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Extreme Heat Watch in effect from July 1, 10:00 AM EDT until July 4, 08:00 PM EDT

Current conditions at

Boston, Logan International Airport (KBOS)

Lat: 42.36°NLon: 71.01°WElev: 20ft.

A Few Clouds

76°F

24°C

Humidity	56%
Wind Speed	E 8 mph
Barometer	30.09 in (1018.9 mb)
Dewpoint	59°F (15°C)
Visibility	10.00 mi
Heat Index	78°F (26°C)
Last update	29 Jun 2:54 pm EDT

More Information:

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

Extended Forecast for

Boston, Logan International Airport MA

Extreme Heat Watch July 1, 10:00am until July 4, 08:00pm

Click here for hazard details and duration

Extreme Heat Watch

Tonight
Low: 64 °F
Mostly Clear
Tuesday
High: 91 °F
Hot
Tuesday Night
Low: 70 °F
Slight Chance
T-storms then
Chance
Showers
Wednesday
High: 99 °F
Hot
Wednesday Night
Low: 75 °F
Partly Cloudy
Thursday
High: 102 °F
Hot
Thursday Night
Low: 77 °F
Mostly Clear
Friday
High: 96 °F
Hot
Friday Night
Low: 74 °F
Partly Cloudy

Detailed Forecast

Tonight

Mostly clear, with a low around 64. East wind around 6 mph becoming light and variable in the evening.

Tuesday

Mostly sunny and hot, with a high near 91. Light southwest wind becoming south 5 to 9 mph in the morning.

Tuesday Night

A slight chance of showers and thunderstorms, then a chance of showers after 2am. Mostly cloudy, with a low around 70. Southwest wind 9 to 11 mph. Chance of precipitation is 30%.

Wednesday

Mostly sunny and hot, with a high near 99. Heat index values as high as 110. Southwest wind around 10 mph.

Wednesday Night

Partly cloudy, with a low around 75. Southwest wind around 9 mph.

Thursday

Sunny and hot, with a high near 102. West wind 7 to 9 mph.

Thursday Night

Mostly clear, with a low around 77. West wind 7 to 9 mph.

Friday

Sunny and hot, with a high near 96. West wind 8 to 10 mph.

Friday Night

Partly cloudy, with a low around 74. West wind around 5 mph.

Independence Day

A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 91. Southwest wind 5 to 9 mph. Chance of precipitation is 30%.

Saturday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 71. West wind around 6 mph. Chance of precipitation is 30%.

Sunday

Mostly sunny, with a high near 89. West wind 5 to 9 mph.

Sunday Night

A chance of showers. Partly cloudy, with a low around 68. North wind around 5 mph becoming west after midnight. Chance of precipitation is 30%.

Monday

A chance of showers. Mostly sunny, with a high near 83. Light and variable wind becoming east 5 to 10 mph in the morning. Chance of precipitation is 30%.