Tri-Cities Airport Weather Forecast
- 56
- 89
Mostly Sunny
- 57
- 92
Mostly Sunny
- 60
- 95
Mostly Sunny
- 60
- 97
Hot
- 55
- 91
Mostly Cloudy
- 51
- 81
Partly Sunny
Today 21 Jun Lower Columbia Basin of Washington
Sunny. Highs in the mid to upper 80s. West wind 5 to 10 Mph.
Tonight 21 Jun Lower Columbia Basin of Washington
Clear. Lows in the mid to upper 50s. Northwest wind 5 to 10 Mph.
Tri-Cities Airport Temperature Statistics
June Temperature
Tri-Cities Airport (0 miles)
Lowest 11 June, 2026
41.6 °FAverage June
67.8 °FHighest 15 June, 2026
97.6 °F
Climate (2021–2026)
Tri-Cities Airport (0 miles)
Average Low 2021–2026
43 °FAverage 2021–2026
55.6 °FAverage High 2021–2026
68.1 °F