St. Hilaire, MN Weather & Growing Conditions
Overnight
39°F
Slight Chance Light Rain
A slight chance of rain after 5am. Cloudy. Low around 39, with temperatures rising to around 41 overnight. North wind around 14 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 39°F | Slight Chance Light Rain | 14 mph N | 16% |
| Wednesday | 48°F | Slight Chance Light Rain then Cloudy | 17 mph N | 17% |
| Wednesday Night | 31°F | Mostly Cloudy | 15 mph N | 0% |
| Thursday | 40°F | Mostly Cloudy | 8 to 15 mph NNE | 0% |
| Thursday Night | 21°F | Partly Cloudy | 6 mph E | 0% |
| Friday | 42°F | Sunny | 3 to 12 mph S | 0% |
| Friday Night | 27°F | Partly Cloudy | 10 mph SSW | 0% |
| Saturday | 50°F | Mostly Sunny | 10 to 15 mph SW | 8% |
| Saturday Night | 32°F | Partly Cloudy | 7 to 13 mph W | 5% |
| Sunday | 50°F | Mostly Sunny | 7 to 10 mph WSW | 0% |
| Sunday Night | 35°F | Mostly Cloudy | 7 to 10 mph SSW | 0% |
| Monday | 54°F | Mostly Sunny | 10 to 16 mph W | 1% |
| Monday Night | 31°F | Partly Cloudy | 5 to 10 mph WNW | 1% |
| Tuesday | 48°F | Mostly Sunny | 5 to 8 mph W | 2% |
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 Nov 4, 2026.