Lewis, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lewis, a community in Burnett County, Wisconsin.
Tonight
52°F
Rain Showers Likely
Rain showers likely and patchy fog. Cloudy, with a low around 52. East wind around 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Lewis
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Rain Showers Likely | 10 mph E | 66% |
| Saturday | 63°F | Slight Chance Rain Showers then Cloudy | 10 mph ENE | 19% |
| Saturday Night | 48°F | Mostly Cloudy | 5 to 10 mph NE | 3% |
| Sunday | 68°F | Mostly Sunny | 5 to 10 mph NE | 0% |
| Sunday Night | 42°F | Mostly Cloudy | 5 to 10 mph ENE | 1% |
| Monday | 65°F | Mostly Cloudy | 5 mph ENE | 2% |
| Monday Night | 39°F | Partly Cloudy | 0 to 5 mph ENE | 2% |
| Tuesday | 66°F | Mostly Sunny | 0 to 5 mph E | 1% |
| Tuesday Night | 41°F | Mostly Clear | 0 to 5 mph ESE | 1% |
| Wednesday | 68°F | Sunny | 0 to 5 mph SE | 0% |
| Wednesday Night | 45°F | Partly Cloudy | 0 to 5 mph ESE | 7% |
| Thursday | 70°F | Mostly Sunny | 0 to 5 mph S | 10% |
| Thursday Night | 48°F | Partly Cloudy | 0 mph | 8% |
| Friday | 72°F | Mostly Sunny | 0 to 5 mph SE | 5% |
Forecast source: National Weather Service (api.weather.gov) for Lewis (45.722, -92.392). Updated through the day.
Growing snapshot for Lewis
Last spring frost
May 11
First fall frost
Oct 1
Growing season
141 days
Hardiness zone
4b
More local growing data for Lewis: nearby ZIP 54872 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Grantsburg, Wi (14.3 mi from Lewis). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.