Castle Lake Weather Forecast
- 41
- 65
Decreasing Clouds
- 39
- 66
Mostly Cloudy
- 40
- 63
Mostly Cloudy
- 34
- 58
Partly Sunny
- 38
- 60
Partly Sunny
- 44
- 66
Mostly Cloudy
Today 26 Apr Upper Columbia Basin
Mostly cloudy with a 20 percent chance of rain Showers. Highs in the 60s. Southwest wind 5 to 10 Mph.
Tonight 26 Apr Upper Columbia Basin
Partly cloudy. Lows in the lower 40s. Southwest wind 5 to 10 Mph.
Castle Lake Temperature Statistics
April Temperature
Ephrata, Ephrata Municipal Airport (21.7 miles)
Lowest 8 April, 2024
28.9 °FAverage April
52.3 °FHighest 14 April, 2024
80.7 °F
Climate (2019–Present)
Ephrata, Ephrata Municipal Airport (21.7 miles)
Take a look at our website widgetsAvailable free! Find Out MoreAverage Low 2019–2024
42 °FAverage 2019–2024
52.8 °FAverage High 2019–2024
62.8 °F