Weather WorldSecond Sister Lake, MI 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
Second Sister Lake, MI Weather Forecast
Second Sister Lake, MI Weather Forecast Date: 400 PM EDT Sat Aug 29 2026
The area/counties/county of: Washtenaw, including the city of Ann Arbor.or toggle through each period.
Tonight... Mostly cloudy. A slight chance of showers early in the morning. Lows in the mid 60s. South winds up to 5 mph. Chance of rain 20%.
Sunday... Mostly cloudy. A chance of showers in the morning, then a slight chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. South winds 5 to 15 mph. Chance of rain 50%.
Sunday Night... Mostly cloudy. A chance of showers in the evening. Lows in the upper 60s. Southwest winds around 5 mph. Chance of rain 30%.
Monday... Mostly cloudy. Highs in the upper 80s. Southwest winds 5 to 10 mph with gusts up to 20 mph. Heat index readings in the lower 90s.
Monday Night... Partly cloudy. Lows in the lower 70s. Southwest winds 5 to 10 mph.
Tuesday... Partly cloudy in the morning, then becoming mostly cloudy. Highs in the lower 90s. Heat index readings in the upper 90s.
Tuesday Night... Partly cloudy. Lows in the lower 70s.
Wednesday... Partly cloudy. Highs in the lower 90s. Heat index readings in the upper 90s.
Wednesday Night... Partly cloudy. A chance of showers. Lows around 70. Chance of rain 40%.
Thursday... Partly cloudy. Highs in the upper 80s. Heat index readings heat index values up to 90.
Thursday Night... Partly cloudy. Lows in the mid 60s.
Friday... Partly cloudy. Highs in the mid 80s.
Friday Night... Partly cloudy in the evening then clearing. Lows in the lower 60s.
POP = Probability of Precipitation
Second Sister Lake Radar Loop
Use the map search tool if you want to place a location marker on the radar map...