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
56°F
Rain Showers
Rain showers. Cloudy. Low around 56, with temperatures rising to around 59 overnight. South wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Lake Arrowhead
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 56°F | Rain Showers | 9 mph S | 81% |
| Wednesday | 61°F | Rain Showers | 8 to 12 mph S | 81% |
| Wednesday Night | 44°F | Rain Showers | 10 mph SW | 90% |
| Thursday | 52°F | Rain Showers | 8 to 12 mph NW | 85% |
| Thursday Night | 34°F | Chance Rain Showers then Mostly Cloudy | 12 mph N | 26% |
| Friday | 48°F | Partly Sunny | 3 to 10 mph N | 5% |
| Friday Night | 29°F | Partly Cloudy | 2 mph N | 1% |
| Saturday | 51°F | Mostly Sunny | 0 to 5 mph W | 1% |
| Saturday Night | 32°F | Partly Cloudy | 1 to 5 mph W | 11% |
| Sunday | 57°F | Slight Chance Rain Showers | 5 to 9 mph W | 16% |
| Sunday Night | 33°F | Mostly Clear | 5 mph W | 3% |
| Monday | 59°F | Mostly Sunny | 3 to 10 mph SW | 1% |
| Monday Night | 36°F | Partly Cloudy | 7 mph W | 0% |
| Tuesday | 58°F | Sunny | 8 mph W | 1% |
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 Nov 4, 2026.