CAMBRIDGE, MA 02138 Weather Forecast & Current Conditions

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BOSTON, MA
Current Weather

6:54 AM EDT MAY 18, 2026
Scattered Clouds
61°F
Feels Like: 61°F
Dewpoint: 48°F
Rel. Hum.: 62%
Visibility: 10 miles
Wind: ENE at 6 mph
Pressure: 30.22 inches
Last 72 hours

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CAMBRIDGE, MA 02138
Weather Forecast

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TODAY
Mostly sunny. Highs in the upper 70s. East winds 5 to 10 mph. Gusts up to 20 mph this afternoon.
TONIGHT
Mostly clear. Lows in the mid 60s. South winds 5 to 10 mph. Gusts up to 20 mph in the evening.
TUESDAY
Mostly sunny. Much warmer with highs in the mid 90s. Southwest winds 10 to 15 mph with gusts up to 25 mph.
TUESDAY NIGHT
Partly cloudy. Lows in the lower 70s. Southwest winds 5 to 10 mph. Gusts up to 25 mph in the evening.
WEDNESDAY
Showers likely. Hot with highs in the lower 90s. West winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent.
WEDNESDAY NIGHT
Showers likely. Much cooler with lows in the mid 50s. Chance of rain 70 percent.
THURSDAY
Mostly sunny. Much cooler with highs in the upper 60s.
THURSDAY NIGHT
Mostly clear. Lows in the upper 40s.
FRIDAY
Mostly sunny. Highs in the upper 60s.
FRIDAY NIGHT
Mostly cloudy with a 40 percent chance of showers. Lows in the upper 40s.
SATURDAY AND SATURDAY NIGHT
Showers likely. Highs in the lower 60s. Lows in the upper 40s. Chance of rain 60 percent.
SUNDAY
Mostly cloudy with a 50 percent chance of showers. Highs in the mid 60s.

Visible Weather Satellite
CAMBRIDGE, MA 02138
Infrared Weather Satellite
CAMBRIDGE, MA 02138
NEXRAD Weather Radar
CAMBRIDGE, MA 02138

BOSTON, MA 3 hourly weather forecast

weather forecast created  5:00 PM PDT  5/17/2026
Monday
18 MAY 2026
CAMBRIDGE, MA 02138 weather forecast Day 1, 0 hours 2 AM 62° 61° Mostly Cloudy 1%

0% Thunder
( 1% severe)
NE   8 65% 50°
Low 57° CAMBRIDGE, MA 02138 weather forecast Day 1, 3 hours 5 AM 58° 57° Partly Cloudy ENE   7 69% 48°
High 75° CAMBRIDGE, MA 02138 weather forecast Day 1, 6 hours 8 AM 59° 58° Mostly Cloudy 2%

0% Thunder
( 1% severe)
E   8 62% 46°

Partly Cloudy



CAMBRIDGE, MA 02138 weather forecast Day 1, 9 hours 11 AM 63° 62° Partly Cloudy E   12 52% 45°
CAMBRIDGE, MA 02138 weather forecast Day 1, 12 hours 2 PM 65° 65° Partly Cloudy 2%

0% Thunder
( 5% severe)
E   14 52% 47°
CAMBRIDGE, MA 02138 weather forecast Day 1, 15 hours 5 PM 71° 71° Partly Cloudy ESE   13 47% 50°
CAMBRIDGE, MA 02138 weather forecast Day 1, 18 hours 8 PM 68° 68° Partly Cloudy 4%

0% Thunder
( 10% severe)
S   12 61% 54°
CAMBRIDGE, MA 02138 weather forecast Day 1, 21 hours 11 PM 64° 63° Partly Cloudy SSW   12 75% 56°
Tuesday
19 MAY 2026
CAMBRIDGE, MA 02138 weather forecast Day 2, 0 hours 2 AM 64° 63° Clear 4%

0% Thunder
( 6% severe)
SW   12 78% 57°
Low 61° CAMBRIDGE, MA 02138 weather forecast Day 2, 3 hours 5 AM 64° 63° Partly Cloudy SW   12 81% 58°
High 90° CAMBRIDGE, MA 02138 weather forecast Day 2, 6 hours 8 AM 68° 68° Clear 0%

0% Thunder
( 2% severe)
SW   12 73% 59°

Increasing Clouds



CAMBRIDGE, MA 02138 weather forecast Day 2, 9 hours 11 AM 80° 81° Partly Cloudy SW   13 52% 61°
CAMBRIDGE, MA 02138 weather forecast Day 2, 12 hours 2 PM 85° 85° Partly Cloudy 17%
RAIN
<.01 in
0% Thunder
( 13% severe)
WSW   16 45% 61°
CAMBRIDGE, MA 02138 weather forecast Day 2, 15 hours 5 PM 86° 86° Mostly Cloudy WSW   17 42% 60°
CAMBRIDGE, MA 02138 weather forecast Day 2, 18 hours 8 PM 79° 80° Partly Cloudy 2%

0% Thunder
( 6% severe)
SW   16 56% 62°
CAMBRIDGE, MA 02138 weather forecast Day 2, 21 hours 11 PM 73° 73° Partly Cloudy SW   15 64% 60°

BOSTON, MA extended weather forecast

Wednesday
20 MAY 2026
Thursday
21 MAY 2026
Friday
22 MAY 2026
Saturday
23 MAY 2026
Sunday
24 MAY 2026
Low 70° Low 57° Low 50° Low 54° Low 50°
High 90° High 62° High 67° High 63° High 62°
CAMBRIDGE, MA 02138 weather forecast Day 3 CAMBRIDGE, MA 02138 weather forecast Day 4 CAMBRIDGE, MA 02138 weather forecast Day 5 CAMBRIDGE, MA 02138 weather forecast Day 6 CAMBRIDGE, MA 02138 weather forecast Day 7
Partly Cloudy
44% Rain
Partly Cloudy
11% Rain
Partly Cloudy
8% Rain
Mostly Cloudy
14% Rain
Overcast
20% Rain
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