Little Round Lake, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Little Round Lake, a community in Sawyer County, Wisconsin.
This Afternoon
63°F
Mostly Cloudy
Mostly cloudy, with a high near 63. Northeast wind around 5 mph.
7-day forecast for Little Round Lake
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 63°F | Mostly Cloudy | 5 mph NE | 12% |
| Tonight | 48°F | Mostly Cloudy | 0 to 5 mph NE | 6% |
| Sunday | 65°F | Mostly Cloudy | 5 to 10 mph NE | 5% |
| Sunday Night | 40°F | Mostly Cloudy | 5 to 10 mph NE | 0% |
| Monday | 64°F | Mostly Cloudy | 5 mph E | 0% |
| Monday Night | 34°F | Partly Cloudy then Patchy Frost | 0 to 5 mph NE | 0% |
| Tuesday | 66°F | Areas Of Frost then Sunny | 0 to 5 mph E | 0% |
| Tuesday Night | 39°F | Mostly Clear | 0 to 5 mph E | 0% |
| Wednesday | 69°F | Sunny | 0 to 5 mph SE | 0% |
| Wednesday Night | 43°F | Mostly Clear | 0 to 5 mph SE | 1% |
| Thursday | 69°F | Mostly Sunny then Slight Chance Rain Showers | 0 to 5 mph SE | 15% |
| Thursday Night | 46°F | Slight Chance Rain Showers then Mostly Cloudy | 0 mph | 15% |
| Friday | 73°F | Partly Sunny | 0 to 5 mph SE | 5% |
| Friday Night | 48°F | Partly Cloudy | 0 mph | 4% |
Forecast source: National Weather Service (api.weather.gov) for Little Round Lake (45.969, -91.369). Updated through the day.
Growing snapshot for Little Round Lake
Last spring frost
May 23
First fall frost
Sep 22
Growing season
122 days
Hardiness zone
4a
More local growing data for Little Round Lake: nearby ZIP 54843 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Hayward Muni Ap, Wi (7.3 mi from Little Round Lake). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.