St. Hilaire, MN Weather & Growing Conditions
Overnight
52°F
Mostly Cloudy
Mostly cloudy, with a low around 52. East southeast wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 52°F | Mostly Cloudy | 3 mph ESE | 1% |
| Saturday | 70°F | Mostly Cloudy | 3 to 10 mph NE | 9% |
| Saturday Night | 48°F | Mostly Cloudy | 8 to 12 mph NNE | 4% |
| Sunday | 65°F | Partly Sunny | 10 mph NE | 0% |
| Sunday Night | 42°F | Mostly Cloudy | 5 to 8 mph E | 0% |
| Monday | 67°F | Sunny | 7 mph SE | 0% |
| Monday Night | 41°F | Mostly Clear | 5 to 8 mph SE | 1% |
| Tuesday | 67°F | Sunny | 7 to 13 mph SSE | 1% |
| Tuesday Night | 45°F | Mostly Clear | 10 mph SSE | 0% |
| Wednesday | 69°F | Mostly Sunny | 10 to 17 mph SSE | 2% |
| Wednesday Night | 49°F | Partly Cloudy | 12 mph SSE | 11% |
| Thursday | 71°F | Partly Sunny | 8 to 13 mph SSE | 11% |
| Thursday Night | 53°F | Partly Cloudy | 10 mph SSE | 9% |
| Friday | 73°F | Mostly Sunny | 9 to 15 mph S | 6% |
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 Sep 19, 2026.