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Groton, MA Weather Forecast
Groton, MA Weather Forecast Date: 1002 AM EDT Thu Sep 24 2026
The area/counties/county of: Northern Middlesex County Ma, including the city of Ayer.or toggle through each period.
This Afternoon... Sunny. Highs in the mid 60s. Northeast winds 10 to 15 mph with gusts up to 25 mph.
Tonight... Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 40s. Northeast winds 5 to 10 mph with gusts up to 20 mph, becoming north after midnight.
Friday... Partly sunny. Highs in the mid 60s. North winds 15 to 20 mph with gusts up to 30 mph.
Friday Night... Showers likely. Lows in the upper 40s. North winds 15 to 20 mph with gusts up to 35 mph. Chance of rain 70%.
Saturday... Showers. Highs in the upper 50s. North winds around 15 mph with gusts up to 35 mph. Chance of rain 80%.
Saturday Night... Showers. Lows in the upper 40s. Chance of rain 90%.
Sunday... Showers. Highs in the upper 50s. Lows in the upper 40s. Chance of rain 90%.
Sunday Night... Showers. Highs in the upper 50s. Lows in the upper 40s. Chance of rain 90%.
Monday... Showers likely. Highs in the upper 50s. Chance of rain 70%.
Monday Night... Mostly cloudy with a 50% chance of showers. Lows in the upper 40s.
Tuesday... Partly sunny. Highs in the mid 60s.
Tuesday Night... Partly cloudy. Lows in the upper 40s. Highs in the lower 70s.
POP = Probability of Precipitation
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