• Today

    Sep 17

    67°Lo 44°

    Fog in the a.m.; mostly sunny

    Beneficial weather for migraines
    • Hi
      RealFeel
      72°
    • UV
      5 - Moderate
    • Cloud
      Cover
      12%
    more
  • Thu

    Sep 18

    66°Lo 37°

    Partly sunny

    Beneficial weather for migraines
    • Hi
      RealFeel
      67°
    • UV
      4 - Moderate
    • Cloud
      Cover
      28%
    more
  • Fri

    Sep 19

    58°Lo 42°

    Fog in the a.m.; mostly sunny

    Beneficial weather for migraines
    • Hi
      RealFeel
      65°
    • UV
      5 - Moderate
    • Cloud
      Cover
      11%
    more
  • Sat

    Sep 20

    67°Lo 56°

    Sunshine and patchy clouds

    Beneficial weather for migraines
    • Hi
      RealFeel
      66°
    • UV
      4 - Moderate
    • Cloud
      Cover
      25%
    more
  • Sun

    Sep 21

    74°Lo 56°

    Mostly cloudy and comfortable

    Beneficial weather for migraines
    • Hi
      RealFeel
      72°
    • UV
      3 - Moderate
    • Cloud
      Cover
      78%
Next Previous
Hi 74° RealFeel® 72° Precipitation 20%

Day

N

E

S

W

  • SSW 7 mph
  • Gusts: 13 mph

Mostly cloudy and comfortable

  • Max UV Index: 3 (Moderate)
  • Thunderstorms: 2%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 56° RealFeel® 52° Precipitation 55%

Night

N

E

S

W

  • WSW 6 mph
  • Gusts: 10 mph

Mostly cloudy with a passing shower late

  • Max UV Index: N/A
  • Thunderstorms: 20%
  • Precipitation: 0.03 in
  • Rain: 0.03 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0.5 hrs
  • Hours of Rain: 0.5 hrs

Temperature History - Sep 21

more Historical Weather Data >
  Today Normal Record 9/21/2013
High 74° 70° N/A 73°
Low 56° 49° N/A 48°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:31 AM with 12:14 of sunlight, then sets at 6:45 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:59 AM with 13:22 of moolight, then sets at 5:21 PM

Top Story

Alton Weather Report

Boston: Remainder of Week to Be Dry, Cool

September 17, 2014; 2:15 AM ET

Rainfall will be scarce around Boston this week, but cool air will be plentiful. more >

Sun. Migraine Headache

Sun. UV Index