• Today

    Aug 20

    82°Lo 55°

    Mostly sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      7 - Low
    more
  • Thu

    Aug 21

    77°Lo 58°

    Clouds and sun; not as warm

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      7 - Low
    more
  • Fri

    Aug 22

    74°Lo 55°

    Periods of sun with a shower

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      7 - Low
  • Sat

    Aug 23

    73°Lo 54°

    Partly sunny with a shower

    Low ragweed pollen levels
    • Precip
      42%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      46%
    more
  • Sun

    Aug 24

    74°Lo 52°

    Times of clouds and sun

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      69%
    more
Next Previous
Partly to mostly cloudy 58° Lo 55° RealFeel® 57° / 52°

N

E

S

W

  • Precipitation: 15%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 100%
  • Cloud Cover: 69%
  • Dew Point: 57° F
  • Visibility: 10 mi
4 mph

Temperature History - Aug 22

more Historical Weather Data >
  Today Normal Record 8/22/2013
High 74° 80° 94° (1955) 90°
Low 55° 57° 35° (1982) 62°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:59 AM with 13:39 of sunlight, then sets at 7:38 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:18 AM with 14:27 of moolight, then sets at 5:45 PM

Top Story

Merrimack Weather Report

Heavy Rain to Avoid Boston Through Weekend

August 20, 2014; 12:04 PM ET

A wedge of dry air will slowly erode later this week and may allow spotty showers to survive the trip into Boston from the Midwest. more >

Fri. Dust & Dander

Fri. Wind Maps