• Early AM

    Apr 21

    Lo 48°

    A couple of showers and thunderstorms

    Asthma Weather
    • Hi
      RealFeel
      39°
    • UV
      2 - Low
    • Air Qual.
      Good
    more
  • Today

    Apr 21

    67°Lo 41°

    Rain and a thunderstorm

    At Risk weather for asthma
    • Hi
      RealFeel
      66°
    • UV
      4 - Moderate
    • Air Qual.
      Good
  • Wed

    Apr 22

    63°Lo 38°

    An afternoon shower or two

    Neutral weather for asthma
    • Hi
      RealFeel
      64°
    • UV
      5 - Moderate
    • Air Qual.
      Good
    more
  • Thu

    Apr 23

    54°Lo 33°

    Cool with clouds and sun

    Neutral weather for asthma
    • Hi
      RealFeel
      55°
    • UV
      6 - High
    • Cloud
      Cover
      52%
    more
  • Fri

    Apr 24

    55°Lo 33°

    Partly sunny

    Beneficial weather for asthma
    • Hi
      RealFeel
      54°
    • UV
      7 - High
    • Cloud
      Cover
      37%
    more
Next Previous
Next 8 hours >
  Tue
12am
1am 2am 3am 4am 5am 6am 7am
  12am 1am 2am 3am 4am 5am 6am 7am
Forecast
Rain
Fog
Fog
T-storms
T-storms
T-storms
T-storms
Fog
Temp (°F) 51° 55° 51° 49° 48° 50° 52° 54°
RealFeel® 42° 49° 46° 42° 40° 43° 46° 50°
Humidity 93% 87% 100% 100% 100% 100% 98% 91%
   
  12am 1am 2am 3am 4am 5am 6am 7am
Rain
 
66%
 
49%
 
49%
 
52%
 
60%
 
65%
 
62%
 
49%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  12am 1am 2am 3am 4am 5am 6am 7am
Wind (mph) 13 NE 12 NNE 10 NNE 9 E 8 E 8 E 7 E 7 SE
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 99% 99% 100% 100% 100% 100% 100% 100%
Dew Point 49° 51° 51° 49° 48° 50° 51° 51°
Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F

Temperature History - Apr 21

more Historical Weather Data >
  Today Normal Record 4/21/2014
High 67° 60° N/A 69°
Low 41° 37° N/A 29°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:56 AM with 13:38 of sunlight, then sets at 7:34 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:10 AM with 14:44 of moolight, then sets at 10:54 PM

Holliston Weather Report

Boston: Cooler Air to Sweep Away Warmth This Week

April 21, 2015; 1:52 AM ET

Cooler air will push into the Boston area during the middle and latter part of the week. more >

The Dangers of Bus Travel

Dec 10, 2012; 5:00 AM ET While bus transportation is one of the most affordable, it is important to know which motor coach companies rank highest in safety.

Tue. Air Quality

Tue. Asthma Risk

Tue. UV Index