Weather World
Town of Merton, WIMerton, WI 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
Merton, WI Weather Forecast
Merton, WI Weather Forecast Date: 1030 AM CDT Thu Oct 08 2026
The area/counties/county of: Waukesha, including the cities of: Waukesha, Brookfield, New Berlin, Menomonee Falls, and Muskego.or toggle through each period.
Rest of Today... Sunny. Highs in the upper 60s. West winds 5 to 10 mph.
Tonight... Partly cloudy. Lows in the upper 40s. West winds up to 5 mph through around midnight becoming calm.
Friday... Partly sunny. A 40% chance of light rain showers in the afternoon. Highs in the upper 60s. Southeast winds up to 10 mph.
Friday Night... Mostly clear. Lows in the upper 50s. South winds 5 to 10 mph.
Saturday... Warmer, sunny. Highs around 80. South winds 10 to 15 mph.
Saturday Night... Partly cloudy through around midnight then becoming mostly cloudy. Lows in the upper 50s.
Sunday... Mostly sunny. Highs in the lower 70s.
Sunday Night... Partly cloudy. Lows in the mid 50s.
Columbus Day... Partly sunny. A 20% chance of light rain showers in the afternoon. Highs in the mid 70s.
Monday Night... Mostly cloudy with chance of light rain showers and slight chance of thunderstorms through around midnight, then partly cloudy with chance of light rain showers after midnight. Lows in the lower 50s. Chance of precipitation 40%.
Tuesday... Partly sunny. Cooler. Highs in the lower 60s.
Tuesday Night... Partly cloudy. Lows in the lower 40s.
POP = Probability of Precipitation
Merton Radar Loop
Use the map search tool if you want to place a location marker on the radar map...