Rainbow Lake Weather Forecast
- 58
- 69
Decreasing Clouds
- 63
- 79
Slight Chance Thunderstorms
- 65
- 85
Sunny
- 65
- 87
Sunny
- 62
- 86
Mostly Sunny
- 63
- 85
Partly Sunny
- 64
- 85
Mostly Sunny
Today 21 Jul Northwest Blue Mountains
Rain Showers in the Morning, then rain Showers likely and a chance of Thunderstorms in the afternoon. Highs in the mid 50s to lower 60s, except in the mid 60s to lower 70s Valleys. Chance of precipitation 90 percent. Rainfall Amounts up to a half of an inch Possible, except higher Amounts possible in Thunderstorms.
Tonight 21 Jul Northwest Blue Mountains
Mostly clear. A chance of Showers and Thunderstorms in the evening. Lows in the upper 40s to mid 50s. Chance of precipitation 30 percent. Rainfall Amounts less than a tenth of an Inch, except higher Amounts possible in Thunderstorms.
Rainbow Lake Temperature Statistics
July Temperature
Lewiston, Lewiston-Nez Perce County Airport (31.1 miles)
Lowest 7 July, 2025
58.6 °FAverage July
80.9 °FHighest 8 July, 2025
104.6 °F
Climate (2020–Present)
Lewiston, Lewiston-Nez Perce County Airport (31.1 miles)
Average Low 2020–2025
45.4 °FAverage 2020–2025
55.4 °FAverage High 2020–2025
65.8 °F