National Weather Service

Hazardous Weather Conditions

Heat Advisory until July 17, 07:00 PM EDT

Current conditions at

Boston, Logan International Airport (KBOS)

Lat: 42.36°NLon: 71.01°WElev: 20ft.

Mostly Cloudy

88°F

31°C

Humidity	59%
Wind Speed	SW 18 G 28 mph
Barometer	29.80 in (1008.9 mb)
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Heat Index	95°F (35°C)
Last update	17 Jul 11:54 am EDT

More Information:

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

Extended Forecast for

Cambridge MA

Heat Advisory July 17, 12:51pm until July 17, 07:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory July 17, 12:51pm until July 17, 07:00pm
NOW until 7:00pm Thu
Heat Advisory
This Afternoon
High: 91 °F
Chance
T-storms
Tonight
Low: 70 °F
Chance
T-storms then
Mostly Clear
Friday
High: 83 °F
Sunny
Friday Night
Low: 62 °F
Mostly Clear
Saturday
High: 85 °F
Mostly Sunny
Saturday Night
Low: 70 °F
Showers
Likely
Sunday
High: 84 °F
Showers
Likely then
Chance
T-storms
Sunday Night
Low: 64 °F
Mostly Clear

Detailed Forecast

This Afternoon

A chance of showers and thunderstorms, mainly before 4pm. Partly sunny and hot, with a high near 91. Heat index values as high as 98. Southwest wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

A chance of showers and thunderstorms, mainly between 9pm and 10pm. Partly cloudy, with a low around 70. Southwest wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday

Sunny, with a high near 83. Northwest wind 8 to 10 mph.

Friday Night

Mostly clear, with a low around 62. Northwest wind around 5 mph becoming calm in the evening.

Saturday

Mostly sunny, with a high near 85. Calm wind becoming south 5 to 8 mph in the afternoon.

Saturday Night

A chance of showers before 2am, then a chance of showers and thunderstorms between 2am and 4am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 70. South wind around 8 mph. Chance of precipitation is 60%.

Sunday

Showers likely before 2pm, then a chance of showers and thunderstorms between 2pm and 4pm. Partly sunny, with a high near 84. West wind around 8 mph. Chance of precipitation is 60%.

Sunday Night

Mostly clear, with a low around 64. Northwest wind around 6 mph.

Monday

Sunny, with a high near 80. Northwest wind around 8 mph.

Monday Night

Mostly clear, with a low around 59. Northwest wind 3 to 5 mph.

Tuesday

Sunny, with a high near 81. Light and variable wind becoming northeast 5 to 7 mph in the morning.

Tuesday Night

Partly cloudy, with a low around 63. South wind around 6 mph becoming southwest after midnight.

Wednesday

Mostly sunny, with a high near 86. South wind 6 to 10 mph.