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: Partly Cloudy 93°F 2025-06-23T14:51:00-04:00 
Tonight 2025-06-23, Partly Cloudy. Partly cloudy, with a low around 75. Southwest wind 3 to 7 mph.
Tuesday 2025-06-24, Hot. Sunny and hot, with a high near 103. Heat index values as high as 110. West wind 5 to 10 mph.
Tuesday Night 2025-06-24, Mostly Clear. Mostly clear, with a low around 76. West wind 3 to 7 mph.Wednesday 2025-06-25, Mostly Sunny then Chance Showers. A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 92. North wind 5 to 7 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night 2025-06-25, Chance Showers. A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Light northeast wind. Chance of precipitation is 30%.
Thursday 2025-06-26, Chance Showers. A chance of showers. Mostly cloudy, with a high near 76. East wind around 6 mph. Chance of precipitation is 40%.- Thursday Night 2025-06-26, Chance Showers. A chance of showers. Mostly cloudy, with a low around 59. Light northeast wind. Chance of precipitation is 30%.
Friday 2025-06-27, Chance Showers. A chance of showers. Mostly cloudy, with a high near 72. Southeast wind 3 to 7 mph. Chance of precipitation is 30%.
Friday Night 2025-06-27, Chance Showers. A chance of showers. Mostly cloudy, with a low around 60. Southeast wind 3 to 6 mph. Chance of precipitation is 40%.
Saturday 2025-06-28, Chance Showers. A chance of showers. Mostly cloudy, with a high near 74. South wind 5 to 7 mph. Chance of precipitation is 50%.
Saturday Night 2025-06-28, Chance Showers. A chance of showers. Mostly cloudy, with a low around 63. East wind around 5 mph becoming light and variable in the evening. Chance of precipitation is 50%.Sunday 2025-06-29, Chance Showers then Partly Sunny. A chance of showers. Partly sunny, with a high near 82. North wind around 6 mph becoming west in the afternoon. Chance of precipitation is 30%.
Sunday Night 2025-06-29, Mostly Cloudy. Mostly cloudy, with a low around 65. Light and variable wind.
Monday 2025-06-30, Partly Sunny. Partly sunny, with a high near 87. Calm wind becoming southwest 5 to 7 mph in the afternoon.