Grant, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Grant, a city in Washington County, Minnesota.
Today
75°F
Partly Sunny
Partly sunny, with a high near 75. Northwest wind around 10 mph.
7-day forecast for Grant
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 75°F | Partly Sunny | 10 mph NW | 5% |
| Tonight | 56°F | Patchy Smoke then Partly Cloudy | 0 to 10 mph WNW | 3% |
| Wednesday | 77°F | Sunny | 0 to 5 mph W | 0% |
| Wednesday Night | 59°F | Mostly Clear | 5 mph SW | 0% |
| Thursday | 82°F | Sunny | 5 to 15 mph SSW | 0% |
| Thursday Night | 64°F | Mostly Clear | 10 to 15 mph SSW | 3% |
| Friday | 85°F | Sunny | 5 to 15 mph SSW | 9% |
| Friday Night | 64°F | Chance Showers And Thunderstorms | 5 to 10 mph SSW | 33% |
| Saturday | 84°F | Mostly Sunny | 5 mph SSW | 14% |
| Saturday Night | 65°F | Chance Showers And Thunderstorms | 5 mph N | 50% |
| Sunday | 83°F | Chance Showers And Thunderstorms | 5 to 10 mph SSW | 50% |
| Sunday Night | 63°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 mph NNE | 18% |
| Monday | 81°F | Slight Chance Showers And Thunderstorms | 5 mph NE | 22% |
| Monday Night | 63°F | Slight Chance Showers And Thunderstorms | 5 mph NNE | 23% |
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 Aug 4, 2026.