Tri-Cities Airport Weather Forecast
- 51
- 85
Mostly Sunny
- 45
- 78
Partly Sunny
- 46
- 78
Mostly Sunny
- 51
- 86
Partly Sunny
- 49
- 83
Partly Sunny
- 46
- 75
Slight Chance Rain Showers
Today 28 Aug Lower Columbia Basin of Washington
Sunny. Patchy smoke in the morning. Highs in the lower to mid 80s. Light Wind, becoming southwest 5 to 10 Mph in the afternoon.
Tonight 28 Aug Lower Columbia Basin of Washington
Mostly clear. Patchy smoke overnight. Lows in the lower to mid 50s. Southwest wind 5 to 15 Mph.
Tri-Cities Airport Temperature Statistics
August Temperature
Tri-Cities Airport (0 miles)
Lowest 5 August, 2026
47.6 °FAverage August
75.4 °FHighest 7 August, 2026
102.7 °F
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