Tri-Cities Airport Weather Forecast
- 54
- 87
Gradual Clearing
- 47
- 78
Rain Showers Likely
- 43
- 72
Chance Rain Showers
- 44
- 73
Chance Rain Showers
- 46
- 76
Partly Sunny
- 48
- 78
Chance Rain Showers
Today 1 Sep Lower Columbia Basin of Washington
Mostly cloudy. Highs in the mid to upper 80s. Light Wind, becoming southwest 5 to 10 Mph in the afternoon.
Tonight 1 Sep Lower Columbia Basin of Washington
Mostly clear in the Evening, becoming mostly cloudy. Lows in the 50s. Southwest wind 5 to 15 Mph with Gusts to around 25 Mph.
Tri-Cities Airport Temperature Statistics
September Temperature
Tri-Cities Airport (0 miles)
Lowest
–Average September
–Highest
–
Climate (2021–2026)
Tri-Cities Airport (0 miles)
Average Low 2021–2026
42.8 °FAverage 2021–2026
55.4 °FAverage High 2021–2026
68 °F