Lewis, WI Weather & Growing Conditions
Today
60°F
Slight Chance Drizzle then Cloudy
A slight chance of drizzle before 11am. Cloudy, with a high near 60. East northeast wind 5 to 10 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 60°F | Slight Chance Drizzle then Cloudy | 5 to 10 mph ENE | 22% |
| Tonight | 48°F | Mostly Cloudy | 5 mph NNE | 5% |
| Sunday | 64°F | Mostly Cloudy | 5 to 10 mph NE | 0% |
| Sunday Night | 43°F | Mostly Cloudy | 5 to 10 mph NE | 0% |
| Monday | 66°F | Partly Sunny | 5 mph ENE | 0% |
| Monday Night | 40°F | Partly Cloudy | 0 to 5 mph E | 1% |
| Tuesday | 66°F | Sunny | 0 to 5 mph ESE | 1% |
| Tuesday Night | 40°F | Mostly Clear | 0 to 5 mph SE | 1% |
| Wednesday | 68°F | Sunny | 0 to 5 mph SE | 0% |
| Wednesday Night | 44°F | Mostly Clear | 0 to 5 mph SE | 3% |
| Thursday | 69°F | Mostly Sunny | 0 to 5 mph SSE | 5% |
| Thursday Night | 47°F | Partly Cloudy | 0 mph | 4% |
| Friday | 72°F | Mostly Sunny | 0 to 5 mph SSE | 4% |
| Friday Night | 49°F | Partly Cloudy | 0 to 5 mph SSE | 7% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Lewis, WI
Last spring frost
May 6
First fall frost
Oct 4
Growing season
149 days
Hardiness zone
4b
Explore more for Lewis, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Luck, Wi (9.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.