Mandan Lake Weather Forecast
- 41
- 65
Increasing Clouds
- 47
- 84
Slight Chance Thunderstorms
- 41
- 75
Breezy
- 53
- 82
Partly Sunny
- 50
- 89
Partly Sunny
- 49
- 81
Chance Rain Showers
Today 10 May Oliver
Sunny. Highs in the lower 60s. Light and variable Winds, becoming north up to 5 Mph in the afternoon.
Tonight 10 May Oliver
Increasing Clouds. Lows in the upper 30s. East Winds around 10 Mph with Gusts up to 20 Mph, becoming southeast with Gusts up to 30 Mph after midnight.
Mandan Lake Temperature Statistics
May Temperature
HAZEN (18.6 miles)
Lowest 7 May, 2026
15.8 °FAverage May
49.2 °FHighest 3 May, 2026
75.2 °F
Climate (2021–Present)
HAZEN (18.6 miles)
Average Low 2021–2026
30.3 °FAverage 2021–2026
43.1 °FAverage High 2021–2026
55 °F