Current conditions at
Boston, Logan International Airport (KBOS)
Lat: 42.36°NLon: 71.01°WElev: 20ft.
Overcast
65°F
18°C
| Humidity | 93% |
| Wind Speed | NE 5 mph |
| Barometer | 29.89 in (1012.1 mb) |
| Dewpoint | 63°F (17°C) |
| Visibility | 3.00 mi |
| Last update | 23 Aug 6:54 am EDT |
Extended Forecast for
Charlestown MA
Today

High: 78 °F
Chance
Showers and
Patchy FogTonight
Low: 66 °F
Chance
Showers and
Patchy Fog
then Patchy
FogMonday

High: 82 °F
Becoming
SunnyMonday Night

Low: 62 °F
Mostly Clear
Tuesday

High: 80 °F
Sunny
Tuesday Night

Low: 62 °F
Mostly Clear
Wednesday

High: 83 °F
Sunny
Wednesday Night

Low: 64 °F
Mostly Clear
Thursday

High: 84 °F
Mostly Sunny
Detailed Forecast
Today
A chance of showers, mainly after 1pm. Patchy fog before 1pm. Otherwise, mostly cloudy, with a high near 78. East wind 3 to 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A chance of showers, mainly before 8pm. Patchy fog between 9pm and 1am. Otherwise, mostly cloudy, with a low around 66. Light and variable wind becoming southwest around 6 mph after midnight. Chance of precipitation is 30%.
Monday
Partly sunny, then gradually becoming sunny, with a high near 82. Southwest wind 5 to 11 mph.
Monday Night
Mostly clear, with a low around 62. Southwest wind 3 to 7 mph.
Tuesday
Sunny, with a high near 80. Southwest wind 6 to 10 mph.
Tuesday Night
Mostly clear, with a low around 62. West wind around 6 mph.
Wednesday
Sunny, with a high near 83. West wind 5 to 7 mph.
Wednesday Night
Mostly clear, with a low around 64. Southwest wind 3 to 5 mph.
Thursday
Mostly sunny, with a high near 84. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Thursday Night
A chance of showers after 10pm. Mostly cloudy, with a low around 67. South wind 5 to 8 mph. Chance of precipitation is 40%.
Friday
A chance of showers. Partly sunny, with a high near 82. Southeast wind 5 to 8 mph. Chance of precipitation is 40%.
Friday Night
Partly cloudy, with a low around 67. South wind around 5 mph becoming light and variable.
Saturday
Mostly sunny, with a high near 83. West wind 5 to 7 mph.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Charlestown MA
42.38°N 71.07°W (Elev. 3 ft)
42.38°N 71.07°W (Elev. 3 ft)
2:30 am EDT Aug 23, 2026
7am EDT Aug 23, 2026-6pm EDT Aug 29, 2026


