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Cambridge, Massachusetts weather · now

88°

Partly Cloudy

Feels
87°
High / Low
89° / 68°
Wind
41 mph NW
Humidity
36%
No precipitation expected in the next 1.7 hours.
ModerateAir quality PollenTreeNoneGrassModerateWeedModerate
Sun 5:47 AM 7:51 PM 14h 4m
Moon Waning Crescent 3% lit

Current weather and 7-day forecast for Cambridge, Massachusetts, sourced directly from the National Weather Service. Expect mostly sunny today. Today's high is 89° with a low near 68°.

What to wear today

Loose, light, and water nearby

89°F — wear breathable fabrics and stay hydrated.

Next 24 hours

60° 80° 95° ↑ 89° ↓ 68° 2 PM 5 PM 8 PM 11 PM 2 AM 5 AM 8 AM 11 AM

  1. 2 PM

    88°

    0%

  2. 4 PM

    89°

    0%

  3. 6 PM

    88°

    0%

  4. 8 PM

    84°

    0%

  5. 10 PM

    78°

    1%

  6. 12 AM

    75°

    0%

  7. 2 AM

    72°

    0%

  8. 4 AM

    70°

    1%

  9. 6 AM

    68°

    3%

  10. 8 AM

    72°

    4%

  11. 10 AM

    79°

    3%

  12. 12 PM

    82°

    3%

Live radar

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7 days

  1. Today 8/11 Mostly Sunny 2% 89° · 68°
    1. 2 PM 88° Mostly Sunny
    2. 3 PM 89° Mostly Sunny
    3. 4 PM 89° Mostly Sunny
    4. 5 PM 89° Mostly Sunny
    5. 6 PM 88° Partly Cloudy
    6. 7 PM 86° Partly Cloudy
    7. 8 PM 84° Mostly Clear
    8. 9 PM 80° Partly Cloudy 1%
    9. 10 PM 78° Partly Cloudy 1%
    10. 11 PM 77° Partly Cloudy
  2. Wed 8/12 Mostly Sunny 11% 85° · 67°
    1. 12 AM 75° Partly Cloudy
    2. 1 AM 74° Partly Cloudy
    3. 2 AM 72° Partly Cloudy
    4. 3 AM 70° Partly Cloudy 1%
    5. 4 AM 70° Mostly Cloudy 1%
    6. 5 AM 69° Partly Cloudy 2%
    7. 6 AM 68° Partly Sunny 3%
    8. 7 AM 70° Partly Sunny 3%
    9. 8 AM 72° Mostly Sunny 4%
    10. 9 AM 75° Mostly Sunny 4%
    11. 10 AM 79° Mostly Sunny 3%
    12. 11 AM 81° Mostly Sunny 3%
    13. 12 PM 82° Mostly Sunny 3%
    14. 1 PM 83° Mostly Sunny 3%
    15. 2 PM 84° Mostly Sunny 3%
    16. 3 PM 84° Mostly Sunny 2%
    17. 4 PM 84° Mostly Sunny 2%
    18. 5 PM 85° Mostly Sunny 2%
    19. 6 PM 84° Partly Cloudy 3%
    20. 7 PM 82° Partly Cloudy 4%
    21. 8 PM 80° Partly Cloudy 5%
    22. 9 PM 77° Mostly Clear 6%
    23. 10 PM 76° Partly Cloudy 7%
    24. 11 PM 75° Mostly Clear 7%
  3. Thu 8/13 Chance Showers And Thunderstorms 42% 86° · 67°
    1. 12 AM 73° Partly Cloudy 7%
    2. 1 AM 72° Partly Cloudy 6%
    3. 2 AM 70° Partly Cloudy 5%
    4. 3 AM 69° Partly Cloudy 7%
    5. 4 AM 68° Partly Cloudy 9%
    6. 5 AM 68° Mostly Clear 11%
    7. 6 AM 68° Sunny 9%
    8. 7 AM 70° Mostly Sunny 8%
    9. 8 AM 72° Mostly Sunny 6%
    10. 9 AM 75° Sunny 1%
    11. 10 AM 78° Mostly Sunny 14%
    12. 11 AM 81° Slight Chance Showers And Thunderstorms 17%
    13. 12 PM 83° Slight Chance Showers And Thunderstorms 19%
    14. 1 PM 85° Slight Chance Showers And Thunderstorms 22%
    15. 2 PM 86° Slight Chance Showers And Thunderstorms 24%
    16. 3 PM 86° Chance Showers And Thunderstorms 30%
    17. 4 PM 86° Chance Showers And Thunderstorms 36%
    18. 5 PM 85° Chance Showers And Thunderstorms 42%
    19. 6 PM 83° Chance Rain Showers 37%
    20. 7 PM 81° Chance Rain Showers 32%
    21. 8 PM 79° Chance Rain Showers 27%
    22. 9 PM 78° Chance Rain Showers 25%
    23. 10 PM 76° Slight Chance Rain Showers 23%
    24. 11 PM 75° Slight Chance Rain Showers 21%
  4. Fri 8/14 Sunny 13% 83° · 61°
    1. 12 AM 74° Slight Chance Rain Showers 19%
    2. 1 AM 72° Slight Chance Rain Showers 16%
    3. 2 AM 71° Partly Cloudy 14%
    4. 3 AM 70° Mostly Clear 13%
    5. 4 AM 68° Mostly Clear 12%
    6. 5 AM 68° Mostly Clear 11%
    7. 6 AM 68° Sunny 11%
    8. 7 AM 69° Sunny 12%
    9. 8 AM 70° Sunny 12%
    10. 9 AM 73° Sunny 11%
    11. 10 AM 75° Sunny 11%
    12. 11 AM 78° Sunny 10%
    13. 12 PM 80° Sunny 11%
    14. 1 PM 82° Sunny 11%
    15. 2 PM 82° Sunny 11%
    16. 3 PM 83° Sunny 12%
    17. 4 PM 83° Sunny 12%
    18. 5 PM 82° Sunny 13%
    19. 6 PM 80° Mostly Clear 11%
    20. 7 PM 77° Clear 9%
    21. 8 PM 76° Clear 7%
    22. 9 PM 73° Clear 5%
    23. 10 PM 71° Clear 4%
    24. 11 PM 69° Clear 2%
  5. Sat 8/15 Sunny 1% 83° · 61°
    1. 12 AM 67° Clear 1%
    2. 1 AM 66° Clear 1%
    3. 2 AM 65° Clear 1%
    4. 3 AM 64° Clear 1%
    5. 4 AM 62° Clear 1%
    6. 5 AM 62° Clear
    7. 6 AM 62° Sunny
    8. 7 AM 64° Sunny 1%
    9. 8 AM 66° Sunny 1%
    10. 9 AM 69° Sunny 1%
    11. 10 AM 73° Sunny 1%
    12. 11 AM 76° Sunny 1%
    13. 12 PM 78° Sunny 1%
    14. 1 PM 80° Sunny 1%
    15. 2 PM 81° Sunny 1%
    16. 3 PM 82° Sunny 1%
    17. 4 PM 82° Sunny 1%
    18. 5 PM 82° Sunny 1%
    19. 6 PM 81° Mostly Clear 1%
    20. 7 PM 78° Mostly Clear 1%
    21. 8 PM 76° Partly Cloudy 1%
    22. 9 PM 74° Partly Cloudy
    23. 10 PM 72° Partly Cloudy
    24. 11 PM 70° Partly Cloudy
  6. Sun 8/16 Sunny 32% 83° · 65°
    1. 12 AM 68° Partly Cloudy
    2. 1 AM 67° Partly Cloudy
    3. 2 AM 65° Mostly Clear
    4. 3 AM 63° Mostly Clear
    5. 4 AM 62° Mostly Clear
    6. 5 AM 61° Mostly Clear
    7. 6 AM 62° Sunny
    8. 7 AM 63° Sunny 1%
    9. 8 AM 66° Sunny 1%
    10. 9 AM 70° Sunny 1%
    11. 10 AM 74° Sunny 1%
    12. 11 AM 77° Sunny 1%
    13. 12 PM 79° Sunny 2%
    14. 1 PM 80° Sunny 3%
    15. 2 PM 81° Mostly Sunny 3%
    16. 3 PM 82° Mostly Sunny 4%
    17. 4 PM 82° Mostly Sunny 5%
    18. 5 PM 82° Mostly Sunny 6%
    19. 6 PM 80° Partly Cloudy 8%
    20. 7 PM 78° Partly Cloudy 10%
    21. 8 PM 76° Mostly Cloudy 9%
    22. 9 PM 74° Mostly Cloudy 10%
    23. 10 PM 72° Mostly Cloudy 12%
    24. 11 PM 71° Mostly Cloudy 13%
  7. Mon 8/17 Chance Rain Showers 39% 81° · 64°
    1. 12 AM 70° Slight Chance Rain Showers 15%
    2. 1 AM 69° Slight Chance Rain Showers 17%
    3. 2 AM 68° Chance Rain Showers 25%
    4. 3 AM 67° Chance Rain Showers 28%
    5. 4 AM 66° Chance Rain Showers 30%
    6. 5 AM 66° Chance Rain Showers 32%
    7. 6 AM 66° Chance Rain Showers 33%
    8. 7 AM 67° Chance Rain Showers 34%
    9. 8 AM 69° Chance Rain Showers 37%
    10. 9 AM 71° Chance Rain Showers 38%
    11. 10 AM 74° Chance Rain Showers 38%
    12. 11 AM 76° Chance Rain Showers 39%
    13. 12 PM 77° Chance Rain Showers 38%
    14. 1 PM 78° Chance Rain Showers 37%
    15. 2 PM 79° Chance Rain Showers 37%
    16. 3 PM 80° Chance Rain Showers 37%
    17. 4 PM 80° Chance Rain Showers 36%
    18. 5 PM 80° Chance Rain Showers 35%
    19. 6 PM 79° Chance Rain Showers 32%
    20. 7 PM 77° Chance Rain Showers 30%
    21. 8 PM 75° Slight Chance Rain Showers 19%
    22. 9 PM 73° Slight Chance Rain Showers 17%
    23. 10 PM 72° Slight Chance Rain Showers 15%
    24. 11 PM 70° Partly Cloudy 13%
Extended outlook days 8–16
  1. Tue 8/18 Cloudy 16% 82° · 63°
  2. Wed 8/19 Cloudy 8% 88° · 63°
  3. Thu 8/20 Drizzle 14% 88° · 66°
  4. Fri 8/21 Cloudy 18% 87° · 66°
  5. Sat 8/22 Rain Showers 25% 84° · 69°
  6. Sun 8/23 Rain Showers 23% 68° · 61°
  7. Mon 8/24 Mostly Sunny 19% 73° · 52°
  8. Tue 8/25 Sunny 23% 71° · 53°
  9. Wed 8/26 Sunny 20% 72° · 55°

Days 8+ from the Open-Meteo multi-model ensemble — treat as a guide; accuracy drops past day 7.

Best day this week

Mild temps, low rain chance, clearer skies.

Saturday, 8/15

Sunny, 83° / 61°

  1. Tomorrow85°67°
  2. Thu86°67°
  3. Fri83°61°
  4. Sat83°61°
  5. Sun83°65°
  6. Mon81°64°

Best time to head outside

Picks the upcoming daytime hour with the most favorable conditions for each activity. Factors in temperature, wind, precipitation timing, and pollen.

Climate normals

What weather to expect in Cambridge

Cambridge in August typically averages 79° highs and 62° lows, with about 12 days of rain. The hottest stretch is July (average high 83°); the coldest is February (average low 18°). May is the wettest month on average.

MonthAvg highAvg lowRainy days
Jan33°19°14
Feb33°18°11
Mar49°31°16
Apr57°40°15
May67°52°19
Jun79°62°13
Jul83°67°18
Aug79°62°12
Sep73°57°12
Oct63°47°8
Nov52°37°12
Dec38°25°12

Normals derived from the past two years of observations via Open-Meteo's historical archive.

More for Cambridge

Other cities in Massachusetts

Detailed forecast (NWS)

This Afternoon
Mostly sunny, with a high near 89. Northwest wind around 10 mph.
Wednesday
Mostly sunny, with a high near 85. Northeast wind 2 to 6 mph.
Thursday
A chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 86. West wind 3 to 8 mph. Chance of precipitation is 40%.
Friday
Sunny, with a high near 83. Northwest wind 6 to 13 mph.

Forecast details

NWS gridpoint
BOX 70,101
Radar station
KBOX
Time zone
America/New_York
Coordinates
42.374, -71.110