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
| 03 October 2026 Sat 18.2 ° C ( 64.8°F )  Partly Cloudy |
Feels Like : 16.8 ° C / 62.2°F Humidity : % 46 Pressure : 1011 mb Wind Speed : 3.6 kmph / 2.2 miles from NNE 
Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 60 |
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 |
|---|---|---|---|---|---|---|---|
| 03 October 2026 Sat |  Sunny |
14.8 ° C | 38.3 ° C | 25.6 ° C | % 29 | 13.7 km/h | 2% |
| 04 October 2026 Sun |  Overcast |
20.3 ° C | 36.5 ° C | 26.6 ° C | % 23 | 7.9 km/h | 5% |
| 05 October 2026 Mon | Sunny |
19.2 ° C | 38.7 ° C | 27.1 ° C | % 24 | 15.8 km/h | 0% |
| 06 October 2026 Tue | Sunny |
20 ° C | 38.9 ° C | 27.6 ° C | % 24 | 15.1 km/h | 0% |
| 07 October 2026 Wed | Sunny |
20.6 ° C | 39.4 ° C | 28.4 ° C | % 21 | 15.5 km/h | 0% |
| 08 October 2026 Thu | Sunny |
20.2 ° C | 38.1 ° C | 26.9 ° C | % 25 | 11.9 km/h | 1% |
| 09 October 2026 Fri | Sunny |
12.1 ° C | 26.7 ° C | 20.1 ° C | % 54 | 15.1 km/h | 4% |
| 10 October 2026 Sat | Sunny |
9.8 ° C | 28.4 ° C | 17.2 ° C | % 53 | 10.4 km/h | 2% |
| 11 October 2026 Sun | Sunny |
12.3 ° C | 28 ° C | 18 ° C | % 54 | 13.3 km/h | 2% |
| 12 October 2026 Mon | Sunny |
12 ° C | 30.6 ° C | 19.1 ° C | % 53 | 9.7 km/h | 2% |
| 13 October 2026 Tue | Sunny |
14.9 ° C | 33.4 ° C | 21.7 ° C | % 40 | 9.7 km/h | 1% |
| 14 October 2026 Wed | Sunny |
13.3 ° C | 31.5 ° C | 20.8 ° C | % 40 | 13.7 km/h | 1% |
| 15 October 2026 Thu | Sunny |
10.4 ° C | 29.3 ° C | 17.4 ° C | % 56 | 10.8 km/h | 3% |
| 16 October 2026 Fri | Sunny |
12.2 ° C | 31 ° C | 18.9 ° C | % 44 | 10.8 km/h | 1% |
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