Porter, MN Weather & Growing Conditions
Tonight
57°F
Chance Drizzle
A chance of drizzle before 4am. Cloudy, with a low around 57. Northeast wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 57°F | Chance Drizzle | 5 to 10 mph NE | 47% |
| Saturday | 64°F | Cloudy | 5 to 10 mph NNE | 14% |
| Saturday Night | 54°F | Mostly Cloudy | 5 to 10 mph NNE | 7% |
| Sunday | 66°F | Mostly Cloudy | 5 to 15 mph NE | 9% |
| Sunday Night | 51°F | Cloudy then Chance Rain Showers | 5 to 10 mph ENE | 35% |
| Monday | 63°F | Chance Rain Showers | 5 to 10 mph E | 36% |
| Monday Night | 47°F | Mostly Cloudy | 0 to 10 mph E | 9% |
| Tuesday | 65°F | Partly Sunny | 0 to 10 mph ESE | 2% |
| Tuesday Night | 48°F | Partly Cloudy | 5 to 10 mph SE | 1% |
| Wednesday | 68°F | Mostly Sunny | 5 to 10 mph SSE | 6% |
| Wednesday Night | 52°F | Mostly Cloudy then Chance Rain Showers | 5 to 10 mph SSE | 27% |
| Thursday | 71°F | Chance Rain Showers | 5 to 10 mph S | 27% |
| Thursday Night | 54°F | Partly Cloudy | 5 mph S | 8% |
| Friday | 73°F | Partly Sunny | 5 to 10 mph SSE | 9% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Porter, MN
Last spring frost
May 2
First fall frost
Oct 5
Growing season
156 days
Hardiness zone
5a
Explore more for Porter, MN: full frost dates · planting calendar · Minnesota frost dates
Climate data from the nearest NOAA station, Canby, Mn (7.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.