Dangerous Heat Building in the South; Severe Storms From Plains To MS Valley

Intensifying high pressure is producing dangerous heat and humidity in the south-central U.S. with heat indexes possibly exceeding 110. Triple digit heat will also continue for some western areas. Elsewhere, a front moving through the central U.S. may produce severe thunderstorms and heavy rainfall in parts of the Plains and MS Valley through Friday. Read More >

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Current conditions at

Boston, Logan International Airport (KBOS)

Lat: 42.36°NLon: 71.01°WElev: 20ft.

A Few Clouds

78°F

26°C

Humidity	50%
Wind Speed	E 10 mph
Barometer	30.19 in (1022.2 mb)
Dewpoint	58°F (14°C)
Visibility	10.00 mi
Heat Index	79°F (26°C)
Last update	20 Jul 11:54 am EDT

More Information:

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

Extended Forecast for

Cambridge MA

This
Afternoon

Sunny
High: 82 °F
Tonight

Clear
Low: 58 °F
Saturday

Mostly Sunny
High: 75 °F
Saturday
Night

Heavy Rain
Low: 65 °F
Sunday

Heavy Rain
and Patchy
Fog
High: 80 °F
Sunday
Night

Chance
Showers and
Patchy Fog
Low: 72 °F
Monday

Showers
Likely and
Patchy Fog
High: 82 °F
Monday
Night

Mostly Cloudy
Low: 73 °F
Tuesday

Chance
Showers
High: 85 °F

Detailed Forecast

This Afternoon

Sunny, with a high near 82. East wind 8 to 10 mph.

Tonight

Clear, with a low around 58. Southeast wind 3 to 6 mph.

Saturday

Mostly sunny, with a high near 75. Light northeast wind becoming east 5 to 10 mph in the morning.

Saturday Night

Showers likely and possibly a thunderstorm, mainly after 1am. Some of the storms could produce gusty winds and heavy rain. Mostly cloudy, with a low around 65. East wind around 8 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Sunday

Showers likely and possibly a thunderstorm before 11am, then a chance of showers and thunderstorms after 11am. Some of the storms could produce gusty winds and heavy rain. Patchy fog before 1pm. Otherwise, mostly cloudy, with a high near 80. East wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.

Sunday Night

A chance of showers and thunderstorms. Patchy fog before 3am, then patchy fog after 5am. Otherwise, mostly cloudy, with a low around 72. Chance of precipitation is 40%.

Monday

Showers likely, mainly before 11am. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 82. Chance of precipitation is 60%.

Monday Night

Mostly cloudy, with a low around 73.

Tuesday

A chance of showers before 1pm. Partly sunny, with a high near 85. Chance of precipitation is 30%.

Tuesday Night

Mostly cloudy, with a low around 72.

Wednesday

A chance of showers. Partly sunny, with a high near 84. Chance of precipitation is 30%.

Wednesday Night

A chance of showers. Mostly cloudy, with a low around 71. Chance of precipitation is 40%.