Mirror Lake Weather Forecast
- 73
- 99
Chance Rain Showers
- 69
- 100
Chance Rain Showers
- 65
- 95
Sunny
- 67
- 94
Sunny
- 71
- 97
Hot
- 76
- 100
Hot
Today 15 Jul Upper Columbia Basin
Sunny. Highs in the mid to upper 90s. East wind 5 to 10 Mph.
Tonight 15 Jul Upper Columbia Basin
Haze in the evening. Mostly clear in the Evening, then mostly cloudy with a chance of Showers and Thunderstorms overnight. Lows in the lower 60s to lower 70s. Northeast wind 5 to 10 Mph. Gusts up to 20 Mph overnight. Chance of precipitation 20 percent.
Mirror Lake Temperature Statistics
July Temperature
Ephrata, Ephrata Municipal Airport (19.9 miles)
Lowest 1 July, 2026
55.7 °FAverage July
75.1 °FHighest 7 July, 2026
96.7 °F
Climate (2021–2026)
Ephrata, Ephrata Municipal Airport (19.9 miles)
Average Low 2021–2026
42.3 °FAverage 2021–2026
53.4 °FAverage High 2021–2026
63.8 °F