I-495 MA weather conditions near Chelmsford, Massachusetts
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Current Weather Conditions
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7 day weather forecast
Current condition: NA°F 2025-06-21T09:17:40-00:00 - Today 2025-06-21, Sunny. Sunny, with a high near 86. West wind 3 to 8 mph.
Tonight 2025-06-21, Chance T-storms. A chance of showers and thunderstorms, mainly after 3am. Mostly cloudy, with a low around 69. Light south wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.Sunday 2025-06-22, Chance Showers then Chance T-storms. A chance of showers and thunderstorms, mainly before 2pm. Partly sunny and hot, with a high near 94. Heat index values as high as 101. West wind 7 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night 2025-06-22, Partly Cloudy. Partly cloudy, with a low around 73. North wind 3 to 5 mph.
Monday 2025-06-23, Hot. Mostly sunny and hot, with a high near 95. Calm wind becoming south around 6 mph in the afternoon.
Monday Night 2025-06-23, Mostly Clear. Mostly clear, with a low around 75. West wind around 5 mph.- Tuesday 2025-06-24, Hot. Sunny and hot, with a high near 101. West wind 5 to 7 mph.
- Tuesday Night 2025-06-24, Mostly Clear. Mostly clear, with a low around 75. West wind around 6 mph.
Wednesday 2025-06-25, Mostly Sunny. Mostly sunny, with a high near 86. Northeast wind around 7 mph.
Wednesday Night 2025-06-25, Mostly Cloudy. Mostly cloudy, with a low around 63. Light southeast wind.Thursday 2025-06-26, Mostly Cloudy then Chance Showers. A chance of showers. Mostly cloudy, with a high near 77. Northeast wind 3 to 6 mph. Chance of precipitation is 30%.
Thursday Night 2025-06-26, Chance Showers. A chance of showers. Mostly cloudy, with a low around 62. East wind 3 to 5 mph. Chance of precipitation is 40%.
Friday 2025-06-27, Chance Showers. A chance of showers. Mostly cloudy, with a high near 76. East wind around 7 mph. Chance of precipitation is 50%.