Lewiston, MI Weather & Growing Conditions
Today
86°F
Sunny
Sunny. High near 86, with temperatures falling to around 84 in the afternoon. Southwest wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Sunny | 5 to 10 mph SW | 0% |
| Tonight | 61°F | Mostly Cloudy then Chance Showers And Thunderstorms | 5 to 10 mph SW | 52% |
| Wednesday | 77°F | Showers And Thunderstorms Likely | 0 to 5 mph SW | 60% |
| Wednesday Night | 54°F | Chance Showers And Thunderstorms | 0 to 5 mph N | 44% |
| Thursday | 79°F | Chance Rain Showers then Partly Sunny | 0 to 5 mph NE | 44% |
| Thursday Night | 54°F | Mostly Clear | 0 to 5 mph S | 10% |
| Friday | 84°F | Sunny | 0 to 5 mph SW | 4% |
| Friday Night | 59°F | Mostly Clear | 5 mph SW | 4% |
| Saturday | 84°F | Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 18% |
| Saturday Night | 60°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 0 to 10 mph SW | 40% |
| Sunday | 83°F | Chance Showers And Thunderstorms | 5 to 10 mph W | 43% |
| Sunday Night | 58°F | Chance Showers And Thunderstorms | 0 to 10 mph W | 45% |
| Monday | 81°F | Chance Rain Showers | 0 to 5 mph W | 37% |
| Monday Night | 56°F | Chance Rain Showers | 0 to 5 mph NW | 34% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Lewiston, MI
Last spring frost
May 19
First fall frost
Oct 2
Growing season
136 days
Hardiness zone
5a
Explore more for Lewiston, MI: full frost dates · planting calendar · Michigan frost dates
Climate data from the nearest NOAA station, Mio Hydro Plt, Mi (12.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.