Tri-Cities Airport Weather Forecast
- 58
- 90
Increasing Clouds
- 62
- 95
Partly Sunny
- 55
- 90
Sunny
- 57
- 89
Sunny
- 60
- 93
Sunny
- 62
- 98
Hot
Today 18 Jun Lower Columbia Basin of Washington
Sunny. Highs in the mid 80s to lower 90s. Northwest wind 5 to 10 Mph.
Tonight 18 Jun Lower Columbia Basin of Washington
Partly cloudy. Lows in the mid 50s to lower 60s. Northeast wind 5 to 10 Mph in the Evening, becoming light.
Tri-Cities Airport Temperature Statistics
June Temperature
Tri-Cities Airport (0 miles)
Lowest 11 June, 2026
41.6 °FAverage June
67.1 °FHighest 15 June, 2026
97 °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