Lewiston, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lewiston, a city in Winona County, Minnesota.
Tonight
52°F
Rain Showers
Rain showers. Cloudy. Low around 52, with temperatures rising to around 56 overnight. Southeast wind 6 to 12 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Lewiston
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Rain Showers | 6 to 12 mph SE | 94% |
| Wednesday | 54°F | Rain Showers | 8 to 13 mph SW | 79% |
| Wednesday Night | 45°F | Rain Showers | 14 mph W | 92% |
| Thursday | 49°F | Rain Showers | 14 mph NW | 76% |
| Thursday Night | 37°F | Mostly Cloudy | 9 to 14 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 | 2 to 6 mph SW | 0% |
| Saturday Night | 35°F | Partly Cloudy | 3 to 8 mph W | 9% |
| Sunday | 56°F | Mostly Sunny | 9 mph W | 10% |
| Sunday Night | 37°F | Mostly Clear | 8 mph SW | 4% |
| Monday | 58°F | Mostly Sunny | 8 to 13 mph SW | 0% |
| Monday Night | 40°F | Mostly Clear | 8 mph W | 1% |
| Tuesday | 56°F | Sunny | 8 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov) for Lewiston (43.982, -91.869). Updated through the day.
Growing snapshot for Lewiston
Last spring frost
May 8
First fall frost
Oct 3
Growing season
147 days
Hardiness zone
4b
More local growing data for Lewiston: nearby ZIP 55952 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Altura
Elba
Goodview
Homer
Minneiska
Minnesota City
Pickwick
Rollingstone
St. Charles
Stockton
Utica
Winona
Climate data from the nearest NOAA station, Rushford, Mn (10.7 mi from Lewiston). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.