Halfmoon Lake Weather Forecast
- 42
- 47
Chance Rain
- 34
- 51
Chance Rain/Snow
- 35
- 52
Rain/Snow Likely
- 29
- 50
Partly Sunny
- 37
- 49
Chance Rain
- 41
- 64
Slight Chance Rain
- 44
- 70
Mostly Cloudy
Today 11 Mar Moses Lake Area
Mostly cloudy. A chance of rain or snow in the Morning, then a chance of rain in the afternoon. Patchy blowing dust in the afternoon. Highs in the upper 40s to mid 50s. Windy. South wind 5 to 15 Mph with Gusts up to 30 Mph shifting to the southwest 20 to 30 Mph with Gusts up to 45 Mph in the afternoon. Chance of precipitation 50 percent.
Tonight 11 Mar Moses Lake Area
Mostly cloudy with a chance of rain or snow. Patchy blowing dust. Lows in the mid 30s to lower 40s. Very windy. Southwest wind 25 to 40 Mph with Gusts up to 55 Mph. Chance of precipitation 50 percent.
Halfmoon Lake Temperature Statistics
March Temperature
Grant County Airport (20.5 miles)
Lowest 2 March, 2026
24.7 °FAverage March
46.8 °FHighest 7 March, 2026
71.1 °F
Climate (2021–Present)
Grant County Airport (20.5 miles)
Average Low 2021–2026
41 °FAverage 2021–2026
52.8 °FAverage High 2021–2026
64.3 °F