Multiday Heat Wave Forecast For Much of Central/Eastern U.S.

A major summer heat wave is forecast midweek into this coming weekend across much of the central and eastern states and lingering in the southwest. The combination of temperature and humidity will lift the heat index above 100 in many locations with 110 or higher possible in the warmest locations. There will be nearly no relief at night with overnight low temperatures in the upper 70s and 80s. Read More >

Hazardous Weather Conditions

Current conditions at

Laurence G Hanscom Field Airport (KBED)

Lat: 42.47°NLon: 71.29°WElev: 132ft.

Partly Cloudy

86°F

30°C

Humidity 43%
Wind Speed W 7 mph
Barometer 29.99 in (1016.6 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 16 Jul 3:56 pm EDT
Extended Forecast for

Waltham MA

  • Tonight

    Tonight: Mostly cloudy, with a low around 72. South wind 5 to 10 mph becoming light  after midnight.

    Mostly Cloudy

    Low: 72 °F

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4pm. Some of the storms could produce gusty winds, heavy rain, and frequent lightning.  High near 87. Southwest wind around 8 mph, with gusts as high as 22 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Partly Sunny
    then Heavy
    Rain

    High: 87 °F

  • Wednesday
    Night

    Wednesday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Some of the storms could produce gusty winds, heavy rain, and frequent lightning.  Patchy fog after midnight. Low around 68. West wind around 5 mph becoming calm  after midnight.  Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Heavy Rain
    then Heavy
    Rain and
    Patchy Fog

    Low: 68 °F

  • Thursday

    Thursday: A chance of showers and thunderstorms before 11am, then a chance of showers between 11am and noon, then a chance of showers and thunderstorms after noon. Some of the storms could produce heavy rain.  Cloudy, with a high near 73. Northeast wind 6 to 8 mph.  Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

    Heavy Rain

    High: 73 °F

  • Thursday
    Night

    Thursday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 61. North wind 3 to 6 mph.  Chance of precipitation is 30%.

    Chance
    Showers

    Low: 61 °F

  • Friday

    Friday: Mostly sunny, with a high near 89. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    Mostly Sunny

    High: 89 °F

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 75. West wind 6 to 9 mph.

    Mostly Clear

    Low: 75 °F

  • Saturday

    Saturday: Sunny and hot, with a high near 99. West wind around 8 mph.

    Hot

    High: 99 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 76. West wind 5 to 9 mph.

    Partly Cloudy

    Low: 76 °F

Detailed Forecast

Tonight
Mostly cloudy, with a low around 72. South wind 5 to 10 mph becoming light after midnight.
Wednesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4pm. Some of the storms could produce gusty winds, heavy rain, and frequent lightning. High near 87. Southwest wind around 8 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Some of the storms could produce gusty winds, heavy rain, and frequent lightning. Patchy fog after midnight. Low around 68. West wind around 5 mph becoming calm after midnight. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
A chance of showers and thunderstorms before 11am, then a chance of showers between 11am and noon, then a chance of showers and thunderstorms after noon. Some of the storms could produce heavy rain. Cloudy, with a high near 73. Northeast wind 6 to 8 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. North wind 3 to 6 mph. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 89. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Friday Night
Mostly clear, with a low around 75. West wind 6 to 9 mph.
Saturday
Sunny and hot, with a high near 99. West wind around 8 mph.
Saturday Night
Partly cloudy, with a low around 76. West wind 5 to 9 mph.
Sunday
Mostly sunny, with a high near 93. West wind around 6 mph.
Sunday Night
Partly cloudy, with a low around 71. Light southwest wind.
Monday
A chance of showers. Partly sunny, with a high near 86. Southwest wind around 6 mph. Chance of precipitation is 30%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 67. North wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 30%.
Tuesday
A chance of showers. Partly sunny, with a high near 84. North wind around 6 mph becoming light and variable in the afternoon. Chance of precipitation is 30%.
Click Map For Forecast
Point Forecast:
Waltham MA
 42.41°N 71.24°W (Elev. 230 ft)
3:55 pm EDT Jul 16, 2019
4pm EDT Jul 16, 2019-6pm EDT Jul 23, 2019
 
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Additional Resources

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