• Tonight

    Jul 28

    Lo 69°

    Mostly cloudy and humid

    Asthma Weather
    • Hi
      RealFeel
      97°
    • UV
      5 - High
    • Air Qual.
      Moderate
  • Fri

    Jul 29

    74°Lo 62°

    Heavy rain and a thunderstorm

    At Risk weather for asthma
    • Hi
      RealFeel
      78°
    • UV
      2 - Low
    • Air Qual.
      Good
    more
  • Sat

    Jul 30

    85°Lo 65°

    Warmer with periods of sun

    Beneficial weather for asthma
    • Hi
      RealFeel
      91°
    • UV
      5 - High
    • Air Qual.
      Good
    more
  • Sun

    Jul 31

    77°Lo 66°

    Showers around; not as warm

    Neutral weather for asthma
    • Hi
      RealFeel
      83°
    • UV
      4 - Moderate
    • Air Qual.
      Good
    more
  • Mon

    Aug 1

    77°Lo 60°

    A.M. showers; mostly cloudy

    Beneficial weather for asthma
    • Hi
      RealFeel
      82°
    • UV
      4 - Moderate
    • Air Qual.
      Good
    more
Next Previous
Hi 92° RealFeel® 97° Precipitation 6%

Day

N

E

S

W

  • SW 7 mph
  • Gusts: 15 mph

Hot and more humid with clouds and sunshine

  • Max UV Index: 6 (High)
  • Thunderstorms: 18%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 69° RealFeel® 71° Precipitation 25%

Night

N

E

S

W

  • SSW 4 mph
  • Gusts: 10 mph

Mostly cloudy and humid

  • Max UV Index: N/A
  • Thunderstorms: 15%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Jul 28

more Historical Weather Data >
  Today Normal Record 7/28/2015
High 92° 83° N/A 90°
Low 69° 59° N/A 65°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:35 AM with 14:34 of sunlight, then sets at 8:09 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:54 AM with 14:19 of moolight, then sets at 3:13 PM

Holliston Weather Report

Torrential downpours in northeastern US to ease heat wave, raise flash flood risk

July 28, 2016; 3:00 PM ET

As July draws to a close, a storm system swinging up from the Deep South will bring downpours to the northeastern U.S. and break the back of an extended heat wave. more >

Thu. Air Quality

Thu. Asthma Risk

Thu. UV Index