Heat And Possible Flooding To Start Off The Week

Dangerous heat will impact portions of the Northwest, Northeast, and Mid to Lower Mississippi Valley today. Heat advisories are in effect for these major metro areas: Boston, New York City, Philadelphia, Seattle and St. Louis. A few flash flood concerns today from heavy rain and storms in the Four Corners region, northern New England and the western Ohio Valley into the Mid Mississippi Valley. Read More >

Hazardous Weather Conditions

En Español

Current conditions at

Laurence G Hanscom Field Airport (KBED)

Lat: 42.47°NLon: 71.29°WElev: 132ft.

Fair

88°F

31°C

Humidity	57%
Wind Speed	SW 13 mph
Barometer	29.84 in (1011.4 mb)
Dewpoint	71°F (22°C)
Visibility	10.00 mi
Heat Index	94°F (34°C)
Last update	8 Aug 6:51 pm EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Mobile Weather Hourly Weather Forecast

Extended Forecast for

Lexington MA

Heat Advisory until August 9, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory until August 9, 08:00pm

NOW until
8:00pm Tue

Heat Advisory
Tonight

Heavy Rain
then Mostly
Cloudy
Low: 78 °F
Tuesday

Partly Sunny
then Heavy
Rain
High: 93 °F
Tuesday
Night

Heavy Rain
Low: 67 °F
Wednesday

Slight Chance
Showers
High: 76 °F
Wednesday
Night

Chance
Showers
Low: 67 °F
Thursday

Chance
Showers then
Slight Chance
T-storms
High: 80 °F
Thursday
Night

Partly Cloudy
Low: 64 °F
Friday

Mostly Sunny
High: 79 °F

Detailed Forecast

Tonight

A slight chance of showers and thunderstorms before 9pm. Some of the storms could produce gusty winds and heavy rain. Mostly cloudy, with a low around 78. Southwest wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

Tuesday

A chance of showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Some of the storms could produce gusty winds and heavy rain. Partly sunny, with a high near 93. Southwest wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Tuesday Night

Showers likely and possibly a thunderstorm before 9pm, then a chance of showers and thunderstorms between 9pm and 11pm, then a chance of showers after 11pm. Some of the storms could produce gusty winds and heavy rain. Mostly cloudy, with a low around 67. Northeast wind around 8 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

Wednesday

A slight chance of showers before 5pm. Mostly cloudy, with a high near 76. Northeast wind around 7 mph. Chance of precipitation is 20%.

Wednesday Night

A chance of showers, mainly after 7pm. Mostly cloudy, with a low around 67. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.

Thursday

A chance of showers, with thunderstorms also possible after 3pm. Partly sunny, with a high near 80. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 50%.

Thursday Night

Partly cloudy, with a low around 64. Calm wind becoming northwest around 5 mph after midnight.

Friday

Mostly sunny, with a high near 79. North wind around 7 mph.

Friday Night

Partly cloudy, with a low around 59. North wind around 6 mph.

Saturday

Sunny, with a high near 78. North wind around 7 mph.

Saturday Night

Mostly clear, with a low around 59. Light and variable wind.

Sunday

Sunny, with a high near 82. Light and variable wind becoming west around 6 mph in the morning.