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: Fair 54°F 2025-10-15T16:51:00-04:00 
Tonight 2025-10-15, Mostly Clear. Mostly clear, with a low around 38. Northwest wind 6 to 10 mph, with gusts as high as 24 mph.
Thursday 2025-10-16, Sunny. Sunny, with a high near 54. Northwest wind 9 to 13 mph, with gusts as high as 29 mph.
Thursday Night 2025-10-16, Partly Cloudy. Partly cloudy, with a low around 40. North wind 6 to 10 mph, with gusts as high as 20 mph.- Friday 2025-10-17, Sunny. Sunny, with a high near 62. North wind 7 to 9 mph, with gusts as high as 21 mph.
- Friday Night 2025-10-17, Mostly Clear. Mostly clear, with a low around 38. Northwest wind 3 to 6 mph.
- Saturday 2025-10-18, Sunny. Sunny, with a high near 64. Light northwest wind.
- Saturday Night 2025-10-18, Partly Cloudy. Partly cloudy, with a low around 38. Calm wind.
- Sunday 2025-10-19, Mostly Sunny. Mostly sunny, with a high near 68. Calm wind becoming south 5 to 8 mph in the morning.
Sunday Night 2025-10-19, Mostly Cloudy then Chance Showers. A chance of showers after 2am. Mostly cloudy, with a low around 49. South wind 3 to 6 mph. Chance of precipitation is 30%.
Monday 2025-10-20, Chance Showers. A chance of showers. Mostly cloudy, with a high near 65. Southeast wind 6 to 9 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.
Monday Night 2025-10-20, Chance Showers. A chance of showers. Mostly cloudy, with a low around 47. Southwest wind around 6 mph becoming north after midnight. Chance of precipitation is 50%.- Tuesday 2025-10-21, Chance Showers. A chance of showers. Partly sunny, with a high near 64. North wind 6 to 8 mph becoming west in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 50%.
Tuesday Night 2025-10-21, Chance Showers. A chance of showers. Mostly cloudy, with a low around 46. West wind around 6 mph. Chance of precipitation is 40%.
Wednesday 2025-10-22, Chance Showers. A chance of showers. Partly sunny, with a high near 62. West wind 6 to 8 mph. Chance of precipitation is 40%.