Weather WorldUpper Mystic Lake, MA 7-Day Night Weather Forecast
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Upper Mystic Lake, MA Weather Forecast
Upper Mystic Lake, MA Weather Forecast Date: 703 AM EDT Tue Oct 13 2026
The area/counties/county of: Southeast Middlesex County Ma, including the city of Cambridge.or toggle through each period.
Today... Cloudy. A slight chance of showers with patchy drizzle this morning, then a chance of showers this afternoon. Patchy fog. Cooler with highs in the upper 50s. East winds 5 to 10 mph, becoming southeast this afternoon. Chance of rain 30%.
Tonight... Mostly cloudy with a 40% chance of showers. Patchy fog. Lows in the upper 50s. South winds 5 to 10 mph.
Wednesday... Mostly sunny. Not as cool with highs in the mid 70s. West winds around 10 mph with gusts up to 20 mph.
Wednesday Night... Partly cloudy. Lows in the lower 50s. Northwest winds 5 to 10 mph.
Thursday... Sunny. Much cooler with highs in the lower 60s. Northwest winds 5 to 10 mph.
Thursday Night... Mostly cloudy with a 30% chance of showers. Lows in the mid 40s.
Friday... Showers. Highs in the lower 60s. Chance of rain 90%.
Friday Night... Showers. Lows in the lower 40s. Chance of rain 80%.
Saturday... Mostly sunny. Cooler with highs around 50.
Saturday Night... Mostly clear. Lows in the mid 30s. Highs in the lower 50s.
Sunday... Mostly clear. Lows in the mid 30s. Highs in the lower 50s.
POP = Probability of Precipitation
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