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
| 14 May 2026 Thu 27.3 ° C ( 81.1°F )  Sunny |
Feels Like : 26.5 ° C / 79.8°F Humidity : % 48 Pressure : 1016 mb Wind Speed : 10.8 kmph / 6.7 miles from SSW 
Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
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 |
|---|---|---|---|---|---|---|---|
| 14 May 2026 Thu | Sunny |
9.1 ° C | 32.4 ° C | 19.7 ° C | % 54 | 11.5 km/h | 0% |
| 15 May 2026 Fri | Sunny |
8.5 ° C | 29.3 ° C | 18.3 ° C | % 41 | 19.4 km/h | 0% |
| 16 May 2026 Sat | Sunny |
7.2 ° C | 25.2 ° C | 15.5 ° C | % 48 | 21.6 km/h | 0% |
| 17 May 2026 Sun | Sunny |
6.5 ° C | 26.2 ° C | 16.1 ° C | % 52 | 13.7 km/h | 0% |
| 18 May 2026 Mon | Sunny |
10.8 ° C | 28.6 ° C | 19.4 ° C | % 42 | 15.5 km/h | 0% |
| 19 May 2026 Tue | Sunny |
12.9 ° C | 30.9 ° C | 18.5 ° C | % 49 | 14.4 km/h | 0% |
| 20 May 2026 Wed | Sunny |
12.8 ° C | 32.9 ° C | 21.5 ° C | % 43 | 11.9 km/h | 0% |
| 21 May 2026 Thu | Sunny |
10.5 ° C | 28.6 ° C | 18.6 ° C | % 53 | 14.8 km/h | 0% |
| 22 May 2026 Fri |  Overcast |
8.9 ° C | 22.5 ° C | 14.5 ° C | % 76 | 14 km/h | 0% |
| 23 May 2026 Sat |  Partly Cloudy |
9.1 ° C | 25.2 ° C | 16.2 ° C | % 59 | 16.6 km/h | 0% |
| 24 May 2026 Sun | Sunny |
9.6 ° C | 28.9 ° C | 18.9 ° C | % 35 | 9.7 km/h | 0% |
| 25 May 2026 Mon | Sunny |
12.8 ° C | 29.8 ° C | 20.9 ° C | % 37 | 19.1 km/h | 0% |
| 26 May 2026 Tue | Sunny |
9.5 ° C | 26.6 ° C | 17.4 ° C | % 61 | 14.4 km/h | 0% |
| 27 May 2026 Wed | Sunny |
9.5 ° C | 29.4 ° C | 19 ° C | % 58 | 14 km/h | 0% |
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