• Tonight

    Mar 4

    Lo 24°

    Mostly cloudy, a bit of snow

    Asthma Weather
    • Hi
      RealFeel
      36°
    • UV
      3 - Moderate
    • Air Qual.
      Good
  • Thu

    Mar 5

    27°Lo 7°

    Colder with periods of snow

    Beneficial weather for asthma
    • Hi
      RealFeel
      16°
    • UV
      2 - Low
    • Air Qual.
      Good
    more
  • Fri

    Mar 6

    25°Lo 11°

    Mostly sunny and quite cold

    Beneficial weather for asthma
    • Hi
      RealFeel
      30°
    • UV
      4 - Moderate
    • Air Qual.
      Good
    more
  • Sat

    Mar 7

    34°Lo 21°

    Some sun, then clouds

    Beneficial weather for asthma
    • Hi
      RealFeel
      26°
    • UV
      4 - Moderate
    • Cloud
      Cover
      51%
    more
  • Sun

    Mar 8

    38°Lo 24°

    Mostly cloudy

    Beneficial weather for asthma
    • Hi
      RealFeel
      33°
    • UV
      2 - Low
    • Cloud
      Cover
      77%
    more
Next Previous
Hi 41° RealFeel® 36° Precipitation 60%

Day

N

E

S

W

  • WSW 10 mph
  • Gusts: 22 mph

On-and-off rain and drizzle this morning; otherwise, considerable cloudiness and not as cold

  • Max UV Index: 3 (Moderate)
  • Thunderstorms: 1%
  • Precipitation: 0.03 in
  • Rain: 0.03 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1.5 hrs
  • Hours of Rain: 1.5 hrs
Lo 24° RealFeel® 15° Precipitation 57%

Night

N

E

S

W

  • W 9 mph
  • Gusts: 15 mph

Rather cloudy with a little snow

  • Max UV Index: N/A
  • Thunderstorms: 0%
  • Precipitation: 0.01 in
  • Rain: 0 in
  • Snow: 0.2 in
  • Ice: 0 in
  • Hours of Precipitation: 2 hrs
  • Hours of Rain: 0 hrs

Temperature History - Mar 4

more Historical Weather Data >
  Today Normal Record 3/4/2014
High 41° 42° 70° (1974) 31°
Low 24° 28° (1950) 12°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:15 AM with 11:23 of sunlight, then sets at 5:38 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:53 PM with 13:05 of moolight, then sets at 5:58 AM

Somerville Weather Report

Boston: Snow, Freeze-up to Precede Thaw

March 4, 2015; 5:10 PM ET

Boston will lie on the northern edge of a 1,500-mile swath of snow, slippery roads and travel disruptions for a time on Thursday. more >

Making a Forecast: The Sixth Sense

Feb 16, 2015; 5:00 AM ET What steps go into making a forecast?

Wed. Air Quality

Wed. Asthma Risk

Wed. UV Index