• Fri

    Sep 18

    73°Lo 48°

    Cloudy with a touch of rain

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Sat

    Sep 19

    71°Lo 54°

    Mostly cloudy

    Ragweed Pollen Weather
    • Precip
      58%
    • Wind
      Speed
      9 mph
    • Cloud
      Cover
      77%
    more
  • Sun

    Sep 20

    72°Lo 53°

    Sunshine

    Ragweed Pollen Weather
    • Precip
      20%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      0%
  • Mon

    Sep 21

    70°Lo 52°

    Becoming cloudy

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      79%
    more
  • Tue

    Sep 22

    71°Lo 50°

    Partial sunshine

    Ragweed Pollen Weather
    • Precip
      10%
    • Wind
      Speed
      2 mph
    • Cloud
      Cover
      21%
    more
Next Previous
Hi 72° RealFeel® 74° Precipitation 5%

Day

N

E

S

W

  • NW 7 mph
  • Gusts: 13 mph

Sunshine

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 53° RealFeel® 53° Precipitation 20%

Night

N

E

S

W

  • NNW 5 mph
  • Gusts: 10 mph

Clear

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

Temperature History - Sep 20

more Historical Weather Data >
  Today Normal Record 9/20/2014
High 72° 71° N/A 70°
Low 53° 51° N/A 36°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:30 AM with 12:17 of sunlight, then sets at 6:47 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:15 PM with 9:59 of moolight, then sets at 11:14 PM

Derry Weather Report

Boston: Warmth to Rebuild Labor Day Weekend After Cooldown

September 3, 2015; 2:44 PM ET

A backdoor front will trim temperatures, haze and humidity around Boston into the first part of the Labor Day weekend before all three conditions build by early next week. more >