• Today

    Sep 19

    58°Lo 38°

    Sunny and cooler

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

    Sep 20

    71°Lo 58°

    Warmer with periods of sun

    Low ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Sun

    Sep 21

    78°Lo 58°

    More clouds than sun

    Low ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
  • Mon

    Sep 22

    70°Lo 43°

    Clouds and sun; not as warm

    Low ragweed pollen levels
    • Precip
      16%
    • Wind
      Speed
      12 mph
    • Cloud
      Cover
      48%
    more
  • Tue

    Sep 23

    67°Lo 43°

    Partly sunny

    Ragweed Pollen Weather
    • Precip
      12%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      26%
    more
Next Previous
Hi 78° RealFeel® 80° Precipitation 25%

Day

N

E

S

W

  • SSE 4 mph
  • Gusts: 11 mph

More clouds than sun

  • Max UV Index: 3 (Moderate)
  • Thunderstorms: 17%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 58° RealFeel® 54° Precipitation 56%

Night

N

E

S

W

  • WSW 5 mph
  • Gusts: 10 mph

Mostly cloudy with a shower

  • Max UV Index: N/A
  • Thunderstorms: 29%
  • Precipitation: 0.08 in
  • Rain: 0.08 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1.5 hrs
  • Hours of Rain: 1.5 hrs

Temperature History - Sep 21

more Historical Weather Data >
  Today Normal Record 9/21/2013
High 78° 71° 88° (1965) 76°
Low 58° 47° 28° (1956) 47°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:32 AM with 12:13 of sunlight, then sets at 6:45 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:01 AM with 13:21 of moolight, then sets at 5:22 PM

Top Story

Nashua Weather Report

Boston: September Temperature Roller Coaster to Continue

September 19, 2014; 11:02 AM ET

In keeping with tradition, temperatures will continue their up-and-down cycle during the second half of September around Boston. more >

Sun. Dust & Dander

Sun. Wind Maps