Lewiston, MN Weather & Growing Conditions
Tonight
52°F
Rain Showers
Rain showers. Cloudy. Low around 52, with temperatures rising to around 55 overnight. Southeast wind 7 to 12 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Rain Showers | 7 to 12 mph SE | 94% |
| Wednesday | 55°F | Rain Showers | 8 to 13 mph S | 77% |
| Wednesday Night | 45°F | Rain Showers | 14 mph W | 91% |
| Thursday | 49°F | Rain Showers | 14 mph NW | 76% |
| Thursday Night | 36°F | Mostly Cloudy | 9 to 13 mph N | 10% |
| Friday | 46°F | Partly Sunny | 3 to 9 mph N | 1% |
| Friday Night | 30°F | Partly Cloudy | 2 mph NW | 1% |
| Saturday | 51°F | Mostly Sunny | 1 to 6 mph SW | 0% |
| Saturday Night | 35°F | Partly Cloudy | 3 to 7 mph W | 9% |
| Sunday | 56°F | Mostly Sunny | 9 mph W | 11% |
| Sunday Night | 36°F | Mostly Clear | 8 mph SW | 5% |
| Monday | 59°F | Mostly Sunny | 8 to 13 mph SW | 0% |
| Monday Night | 39°F | Mostly Clear | 8 mph W | 1% |
| Tuesday | 56°F | Sunny | 8 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Lewiston, MN
Last spring frost
May 8
First fall frost
Oct 3
Growing season
147 days
Hardiness zone
4b
Explore more for Lewiston, MN: full frost dates · planting calendar · Minnesota frost dates
Climate data from the nearest NOAA station, Rushford, Mn (10.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.