms) 9/16/26 76.3   8.3 1510 50.5   3.4 0010 52.3   1.0 74 93   2 46   12 2.1 13.6   0.3 1646 0.00 0.43 0.138   0.024 470   37 90
Forestville-NE (Ranch 30) 9/16/26 76.0   8.3 1333 48.8   4.6 2356 52.8   1.0 77 95   3 48   10 2.8 14.2   1.8 1629 0.00 0.40 0.140   0.031 482   45 0
Foggy Bend (Ranch 41) 9/16/26 75.5   9.1 1346 50.5   5.3 0010 53.4   0.6 77 94   3 53   11 2.5 13.4   0.4 1726 0.00 0.42 0.140   0.023 491   36 90
Last Stop 9/16/26 76.5   9.0 1312 48.8   4.9 0011 51.9   1.0 75 95   3 47   13 2.1 12.8   1.5 1345 0.00 0.39 0.136   0.029 478   45 60
Green Valley Vineyard 9/16/26 73.2   8.9 1324 49.3   2.4 0059 51.8   1.0 77 95   3 49   17 2.5 19.7   5.3 1501 0.00 0.57 0.026   0.009 2   16 90
Park Royal 9/16/26 74.4   8.6 1410 50.6   5.7 0056 51.5   1.9 72 93   0 46   15 - - - 0.00 0.21 - - 90
Merino 9/16/26 75.3   10.4 1400 47.7   6.0 0059 53.3   2.2 76 97   3 50   13 2.4 14.8   1.5 1545 0.00 0.33 0.147   0.019 500   44 90
Green Valley (Sanchietti) 9/16/26 76.3   8.1 1347 46.0   6.5 2359 - - - - - - - - - - - 90
Keefer Ranch (Green Valley) 9/16/26 73.0   7.9 1249 47.0   4.3 0055 52.2   1.4 77 95   3 51   10 - - - 0.00 0.48 - - 90
Graton-West (Dutton Ranch) 9/16/26 75.9   6.2 1246 47.5   3.7 0052 56.4   3.6 88 100   0 48   11 2.1 15.5   2.5 1824 0.00 0.61 - - 90
Graton-South (Mill Station Rd) 9/16/26 70.6   7.9 1235 52.5   10.4 0047 52.9   2.5 79 96   0 53   9 1.1 9.6   0.9 1510 0.01 0.41 - - 60
Occidental (Horseshoe Bend) 9/16/26 69.8   6.2 1237 50.6   0.4 0035 52.1   0.1 - 97   1 56   10 - - - 0.00 0.75 - - 80
Sexton Valley (Jacqueline's Blk) 9/16/26 72.4   6.8 1222 49.1   5.8 0050 53.9   1.5 81 96   4 56   8 1.7 15.8   1.8 1643 0.00 0.27 - - 80
Sebastopol Hills (Burnside Rd) 9/16/26 68.7   7.4 1214 53.1   2.4 0057 53.6   0.1 85 98   0 61   10 3.1 17.7   1.1 1510 0.00 0.00 - - 80
Pleasant Hill 9/16/26 73.2   9.1 1221 50.6   3.0 0059 52.4   0.9 - 94   4 49   12 2.8 19.4   3.6 1623 0.00 0.49 - - 100
Seaview/Fort Ross (Hirsch) 9/16/26 62.8   9.2 1459 48.9   8.2 0709 49.4   1.8 82 95   19 65   24 3.4 14.0   3.4 1641 0.00 0.07 0.124   0.028 533   8 50
Max   78.4 - 54.0 - 56.8 88 100 65 4.1 19.7 - 0.01 0.81 0.147 533 -
Avg   - - - - 51.9 76 - - 2.4 - - - - - - -
Min   62.8 - 46.0 - 28.8 58 84 0 0.0 0.0 - 0.00 0.00 0.026 2 -

Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 9/17/26 9:17 AM PDT
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 9/16/26 71.6   12.2 1341 53.0   2.7 0209 51.2   2.0 95   1 47   15 2.2   0.2 11.5   0.5 1420 SSE | 168 0.00 0.02 0.102   0.026 349   45 100   0
Lower Bennett Valley 9/16/26 72.1   13.1 1258 52.8   11.4 0050 52.7   3.2 95   5 50   20 3.9   0.9 19.1   5.6 1445 S | 174 0.00 0.39 0.130   0.030 462   36 90   10
Kenwood (Wildwood) 9/16/26 74.1   10.1 1329 53.6   9.4 0058 51.6   1.8 89   11 45   10 3.3   0.7 21.0   8.9 1632 NNW | 338 0.00 0.21 0.130   0.027 442   46 60   10
Sonoma Valley (Bedrock) 9/16/26 72.4   7.3 1323 52.9   8.9 0101 50.1   2.0 90   4 45   9 - - - - 0.00 0.29 - - 90   10
Sonoma-West (Arnold) 9/16/26 73.1   6.5 1250 57.1   11.1 0101 51.7   2.8 82   7 46   8 4.6   1.7 21.0   8.5 1504 SW | 236 0.00 0.35 0.165   0.018 559   20 80   10
Sonoma Valley HS 9/16/26 71.6   7.1 1338 56.6   9.6 0101 54.0   1.6 90   6 55   9 3.1   1.0 7.7   4.6 0023 W | 260 0.00 0.01 0.139   0.014 502   17 90   10
Sonoma East (Bundschu01) 9/16/26 73.1   5.3 1315 55.3   10.2 0101 51.9   2.2 88   6 47   8 4.2   0.5 20.4   5.3 1436 SSW | 204 0.00 0.23 0.149   0.018 506   26 90   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) 9/16/26 73.5   5.4 1324 55.3   10.3 0105 51.9   2.0 87   6 45   7 4.2   1.4 16.5   3.4 1453 WSW | 243 0.00 0.18 - - 90   10
Ricci Vineyards (Carneros) 9/16/26 73.7   2.6 1317 53.7   7.1 0148 51.8   1.5 90   3 46   4 4.6   0.5 26.1   10.1 1320 SSW | 211 0.00 0.12 0.148   0.018 492   49 100   10
Carneros (Ranch 71) 9/16/26 71.0   3.7 1335 55.3   0.6 0103 51.8   1.3 89   4 49   5 6.4   2.3 21.4   7.7 1705 W | 261 0.00 0.07 0.150   0.001 514   12 80   10
Carneros Upper (Ranch 81) 9/16/26 72.1   4.6 1354 54.8   0.4 0150 51.7   1.2 - - 9.4   3.4 30.7   12.8 1924 SW | 234 - - - - 80   10
Carneros Lower (Ranch 81) 9/16/26 79.6   1.9 1420 54.4   3.9 0648 52.8   4.9 91   9 39   39 1.3   0.5 19.4   6.4 1312 S | 185 0.00 0.01 0.017   0.008 3   3 80   10
Rohnert Park-West (Stony Point) 9/16/26 70.3   11.8 1210 54.9   14.6 0055 54.1   3.2 94   4 56   16 3.0   0.5 18.2   3.1 1637 WNW | 282 0.00 0.19 - - 80   10
Cartograph Wines Base 9/16/26 68.8   10.5 1343 55.1   5.4 0036 54.3   0.8 96   2 63   18 5.3   1.2 27.5   4.8 1457 SSW | 198 0.00 0.30 0.117   0.026 440   75 40   10
Cartograph Wines Remote 9/16/26 71.1   10.4 1140 54.2   8.0 0057 - - - - - - - - - - - 80   10
Rice-Spivak Vineyard 9/16/26 73.4   9.6 1157 55.2   16.1 0048 - - - - - - - - - - - 80   10
Penngrove (Asellus) 9/16/26 71.4   14.0 1234 53.9   11.6 0056 52.2   2.6 94   3 49   20 2.8   0.7 15.9   2.1 1249 SSE | 152 0.02 0.57 - - 50   10
Petaluma (Ranch 10) 9/16/26 71.7   13.6 1158 55.5   11.4 0012 52.3   2.4 91   3 50   18 3.0   1.3 15.8   2.7 1559 WSW | 244 0.00 0.09 0.126   0.026 419   71 90   10
Max   79.6 - 57.1 - 54.3 96 63 9.4 30.7 - - 0.02 0.57 0.165 559 -
Avg   - - - - 52.3 - - 4.1 - - - - - - - -
Min   68.8 - 52.8 - 50.1 82 39 1.3 7.7 - - 0.00 0.01 0.017 3 -