Rainbow Spring Weather Forecast
- 64
- 95
Mostly Sunny
- 65
- 99
Hot
- 64
- 95
Sunny
- 61
- 89
Mostly Sunny
- 61
- 90
Sunny
- 62
- 93
Sunny
Today 12 Jul Lower Columbia Basin of Washington
Hot, sunny. Highs 96 to 100. Southwest wind 5 to 10 Mph.
Tonight 12 Jul Lower Columbia Basin of Washington
Mostly clear. Lows in the mid to upper 60s. West wind 5 to 10 Mph with Gusts to around 20 Mph.
Rainbow Spring Temperature Statistics
July Temperature
Tri-Cities Airport (39.8 miles)
Lowest 6 July, 2025
52.6 °FAverage July
77 °FHighest 8 July, 2025
103.6 °F
Climate (2020–Present)
Tri-Cities Airport (39.8 miles)
Average Low 2020–2025
42.8 °FAverage 2020–2025
55.5 °FAverage High 2020–2025
67.9 °F