• Tue

    May 19

    74°Lo 58°

    Mostly sunny and warmer

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      9 mph
    • Cloud
      Cover
      26%
    more
  • Wed

    May 20

    78°Lo 50°

    A couple of afternoon showers

    Ragweed Pollen Weather
    • Precip
      60%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      49%
    more
  • Thu

    May 21

    68°Lo 50°

    Cloudy and colder

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

    May 22

    68°Lo 48°

    Partly sunny

    Ragweed Pollen Weather
    • Precip
      20%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      38%
    more
  • Sat

    May 23

    72°Lo 53°

    Mostly cloudy

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      82%
    more
Next Previous
Hi 68° RealFeel® 69° Precipitation 25%

Day

N

E

S

W

  • ENE 7 mph
  • Gusts: 13 mph

Cloudy and colder

  • Max UV Index: 3 (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 50° RealFeel® 53° Precipitation 25%

Night

N

E

S

W

  • ENE 2 mph
  • Gusts: 4 mph

Cloudy

  • 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 - May 21

more Historical Weather Data >
  Today Normal Record 5/21/2014
High 68° 71° N/A 77°
Low 50° 47° N/A 44°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:20 AM with 14:48 of sunlight, then sets at 8:08 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:36 AM with 14:42 of moolight, then sets at 11:18 PM

Lancaster Weather Report

Boston: Warmest Day So Far in 2015 to Unfold Monday

May 4, 2015; 10:06 AM ET

A surge of warmth into the Northeast will create Boston's warmest day so far this year on Monday. more >