Tri-Cities Airport Weather Forecast
- 47
- 77
Rain Showers
- 46
- 72
Mostly Cloudy
- 45
- 72
Chance Rain Showers
- 47
- 76
Partly Sunny
- 50
- 79
Chance Rain Showers
- 49
- 77
Chance Rain Showers
- 50
- 81
Partly Sunny
Today 2 Sep Lower Columbia Basin of Washington
Mostly cloudy with a 50 percent chance of rain Showers. Highs in the mid to upper 70s. South wind 5 to 15 Mph with Gusts to around 30 Mph. Rainfall Amounts less than a tenth of an inch.
Tonight 2 Sep Lower Columbia Basin of Washington
Rain Showers in the Evening, then a chance of rain Showers overnight. Lows in the upper 40s to lower 50s. Southwest wind 5 to 15 Mph. Gusts up to 30 Mph in the evening. Chance of precipitation near 100 percent. Rainfall Amounts less than a tenth of an inch.
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