• Tue

    May 19

    66°Lo 47°

    Increasing cloudiness

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      65%
    more
  • Wed

    May 20

    76°Lo 46°

    Warmer with spotty showers

    Ragweed Pollen Weather
    • Precip
      60%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      70%
  • Thu

    May 21

    65°Lo 45°

    Cloudy and colder

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      98%
    more
  • Fri

    May 22

    65°Lo 44°

    Mostly sunny

    Ragweed Pollen Weather
    • Precip
      20%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      25%
    more
  • Sat

    May 23

    67°Lo 51°

    Considerable cloudiness

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      89%
    more
Next Previous
Hi 76° RealFeel® 79° Precipitation 60%

Day

N

E

S

W

  • NW 7 mph
  • Gusts: 17 mph

Mostly cloudy and warmer with spotty showers

  • Max UV Index: 6 (High)
  • Thunderstorms: 20%
  • Precipitation: 0.22 in
  • Rain: 0.22 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 3 hrs
  • Hours of Rain: 3 hrs
Lo 46° RealFeel® 40° Precipitation 25%

Night

N

E

S

W

  • NE 10 mph
  • Gusts: 17 mph

Plenty of clouds

  • 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 20

more Historical Weather Data >
  Today Normal Record 5/20/2014
High 76° 70° N/A 74°
Low 46° 45° N/A 42°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:20 AM with 14:45 of sunlight, then sets at 8:05 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:40 AM with 14:49 of moolight, then sets at 10:29 PM

Holliston Weather Report

Boston: Warmest Day So Far in 2015 to Unfold Monday

May 4, 2015; 5:07 AM ET

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