I-495 MA weather conditions near Chelmsford, Massachusetts

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: Partly Cloudy 71°F 2026-05-04T17:51:00-04:00
• Tonight 2026-05-04, Mostly Clear. Mostly clear, with a low around 51. South wind 7 to 11 mph, with gusts as high as 26 mph.
• Tuesday 2026-05-05, Sunny. Sunny, with a high near 82. Southwest wind 9 to 17 mph, with gusts as high as 39 mph.
• Tuesday Night 2026-05-05, Mostly Cloudy. Mostly cloudy, with a low around 59. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
• Wednesday 2026-05-06, Mostly Cloudy then Showers Likely. Showers likely, mainly after 4pm. Mostly cloudy, with a high near 72. South wind 10 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
• Wednesday Night 2026-05-06, Showers. Showers and possibly a thunderstorm before 1am, then showers likely. Low around 50. South wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
• Thursday 2026-05-07, Chance Showers. A chance of showers. Partly sunny, with a high near 66. Northwest wind around 6 mph. Chance of precipitation is 30%.
• Thursday Night 2026-05-07, Chance Showers. A chance of showers before 1am. Mostly cloudy, with a low around 44. Northwest wind around 5 mph. Chance of precipitation is 30%.
• Friday 2026-05-08, Mostly Sunny. Mostly sunny, with a high near 62. West wind 6 to 10 mph, with gusts as high as 20 mph.
• Friday Night 2026-05-08, Mostly Clear. Mostly clear, with a low around 45. Southwest wind around 5 mph.
• Saturday 2026-05-09, Mostly Sunny. Mostly sunny, with a high near 63. Southwest wind 5 to 9 mph.
• Saturday Night 2026-05-09, Chance Showers. A chance of showers. Mostly cloudy, with a low around 44. Southwest wind around 6 mph. Chance of precipitation is 40%.
• Sunday 2026-05-10, Mostly Sunny. Mostly sunny, with a high near 69. West wind 5 to 9 mph.
• Sunday Night 2026-05-10, Mostly Cloudy. Mostly cloudy, with a low around 48. Southwest wind around 6 mph.
• Monday 2026-05-11, Chance Showers. A chance of showers. Partly sunny, with a high near 66. Southwest wind 5 to 7 mph. Chance of precipitation is 40%.