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 97°F 2025-06-24T12:51:00-04:00 
This Afternoon 2025-06-24, Hot. Sunny and hot, with a high near 103. Heat index values as high as 111. West wind 8 to 10 mph, with gusts as high as 20 mph.
Tonight 2025-06-24, Mostly Clear. Mostly clear, with a low around 76. West wind 3 to 6 mph.Wednesday 2025-06-25, Chance Showers then Chance T-storms. A chance of showers, with thunderstorms also possible after 2pm. Mostly sunny and hot, with a high near 93. Heat index values as high as 96. Northeast wind around 6 mph. Chance of precipitation is 30%.
Wednesday Night 2025-06-25, Slight Chance T-storms then Slight Chance Showers. A slight chance of showers and thunderstorms. Partly cloudy, with a low around 64. Calm wind becoming northeast around 5 mph after midnight. Chance of precipitation is 20%.
Thursday 2025-06-26, Slight Chance Showers. A slight chance of showers. Partly sunny, with a high near 72. East wind around 6 mph. Chance of precipitation is 20%.
Thursday Night 2025-06-26, Chance Showers. A chance of showers. Mostly cloudy, with a low around 58. Light east wind. Chance of precipitation is 30%.
Friday 2025-06-27, Chance Showers. A chance of showers before 9am, then a chance of showers after 3pm. Mostly cloudy, with a high near 70. Calm wind becoming east around 6 mph in the afternoon. Chance of precipitation is 30%.
Friday Night 2025-06-27, Chance Showers. A chance of showers. Mostly cloudy, with a low around 58. Southeast wind 3 to 6 mph. Chance of precipitation is 40%.
Saturday 2025-06-28, Showers Likely. Showers likely, mainly after 11am. Mostly cloudy, with a high near 70. Southeast wind around 7 mph. Chance of precipitation is 60%.
Saturday Night 2025-06-28, Chance Showers. A chance of showers. Mostly cloudy, with a low around 62. Southeast wind around 6 mph becoming light and variable in the evening. Chance of precipitation is 50%.
Sunday 2025-06-29, Mostly Cloudy. Mostly cloudy, with a high near 81. Southwest wind around 6 mph.
Sunday Night 2025-06-29, Mostly Cloudy. Mostly cloudy, with a low around 65. Light southwest wind.- Monday 2025-06-30, Mostly Sunny. Mostly sunny, with a high near 89. Calm wind becoming southwest 5 to 7 mph in the afternoon.