Sonoma County Airport (STS) 15 Day Weather Forecast, Santa Rosa United States
Current weather conditions and 15 day weather forecast for Sonoma County Airport in Santa Rosa, United States including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain, wind speed, cloud, pressure, and UV index.
Current weather conditions at STS
| 24 August 2026 Mon 20.3 ° C ( 68.5°F )  Overcast |
Feels Like : 19.3 ° C / 66.7°F Humidity : % 50 Pressure : 1012 mb Wind Speed : 4.7 kmph / 2.9 miles from SSW 
Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15-day weather forecast for Sonoma County Airport, Santa Rosa, United States
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 23 August 2026 Sun | Overcast |
10.7 ° C | 33.5 ° C | 21.2 ° C | % 57 | 17.3 km/h | 12% |
| 24 August 2026 Mon |  Sunny |
13 ° C | 31 ° C | 20.4 ° C | % 58 | 15.5 km/h | 5% |
| 25 August 2026 Tue | Overcast |
14.2 ° C | 32 ° C | 21.6 ° C | % 49 | 15.1 km/h | 8% |
| 26 August 2026 Wed | Overcast |
15.4 ° C | 33.6 ° C | 23.6 ° C | % 36 | 16.2 km/h | 4% |
| 27 August 2026 Thu | Sunny |
15.1 ° C | 33.9 ° C | 23.2 ° C | % 46 | 18 km/h | 3% |
| 28 August 2026 Fri | Sunny |
13.4 ° C | 31 ° C | 21.1 ° C | % 37 | 15.8 km/h | 1% |
| 29 August 2026 Sat | Sunny |
12.9 ° C | 32.1 ° C | 21.3 ° C | % 42 | 15.8 km/h | 1% |
| 30 August 2026 Sun | Sunny |
12 ° C | 32.1 ° C | 20.6 ° C | % 43 | 10.4 km/h | 1% |
| 31 August 2026 Mon | Sunny |
11.5 ° C | 29.5 ° C | 18.8 ° C | % 46 | 14 km/h | 2% |
| 01 September 2026 Tue | Sunny |
11.9 ° C | 30.1 ° C | 20 ° C | % 43 | 13 km/h | 3% |
| 02 September 2026 Wed | Overcast |
16.8 ° C | 34.3 ° C | 24.2 ° C | % 27 | 13.7 km/h | 8% |
| 03 September 2026 Thu | Sunny |
19.3 ° C | 37.7 ° C | 26.6 ° C | % 21 | 14 km/h | 1% |
| 04 September 2026 Fri | Sunny |
18.4 ° C | 34 ° C | 24.9 ° C | % 31 | 16.6 km/h | 0% |
| 05 September 2026 Sat | Sunny |
15.1 ° C | 32.5 ° C | 22.3 ° C | % 39 | 19.8 km/h | 1% |
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