Grant, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Grant, a city in Washington County, Minnesota.
This Afternoon
59°F
Light Rain
Rain and patchy fog. Cloudy. High near 59, with temperatures falling to around 56 in the afternoon. North wind around 10 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Grant
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 59°F | Light Rain | 10 mph N | 91% |
| Tonight | 50°F | Rain | 5 to 10 mph NNE | 95% |
| Wednesday | 56°F | Rain | 5 to 10 mph NE | 85% |
| Wednesday Night | 44°F | Light Rain | 10 to 15 mph NNW | 80% |
| Thursday | 48°F | Chance Light Rain then Mostly Cloudy | 15 mph N | 49% |
| Thursday Night | 35°F | Mostly Cloudy | 5 to 10 mph NNE | 2% |
| Friday | 46°F | Mostly Sunny | 0 to 5 mph NE | 0% |
| Friday Night | 31°F | Partly Cloudy | 0 mph | 0% |
| Saturday | 51°F | Mostly Sunny | 0 to 5 mph SSW | 1% |
| Saturday Night | 36°F | Partly Cloudy | 5 mph WSW | 8% |
| Sunday | 54°F | Mostly Sunny | 5 to 10 mph W | 10% |
| Sunday Night | 37°F | Partly Cloudy | 5 mph SSW | 1% |
| Monday | 56°F | Mostly Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 39°F | Mostly Clear | 5 mph WNW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Grant (45.082, -92.911). Updated through the day.
Growing snapshot for Grant
Last spring frost
Apr 30
First fall frost
Oct 11
Growing season
163 days
Hardiness zone
5a
More local growing data for Grant: nearby ZIP 55115 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Afton
Bayport
Birchwood Village
Cottage Grove
Dellwood
Hugo
Lake Elmo
Lake St. Croix Beach
Lakeland
Lakeland Shores
Mahtomedi
Marine on St. Croix
Newport
Oak Park Heights
Oakdale
Pine Springs
Scandia
St. Marys Point
St. Paul Park
Stillwater
Willernie
Woodbury
Climate data from the nearest NOAA station, Stillwater 2Sw, Mn (5 mi from Grant). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.