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
| 18 June 2026 Thu 16.1 ° C ( 61°F )  Partly cloudy |
Feels Like : 16.1 ° C / 61°F Humidity : % 81 Pressure : 1012 mb Wind Speed : 6.8 kmph / 4.3 miles from SSW 
Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 75 |
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 |
|---|---|---|---|---|---|---|---|
| 17 June 2026 Wed |  Cloudy |
12.1 ° C | 27.7 ° C | 17.8 ° C | % 79 | 14.4 km/h | 14% |
| 18 June 2026 Thu | Cloudy |
11.9 ° C | 24.5 ° C | 17.1 ° C | % 74 | 16.9 km/h | 14% |
| 19 June 2026 Fri | Partly Cloudy |
10.2 ° C | 23.8 ° C | 16.9 ° C | % 66 | 17.3 km/h | 7% |
| 20 June 2026 Sat |  Sunny |
8 ° C | 25.1 ° C | 16 ° C | % 68 | 16.9 km/h | 5% |
| 21 June 2026 Sun | Sunny |
9.5 ° C | 28.3 ° C | 18 ° C | % 64 | 15.1 km/h | 4% |
| 22 June 2026 Mon | Sunny |
9.3 ° C | 27.1 ° C | 15.1 ° C | % 75 | 16.2 km/h | 7% |
| 23 June 2026 Tue | Sunny |
9.1 ° C | 27.8 ° C | 18.1 ° C | % 64 | 14 km/h | 4% |
| 24 June 2026 Wed | Sunny |
9.3 ° C | 31.3 ° C | 20.2 ° C | % 58 | 15.1 km/h | 3% |
| 25 June 2026 Thu | Sunny |
12 ° C | 33.7 ° C | 21.9 ° C | % 51 | 15.1 km/h | 2% |
| 26 June 2026 Fri | Sunny |
11.6 ° C | 33.4 ° C | 21.9 ° C | % 50 | 15.8 km/h | 2% |
| 27 June 2026 Sat | Sunny |
12.8 ° C | 33.5 ° C | 22.2 ° C | % 49 | 16.2 km/h | 1% |
| 28 June 2026 Sun | Sunny |
11.5 ° C | 31.5 ° C | 20.5 ° C | % 57 | 15.5 km/h | 2% |
| 29 June 2026 Mon | Sunny |
10.6 ° C | 27.9 ° C | 19 ° C | % 64 | 14.4 km/h | 4% |
| 30 June 2026 Tue | Sunny |
10.7 ° C | 28.5 ° C | 19.4 ° C | % 63 | 16.6 km/h | 4% |
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