Petersburg, ND Weather & Growing Conditions
Tonight
32°F
Patchy Fog
Patchy fog after 8pm. Cloudy. Low around 32, with temperatures rising to around 35 overnight. North wind 12 to 15 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 32°F | Patchy Fog | 12 to 15 mph N | 0% |
| Wednesday | 46°F | Patchy Fog then Mostly Cloudy | 16 to 21 mph N | 0% |
| Wednesday Night | 29°F | Partly Cloudy | 17 mph N | 0% |
| Thursday | 37°F | Partly Sunny | 7 to 18 mph NNE | 0% |
| Thursday Night | 23°F | Partly Cloudy | 5 mph SE | 0% |
| Friday | 44°F | Mostly Sunny | 6 to 14 mph SSW | 0% |
| Friday Night | 30°F | Partly Cloudy | 12 mph SW | 0% |
| Saturday | 52°F | Mostly Sunny | 13 to 21 mph WSW | 9% |
| Saturday Night | 33°F | Partly Cloudy | 12 to 15 mph W | 5% |
| Sunday | 52°F | Mostly Sunny | 10 to 14 mph SW | 1% |
| Sunday Night | 37°F | Mostly Cloudy | 10 to 18 mph SW | 0% |
| Monday | 54°F | Mostly Sunny | 18 to 29 mph W | 0% |
| Monday Night | 32°F | Partly Cloudy | 9 to 15 mph W | 0% |
| Tuesday | 48°F | Mostly Sunny | 9 to 14 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Petersburg, ND
Last spring frost
May 11
First fall frost
Sep 28
Growing season
138 days
Hardiness zone
4a
Explore more for Petersburg, ND: full frost dates · planting calendar · North Dakota frost dates
Climate data from the nearest NOAA station, Petersburg 2 N, Nd (2.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.