I-495 MA weather conditions near I-495 MA MA exit 20, Massachusetts
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Current Weather Conditions
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7 day weather forecast
Current condition: Fair 69°F 2025-07-01T00:53:00-04:00 
Overnight 2025-07-01, Chance Showers and Patchy Fog. A chance of showers and thunderstorms, mainly after 4am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 69. South wind around 6 mph. Chance of precipitation is 30%.Tuesday 2025-07-01, Chance Showers and Patchy Fog then Chance T-storms. A chance of showers and thunderstorms before 11am, then a chance of showers and thunderstorms after 3pm. Patchy fog before 8am. Otherwise, cloudy, then gradually becoming mostly sunny and hot, with a high near 90. Heat index values as high as 98. Southwest wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night 2025-07-01, Chance T-storms and Patchy Fog. A chance of showers and thunderstorms. Patchy fog between 9pm and 1am. Otherwise, mostly cloudy, with a low around 70. Southwest wind around 6 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday 2025-07-02, Slight Chance Showers. A slight chance of showers before 2pm. Mostly cloudy, with a high near 85. Southwest wind around 6 mph. Chance of precipitation is 20%.
Wednesday Night 2025-07-02, Mostly Cloudy. Mostly cloudy, with a low around 65. West wind around 6 mph.Thursday 2025-07-03, Sunny then Slight Chance T-storms. A slight chance of showers and thunderstorms after 4pm. Sunny, with a high near 89. West wind 5 to 7 mph. Chance of precipitation is 20%.
Thursday Night 2025-07-03, Mostly Clear. Mostly clear, with a low around 62. Northwest wind around 6 mph.
Independence Day 2025-07-04, Sunny. Sunny, with a high near 82. Northwest wind around 7 mph.- Friday Night 2025-07-04, Mostly Clear. Mostly clear, with a low around 60. Light northwest wind.
Saturday 2025-07-05, Mostly Sunny. Mostly sunny, with a high near 86. Calm wind becoming west around 5 mph in the afternoon.- Saturday Night 2025-07-05, Partly Cloudy. Partly cloudy, with a low around 67. Southwest wind around 6 mph.
Sunday 2025-07-06, Hot. Partly sunny and hot, with a high near 91. Southwest wind 6 to 9 mph, with gusts as high as 21 mph.- Sunday Night 2025-07-06, Mostly Cloudy. Mostly cloudy, with a low around 72. Southwest wind 7 to 9 mph.
Monday 2025-07-07, Mostly Sunny then Chance T-storms. A chance of showers and thunderstorms. Mostly sunny and hot, with a high near 93. West wind 6 to 8 mph. Chance of precipitation is 30%.