I-495 MA weather conditions near Chelmsford, Massachusetts
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Overcast 38°F 2025-11-12T08:51:00-05:00 
Today 2025-11-12, Mostly Cloudy. Mostly cloudy, with a high near 44. Southwest wind 7 to 10 mph, with gusts as high as 22 mph.
Tonight 2025-11-12, Mostly Cloudy. Mostly cloudy, with a low around 35. Southwest wind 5 to 8 mph.
Thursday 2025-11-13, Mostly Sunny. Mostly sunny, with a high near 48. West wind 7 to 11 mph.
Thursday Night 2025-11-13, Mostly Clear. Mostly clear, with a low around 31. Northwest wind 5 to 7 mph.
Friday 2025-11-14, Sunny. Sunny, with a high near 46. Northwest wind 6 to 8 mph.- Friday Night 2025-11-14, Mostly Clear. Mostly clear, with a low around 26. Northwest wind around 6 mph.
- Saturday 2025-11-15, Sunny. Sunny, with a high near 45. Northwest wind 6 to 8 mph.
Saturday Night 2025-11-15, Chance Rain. A chance of rain after 11pm. Mostly cloudy, with a low around 31. West wind around 5 mph becoming light and variable. Chance of precipitation is 50%.Sunday 2025-11-16, Rain then Chance Rain. Rain, mainly before noon. High near 52. South wind 6 to 8 mph becoming west in the afternoon. Chance of precipitation is 80%.
Sunday Night 2025-11-16, Chance Rain then Partly Cloudy. A chance of rain before midnight. Mostly cloudy, with a low around 33. West wind around 8 mph. Chance of precipitation is 30%.
- Monday 2025-11-17, Mostly Sunny. Mostly sunny, with a high near 45. West wind 9 to 13 mph, with gusts as high as 26 mph.
Monday Night 2025-11-17, Partly Cloudy. Partly cloudy, with a low around 30. West wind 6 to 8 mph.- Tuesday 2025-11-18, Mostly Sunny. Mostly sunny, with a high near 45. West wind 7 to 9 mph, with gusts as high as 20 mph.