Mandan, ND Weather & Growing Conditions
Today
74°F
Sunny
Sunny, with a high near 74. West wind 6 to 14 mph, with gusts as high as 24 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 74°F | Sunny | 6 to 14 mph W | 0% |
| Tonight | 49°F | Mostly Clear | 3 to 13 mph W | 0% |
| Wednesday | 82°F | Mostly Sunny | 5 to 12 mph W | 0% |
| Wednesday Night | 53°F | Mostly Clear | 5 to 10 mph SW | 1% |
| Thursday | 88°F | Sunny | 5 to 12 mph W | 0% |
| Thursday Night | 57°F | Mostly Clear | 5 to 10 mph E | 0% |
| Friday | 86°F | Sunny | 7 to 12 mph N | 0% |
| Friday Night | 57°F | Mostly Clear | 9 mph E | 1% |
| Saturday | 89°F | Sunny | 7 to 12 mph NE | 1% |
| Saturday Night | 57°F | Mostly Clear | 8 to 12 mph NE | 4% |
| Sunday | 86°F | Mostly Sunny | 7 to 14 mph E | 9% |
| Sunday Night | 59°F | Slight Chance Showers And Thunderstorms | 10 to 14 mph NE | 30% |
| Monday | 82°F | Chance Showers And Thunderstorms | 10 to 14 mph NE | 30% |
| Monday Night | 58°F | Chance Showers And Thunderstorms | 9 to 14 mph NE | 27% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Mandan, ND
Last spring frost
May 13
First fall frost
Sep 27
Growing season
136 days
Hardiness zone
4a
Explore more for Mandan, ND: full frost dates · planting calendar · North Dakota frost dates
Climate data from the nearest NOAA station, Mandan Exp Stn, Nd (4.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.