Porter, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Porter, a city in Lincoln County, Minnesota.
Tonight
41°F
Light Rain Likely
Rain likely and patchy fog. Cloudy, with a low around 41. Northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Porter
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 41°F | Light Rain Likely | 15 to 20 mph NW | 74% |
| Wednesday | 44°F | Light Rain | 20 mph NW | 98% |
| Wednesday Night | 36°F | Rain then Mostly Cloudy | 15 to 20 mph NNW | 90% |
| Thursday | 43°F | Partly Sunny | 15 mph NNW | 13% |
| Thursday Night | 31°F | Mostly Cloudy | 5 to 10 mph N | 2% |
| Friday | 45°F | Partly Sunny | 0 to 5 mph ESE | 0% |
| Friday Night | 31°F | Partly Cloudy | 5 mph SSW | 0% |
| Saturday | 56°F | Mostly Sunny | 5 to 10 mph WSW | 2% |
| Saturday Night | 37°F | Partly Cloudy | 10 mph W | 4% |
| Sunday | 58°F | Mostly Sunny | 10 mph WSW | 4% |
| Sunday Night | 40°F | Mostly Clear | 5 to 10 mph SW | 1% |
| Monday | 60°F | Mostly Sunny | 10 to 15 mph W | 0% |
| Monday Night | 38°F | Mostly Clear | 5 to 10 mph WNW | 0% |
| Tuesday | 56°F | Mostly Sunny | 5 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov) for Porter (44.641, -96.170). Updated through the day.
Growing snapshot for Porter
Last spring frost
May 2
First fall frost
Oct 5
Growing season
156 days
Hardiness zone
5a
More local growing data for Porter: nearby ZIP 56280 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Canby, Mn (7.8 mi from Porter). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.