DORCHESTER, MA 02121 Weather Forecast & Current Conditions

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BOSTON, MA
Current Weather

12:54 AM EDT JUL 21, 2025
Broken Clouds
70°F
Feels Like: 70°F
Dewpoint: 64°F
Rel. Hum.: 81%
Visibility: 10 miles
Wind: NW at 14 mph
Pressure: 29.75 inches
Last 72 hours

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DORCHESTER, MA 02121
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
REST OF TONIGHT
Mostly clear. Lows in the mid 60s. Northwest winds 5 to 10 mph with gusts up to 20 mph.
MONDAY
Mostly sunny. Highs in the upper 70s. Northwest winds 10 to 15 mph.
MONDAY NIGHT
Mostly clear. Lows in the upper 50s. North winds 5 to 10 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 mid 80s.
WEDNESDAY NIGHT AND THURSDAY
Partly cloudy. Hot. Lows in the upper 60s. Highs in the lower 90s.
THURSDAY NIGHT
Partly cloudy. Lows in the mid 70s.
FRIDAY
Partly sunny with a chance of showers and thunderstorms. Hot with highs in the upper 90s. Chance of rain 40 percent. Heat index values up to 105.
FRIDAY NIGHT
Mostly cloudy with a chance of showers and thunderstorms. Lows in the mid 70s. Chance of rain 40 percent. Heat index values up to 105 early in the evening.
SATURDAY AND SATURDAY NIGHT
Partly cloudy. A chance of showers and thunderstorms. Highs in the upper 80s. Lows in the upper 60s. Chance of rain 30 percent.
SUNDAY
Partly sunny with a chance of showers and thunderstorms. Highs in the lower 80s. Chance of rain 30 percent.

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

BAD DAY
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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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