Bismarck, ND Weather & Growing Conditions
This Afternoon
51°F
Partly Sunny
Partly sunny. High near 51, with temperatures falling to around 47 in the afternoon. Northwest wind around 13 mph, with gusts as high as 23 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 51°F | Partly Sunny | 13 mph NW | 0% |
| Tonight | 28°F | Mostly Cloudy then Patchy Fog | 8 to 12 mph N | 0% |
| Thursday | 41°F | Patchy Fog then Partly Sunny | 2 to 8 mph NE | 0% |
| Thursday Night | 24°F | Partly Cloudy | 3 to 8 mph SE | 0% |
| Friday | 49°F | Mostly Sunny | 9 mph S | 0% |
| Friday Night | 30°F | Mostly Clear | 7 mph S | 0% |
| Saturday | 58°F | Mostly Sunny | 7 to 15 mph W | 0% |
| Saturday Night | 30°F | Mostly Clear | 2 to 8 mph W | 0% |
| Sunday | 59°F | Sunny | 2 to 12 mph SW | 0% |
| Sunday Night | 38°F | Partly Cloudy | 9 mph SW | 0% |
| Monday | 59°F | Mostly Sunny | 9 to 16 mph NW | 0% |
| Monday Night | 32°F | Partly Cloudy | 6 mph W | 1% |
| Tuesday | 55°F | Mostly Sunny | 3 to 8 mph SW | 1% |
| Tuesday Night | 34°F | Partly Cloudy | 6 mph S | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Bismarck, ND
Last spring frost
May 10
First fall frost
Sep 30
Growing season
142 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, Bismarck 2.4 Nnw, Nd (5.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.