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Boston, Massachusetts · now

52°

Cloudy

High / Low
66° / 52°
Wind
21 mph SSE
Humidity
67%

Tomorrow· Thursday63°/48°· Rain Showers

cooler than yesterday at this time

No precipitation expected in the next 1.6 hours.

Current weather and 7-day forecast for Boston, Massachusetts, sourced directly from the National Weather Service. Expect slight chance rain showers today. Today's high is 66° with a low near 52°.

What to wear today

Long sleeves or short — your call

Sweet spot at 66°F. Most people will be comfortable in either.

Temperature · next 24 hours

45° 60° 70° 65° 51° 8 AM 11 AM 2 PM 5 PM 8 PM 11 PM 2 AM 5 AM

Next 24 hours

  1. 8 AM

    51°

    14%

  2. 10 AM

    57°

    20%

  3. 12 PM

    60°

    22%

  4. 2 PM

    62°

    11%

  5. 4 PM

    64°

    6%

  6. 6 PM

    65°

    8%

  7. 8 PM

    61°

    6%

  8. 10 PM

    57°

    4%

  9. 12 AM

    56°

    3%

  10. 2 AM

    56°

    7%

  11. 4 AM

    54°

    12%

  12. 6 AM

    54°

    16%

Live radar

View full radar →

7 days

  1. Today 5/13 Slight Chance Rain Showers 23% 66° · 52°
  2. Thu 5/14 Rain Showers 91% 63° · 48°
  3. Fri 5/15 Rain Showers 75% 56° · 48°
  4. Sat 5/16 Sunny 4% 76° · 57°
  5. Sun 5/17 Sunny 7% 80° · 55°
  6. Mon 5/18 Mostly Sunny 15% 74° · 55°
  7. Tue 5/19 Mostly Sunny 21% 83° · 60°
Extended outlook days 8–16
  1. Wed 5/20 Cloudy 40% 72° · 62°
  2. Thu 5/21 Cloudy 32% 61° · 52°
  3. Fri 5/22 Cloudy 23% 66° · 53°
  4. Sat 5/23 Partly Cloudy 21% 66° · 54°
  5. Sun 5/24 Cloudy 27% 73° · 54°
  6. Mon 5/25 Cloudy 35% 78° · 55°
  7. Tue 5/26 Cloudy 19% 85° · 61°
  8. Wed 5/27 Cloudy 20% 87° · 66°
  9. Thu 5/28 Cloudy 23% 71° · 63°

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

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.

  • Run9 AM

    comfortable at 55°F · calm wind · slight chance of rain (17%) · pollen high today — allergy sufferers, take note

    Excellent100 / 100
  • Bike12 PM

    comfortable at 60°F · light wind (10 mph) · slight chance of rain (22%) · pollen high today — allergy sufferers, take note

    Excellent100 / 100
  • Golf1 PM

    comfortable at 61°F · breezy (13 mph) · slight chance of rain (16%) · pollen high today — allergy sufferers, take note

    Excellent100 / 100
  • Picnic5 PM

    cool but workable at 65°F · breezy (16 mph) · no rain expected · pollen high today — allergy sufferers, take note

    Excellent95 / 100

Climate normals

What weather to expect in Boston

Boston in May typically averages 67° highs and 51° lows, with about 20 days of rain. The hottest stretch is July (average high 85°); the coldest is February (average low 18°).

MonthAvg highAvg lowRainy days
Jan33°19°14
Feb34°18°11
Mar49°31°16
Apr58°40°15
May67°51°20
Jun79°61°15
Jul85°68°18
Aug80°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.

Forecast details

NWS gridpoint
BOX 71,101
Radar station
KBOX
Time zone
America/New_York
Coordinates
42.360, -71.059