• Mon

    May 18

    79°Lo 58°

    Mostly cloudy and warm

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      84%
    more
  • Tue

    May 19

    67°Lo 52°

    Increasing cloudiness

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      61%
    more
  • Wed

    May 20

    76°Lo 50°

    Showers around in the p.m.

    Ragweed Pollen Weather
    • Precip
      60%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      53%
  • Thu

    May 21

    66°Lo 49°

    Colder with plenty of clouds

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      99%
    more
  • Fri

    May 22

    66°Lo 48°

    Mostly sunny

    Ragweed Pollen Weather
    • Precip
      20%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      26%
    more
Next Previous
Hi 76° RealFeel® 79° Precipitation 60%

Day

N

E

S

W

  • NNE 7 mph
  • Gusts: 16 mph

Times of sun and clouds with a couple of showers in the afternoon

  • Max UV Index: 7 (High)
  • Thunderstorms: 20%
  • Precipitation: 0.07 in
  • Rain: 0.07 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs
Lo 50° RealFeel® 46° Precipitation 55%

Night

N

E

S

W

  • ENE 9 mph
  • Gusts: 16 mph

Plenty of clouds; a little rain in the evening followed by a shower in spots 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: 1 hrs
  • Hours of Rain: 1 hrs

Temperature History - May 20

more Historical Weather Data >
  Today Normal Record 5/20/2014
High 76° 70° N/A 75°
Low 50° 49° N/A 51°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:18 AM with 14:48 of sunlight, then sets at 8:06 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:38 AM with 14:53 of moolight, then sets at 10:31 PM

Derry Weather Report

Boston: Building Weekend Warmth to be Followed by Taste of Summer

May 3, 2015; 4:15 AM ET

After temperatures rise this weekend, Boston will experience a taste of summer early in the new week. more >