Castor Lake Weather Forecast
- 41
- 55
Rain Showers
- 35
- 52
Rain Showers Likely
- 35
- 52
Chance Rain Showers
- 38
- 53
Rain Showers Likely
- 35
- 51
Chance Rain Showers
- 33
- 51
Slight Chance Rain Showers
Today 27 Mar Okanogan Valley
Cloudy in the Morning, becoming partly sunny. A chance of rain Showers. A chance of Thunderstorms in the afternoon. Highs in the lower 50s to lower 60s. South wind 5 to 15 Mph in the afternoon. Gusts up to 30 Mph. Chance of precipitation 50 percent. Rainfall Amounts up to a half inch Possible, except higher Amounts possible in Thunderstorms.
Tonight 27 Mar Okanogan Valley
Mostly cloudy. A chance of rain Showers in the Evening, then rain Showers overnight. Lows in the lower to mid 40s. South wind 5 to 15 Mph in the Evening, becoming light and variable. Gusts up to 25 Mph. Chance of precipitation 90 percent. Rainfall Amounts less than a quarter of an inch.
Castor Lake Temperature Statistics
March Temperature
Omak Airport (5.6 miles)
Lowest 14 March, 2025
23.8 °FAverage March
42.4 °FHighest 24 March, 2025
63 °F
Climate (2020–Present)
Omak Airport (5.6 miles)
Average Low 2020–2025
40.6 °FAverage 2020–2025
51.6 °FAverage High 2020–2025
62.4 °F