Westport, MN Weather & Growing Conditions
Tonight
43°F
Rain
Rain and patchy fog. Cloudy. Low around 43, with temperatures rising to around 46 overnight. North wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 43°F | Rain | 15 mph N | 100% |
| Wednesday | 48°F | Rain | 15 to 20 mph N | 94% |
| Wednesday Night | 38°F | Rain | 15 mph NNW | 85% |
| Thursday | 43°F | Partly Sunny | 10 to 15 mph N | 5% |
| Thursday Night | 31°F | Mostly Cloudy | 0 to 10 mph NNE | 0% |
| Friday | 42°F | Mostly Sunny | 0 to 5 mph SE | 0% |
| Friday Night | 30°F | Partly Cloudy | 0 to 5 mph SSW | 0% |
| Saturday | 51°F | Mostly Sunny | 5 to 10 mph SW | 4% |
| Saturday Night | 35°F | Partly Cloudy | 5 to 10 mph W | 10% |
| Sunday | 53°F | Mostly Sunny | 5 to 10 mph W | 5% |
| Sunday Night | 37°F | Partly Cloudy | 5 mph SSW | 1% |
| Monday | 55°F | Mostly Sunny | 10 to 15 mph WSW | 1% |
| Monday Night | 37°F | Mostly Clear | 5 to 10 mph WNW | 0% |
| Tuesday | 51°F | Mostly Sunny | 5 to 10 mph WNW | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Westport, MN
Last spring frost
May 11
First fall frost
Sep 27
Growing season
139 days
Hardiness zone
4b
Explore more for Westport, MN: full frost dates · planting calendar · Minnesota frost dates
Climate data from the nearest NOAA station, Glenwood 2Wnw, Mn (11.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.