Tri-Cities Airport (PSC) 15 Day Weather Forecast, Pasco United States
Current weather conditions and 15 day weather forecast for Tri-Cities Airport in Pasco, 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 PSC
| 13 September 2026 Sun 12.8 ° C ( 55°F )  Light drizzle |
Feels Like : 9.8 ° C / 49.6°F Humidity : % 84 Pressure : 1010 mb Wind Speed : 18.4 kmph / 11.4 miles from SSW 
Visibility : 2 km Precipitation (rainfall) : 0.46 mm Cloud (%) : 100 |
15-day weather forecast for Tri-Cities Airport, Pasco, United States
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 13 September 2026 Sun |  Overcast |
12.1 ° C | 14.4 ° C | 13.1 ° C | % 74 | 37.8 km/h | 81% |
| 14 September 2026 Mon |  Sunny |
11.4 ° C | 21.9 ° C | 16.7 ° C | % 53 | 24.1 km/h | 3% |
| 15 September 2026 Tue | Sunny |
14.3 ° C | 23.8 ° C | 18.8 ° C | % 41 | 11.9 km/h | 4% |
| 16 September 2026 Wed | Sunny |
15 ° C | 26.2 ° C | 20.3 ° C | % 40 | 10.1 km/h | 1% |
| 17 September 2026 Thu | Sunny |
15.6 ° C | 28.1 ° C | 21.6 ° C | % 33 | 8.3 km/h | 1% |
| 18 September 2026 Fri | Sunny |
17.6 ° C | 29.8 ° C | 23.1 ° C | % 27 | 7.2 km/h | 0% |
| 19 September 2026 Sat | Sunny |
18.3 ° C | 31.4 ° C | 24 ° C | % 23 | 9.4 km/h | 1% |
| 20 September 2026 Sun | Overcast |
20 ° C | 30 ° C | 24 ° C | % 28 | 18.7 km/h | 6% |
| 21 September 2026 Mon | Overcast |
16 ° C | 26.5 ° C | 20.9 ° C | % 42 | 9.7 km/h | 5% |
| 22 September 2026 Tue | Sunny |
15.8 ° C | 27.1 ° C | 21 ° C | % 42 | 17.6 km/h | 2% |
| 23 September 2026 Wed | Sunny |
13.6 ° C | 26.1 ° C | 19.1 ° C | % 42 | 40.7 km/h | 3% |
| 24 September 2026 Thu | Sunny |
10.6 ° C | 20.3 ° C | 14.7 ° C | % 43 | 25.9 km/h | 1% |
| 25 September 2026 Fri | Overcast |
10.5 ° C | 18.9 ° C | 14.3 ° C | % 40 | 14.4 km/h | 7% |
| 26 September 2026 Sat | Overcast |
8.9 ° C | 19.4 ° C | 13.7 ° C | % 39 | 19.1 km/h | 6% |
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