Bismarck Weather Forecast
- 63
- 76
Rain Showers Likely
- 62
- 81
Rain Showers Likely
- 64
- 84
Chance Thunderstorms
- 63
- 87
Chance Thunderstorms
- 58
- 82
Slight Chance Thunderstorms
- 58
- 81
Mostly Sunny
Today 29 May St. Francois
Mostly cloudy with numerous Showers and scattered Thunderstorms. Highs in the mid 70s. East Winds around 5 Mph. Chance of rain 70 percent.
Tonight 29 May St. Francois
Mostly cloudy. Scattered Showers and Thunderstorms in the Evening, then isolated Showers after midnight. Lows in the mid 60s. East Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain 40 percent.
Bismarck Temperature Statistics
May Temperature
Farmington Airport (9.9 miles)
Lowest 7 May, 2026
35.1 °FAverage May
64.8 °FHighest 17 May, 2026
87.1 °F
Climate (2021–Present)
Farmington Airport (9.9 miles)
Average Low 2021–2026
47.3 °FAverage 2021–2026
57.1 °FAverage High 2021–2026
67.3 °F