Garrison, ND Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Garrison, a city in Mclean County, North Dakota.
Today
73°F
Sunny
Sunny. High near 73, with temperatures falling to around 71 in the afternoon. West wind 6 to 17 mph, with gusts as high as 28 mph.
7-day forecast for Garrison
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 73°F | Sunny | 6 to 17 mph W | 0% |
| Tonight | 48°F | Mostly Clear | 2 to 14 mph W | 0% |
| Wednesday | 81°F | Mostly Sunny | 6 to 17 mph W | 0% |
| Wednesday Night | 52°F | Mostly Clear | 3 to 15 mph SW | 4% |
| Thursday | 85°F | Sunny | 5 to 14 mph W | 1% |
| Thursday Night | 55°F | Mostly Clear | 5 to 13 mph E | 0% |
| Friday | 84°F | Sunny | 6 to 12 mph N | 0% |
| Friday Night | 54°F | Mostly Clear | 9 mph NE | 3% |
| Saturday | 86°F | Mostly Sunny | 6 to 12 mph NE | 3% |
| Saturday Night | 54°F | Mostly Clear | 8 to 13 mph NE | 6% |
| Sunday | 82°F | Mostly Sunny | 7 to 14 mph E | 10% |
| Sunday Night | 55°F | Slight Chance Showers And Thunderstorms | 13 mph NE | 33% |
| Monday | 80°F | Chance Showers And Thunderstorms | 9 to 14 mph NE | 33% |
| Monday Night | 54°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 9 to 14 mph E | 29% |
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 Aug 4, 2026.