Petersburg, ND Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Petersburg, a city in Nelson County, North Dakota.
Overnight
32°F
Areas Of Fog
Areas of fog. Cloudy. Low around 32, with temperatures rising to around 36 overnight. North wind around 13 mph.
7-day forecast for Petersburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 32°F | Areas Of Fog | 13 mph N | 0% |
| Wednesday | 46°F | Areas Of Fog then Mostly Cloudy | 13 to 16 mph N | 0% |
| Wednesday Night | 27°F | Mostly Cloudy | 16 mph N | 0% |
| Thursday | 37°F | Partly Sunny | 7 to 16 mph NNE | 0% |
| Thursday Night | 20°F | Partly Cloudy | 2 to 6 mph SE | 0% |
| Friday | 44°F | Mostly Sunny | 7 to 15 mph SSW | 0% |
| Friday Night | 28°F | Partly Cloudy | 12 mph SSW | 0% |
| Saturday | 52°F | Mostly Sunny | 12 to 22 mph WSW | 2% |
| Saturday Night | 31°F | Partly Cloudy | 10 to 17 mph W | 0% |
| Sunday | 52°F | Sunny | 9 to 13 mph SW | 0% |
| Sunday Night | 36°F | Partly Cloudy | 9 to 17 mph SW | 0% |
| Monday | 54°F | Mostly Sunny | 17 to 26 mph W | 1% |
| Monday Night | 31°F | Partly Cloudy | 9 to 14 mph WNW | 0% |
| Tuesday | 49°F | Mostly Sunny | 8 to 12 mph WSW | 2% |
Forecast source: National Weather Service (api.weather.gov) for Petersburg (48.018, -98.001). Updated through the day.
Growing snapshot for Petersburg
Last spring frost
May 11
First fall frost
Sep 28
Growing season
138 days
Hardiness zone
4a
More local growing data for Petersburg: nearby ZIP 58272 weather · frost dates · planting calendar · North Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Petersburg 2 N, Nd (2.2 mi from Petersburg). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.