Tropical Storm Isaias to Impact the Eastern U.S. Early This Week

Tropical Storm Isaias will deliver heavy rainfall, flash and urban flooding, high winds, dangerous storm surge, coastal flooding, life-threatening surf, rip currents, and severe thunderstorms with tornadoes to portions of the Eastern U.S. through early this week. Isaias is expected to track from just offshore of northeastern Florida toward coastal South and North Carolina on Monday. Read More >

Hazardous Weather Conditions

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Current conditions at

Boston, Logan International Airport (KBOS)

Lat: 42.36°NLon: 71.01°WElev: 20ft.

Partly Cloudy

82°F

28°C

Humidity	67%
Wind Speed	SW 16 G 24 mph
Barometer	29.90 in (1012.6 mb)
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Heat Index	86°F (30°C)
Last update	3 Aug 7:54 am EDT

More Information:

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

Extended Forecast for

Boston MA

Tropical Storm Watch until further notice

Click here for hazard details and duration

Tropical Storm Watch until further notice

Tropical Storm Watch until further notice

NOW until further notice

Tropical Storm Watch
Today

Mostly Sunny
High: 92 °F
Tonight

Mostly Clear
then Slight
Chance
Showers
Low: 75 °F
Tuesday

Chance
Showers
High: 83 °F
Tuesday
Night

T-storms and
Windy
Low: 72 °F
Wednesday

Showers
Likely
High: 86 °F
Wednesday
Night

Partly Cloudy
Low: 68 °F
Thursday

Sunny
High: 82 °F
Thursday
Night

Mostly Clear
Low: 66 °F

Detailed Forecast

Today

Mostly sunny, with a high near 92. West wind 11 to 15 mph.

Tonight

A slight chance of showers after 2am. Partly cloudy, with a low around 75. West wind 5 to 9 mph becoming light southwest after midnight. Chance of precipitation is 20%.

Tuesday

A chance of showers, with thunderstorms also possible after 4pm. Cloudy, with a high near 83. South wind 5 to 9 mph. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.

Tuesday Night

Showers and possibly a thunderstorm. Low around 72. Windy, with a south wind 16 to 21 mph increasing to 27 to 32 mph. Winds could gust as high as 45 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

Wednesday

Showers likely and possibly a thunderstorm before 8am, then a chance of showers and thunderstorms, mainly between 8am and 4pm. Partly sunny, with a high near 86. South wind 10 to 16 mph. Chance of precipitation is 60%.

Wednesday Night

Partly cloudy, with a low around 68. West wind 5 to 8 mph.

Thursday

Sunny, with a high near 82. Northwest wind around 6 mph.

Thursday Night

Mostly clear, with a low around 66. Southwest wind 3 to 5 mph.

Friday

Mostly sunny, with a high near 82. Light and variable wind becoming northeast around 5 mph in the afternoon.

Friday Night

Partly cloudy, with a low around 69. Southeast wind around 5 mph becoming calm in the evening.

Saturday

Mostly sunny, with a high near 83. Calm wind becoming east around 6 mph in the afternoon.