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Chatham, MI Weather Forecast
Chatham, MI Weather Forecast Date: 222 AM EDT Fri Sep 25 2026
The area/counties/county of: Alger, including the cities of: Grand Marais and Munising.or toggle through each period.
Early This Morning... Cloudy. Light south winds.
Today... Sunny. Highs in the mid 70s. Temperature falling into the middle 60s in the afternoon. Light southwest winds, becoming north in the afternoon.
Tonight... Clear. Patchy fog. Lows around 41 inland to around 47 at The shore. Light east winds, becoming southeast after midnight.
Saturday... Patchy fog in the morning. Sunny. Highs around 73. Temperature falling into the middle 60s in the afternoon. Light southeast winds, becoming east in the afternoon.
Saturday Night... Mostly clear. Lows around 39 inland to around 47 at The shore. Highs around 73. Light south winds.
Sunday... Mostly clear. Lows around 39 inland to around 47 at The shore. Highs around 73. Light south winds.
Sunday Night... Partly cloudy. Lows around 45 inland to around 52 at The shore.
Monday... Mostly clear. Highs around 71. Lows around 44 inland to around 51 at The shore.
Monday Night... Mostly clear. Highs around 71. Lows around 44 inland to around 51 at The shore.
Tuesday... Partly cloudy. Highs around 72.
Tuesday Night... Showers likely. Lows around 50 inland to around 56 at The shore. Chance of rain 70%.
Wednesday... Mostly cloudy with a 50% chance of showers. Highs around 67.
Wednesday Night... Mostly cloudy with a 40% chance of showers. Lows around 46 inland to around 52 at The shore.
POP = Probability of Precipitation
Chatham Radar Loop
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