| Station | Date | Time | Temp (°F) | RH (%) | Dew Pt (°F) | Wind Spd (mph) | Wind Dir (°) | Wind Gust (mph) | Latest Rain (In) | Daily Rain (In) | Daily Min Temp (°F) | Daily Max Temp (°F) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rockpile Upper (Cooley) | 8/31/26 | 1530 | 75.9 9.7 | 41 15 | 50.6 3.8 | 9.6 1.1 | SSE | 165 | 14.5 2.0 | 0.00 | 0.00 | 48.6 3.2 | 76.5 10.1 |
| Rockpile Lower (Cooley) | 8/31/26 | 1515 | 78.1 11.2 | 41 17 | 52.2 4.5 | 3.9 0.9 | SSE | 160 | 10.8 1.3 | 0.00 | 0.00 | 49.1 4.6 | 79.0 11.6 |
| Cloverdale-East (Ranch 83) | 8/31/26 | 1530 | 79.0 10.7 | - | - | 5.6 0.4 | SSE | 155 | 12.4 0.7 | 0.00 | 0.00 | 48.1 1.5 | 79.5 11.0 |
| Cloverdale-SE (Ranch 38) | 8/31/26 | 1530 | 75.2 11.6 | 49 20 | 54.8 4.3 | 9.4 0.7 | SSE | 160 | 16.8 2.2 | 0.00 | 0.00 | 50.9 3.0 | 76.6 12.2 |
| Geyserville-North (Hoffman) | 8/31/26 | 1530 | 77.4 10.2 | 49 19 | 57.0 4.1 | 5.5 0.1 | ESE | 117 | 12.4 1.4 | 0.00 | 0.00 | 49.9 4.5 | 78.1 10.0 |
| Geyserville (Ranch 3) | 8/31/26 | 1530 | 76.7 11.2 | 44 19 | 53.4 5.4 | 6.0 0.2 | ESE | 108 | 11.4 1.3 | 0.00 | 0.00 | 50.6 4.0 | 77.4 10.8 |
| Geyserville-East (Ranch 40) | 8/31/26 | 1530 | 73.0 11.7 | 52 21 | 54.5 3.2 | 8.3 2.4 | S | 171 | 16.3 1.5 | 0.00 | 0.00 | 51.2 1.7 | 75.0 10.6 |
| Geyserville-South (Nervo Station) | 8/31/26 | 1530 | 75.9 10.4 | - | - | 5.5 0.2 | SE | 140 | 10.5 0.7 | 0.00 | 0.00 | 51.6 1.4 | 76.6 10.6 |
| Peterson (Ranch 09) | 8/31/26 | 1530 | 75.8 10.5 | 44 17 | 52.3 4.2 | 4.4 0.7 | ESE | 118 | 8.5 1.1 | 0.00 | 0.00 | 50.1 5.3 | 76.2 10.4 |
| Crazy Creek Ranch | 8/31/26 | 1530 | 76.4 11.0 | 48 18 | 55.4 2.8 | 3.5 0.7 | SSE | 152 | 8.8 1.7 | 0.00 | 0.00 | 48.8 3.7 | 76.7 11.0 |
| Whitton Ranch (201e) | 8/31/26 | 1530 | 77.7 10.5 | 44 17 | 54.0 3.8 | 4.0 0.1 | SE | 134 | 8.2 2.2 | 0.00 | 0.00 | 45.2 4.5 | 78.1 10.8 |
| Lytton East (Shop Hill Bottom) | 8/31/26 | 1530 | 76.4 9.7 | 43 16 | 52.2 3.9 | 6.6 0.8 | SE | 127 | 14.2 4.2 | 0.00 | 0.00 | 48.2 2.8 | 77.1 9.4 |
| Lytton East (Hill 5) | 8/31/26 | 1530 | 74.6 11.6 | 46 18 | 52.4 3.5 | 9.6 2.6 | SSE | 150 | 16.8 3.1 | 0.00 | 0.00 | 50.4 1.4 | 75.7 11.7 |
| Lytton West Lower (Lew 6) | 8/31/26 | 1530 | 75.8 10.7 | 45 17 | 52.9 3.3 | 5.6 0.2 | SE | 139 | 10.8 1.3 | 0.00 | 0.00 | 47.1 2.9 | 76.8 10.4 |
| Lytton West Hill (23PS) | 8/31/26 | 1530 | 74.8 9.9 | 46 16 | 52.8 3.1 | 7.1 1.1 | ESE | 123 | 11.4 0.5 | 0.00 | 0.00 | 51.0 1.2 | 75.1 10.4 |
| Big River | 8/31/26 | 1530 | 74.7 10.1 | 50 14 | 54.6 0.4 | 5.3 0.9 | S | 169 | 10.7 2.1 | 0.00 | 0.00 | 50.4 1.8 | 75.2 10.0 |
| Jimtown-North (Piccolo Ranch 15) | 8/31/26 | 1530 | 76.5 10.9 | 40 15 | 50.6 3.2 | 3.2 0.2 | SE | 140 | 8.1 0.7 | 0.00 | 0.00 | 48.4 4.4 | 77.1 11.1 |
| HWY 128/Chalk Hill Rd (Landslide) | 8/31/26 | 1500 | 76.2 9.8 | 44 13 | 53.0 1.2 | 4.4 1.1 | WSW | 249 | 9.3 0.3 | 0.00 | 0.00 | 50.4 7.0 | 77.3 9.6 |
| N Chalk Hill Rd (Ranch 63) | 8/31/26 | 1530 | 75.3 9.8 | 45 15 | 52.3 2.3 | 4.2 0.6 | SW | 230 | 9.4 2.4 | 0.00 | 0.00 | 48.2 5.9 | 76.2 9.4 |
| Newman Knights Valley | 8/18/26 | 0015 | 56.2 1.8 | 85 4 | 51.7 0.4 | 0.8 3.5 | NE | 55 | 2.3 5.8 | 0.00 | 0.00 | 55.0 1.2 | 88.3 0.6 |
| Knights Valley (Bavarian Lion) | 8/31/26 | 1530 | 75.8 10.2 | 41 11 | 50.2 0.1 | 3.3 1.2 | WNW | 295 | 7.3 0.3 | 0.00 | 0.00 | 49.5 7.4 | 76.1 10.5 |
| Red Tail | 8/31/26 | 1530 | 74.5 9.5 | 51 12 | 55.5 1.4 | 7.8 1.5 | S | 170 | 15.0 0.8 | 0.00 | 0.00 | 47.6 2.9 | 76.2 9.0 |
| Franz Valley (Stornetta) | 8/31/26 | 1530 | 74.9 10.4 | 43 12 | 50.7 0.7 | 4.0 1.5 | S | 188 | 8.8 2.0 | 0.00 | 0.00 | 48.8 6.7 | 75.3 11.6 |
| Upper Dry Creek Valley | 8/31/26 | 1500 | 76.3 10.8 | 47 18 | 54.8 3.1 | 6.2 0.5 | ESE | 122 | 11.8 0.8 | 0.00 | 0.00 | 48.7 2.7 | 77.3 10.1 |
| Lower Dry Creek Valley | 8/31/26 | 1530 | 75.8 9.7 | 46 15 | 53.3 2.2 | 7.7 0.0 | ESE | 123 | 13.9 1.8 | 0.00 | 0.00 | 48.1 3.4 | 76.6 9.3 |
| Max | 79.0 | 52 | 57.0 | 9.6 | - | 16.8 | 0.00 | 0.00 | 51.6 | 79.5 | ||
| Avg | 75.9 | 45 | 53.2 | 5.9 | - | 11.6 | 0.00 | - | - | - | ||
| Min | 73.0 | 40 | 50.2 | 3.2 | - | 7.3 | 0.00 | 0.00 | 45.2 | 75.0 |
| Station | Date | Time | Temp (°F) | RH (%) | Dew Pt (°F) | Wind Spd (mph) | Wind Dir (°) | Wind Gust (mph) | Latest Rain (In) | Daily Rain (In) | Daily Max Temp (°F) | Daily Min Temp (°F) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Windsor-NW (Ranch 8) | 8/31/26 | 1530 | 76.2 8.6 | 52 13 | 57.1 0.3 | 0.0 0.0 | E | 84 | 0.0 0.0 | 0.00 | 0.00 | 78.4 9.7 | 51.6 2.4 |
| Windsor-East (Ranch 16) | 8/31/26 | 1530 | 74.0 9.8 | 48 14 | 53.0 0.7 | 6.0 0.2 | S | 170 | 11.8 0.5 | 0.00 | 0.00 | 74.7 10.7 | 47.8 3.7 |
| Mark West-North (Ranch 14) | 8/31/26 | 1530 | 74.2 8.6 | 47 13 | 52.6 1.4 | 3.6 0.5 | W | 271 | 7.5 0.7 | 0.00 | 0.00 | 75.2 8.4 | 50.1 4.3 |
| Windsor-SE (Silk Rd) | 8/31/26 | 1530 | 75.1 8.3 | 48 13 | 53.9 1.4 | 4.6 0.0 | SSW | 199 | 8.8 1.0 | 0.00 | 0.00 | 75.5 8.4 | 50.0 6.4 |
| Fulton-NW (Ranch 5) | 8/31/26 | 1530 | 72.9 9.2 | 52 15 | 54.4 0.6 | 7.0 2.6 | SE | 125 | 13.0 3.4 | 0.00 | 0.00 | 73.5 9.5 | 48.6 3.6 |
| Bisordi (Fulton) | 8/31/26 | 1530 | 74.2 8.6 | 55 14 | 57.1 0.4 | 3.9 0.4 | SSE | 167 | 9.8 0.9 | 0.00 | 0.00 | 74.4 9.1 | 46.9 4.1 |
| Windsor-South (Laughlin Rd) | 8/31/26 | 1530 | 75.9 7.4 | 46 12 | 53.9 1.6 | - | - | - | 0.00 | 0.00 | 76.5 8.3 | 51.0 3.9 |
| Fulton-SE (Barnes Rd) | 8/31/26 | 1530 | 72.4 9.4 | 53 15 | 54.3 0.6 | 4.1 0.5 | S | 176 | 8.8 1.2 | 0.00 | 0.00 | 73.4 9.7 | 48.5 2.0 |
| Fulton-SW (Ranch 21) | 8/31/26 | 1530 | 73.2 8.4 | 50 14 | 53.6 1.5 | 4.2 1.7 | S | 191 | 9.9 1.2 | 0.00 | 0.00 | 74.0 8.1 | 47.7 2.2 |
| NW Santa Rosa (Piner Road) | 8/31/26 | 1530 | 74.4 7.3 | 54 13 | 56.9 1.0 | 3.3 2.7 | WSW | 241 | 6.8 4.7 | 0.00 | 0.00 | 75.0 7.2 | 46.6 3.7 |
| River Rd South (Denner Ranch) | 8/31/26 | 1530 | 73.4 7.1 | 51 12 | 53.9 0.9 | 8.1 1.1 | SSW | 209 | 14.0 0.7 | - | - | 74.5 7.8 | 47.4 3.8 |
| West Santa Rosa (LOV Vineyard) | 8/26/26 | 0900 | 53.3 5.2 | 97 6 | 52.4 3.5 | 1.0 0.1 | SW | 224 | 3.6 0.0 | 0.00 | 0.00 | 53.6 5.2 | 50.2 1.8 |
| Guerneville Rd (Prokopakis) | 8/31/26 | 1530 | 79.8 7.5 | 42 11 | 54.7 1.5 | - | - | - | 0.00 | 0.00 | 80.4 7.9 | 47.8 3.8 |
| SunnyView Vineyard (SCWC) | 8/31/26 | 1530 | 73.1 8.5 | 49 14 | 52.8 1.2 | 3.6 0.3 | S | 180 | 8.2 1.1 | 0.00 | 0.00 | 73.5 9.0 | 45.3 3.5 |
| Guerneville Rd West (Balletto) | 8/31/26 | 1530 | 73.0 8.0 | 55 14 | 56.0 0.6 | 4.6 1.4 | WSW | 247 | 8.9 1.8 | 0.00 | 0.00 | 73.3 8.1 | 48.4 4.4 |
| Sanchietti Ranch | 8/31/26 | 1530 | 74.1 6.5 | 59 14 | 58.7 1.7 | 6.5 0.4 | SW | 225 | 12.1 1.2 | 0.00 | 0.00 | 74.5 7.8 | 47.5 4.4 |
| Occidental Rd (Sebastopol) | 8/31/26 | 1530 | 73.7 6.5 | 63 18 | 60.5 3.2 | 6.3 0.6 | SW | 216 | 14.7 1.1 | 0.00 | 0.00 | 74.7 7.5 | 46.2 3.6 |
| Harper's Rest (Windsor-West) | 8/31/26 | 1530 | 78.0 7.0 | 42 10 | 52.9 1.3 | 3.3 0.6 | S | 182 | 9.4 0.0 | 0.00 | 0.00 | 79.1 7.2 | 48.5 3.3 |
| Lower Westside Rd (Ranch 12) | 8/31/26 | 1530 | 74.8 9.9 | 48 15 | 53.8 1.3 | 4.6 1.1 | SSW | 194 | 11.6 4.4 | 0.00 | 0.00 | 75.6 9.8 | 49.2 4.8 |
| Guerneville (Laughlin Rd) | 8/31/26 | 1530 | 71.1 10.5 | 55 22 | 54.4 3.9 | 7.2 0.1 | S | 181 | 13.0 1.5 | 0.00 | 0.00 | 74.0 8.7 | 48.0 4.2 |
| Korbel (Winery) | 8/31/26 | 1530 | 69.6 9.5 | 58 21 | 54.2 3.5 | 4.3 2.4 | WSW | 245 | 11.4 0.5 | 0.00 | 0.00 | 74.1 9.7 | 49.9 3.9 |
| Forestville (Shone Farms) | 8/31/26 | 1530 | 74.6 8.8 | 50 14 | 54.8 1.3 | 3.8 1.0 | SW | 215 | 9.2 2.3 | 0.00 | 0.00 | 77.0 8.2 | 49.0 1.8 |
| Forestville-NE (Ranch 30) | 8/31/26 | 1530 | 75.9 7.1 | 51 11 | 56.7 0.5 | 3.7 3.2 | WSW | 256 | 8.0 4.3 | 0.00 | 0.00 | 76.0 8.5 | 49.4 4.0 |
| Foggy Bend (Ranch 41) | 8/31/26 | 1530 | 73.7 10.5 | 57 14 | 57.5 1.7 | 5.0 0.0 | W | 260 | 8.9 2.9 | 0.00 | 0.00 | 75.8 9.0 | 49.9 4.9 |
| Last Stop | 8/31/26 | 1530 | 72.8 11.1 | 54 18 | 55.1 1.0 | 4.3 1.2 | SW | 224 | 12.6 0.7 | 0.00 | 0.00 | 76.4 9.9 | 46.9 3.1 |
| Green Valley Vineyard | 8/31/26 | 1530 | 70.6 10.5 | 55 20 | 53.8 3.0 | 5.8 0.1 | WSW | 252 | 12.5 1.3 | 0.00 | 0.00 | 73.6 8.5 | 47.2 1.7 |
| Park Royal | 8/31/26 | 1530 | 73.9 7.3 | 49 14 | 53.3 2.7 | - | - | - | 0.00 | 0.00 | 74.7 7.8 | 47.9 2.9 |
| Merino | 8/31/26 | 1530 | 76.8 8.3 | 51 14 | 57.4 1.4 | 5.0 1.5 | SSW | 196 | 11.0 1.3 | 0.00 | 0.00 | 77.2 8.1 | 44.9 4.6 |
| Green Valley (Sanchietti) | 8/31/26 | 1530 | 74.2 9.7 | - | - | - | - | - | - | - | 76.3 8.7 | 44.6 5.6 |
| Keefer Ranch (Green Valley) | 8/31/26 | 1530 | 72.0 8.9 | 55 15 | 55.1 0.7 | - | - | - | 0.00 | 0.00 | 73.6 8.3 | 46.2 4.5 |
| Graton-West (Dutton Ranch) | 8/31/26 | 1530 | 71.8 10.0 | 59 25 | 56.9 6.1 | 4.2 0.4 | SSW | 207 | 10.3 0.8 | 0.00 | 0.00 | 75.2 7.5 | 47.6 5.6 |
| Graton-South (Mill Station Rd) | 8/31/26 | 1530 | 69.9 6.9 | 57 15 | 54.2 2.0 | 4.3 0.0 | SW | 230 | 7.9 1.1 | 0.00 | 0.00 | 71.3 7.1 | 44.1 3.6 |
| Occidental (Horseshoe Bend) | 8/31/26 | 1530 | 67.1 9.1 | 62 21 | 53.4 2.9 | - | - | - | 0.00 | 0.00 | 69.7 7.0 | 51.6 2.4 |
| Sexton Valley (Jacqueline's Blk) | 8/31/26 | 1530 | 68.8 8.4 | 65 17 | 56.4 0.5 | 6.3 3.6 | W | 269 | 15.6 5.6 | 0.00 | 0.00 | 71.1 8.3 | 44.6 2.7 |
| Sebastopol Hills (Burnside Rd) | 8/31/26 | 1530 | 67.1 5.6 | 67 14 | 55.7 1.4 | 6.3 1.5 | WSW | 256 | 14.3 1.1 | 0.00 | 0.00 | 68.5 6.3 | 50.3 1.5 |
| Pleasant Hill | 8/31/26 | 1530 | 71.3 7.4 | 55 15 | 54.4 2.0 | 5.7 0.3 | WSW | 248 | 13.6 2.4 | 0.00 | 0.00 | 72.5 8.0 | 46.6 1.8 |
| Seaview/Fort Ross (Hirsch) | 8/31/26 | 1530 | 62.3 9.0 | 70 25 | 52.5 3.4 | 4.6 0.9 | WNW | 290 | 10.3 3.3 | 0.00 | 0.00 | 64.6 8.8 | 48.5 6.1 |
| Max | 79.8 | 70 | 60.5 | 8.1 | - | 15.6 | 0.00 | 0.00 | 80.4 | 51.6 | ||
| Avg | 72.9 | 54 | 55.0 | 4.8 | - | 10.5 | 0.00 | - | - | - | ||
| Min | 62.3 | 42 | 52.5 | 0.0 | - | 0.0 | 0.00 | 0.00 | 64.6 | 44.1 |
| Station | Date | Time | Temp (°F) | RH (%) | Dew Pt (°F) | Wind Spd (mph) | Wind Dir (°) | Wind Gust (mph) | Latest Rain (In) | Daily Rain (In) | Daily Min Temp (°F) | Daily Max Temp (°F) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Upper Rincon Valley | 8/31/26 | 1530 | 69.2 11.9 | 55 18 | 52.3 0.2 | 5.4 1.8 | SSE | 161 | 10.4 0.9 | 0.00 | 0.00 | 48.2 0.8 | 71.6 11.0 |
| Lower Bennett Valley | 8/31/26 | 1530 | 69.2 12.5 | 58 20 | 54.0 0.5 | 6.4 0.1 | WSW | 250 | 13.1 2.1 | 0.00 | 0.00 | 41.4 1.3 | 71.7 11.5 |
| Kenwood (Wildwood) | 8/31/26 | 1530 | 71.2 12.0 | 52 14 | 52.5 2.1 | 4.4 0.1 | NW | 320 | 13.2 5.0 | 0.00 | 0.00 | 45.5 2.2 | 74.8 9.0 |
| Crane Creek (Ranch 62) | 8/31/26 | 1530 | 69.7 13.0 | 57 22 | 53.7 1.7 | 5.7 4.3 | SW | 215 | 10.6 5.5 | 0.00 | 0.00 | 48.8 2.2 | 71.9 13.4 |
| Rohnert Park-West (Stony Point) | 8/31/26 | 1530 | 68.4 7.9 | 66 20 | 56.6 2.6 | 8.2 0.9 | SW | 230 | 16.4 3.0 | 0.00 | 0.00 | 41.1 0.5 | 71.7 7.9 |
| Rice-Spivak Vineyard | 8/31/26 | 1530 | 68.5 6.5 | - | - | - | - | - | - | - | 38.4 0.4 | 72.6 7.9 |
| Cartograph Wines Base | 8/31/26 | 1515 | 66.8 6.4 | 71 20 | 57.1 2.9 | 10.9 1.9 | SW | 231 | 20.0 1.8 | 0.00 | 0.00 | 49.3 0.9 | 69.8 7.4 |
| Cartograph Wines Remote | 8/31/26 | 1515 | 66.7 6.8 | - | - | - | - | - | - | - | 45.5 0.9 | 69.4 11.3 |
| Penngrove (Asellus) | 8/31/26 | 1530 | 70.1 8.4 | 55 16 | 53.2 2.0 | 6.0 0.1 | SW | 224 | 14.9 3.6 | 0.00 | 0.00 | 45.0 3.0 | 72.2 10.8 |
| Sonoma Valley (Bedrock) | 8/31/26 | 1530 | 72.3 6.8 | 47 7 | 51.2 1.5 | - | - | - | 0.00 | 0.00 | 44.9 1.6 | 74.7 4.8 |
| Sonoma-West (Arnold) | 8/31/26 | 1530 | 71.8 7.3 | 50 10 | 52.3 0.6 | 9.3 3.6 | WSW | 240 | 17.9 6.9 | 0.00 | 0.00 | 45.0 0.9 | 74.1 5.5 |
| Sonoma Valley HS | 8/31/26 | 1530 | 70.1 6.8 | 60 10 | 55.5 1.1 | 6.3 1.3 | WSW | 244 | 10.9 1.5 | 0.00 | 0.00 | 48.1 1.0 | 72.7 5.4 |
| Sonoma East (Bundschu01) | 8/31/26 | 1530 | 72.1 4.4 | 50 7 | 52.7 0.2 | 7.8 0.9 | WSW | 249 | 16.4 4.0 | 0.00 | 0.00 | 45.5 0.3 | 73.1 5.0 |
| Sonoma-SE (Napoli) | 8/31/26 | 1530 | 72.8 4.7 | 48 6 | 52.1 0.5 | 7.6 1.7 | WSW | 244 | 14.2 3.0 | 0.00 | 0.00 | 45.6 0.1 | 74.4 4.8 |
| Schellville (Sasaki) | 2/7/26 | 1900 | 53.4 2.2 | 88 10 | 49.9 1.0 | 3.3 1.8 | SW | 225 | 5.8 4.0 | 0.00 | 0.00 | 47.0 0.8 | 62.8 8.4 |
| Petaluma (Ranch 10) | 8/31/26 | 1530 | 70.3 12.7 | 55 19 | 53.4 0.2 | 7.2 4.7 | W | 266 | 15.3 8.8 | 0.00 | 0.00 | 44.8 1.0 | 71.2 14.1 |
| Carneros (Ranch 71) | 8/31/26 | 1530 | 69.8 3.0 | 54 4 | 52.2 0.8 | 13.9 10.1 | W | 259 | 21.0 12.9 | 0.00 | 0.00 | 51.2 2.2 | 72.3 2.0 |
| Ricci Vineyards (Carneros) | 8/31/26 | 1530 | 71.8 3.4 | 51 6 | 52.8 0.1 | 10.4 2.9 | WSW | 253 | 17.3 4.2 | 0.00 | 0.00 | 46.1 0.2 | 74.3 2.1 |
| Carneros Upper (Ranch 81) | 8/31/26 | 1530 | 70.2 4.8 | 52 6 | 51.6 0.9 | 17.7 10.4 | WSW | 247 | 26.3 13.1 | - | - | 52.1 2.6 | 73.0 4.4 |
| Carneros Lower (Ranch 81) | 8/31/26 | 1530 | 79.6 5.8 | 41 9 | 54.1 0.3 | 0.8 4.5 | SW | 214 | 7.8 2.2 | 0.00 | 0.00 | 50.1 2.4 | 79.6 2.9 |
| Max | 79.6 | 71 | 57.1 | 17.7 | - | 26.3 | 0.00 | 0.00 | 52.1 | 79.6 | ||
| Avg | 70.6 | 54 | 53.4 | 8.0 | - | 15.4 | 0.00 | - | - | - | ||
| Min | 66.7 | 41 | 51.2 | 0.8 | - | 7.8 | 0.00 | 0.00 | 38.4 | 69.4 |