Merrill, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Merrill, a city in Lincoln County, Wisconsin.
This Afternoon
62°F
Scattered Rain Showers
Scattered rain showers. Cloudy. High near 62, with temperatures falling to around 53 in the afternoon. South southwest wind around 8 mph, with gusts as high as 18 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Merrill
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 62°F | Scattered Rain Showers | 8 mph SSW | 49% |
| Tonight | 41°F | Rain Showers | 5 to 8 mph WSW | 76% |
| Thursday | 46°F | Rain Showers Likely then Cloudy | 8 to 16 mph NNW | 67% |
| Thursday Night | 27°F | Mostly Cloudy | 9 to 13 mph N | 2% |
| Friday | 44°F | Partly Sunny | 7 to 12 mph N | 1% |
| Friday Night | 21°F | Mostly Clear | 2 to 6 mph NNW | 0% |
| Saturday | 48°F | Sunny | 2 to 7 mph WNW | 0% |
| Saturday Night | 27°F | Mostly Clear | 5 mph W | 1% |
| Sunday | 53°F | Sunny | 5 to 9 mph WNW | 1% |
| Sunday Night | 28°F | Mostly Clear | 1 to 5 mph W | 0% |
| Monday | 58°F | Mostly Sunny | 2 to 12 mph SW | 0% |
| Monday Night | 33°F | Mostly Clear | 3 to 7 mph W | 1% |
| Tuesday | 55°F | Mostly Sunny | 3 to 8 mph WNW | 0% |
| Tuesday Night | 29°F | Partly Cloudy | 0 to 3 mph NW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Merrill (45.181, -89.700). Updated through the day.
Growing snapshot for Merrill
Last spring frost
May 11
First fall frost
Sep 30
Growing season
139 days
Hardiness zone
4b
More local growing data for Merrill: nearby ZIP 54452 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Merrill, Wi (7 mi from Merrill). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.