I-495 MA weather conditions near Chelmsford, Massachusetts

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: NA°F 2025-07-06T10:44:19-00:00
• Today 2025-07-06, Hot. Mostly sunny and hot, with a high near 93. Heat index values as high as 97. Light southwest wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
• Tonight 2025-07-06, Mostly Clear. Mostly clear, with a low around 71. Southwest wind around 7 mph.
• Monday 2025-07-07, Mostly Sunny then Slight Chance T-storms. A slight chance of showers and thunderstorms after 3pm. Mostly sunny and hot, with a high near 93. Heat index values as high as 100. Southwest wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
• Monday Night 2025-07-07, Chance Showers. A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Southwest wind 6 to 8 mph. Chance of precipitation is 40%.
• Tuesday 2025-07-08, Showers Likely. A chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 89. Southwest wind around 7 mph. Chance of precipitation is 60%.
• Tuesday Night 2025-07-08, Chance T-storms then Chance Showers. A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Light and variable wind. Chance of precipitation is 50%.
• Wednesday 2025-07-09, Partly Sunny then Chance Showers. A chance of showers after 5pm. Mostly cloudy, with a high near 81. Light and variable wind becoming east around 5 mph in the afternoon. Chance of precipitation is 30%.
• Wednesday Night 2025-07-09, Chance Showers then Mostly Cloudy. A chance of showers before 8pm. Mostly cloudy, with a low around 66. Light east wind. Chance of precipitation is 30%.
• Thursday 2025-07-10, Mostly Cloudy then Chance T-storms. A chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 79. Calm wind becoming east around 6 mph in the afternoon. Chance of precipitation is 30%.
• Thursday Night 2025-07-10, Chance T-storms then Chance Showers. A chance of showers and thunderstorms. Cloudy, with a low around 64. Light east wind. Chance of precipitation is 40%.
• Friday 2025-07-11, Chance Showers. A chance of showers. Mostly cloudy, with a high near 77. East wind 3 to 6 mph. Chance of precipitation is 30%.
• Friday Night 2025-07-11, Chance Showers. A chance of showers. Mostly cloudy, with a low around 63. Light northeast wind. Chance of precipitation is 30%.
• Saturday 2025-07-12, Mostly Cloudy then Chance Showers. A chance of showers. Mostly cloudy, with a high near 79. East wind 3 to 6 mph. Chance of precipitation is 30%.