I-495 MA weather conditions near Chelmsford, Massachusetts
Roadnow AI Agent Live Update
Seasoned Weather Conditions
Current Weather Conditions
click anywhere on map to change location
7 day weather forecast
Current condition: Fog/Mist 68°F 2025-07-09T06:51:00-04:00 Today 2025-07-09, Showers and Patchy Fog then Slight Chance T-storms. Showers and thunderstorms before 11am, then isolated showers between 11am and noon, then a slight chance of showers and thunderstorms after noon. Patchy fog before noon. High near 76. Northeast wind 3 to 5 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight 2025-07-09, Patchy Fog then Chance Showers and Patchy Fog. A chance of showers and thunderstorms. Patchy fog after 10pm. Otherwise, cloudy, with a low around 65. Light east wind. Chance of precipitation is 30%.
Thursday 2025-07-10, Showers Likely and Patchy Fog. Showers likely and possibly a thunderstorm before 11am, then showers likely between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Patchy fog before 5pm. Otherwise, cloudy, with a high near 73. Calm wind becoming east around 6 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.Thursday Night 2025-07-10, Chance T-storms and Patchy Fog then Chance Showers. A chance of showers and thunderstorms. Patchy fog before 9pm. Otherwise, cloudy, with a low around 64. Light northeast wind. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday 2025-07-11, Slight Chance T-storms then Partly Sunny. A slight chance of showers and thunderstorms before 9am. Mostly cloudy, with a high near 81. Light and variable wind. Chance of precipitation is 20%.
Friday Night 2025-07-11, Mostly Cloudy. Mostly cloudy, with a low around 65. Light southeast wind.
Saturday 2025-07-12, Partly Sunny. Partly sunny, with a high near 84. Calm wind becoming southeast around 5 mph in the afternoon.- Saturday Night 2025-07-12, Mostly Cloudy. Mostly cloudy, with a low around 66. Light south wind.
- Sunday 2025-07-13, Partly Sunny. Partly sunny, with a high near 87. Calm wind becoming south 5 to 7 mph in the afternoon.
- Sunday Night 2025-07-13, Mostly Cloudy. Mostly cloudy, with a low around 69. South wind around 5 mph becoming calm in the evening.
Monday 2025-07-14, Partly Sunny then Chance Showers. A chance of showers. Partly sunny, with a high near 88. Southwest wind 3 to 6 mph. Chance of precipitation is 30%.
- Monday Night 2025-07-14, Mostly Cloudy. Mostly cloudy, with a low around 69. Light south wind.
Tuesday 2025-07-15, Mostly Sunny. Mostly sunny, with a high near 89. Calm wind becoming south around 6 mph in the afternoon.