Tri-Cities Airport Weather Forecast
- 47
- 78
Mostly Sunny
- 48
- 80
Mostly Sunny
- 53
- 88
Partly Sunny
- 52
- 87
Slight Chance Rain Showers
- 49
- 77
Chance Rain Showers
- 44
- 75
Chance Rain Showers
Today 29 Aug Lower Columbia Basin of Washington
Sunny. Highs in the mid to upper 70s. Southwest wind 5 to 15 Mph with Gusts to around 30 Mph.
Tonight 29 Aug Lower Columbia Basin of Washington
Mostly clear. Lows in the mid to upper 40s. West wind 5 to 15 Mph with Gusts to around 25 Mph.
Tri-Cities Airport Temperature Statistics
August Temperature
Tri-Cities Airport (0 miles)
Lowest 5 August, 2026
47.6 °FAverage August
75.5 °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