National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Worcester, Worcester Regional Airport (KORH)

Lat: 42.27°NLon: 71.87°WElev: 1007ft.

Fair

82°F

28°C

Humidity 58%
Wind Speed W 10 mph
Barometer 30.15 in (1020.1 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 7 Aug 9:54 am EDT
Extended Forecast for

Grafton MA

Heat Advisory August 7, 09:58am until August 7, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 7, 09:58am until August 7, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Today

    High: 90 °F

    Hot

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between midnight and 2am, then a slight chance of showers after 2am. Increasing clouds, with a low around 71. Light west wind. Chance of precipitation is 20%.

    Low: 71 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 88. Southwest wind 5 to 8 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Partly cloudy, with a low around 71. Southwest wind 3 to 6 mph. Chance of precipitation is 30%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 71 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 87. West wind 5 to 9 mph, with gusts as high as 20 mph.

    High: 87 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 65. West wind around 5 mph becoming calm in the evening.

    Low: 65 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 87. Calm wind becoming southwest 5 to 9 mph in the morning.

    High: 87 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 69. Southwest wind 3 to 5 mph.

    Low: 69 °F

    Partly Cloudy

Detailed Forecast

Today
Sunny and hot, with a high near 90. Heat index values as high as 95. West wind 3 to 6 mph.
Tonight
A slight chance of showers and thunderstorms between midnight and 2am, then a slight chance of showers after 2am. Increasing clouds, with a low around 71. Light west wind. Chance of precipitation is 20%.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 88. Southwest wind 5 to 8 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Partly cloudy, with a low around 71. Southwest wind 3 to 6 mph. Chance of precipitation is 30%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Sunny, with a high near 87. West wind 5 to 9 mph, with gusts as high as 20 mph.
Sunday Night
Clear, with a low around 65. West wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 87. Calm wind becoming southwest 5 to 9 mph in the morning.
Monday Night
Partly cloudy, with a low around 69. Southwest wind 3 to 5 mph.
Tuesday
A chance of showers between noon and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86. West wind 5 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Tuesday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 66. West wind 3 to 6 mph. Chance of precipitation is 40%.
Wednesday
A chance of showers. Partly sunny, with a high near 83. West wind 3 to 6 mph. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 64. Light southwest wind.
Thursday
A chance of showers. Mostly sunny, with a high near 83. Southwest wind 3 to 7 mph. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grafton MA
 42.22°N 71.67°W (Elev. 446 ft)
Last Update:
7:01 am EDT Aug 7, 2026
Forecast Valid:
9am EDT Aug 7, 2026-6pm EDT Aug 13, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation