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Plum Island, MA Weather Forecast
Plum Island, MA Weather Forecast Date: 1003 AM EDT Fri Aug 21 2026
The area/counties/county of: Eastern Essex County Ma, including the city of Gloucester.or toggle through each period.
This Afternoon... Partly sunny. A chance of showers this morning. Cooler. Near steady temperature in the lower 70s. Northeast winds 10 to 15 mph. Chance of rain 30%.
Tonight... Mostly cloudy. A chance of showers after midnight. Lows around 60. Northeast winds 5 to 10 mph. Chance of rain 40%.
Saturday... Cloudy with a 50% chance of showers. Patchy fog. Humid with highs in the lower 70s. Northeast winds 5 to 10 mph with gusts up to 20 mph.
Saturday Night... Showers likely. Patchy fog. Humid. Near steady temperature in the mid 60s. Northeast winds 5 to 10 mph. Chance of rain 70%.
Sunday... Showers likely. Humid with highs in the mid 70s. Northeast winds around 5 mph, becoming southeast in the afternoon. Chance of rain 70%.
Sunday Night... Mostly cloudy. Lows in the mid 60s.
Monday... Mostly clear. Highs in the lower 80s. Lows around 60.
Tuesday... Mostly clear. Highs in the lower 80s. Lows around 60.
Wednesday... Mostly clear. Highs in the lower 80s. Lows around 60.
Wednesday Night... Partly cloudy. Lows in the lower 60s.
POP = Probability of Precipitation
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