St. Hilaire, MN Weather & Growing Conditions
Today
71°F
Sunny
Sunny. High near 71, with temperatures falling to around 69 in the afternoon. West northwest wind 9 to 14 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 71°F | Sunny | 9 to 14 mph WNW | 0% |
| Tonight | 49°F | Mostly Clear | 3 to 12 mph SW | 0% |
| Wednesday | 79°F | Sunny | 5 to 14 mph SW | 0% |
| Wednesday Night | 57°F | Slight Chance Rain Showers | 12 mph SW | 18% |
| Thursday | 82°F | Sunny | 8 to 13 mph WSW | 6% |
| Thursday Night | 58°F | Mostly Clear | 5 to 10 mph SSW | 4% |
| Friday | 80°F | Sunny | 6 to 13 mph W | 3% |
| Friday Night | 54°F | Mostly Clear | 3 to 12 mph NNE | 9% |
| Saturday | 78°F | Mostly Sunny | 3 to 10 mph NE | 9% |
| Saturday Night | 56°F | Mostly Clear | 5 to 10 mph NNE | 14% |
| Sunday | 77°F | Mostly Sunny | 5 to 9 mph N | 12% |
| Sunday Night | 56°F | Partly Cloudy then Slight Chance Rain Showers | 5 to 9 mph NNE | 22% |
| Monday | 77°F | Slight Chance Rain Showers then Mostly Sunny | 5 to 10 mph NNE | 22% |
| Monday Night | 56°F | Slight Chance Rain Showers | 5 to 10 mph NNE | 15% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for St. Hilaire, MN
Last spring frost
May 9
First fall frost
Sep 30
Growing season
142 days
Hardiness zone
3b
Explore more for St. Hilaire, MN: full frost dates · planting calendar · Minnesota frost dates
Climate data from the nearest NOAA station, Red Lake Falls, Mn (8.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.