Arnegard, ND Weather & Growing Conditions
Today
50°F
Mostly Sunny
Mostly sunny. High near 50, with temperatures falling to around 46 in the afternoon. Northwest wind 7 to 10 mph, with gusts as high as 18 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 50°F | Mostly Sunny | 7 to 10 mph NW | 0% |
| Tonight | 25°F | Partly Cloudy | 1 to 7 mph N | 0% |
| Thursday | 48°F | Mostly Sunny | 2 to 9 mph SE | 0% |
| Thursday Night | 30°F | Partly Cloudy | 6 to 9 mph S | 0% |
| Friday | 52°F | Mostly Sunny | 6 to 14 mph W | 0% |
| Friday Night | 34°F | Mostly Clear | 7 to 13 mph SW | 0% |
| Saturday | 55°F | Sunny | 12 to 18 mph W | 0% |
| Saturday Night | 31°F | Mostly Clear | 5 to 9 mph SW | 0% |
| Sunday | 61°F | Mostly Sunny | 6 to 15 mph SW | 0% |
| Sunday Night | 39°F | Partly Cloudy | 12 mph W | 1% |
| Monday | 55°F | Mostly Sunny | 9 to 16 mph W | 0% |
| Monday Night | 32°F | Partly Cloudy | 7 mph SW | 1% |
| Tuesday | 56°F | Mostly Sunny | 6 to 10 mph S | 1% |
| Tuesday Night | 36°F | Partly Cloudy | 8 mph SW | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Arnegard, ND
Last spring frost
May 9
First fall frost
Sep 27
Growing season
139 days
Hardiness zone
4a
Explore more for Arnegard, ND: full frost dates · planting calendar · North Dakota frost dates
Climate data from the nearest NOAA station, Watford City, Nd (8.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.