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Hazardous Weather Conditions

Severe Thunderstorm Watch in effect from July 20, 04:10 PM EDT until July 20, 09:00 PM EDT

Current conditions at

Boston, Logan International Airport (KBOS)

Lat: 42.36°NLon: 71.01°WElev: 20ft.

Partly Cloudy

86°F

30°C

Humidity	61%
Wind Speed	S 12 mph
Barometer	29.69 in (1005.3 mb)
Dewpoint	71°F (22°C)
Visibility	10.00 mi
Heat Index	91°F (33°C)
Last update	20 Jul 3:54 pm EDT

More Information:

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

Extended Forecast for

Boston MA

Severe T-storm Watch until July 20, 09:00pm

Click here for hazard details and duration

Severe T-storm Watch

Severe T-storm Watch until July 20, 09:00pm
NOW until 9:00pm Sun
Severe T-storm Watch
This Afternoon
High: 89 °F
Severe
Thunderstorms
Tonight
Low: 66 °F
Severe
Thunderstorms
then Mostly
Clear
Monday
High: 78 °F
Sunny
Monday Night
Low: 58 °F
Clear
Tuesday
High: 79 °F
Sunny
Tuesday Night
Low: 59 °F
Mostly Clear
Wednesday
High: 85 °F
Sunny
Wednesday Night
Low: 68 °F
Partly Cloudy

Detailed Forecast

This Afternoon

A chance of showers and thunderstorms. Some of the storms could be severe. Partly sunny, with a high near 89. Southwest wind around 8 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and thunderstorms likely, mainly before 8pm. Some of the storms could be severe. Mostly cloudy, then gradually becoming mostly clear, with a low around 66. Southwest wind around 6 mph becoming northwest in the evening. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday

Sunny, with a high near 78. Northwest wind 9 to 11 mph.

Monday Night

Clear, with a low around 58. North wind around 7 mph.

Tuesday

Sunny, with a high near 79. Northwest wind around 6 mph becoming east in the afternoon.

Tuesday Night

Mostly clear, with a low around 59. Southeast wind around 6 mph becoming light and variable after midnight.

Wednesday

Sunny, with a high near 85. Calm wind becoming southeast 5 to 7 mph in the afternoon.

Wednesday Night

Partly cloudy, with a low around 68. Southwest wind around 8 mph.

Thursday

Mostly sunny and hot, with a high near 91. Southwest wind 8 to 13 mph, with gusts as high as 26 mph.

Thursday Night

Partly cloudy, with a low around 75. Southwest wind 8 to 10 mph, with gusts as high as 20 mph.

Friday

A chance of showers and thunderstorms. Mostly sunny and hot, with a high near 98. Southwest wind 8 to 11 mph. Chance of precipitation is 30%.

Friday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Southwest wind around 7 mph. Chance of precipitation is 30%.

Saturday

A chance of showers and thunderstorms. Partly sunny, with a high near 88. Northwest wind around 7 mph becoming east in the afternoon. Chance of precipitation is 30%.

Saturday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 70. Southeast wind around 5 mph becoming light and variable in the evening. Chance of precipitation is 30%.

Sunday

A chance of showers and thunderstorms. Partly sunny, with a high near 82.