• Early AM

    Sep 15

    Lo 41°

    Partly cloudy

    Migraine Headache Weather
    • Hi
      RealFeel
      67°
    • UV
      5 - Moderate
    • Cloud
      Cover
      34%
    more
  • Today

    Sep 15

    67°Lo 49°

    Sunny to partly cloudy

    Beneficial weather for migraines
    • Hi
      RealFeel
      72°
    • UV
      5 - Moderate
    • Cloud
      Cover
      25%
  • Tue

    Sep 16

    68°Lo 46°

    Periods of rain

    Beneficial weather for migraines
    • Hi
      RealFeel
      67°
    • UV
      4 - Moderate
    • Cloud
      Cover
      77%
    more
  • Wed

    Sep 17

    70°Lo 45°

    Plenty of sunshine

    Beneficial weather for migraines
    • Hi
      RealFeel
      70°
    • UV
      5 - Moderate
    • Cloud
      Cover
      8%
    more
  • Thu

    Sep 18

    66°Lo 40°

    Mostly sunny and cool

    Beneficial weather for migraines
    • Hi
      RealFeel
      69°
    • UV
      5 - Moderate
    • Cloud
      Cover
      16%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Mon
4am
5am 6am 7am 8am 9am 10am 11am
  4am 5am 6am 7am 8am 9am 10am 11am
Forecast
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 42° 42° 41° 44° 45° 51° 56° 61°
RealFeel® 41° 41° 41° 43° 46° 53° 61° 68°
Humidity 87% 88% 88% 89% 83% 72% 60% 50%
   
  4am 5am 6am 7am 8am 9am 10am 11am
Rain
 
2%
 
2%
 
2%
 
2%
 
2%
 
2%
 
2%
 
2%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  4am 5am 6am 7am 8am 9am 10am 11am
Wind (mph) 3 WNW 3 NW 3 NW 2 NNW 2 NNW 2 NNW 2 NW 2 SW
UV Index 0 0 0 0 0 1 2 4
Cloud Cover 32% 42% 43% 45% 25% 25% 25% 25%
Dew Point 38° 38° 38° 41° 41° 42° 42° 43°
Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F Middle Grid line 40 F

Temperature History - Sep 15

more Historical Weather Data >
  Today Normal Record 9/15/2013
High 67° 73° N/A 71°
Low 49° 52° N/A 44°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:25 AM with 12:31 of sunlight, then sets at 6:56 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:29 PM with 14:51 of moolight, then sets at 2:20 PM

Top Story

Chelmsford Weather Report

Boston: Abundant Sunshine but Pleasantly Cool on Monday

September 14, 2014; 10:24 PM ET

A pleasantly cool day will greet folks on Monday under plenty of sunshine. more >

Mon. Migraine Headache

Mon. UV Index