Garrison, ND Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Garrison, a city in Mclean County, North Dakota.
This Afternoon
48°F
Mostly Sunny
Mostly sunny. High near 48, with temperatures falling to around 39 in the afternoon. Northwest wind around 9 mph.
7-day forecast for Garrison
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 48°F | Mostly Sunny | 9 mph NW | 0% |
| Tonight | 25°F | Mostly Clear | 6 mph NW | 0% |
| Wednesday | 52°F | Mostly Sunny | 5 to 10 mph NW | 0% |
| Wednesday Night | 24°F | Partly Cloudy | 3 to 7 mph N | 0% |
| Thursday | 44°F | Mostly Sunny | 5 mph E | 0% |
| Thursday Night | 24°F | Partly Cloudy | 6 mph S | 0% |
| Friday | 52°F | Mostly Sunny | 6 to 9 mph SW | 0% |
| Friday Night | 31°F | Mostly Clear | 8 mph SW | 2% |
| Saturday | 55°F | Mostly Sunny | 9 to 18 mph W | 3% |
| Saturday Night | 29°F | Mostly Clear | 3 to 10 mph W | 1% |
| Sunday | 59°F | Sunny | 3 to 10 mph SW | 0% |
| Sunday Night | 38°F | Partly Cloudy | 9 to 14 mph SW | 0% |
| Monday | 56°F | Sunny | 10 to 18 mph W | 0% |
| Monday Night | 31°F | Partly Cloudy | 5 to 8 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov) for Garrison (47.653, -101.422). Updated through the day.
Growing snapshot for Garrison
Last spring frost
May 12
First fall frost
Oct 3
Growing season
143 days
Hardiness zone
4a
More local growing data for Garrison: nearby ZIP 58565 weather · frost dates · planting calendar · North Dakota frost dates
Nearby towns & communities
Benedict
Butte
Coleharbor
Max
Mercer
Pick City
Riverdale
Ruso
Ryder
Turtle Lake
Underwood
Washburn
White Shield
Climate data from the nearest NOAA station, Riverdale, Nd (0.4 mi from Garrison). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.