Heat Continues in the Northeast; Fire Weather Threat Persists in the West

Above normal temperatures are expected to continue into midweek for portions of the Northeast, including the I-95 corridor from New York to southern Maine. Critical fire weather conditions are expected in the interior Pacific Northwest, with additional Red Flag Warnings in effect for the Great Basin and Rockies. Read More >

Hazardous Weather Conditions

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Current conditions at

Laurence G Hanscom Field Airport (KBED)

Lat: 42.47°NLon: 71.29°WElev: 132ft.

Fair

78°F

26°C

Humidity	79%
Wind Speed	S 5 mph
Barometer	29.96 in (1015.4 mb)
Dewpoint	71°F (22°C)
Visibility	10.00 mi
Heat Index	80°F (27°C)
Last update	11 Aug 7:51 am EDT

More Information:

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

Extended Forecast for

North Chelmsford MA

Heat Advisory until August 12, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory until August 12, 08:00pm

NOW until
8:00pm Wed

Heat Advisory
Today

Mostly Sunny
then Isolated
T-storms
High: 96 °F
Tonight

Partly Cloudy
Low: 73 °F
Wednesday

Showers
Likely
High: 92 °F
Wednesday
Night

Slight Chance
T-storms
Low: 69 °F
Thursday

Mostly Sunny
High: 90 °F
Thursday
Night

Partly Cloudy
Low: 68 °F
Friday

Mostly Sunny
High: 87 °F
Friday
Night

Partly Cloudy
Low: 64 °F

Detailed Forecast

Today

Isolated showers and thunderstorms after 1pm. Mostly sunny, with a high near 96. Heat index values as high as 101. Southwest wind 3 to 8 mph. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

Tonight

Partly cloudy, with a low around 73. Southwest wind 7 to 9 mph.

Wednesday

A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 92. Southwest wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

A slight chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 69. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

Thursday

Mostly sunny, with a high near 90. Calm wind.

Thursday Night

Partly cloudy, with a low around 68. Calm wind.

Friday

Mostly sunny, with a high near 87. Calm wind becoming east around 5 mph in the afternoon.

Friday Night

Partly cloudy, with a low around 64. Light and variable wind.

Saturday

Mostly sunny, with a high near 81. East wind 5 to 8 mph, with gusts as high as 20 mph.

Saturday Night

Partly cloudy, with a low around 60. Northeast wind 3 to 5 mph.