• Early AM

    Jul 31

    Lo 68°

    A brief shower or two

    Asthma Weather
    • Hi
      RealFeel
      90°
    • UV
      5 - High
    • Air Qual.
      Good
    more
  • Today

    Jul 31

    74°Lo 65°

    Cooler with a little rain

    Neutral weather for asthma
    • Hi
      RealFeel
      80°
    • UV
      2 - Low
    • Air Qual.
      Good
  • Mon

    Aug 1

    77°Lo 63°

    Some rain and a thunderstorm

    Neutral weather for asthma
    • Hi
      RealFeel
      80°
    • UV
      4 - Moderate
    • Air Qual.
      Good
    more
  • Tue

    Aug 2

    75°Lo 58°

    Mostly cloudy with a shower

    Beneficial weather for asthma
    • Hi
      RealFeel
      78°
    • UV
      4 - Moderate
    • Air Qual.
      Good
    more
  • Wed

    Aug 3

    81°Lo 60°

    Clouds giving way to sun

    Beneficial weather for asthma
    • Hi
      RealFeel
      87°
    • UV
      5 - High
    • Air Qual.
      Good
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
4am
5am 6am 7am 8am 9am 10am 11am
  4am 5am 6am 7am 8am 9am 10am 11am
Forecast
Cloudy
Mostly Cloudy
Showers
Showers
Rain
Cloudy
Cloudy
Cloudy
Temp (°F) 69° 69° 68° 68° 69° 69° 69° 70°
RealFeel® 70° 70° 66° 67° 68° 72° 73° 74°
Humidity 89% 92% 95% 93% 92% 89% 87% 86%
   
  4am 5am 6am 7am 8am 9am 10am 11am
Rain
 
48%
 
49%
 
62%
 
62%
 
51%
 
47%
 
43%
 
43%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  4am 5am 6am 7am 8am 9am 10am 11am
Wind (mph) 2 NW 2 NW 2 WNW 2 WSW 4 ENE 4 ENE 4 NE 5 NE
UV Index 0 0 0 0 0 1 1 2
Cloud Cover 97% 79% 84% 90% 94% 94% 94% 94%
Dew Point 66° 66° 66° 66° 66° 66° 65° 66°
Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - Jul 31

more Historical Weather Data >
  Today Normal Record 7/31/2015
High 74° 83° N/A 88°
Low 65° 58° N/A 57°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:38 AM with 14:27 of sunlight, then sets at 8:05 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:24 AM with 14:52 of moolight, then sets at 6:16 PM

Holliston Weather Report

Soaking storms to elevate flash flood threat in northeastern US this weekend

July 31, 2016; 2:33 AM ET

Rounds of drenching showers and heavy thunderstorms will heighten the risk of flash flooding across the northeastern United States through the final weekend of July. more >

Sun. Air Quality

Sun. Asthma Risk

Sun. UV Index