Lake Arrowhead, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lake Arrowhead, a community in Adams County, Wisconsin.
Today
80°F
Mostly Cloudy then Isolated Rain Showers
Isolated rain showers after 5pm. Mostly cloudy. High near 80, with temperatures falling to around 77 in the afternoon. West wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
7-day forecast for Lake Arrowhead
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 80°F | Mostly Cloudy then Isolated Rain Showers | 6 to 10 mph W | 15% |
| Tonight | 59°F | Isolated Showers And Thunderstorms | 1 to 6 mph W | 27% |
| Wednesday | 79°F | Partly Sunny | 1 to 6 mph NW | 4% |
| Wednesday Night | 54°F | Partly Cloudy | 0 to 5 mph SW | 1% |
| Thursday | 83°F | Sunny | 0 to 5 mph SW | 1% |
| Thursday Night | 58°F | Mostly Clear | 5 mph S | 0% |
| Friday | 86°F | Sunny | 2 to 10 mph SW | 3% |
| Friday Night | 63°F | Slight Chance Showers And Thunderstorms | 3 to 9 mph SW | 17% |
| Saturday | 86°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 3 to 9 mph SW | 15% |
| Saturday Night | 66°F | Chance Showers And Thunderstorms | 2 to 9 mph SW | 40% |
| Sunday | 86°F | Chance Showers And Thunderstorms | 3 to 9 mph W | 40% |
| Sunday Night | 63°F | Chance Showers And Thunderstorms | 2 to 8 mph SW | 42% |
| Monday | 84°F | Chance Rain Showers | 2 to 7 mph S | 32% |
| Monday Night | 63°F | Chance Showers And Thunderstorms | 2 to 7 mph N | 36% |
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 Aug 4, 2026.