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Latest Observation

25 Stations

Daily Data | America/Los_Angeles
as of 9/3/26 11:30 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) 9/2/26 70.4   0.7 1407 51.6   0.7 0105 51.5   2.2 82   3 100   0 45   3 4.4   0.2 20.2   2.4 1806 SW | 226 0.10 0.15 0.134   0.027 481   126 30   10
Rockpile Lower (Cooley) 9/2/26 72.3   0.4 1402 54.6   0.0 0001 53.0   2.7 79   7 100   8 44   3 3.0   1.4 16.1   3.5 1635 WNW | 286 0.13 0.15 - - 30   10
Cloverdale-East (Ranch 83) 9/2/26 76.3   2.3 1550 55.1   3.7 0101 48.5   2.9 - - - 2.3   0.3 16.3   2.2 1459 ESE | 112 0.06 0.06 0.111   0.005 344   26 60   20
Cloverdale-SE (Ranch 38) 9/2/26 76.3   2.4 1611 56.5   0.9 0130 54.6   2.5 77   5 98   9 42   2 4.7   1.5 16.7   1.1 1726 SSE | 156 0.06 0.07 0.106   0.011 324   65 0   0
Geyserville-North (Hoffman) 9/2/26 79.5   2.4 1629 56.8   4.7 2207 56.3   3.4 76   6 97   5 42   1 3.0   0.5 13.7   0.2 1629 NNE | 31 0.00 0.00 0.116   0.008 370   62 30   20
Geyserville (Ranch 3) 9/2/26 75.7   0.5 1707 57.3   4.5 2222 55.7   4.3 76   8 100   0 39   1 3.0   0.5 12.1   1.4 1740 WSW | 254 0.09 0.09 0.118   0.003 370   47 70   20
Geyserville-East (Ranch 40) 9/2/26 74.9   1.5 1653 57.1   4.5 0440 55.3   2.7 79   4 99   3 43   0 5.8   1.4 16.0   5.0 1348 SSW | 200 0.09 0.09 0.114   0.006 378   74 0   0
Geyserville-South (Nervo Station) 9/2/26 76.3   2.4 1619 57.5   3.4 0031 - - - - 2.4   0.1 13.5   1.7 1635 SW | 222 0.14 0.14 - - 0   0
Peterson (Ranch 09) 9/2/26 74.9   0.4 1645 55.1   5.2 2248 54.5   4.1 76   8 96   5 38   1 2.6   0.2 11.1   2.5 1748 SSW | 201 0.14 0.14 0.119   0.003 389   41 60   20
Crazy Creek Ranch 9/2/26 76.6   0.3 1707 55.6   5.9 2253 56.6   4.0 78   7 97   2 45   4 2.0   0.1 11.7   1.7 1706 S | 188 0.15 0.15 0.119   0.001 396   26 20   20
Whitton Ranch (201e) 9/2/26 78.2   0.3 1623 54.0   8.0 2217 55.6   3.9 77   6 100   0 37   1 2.3   0.3 10.0   2.0 1323 SE | 130 0.18 0.21 0.118   0.010 363   46 60   20
Lytton East (Shop Hill Bottom) 9/2/26 75.8   1.7 1606 55.2   7.4 2220 54.8   3.7 76   6 100   2 38   0 2.8   0.7 13.2   0.4 1442 SSE | 157 0.18 0.19 0.127   0.019 412   86 20   20
Lytton East (Hill 5) 9/2/26 76.2   2.5 1628 56.8   4.6 2206 54.8   3.3 76   5 98   3 38   2 4.0   0.6 14.1   3.0 1324 S | 188 0.17 0.17 0.123   0.011 381   78 0   10
Lytton West Lower (Lew 6) 9/2/26 75.5   0.6 1625 56.1   8.7 2233 55.2   4.1 77   7 100   0 40   3 2.8   0.0 13.2   2.5 1552 SSW | 205 0.19 0.20 0.126   0.011 400   72 20   20
Lytton West Hill (23PS) 9/2/26 76.0   2.6 1549 57.8   4.7 2231 55.9   3.8 78   7 100   7 43   3 2.9   0.3 13.0   0.6 1556 SW | 224 0.17 0.18 0.119   0.009 389   51 30   10
Big River 9/2/26 73.6   0.9 1652 56.8   4.8 0011 57.0   3.5 82   6 100   3 50   3 2.7   0.3 12.1   1.9 1916 SW | 232 0.19 0.19 0.121   0.016 418   88 40   10
Jimtown-North (Piccolo Ranch 15) 9/2/26 76.4   1.0 1636 55.1   6.2 2307 55.0   4.8 76   8 100   0 39   5 1.7   0.6 12.3   2.9 1716 SSW | 201 0.15 0.15 0.094   0.027 275   63 20   20
HWY 128/Chalk Hill Rd (Landslide) 9/2/26 75.7   1.0 1538 55.1   6.6 2341 55.5   3.7 78   6 96   2 43   4 2.8   0.6 13.9   1.3 1622 S | 178 0.18 0.18 0.118   0.009 369   58 20   20
N Chalk Hill Rd (Ranch 63) 9/2/26 74.2   0.2 1605 53.1   5.5 2338 54.7   3.9 82   10 100   6 47   6 2.2   0.1 13.6   0.4 1740 SW | 215 0.19 0.19 0.107   0.002 352   34 30   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) 9/2/26 75.0   0.4 1511 51.6   4.3 0101 53.3   3.3 77   6 96   0 39   2 2.8   0.2 15.2   2.2 1921 WSW | 238 0.14 0.14 0.125   0.000 403   27 0   0
Red Tail 9/2/26 74.9   2.0 1447 53.8   4.9 2331 55.6   3.1 79   4 93   0 50   2 2.9   0.2 14.8   3.2 1757 S | 184 0.16 0.17 0.129   0.010 432   62 40   10
Franz Valley (Stornetta) 9/2/26 74.3   0.6 1446 52.1   4.9 2347 53.8   3.5 - 99   5 42   2 1.6   0.3 12.7   4.4 1600 SSE | 156 0.16 0.16 - - 0   0
Upper Dry Creek Valley 9/2/26 76.2   0.2 1602 54.7   4.6 0101 55.0   3.1 75   3 97   2 39   1 2.4   0.1 12.2   4.6 1656 WNW | 286 0.08 0.09 0.106   0.012 330   24 60   20
Lower Dry Creek Valley 9/2/26 76.0   1.5 1617 55.7   7.3 0101 55.5   4.3 77   8 100   0 39   0 1.8   0.7 14.9   5.1 1720 W | 263 0.17 0.18 0.119   0.016 388   69 40   20
Max   79.5 - 57.8 - 57.0 82 100 50 5.8 20.2 - - 0.19 0.21 0.134 481 -
Avg   - - - - 54.7 78 - - 2.9 - - - - - - - -
Min   70.4 - 51.6 - 48.5 75 93 37 1.6 10.0 - - 0.00 0.00 0.094 275 -

Sonoma County-Central Daily Obs

37 Stations

Daily Data | America/Los_Angeles
as of 9/3/26 11:30 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) 9/2/26 74.8   0.4 1639 58.2   5.9 2329 56.0   3.0 76 85   1 52   5 0.0 0.0   0.0 0101 0.28 0.31 0.114   0.012 407   35 0
Windsor-East (Ranch 16) 9/2/26 75.5   0.7 1609 56.8   5.9 2216 55.6   3.0 77 96   1 41   1 3.5 16.5   0.4 1545 0.15 0.15 0.131   0.014 408   82 70
Mark West-North (Ranch 14) 9/2/26 75.4   0.1 1505 58.9   6.9 2125 55.4   3.1 75 96   1 40   2 1.6 11.4   2.6 1211 0.13 0.13 - - 0
Windsor-SE (Silk Rd) 9/2/26 73.8   0.2 1514 57.3   10.2 2150 56.7   3.9 80 98   2 45   4 2.6 13.2   2.9 1749 0.20 0.22 0.129   0.003 430   8 70
Fulton-NW (Ranch 5) 9/2/26 74.2   0.3 1544 57.6   8.6 2131 51.0   2.1 73 100   6 3   40 3.0 13.0   2.5 1619 0.11 0.11 0.137   0.018 439   67 70
Bisordi (Fulton) 9/2/26 73.7   0.7 1556 55.7   7.1 2140 57.5   3.2 81 95   1 54   6 2.4 13.0   3.1 1615 0.08 0.08 0.130   0.013 443   62 70
Windsor-South (Laughlin Rd) 9/2/26 74.8   0.1 1454 58.6   7.1 2124 56.0   3.3 77 94   1 44   3 - - - 0.11 0.11 - - 60
Fulton-SE (Barnes Rd) 9/2/26 74.5   1.5 1525 59.9   9.0 0609 56.5   3.1 77 95   1 47   2 1.5 10.1   6.9 1220 0.10 0.10 - - 70
Fulton-SW (Ranch 21) 9/2/26 73.0   0.7 1547 57.7   7.4 2138 43.6   9.2 68 100   0 0   0 3.2 15.9   2.8 1639 0.09 0.09 0.148   0.009 459   23 70
NW Santa Rosa (Piner Road) 9/2/26 74.1   0.9 1550 56.4   9.1 2153 59.4   3.2 88 100   0 54   4 2.1 13.2   1.7 1538 0.00 0.00 - - 70
River Rd South (Denner Ranch) 9/2/26 73.6   0.1 1526 56.0   7.7 0054 -6.6   8.6 30 100   0 0   0 4.4 16.4   3.9 1547 - - - - 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) 9/2/26 77.0   2.5 1510 56.8   8.6 2214 57.0   3.8 78 98   2 44   6 - - - 0.09 0.13 - - 30
SunnyView Vineyard (SCWC) 9/2/26 73.8   0.2 1501 54.6   9.2 2155 55.5   3.5 78 95   1 46   5 2.3 13.6   2.9 1630 0.08 0.08 0.121   0.001 396   35 80
Guerneville Rd West (Balletto) 9/2/26 73.4   0.1 1545 56.9   8.7 2154 57.9   3.3 83 100   3 55   4 2.8 12.8   4.6 1546 0.12 0.23 - - 70
Sanchietti Ranch 9/2/26 74.4   0.3 1526 56.7   7.7 2151 58.7   2.7 - 96   0 58   7 3.3 15.0   4.7 1641 0.07 0.07 - - 100
Occidental Rd (Sebastopol) 9/2/26 74.4   1.0 1532 57.0   7.2 2150 61.1   2.4 94 100   0 63   8 2.4 16.9   5.3 1749 0.06 0.06 - - 70
Harper's Rest (Windsor-West) 9/2/26 75.7   0.0 1509 55.8   7.5 0044 55.3   4.0 - 96   0 41   6 1.6 14.6   1.0 1617 0.27 0.31 - - 0
Lower Westside Rd (Ranch 12) 9/2/26 73.2   1.1 1502 55.6   7.8 0041 56.1   4.3 80 100   4 47   7 2.1 16.4   5.3 1558 0.28 0.31 - - 70
Guerneville (Laughlin Rd) 9/2/26 72.4   1.5 1612 55.5   9.0 2358 56.4   4.4 82 96   2 50   6 2.1 15.9   3.7 1545 0.38 0.41 - - 70
Korbel (Winery) 9/2/26 72.0   1.4 1355 56.5   7.9 2301 57.0   3.5 82 97   1 54   11 0.9 11.5   5.1 1729 0.20 0.21 - - 70
Forestville (Shone Farms) 9/2/26 74.2   0.2 1502 57.1   5.6 2239 56.8   3.3 81 98   3 49   5 2.1 14.2   1.8 1805 0.28 0.32 0.125   0.011 418   64 70
Forestville-NE (Ranch 30) 9/2/26 74.2   0.5 1359 54.7   5.3 2239 57.1   3.2 83 99   1 51   3 2.8 14.8   3.7 1702 0.26 0.29 0.130   0.012 446   69 20
Foggy Bend (Ranch 41) 9/2/26 73.2   0.7 1446 55.9   5.3 2248 57.6   3.1 83 96   1 56   6 2.3 16.3   3.4 1642 0.26 0.29 0.127   0.005 445   6 70
Last Stop 9/2/26 72.5   0.4 1445 54.8   7.4 2237 56.3   3.7 81 96   0 50   4 2.1 14.1   1.7 1531 0.27 0.29 0.126   0.013 439   72 10
Green Valley Vineyard 9/2/26 72.2   0.4 1500 55.3   6.5 2252 56.4   3.4 82 98   0 52   6 2.1 14.7   6.1 1513 0.34 0.41 0.069   0.013 186   84 70
Park Royal 9/2/26 73.9   0.3 1524 57.7   8.6 2202 55.9   3.2 77 97   4 48   7 - - - 0.05 0.05 - - 70
Merino 9/2/26 77.0   0.3 1603 55.6   8.6 2148 58.1   3.2 83 99   1 50   6 2.0 11.8   2.6 1551 0.07 0.07 0.130   0.000 436   7 100
Green Valley (Sanchietti) 9/2/26 74.6   0.9 1501 55.1   11.4 2147 - - - - - - - - - - - 70
Keefer Ranch (Green Valley) 9/2/26 73.4   1.2 1511 55.1   9.2 2314 57.0   3.9 83 96   0 54   6 - - - 0.28 0.32 - - 40
Graton-West (Dutton Ranch) 9/2/26 73.5   1.0 1507 55.8   9.2 2308 60.9   3.8 93 100   0 57   14 1.9 11.3   4.1 1316 0.29 0.34 - - 70
Graton-South (Mill Station Rd) 9/2/26 70.9   0.0 1547 55.0   4.0 2247 56.8   2.1 84 98   1 54   6 1.1 9.3   2.1 1554 0.13 0.16 - - 20
Occidental (Horseshoe Bend) 9/2/26 68.7   1.9 1602 57.3   7.2 2236 57.3   2.8 - 100   0 59   11 - - - 0.31 0.39 - - 40
Sexton Valley (Jacqueline's Blk) 9/2/26 72.3   0.8 1426 55.0   3.0 2259 58.2   1.7 86 98   0 57   4 1.5 13.6   5.6 1614 0.14 0.23 - - 50
Sebastopol Hills (Burnside Rd) 9/2/26 69.3   0.5 1418 58.0   3.8 0343 58.2   1.9 90 100   0 64   6 2.4 13.5   1.1 1518 0.00 0.00 - - 70
Pleasant Hill 9/2/26 74.1   0.2 1447 56.3   2.6 0203 57.2   2.4 - 96   0 52   8 2.3 13.6   3.8 1522 0.16 0.21 - - 80
Seaview/Fort Ross (Hirsch) 9/2/26 64.7   0.8 1459 54.8   1.8 2202 54.9   2.1 92 97   0 71   6 2.0 13.5   1.5 0355 0.00 0.06 0.100   0.007 396   41 20
Max   77.0 - 59.9 - 61.1 94 100 71 4.4 16.9 - 0.38 0.41 0.148 459 -
Avg   - - - - 54.7 80 - - 2.2 - - - - - - -
Min   64.7 - 54.6 - -6.6 30 85 0 0.0 0.0 - 0.00 0.00 0.069 186 -

Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 9/3/26 11:30 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 9/2/26 72.0   0.3 1536 54.2   0.7 2146 55.1   3.0 97   1 46   1 1.8   0.2 10.6   1.0 1502 SE | 132 0.00 0.01 0.076   0.009 249   54 80   10
Lower Bennett Valley 9/2/26 73.5   0.2 1534 51.7   1.5 2344 55.4   2.5 100   0 46   3 2.9   0.1 14.6   1.7 1553 SSW | 213 0.06 0.06 0.113   0.012 374   72 70   10
Kenwood (Wildwood) 9/2/26 74.8   0.2 1546 52.8   1.5 0255 54.9   2.7 97   0 43   7 2.1   0.4 15.4   0.9 1546 SW | 227 0.06 0.06 0.107   0.029 348   101 10   10
Sonoma Valley (Bedrock) 9/2/26 74.3   1.1 1440 52.6   0.4 0108 53.7   3.4 95   4 42   7 - - - - 0.09 0.09 - - 70   10
Sonoma-West (Arnold) 9/2/26 77.0   0.8 1502 52.8   0.0 0101 54.3   2.4 93   4 39   7 3.1   1.5 16.2   3.9 1800 W | 272 0.06 0.06 0.141   0.022 437   36 10   10
Sonoma Valley HS 9/2/26 76.5   0.8 1622 54.5   0.4 0323 56.8   2.1 99   3 47   6 1.6   1.2 10.4   0.1 1817 WSW | 244 0.01 0.01 0.104   0.026 343   63 70   10
Sonoma East (Bundschu01) 9/2/26 76.1   0.1 1541 51.5   0.5 0128 54.1   2.1 92   2 41   7 3.0   0.9 16.4   7.9 1624 NW | 310 0.05 0.05 0.105   0.043 313   108 70   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) 9/2/26 79.1   1.9 1606 51.0   0.7 0138 54.0   2.0 92   3 36   4 2.7   1.4 14.8   3.4 1654 SW | 230 0.00 0.00 - - 90   10
Ricci Vineyards (Carneros) 9/2/26 77.1   0.7 1544 52.0   1.1 0130 54.8   2.4 94   3 40   8 4.1   1.5 16.7   2.1 1659 WNW | 292 0.02 0.03 0.111   0.040 322   93 100   10
Carneros (Ranch 71) 9/2/26 74.9   0.4 1620 56.7   0.0 0034 55.2   2.8 94   2 43   8 4.5   2.9 20.5   1.5 1851 W | 262 0.01 0.01 0.102   0.049 286   114 40   10
Carneros Upper (Ranch 81) 9/2/26 75.9   2.1 1622 56.6   0.2 0007 54.5   2.2 - - 7.0   3.0 24.7   1.1 2002 W | 271 - - - - 40   10
Carneros Lower (Ranch 81) 9/2/26 80.3   1.7 1640 52.0   0.5 0127 55.4   2.3 100   9 0   36 - 17.0   1.0 1442 SSE | 155 0.00 0.00 0.010   0.007 1   1 70   10
Rohnert Park-West (Stony Point) 9/2/26 72.4   0.8 1511 54.7   1.3 0211 57.8   2.0 98   2 57   11 2.5   1.7 18.0   2.2 1604 W | 270 0.04 0.04 - - 70   10
Cartograph Wines Base 9/2/26 71.2   0.0 1521 55.4   0.5 0208 58.2   2.0 97   0 63   11 4.1   0.9 16.7   5.3 1535 SW | 236 0.08 0.17 0.117   0.006 424   2 60   10
Cartograph Wines Remote 9/2/26 70.8   3.3 1246 54.6   0.3 0217 - - - - - - - - - - - 50   10
Rice-Spivak Vineyard 9/2/26 73.5   1.0 1417 51.4   1.6 0150 - - - - - - - - - - - 60   10
Penngrove (Asellus) 9/2/26 74.8   0.3 1443 54.2   1.7 0105 55.6   2.6 95   1 43   6 3.3   0.0 15.6   1.4 1502 WNW | 303 0.01 0.01 - - 70   10
Petaluma (Ranch 10) 9/2/26 76.2   1.5 1502 51.7   0.0 0101 55.6   2.6 93   2 40   2 2.0   1.2 14.6   0.0 1650 WSW | 255 0.03 0.03 0.115   0.013 364   21 70   20
Max   80.3 - 56.7 - 58.2 100 63 7.0 24.7 - - 0.09 0.17 0.141 437 -
Avg   - - - - 55.3 - - 3.2 - - - - - - - -
Min   70.8 - 51.0 - 53.7 92 0 1.6 10.4 - - 0.00 0.00 0.010 1 -