DORCHESTER, MA 02121 Weather Forecast & Current Conditions

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BOSTON, MA
Current Weather

10:54 AM EDT JUL 21, 2025
Scattered Clouds
75°F
Feels Like: 75°F
Dewpoint: 54°F
Rel. Hum.: 48%
Visibility: 10 miles
Wind: WNW at 14 mph, gusts to 22
Pressure: 29.87 inches
Last 72 hours

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DORCHESTER, MA 02121
Weather Forecast

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Snow Depth pages
THIS AFTERNOON
Mostly sunny. Highs in the upper 70s. Northwest winds around 15 mph with gusts up to 25 mph.
TONIGHT
Mostly clear. Cooler with lows in the mid 50s. North winds 10 to 15 mph.
TUESDAY
Sunny. Highs in the upper 70s. North winds around 5 mph, becoming east in the afternoon.
TUESDAY NIGHT
Mostly clear. Lows in the upper 50s. South winds 5 to 10 mph, becoming southwest after midnight.
WEDNESDAY
Sunny. Highs in the lower 80s. West winds around 5 mph, becoming south in the afternoon.
WEDNESDAY NIGHT AND THURSDAY
Partly cloudy. Hot. Lows in the upper 60s. Highs around 90.
THURSDAY NIGHT
Mostly clear. Lows in the mid 70s.
FRIDAY
Partly sunny with a chance of showers and thunderstorms. Hot with highs in the mid 90s. Chance of rain 30 percent. Heat index values up to 100.
FRIDAY NIGHT
Mostly cloudy with a chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 30 percent.
SATURDAY AND SATURDAY NIGHT
Mostly cloudy. A chance of showers. Highs in the mid 80s. Lows in the upper 60s. Chance of rain 30 percent.
SUNDAY
Partly sunny. Highs in the lower 80s.

Visible Weather Satellite
DORCHESTER, MA 02121
Infrared Weather Satellite
DORCHESTER, MA 02121
NEXRAD Weather Radar
DORCHESTER, MA 02121

BOSTON, MA 3 hourly weather forecast

weather forecast created  5:00 PM PDT  7/20/2025
Monday
21 JUL 2025
DORCHESTER, MA 02121 weather forecast Day 1, 0 hours 2 AM 70° 70° Clear 1%

0% Thunder
( 1% severe)
NW   12 84% 65°
Low 67° DORCHESTER, MA 02121 weather forecast Day 1, 3 hours 5 AM 68° 68° Clear NW   12 81% 62°
High 79° DORCHESTER, MA 02121 weather forecast Day 1, 6 hours 8 AM 70° 70° Clear 0%

0% Thunder
( 1% severe)
NW   13 71% 60°

Clear



DORCHESTER, MA 02121 weather forecast Day 1, 9 hours 11 AM 75° 75° Clear NNW   15 50% 55°
DORCHESTER, MA 02121 weather forecast Day 1, 12 hours 2 PM 76° 78° Clear 0%

0% Thunder
( 1% severe)
NNW   15 42% 51°
DORCHESTER, MA 02121 weather forecast Day 1, 15 hours 5 PM 77° 78° Clear NNW   14 37% 49°
DORCHESTER, MA 02121 weather forecast Day 1, 18 hours 8 PM 72° 72° Clear 0%

0% Thunder
( 1% severe)
NNW   10 44% 49°
DORCHESTER, MA 02121 weather forecast Day 1, 21 hours 11 PM 67° 67° Clear N   9 54% 50°
Tuesday
22 JUL 2025
DORCHESTER, MA 02121 weather forecast Day 2, 0 hours 2 AM 63° 62° Clear 0%

0% Thunder
( 0% severe)
NNW   9 60% 49°
Low 60° DORCHESTER, MA 02121 weather forecast Day 2, 3 hours 5 AM 61° 60° Clear NNW   8 65% 49°
High 75° DORCHESTER, MA 02121 weather forecast Day 2, 6 hours 8 AM 65° 65° Clear 0%

0% Thunder
( 0% severe)
NNW   7 56% 49°

Partly Cloudy



DORCHESTER, MA 02121 weather forecast Day 2, 9 hours 11 AM 71° 71° Clear N   7 44% 48°
DORCHESTER, MA 02121 weather forecast Day 2, 12 hours 2 PM 72° 72° Partly Cloudy 0%

0% Thunder
( 1% severe)
E   8 44% 49°
DORCHESTER, MA 02121 weather forecast Day 2, 15 hours 5 PM 73° 73° Partly Cloudy ESE   9 44% 50°
DORCHESTER, MA 02121 weather forecast Day 2, 18 hours 8 PM 70° 70° Partly Cloudy 0%

0% Thunder
( 1% severe)
SE   9 53% 52°
DORCHESTER, MA 02121 weather forecast Day 2, 21 hours 11 PM 67° 67° Partly Cloudy S   8 63% 54°

BOSTON, MA extended weather forecast

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Low 58° Low 61° Low 69° Low 74° Low 76°
High 72° High 80° High 90° High 93° High 86°
DORCHESTER, MA 02121 weather forecast Day 3 DORCHESTER, MA 02121 weather forecast Day 4 DORCHESTER, MA 02121 weather forecast Day 5 DORCHESTER, MA 02121 weather forecast Day 6 DORCHESTER, MA 02121 weather forecast Day 7
Partly Cloudy
3% Rain
Partly Cloudy
1% Rain
Partly Cloudy
14% Rain
Partly Cloudy
26% Rain
Partly Cloudy
31% Rain
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