Bismarck, ND Weather & Growing Conditions
Today
49°F
Patchy Fog then Partly Sunny
Patchy fog before 9am. Partly sunny. High near 49, with temperatures falling to around 47 in the afternoon. Northwest wind 8 to 14 mph, with gusts as high as 23 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 49°F | Patchy Fog then Partly Sunny | 8 to 14 mph NW | 0% |
| Tonight | 28°F | Partly Cloudy | 7 to 10 mph N | 0% |
| Thursday | 42°F | Mostly Sunny | 3 to 7 mph N | 0% |
| Thursday Night | 26°F | Partly Cloudy | 6 mph SE | 0% |
| Friday | 49°F | Mostly Sunny | 5 to 8 mph S | 0% |
| Friday Night | 31°F | Mostly Clear | 7 mph SW | 0% |
| Saturday | 57°F | Sunny | 7 to 16 mph W | 0% |
| Saturday Night | 32°F | Mostly Clear | 2 to 9 mph W | 0% |
| Sunday | 58°F | Sunny | 2 to 10 mph S | 0% |
| Sunday Night | 39°F | Partly Cloudy | 10 mph SW | 0% |
| Monday | 58°F | Mostly Sunny | 9 to 15 mph NW | 0% |
| Monday Night | 33°F | Partly Cloudy | 2 to 7 mph W | 1% |
| Tuesday | 54°F | Mostly Sunny | 2 to 7 mph SW | 1% |
| Tuesday Night | 36°F | Partly Cloudy | 5 mph S | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Bismarck, ND
Last spring frost
May 12
First fall frost
Sep 24
Growing season
134 days
Hardiness zone
4a
Explore more for Bismarck, ND: full frost dates · planting calendar · North Dakota frost dates
Climate data from the nearest NOAA station, Breien, Nd (13.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.