Barrett, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Barrett, a city in Grant County, Minnesota.
This Afternoon
50°F
Mostly Cloudy
Mostly cloudy. High near 50, with temperatures falling to around 46 in the afternoon. North northwest wind around 21 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Barrett
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 50°F | Mostly Cloudy | 21 mph NNW | 11% |
| Tonight | 41°F | Light Rain | 15 to 18 mph NNW | 87% |
| Wednesday | 46°F | Light Rain | 20 mph NNW | 91% |
| Wednesday Night | 36°F | Chance Light Rain then Mostly Cloudy | 14 to 18 mph NNW | 35% |
| Thursday | 43°F | Partly Sunny | 10 to 16 mph N | 2% |
| Thursday Night | 30°F | Mostly Cloudy | 2 to 8 mph NE | 0% |
| Friday | 43°F | Mostly Sunny | 5 mph SSE | 0% |
| Friday Night | 30°F | Partly Cloudy | 6 mph S | 0% |
| Saturday | 53°F | Mostly Sunny | 6 to 10 mph SW | 5% |
| Saturday Night | 34°F | Partly Cloudy | 7 mph WNW | 12% |
| Sunday | 54°F | Mostly Sunny | 8 mph WSW | 4% |
| Sunday Night | 37°F | Partly Cloudy | 7 mph S | 0% |
| Monday | 56°F | Mostly Sunny | 7 to 16 mph W | 1% |
| Monday Night | 36°F | Mostly Clear | 5 to 9 mph WNW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Barrett (45.913, -95.905). Updated through the day.
Growing snapshot for Barrett
Last spring frost
May 4
First fall frost
Oct 1
Growing season
150 days
Hardiness zone
4b
More local growing data for Barrett: nearby ZIP 56311 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Morris W Cntrl Rsch & Outreach, Mn (21.3 mi from Barrett). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.