Lake Arrowhead, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lake Arrowhead, a community in Adams County, Wisconsin.
Tonight
50°F
Showers And Thunderstorms
Showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy. Low around 50, with temperatures rising to around 52 overnight. East wind around 14 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
7-day forecast for Lake Arrowhead
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 50°F | Showers And Thunderstorms | 14 mph E | 94% |
| Saturday | 64°F | Showers And Thunderstorms | 8 to 13 mph E | 80% |
| Saturday Night | 49°F | Showers And Thunderstorms Likely | 9 mph NE | 71% |
| Sunday | 68°F | Partly Sunny | 9 to 13 mph NE | 9% |
| Sunday Night | 45°F | Mostly Cloudy | 10 mph NE | 1% |
| Monday | 62°F | Mostly Cloudy | 12 mph E | 6% |
| Monday Night | 43°F | Mostly Cloudy | 6 to 9 mph NE | 12% |
| Tuesday | 62°F | Partly Sunny | 7 to 10 mph E | 12% |
| Tuesday Night | 42°F | Partly Cloudy | 2 to 7 mph NE | 3% |
| Wednesday | 66°F | Sunny | 3 to 7 mph NE | 2% |
| Wednesday Night | 45°F | Partly Cloudy | 1 to 5 mph E | 1% |
| Thursday | 69°F | Mostly Sunny | 3 mph NE | 5% |
| Thursday Night | 46°F | Partly Cloudy | 2 mph NE | 5% |
| Friday | 71°F | Mostly Sunny | 1 to 5 mph NE | 4% |
Forecast source: National Weather Service (api.weather.gov) for Lake Arrowhead (44.204, -89.845). Updated through the day.
Growing snapshot for Lake Arrowhead
Last spring frost
May 8
First fall frost
Oct 1
Growing season
145 days
Hardiness zone
4b
More local growing data for Lake Arrowhead: nearby ZIP 54457 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Wisconsin Rapids Alexander Fld, Wi (9.5 mi from Lake Arrowhead). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.