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National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
7-Day Forecast 39.85°N 86.41°W (Text-Only)
NWS Forecast for: Brownsburg IN
Issued by: National Weather Service Indianapolis, IN
Last Update: 12:45 am EDT Jun 30, 2026		Print

  • Overnight

    Overnight: Mostly clear, with a low around 75. South southwest wind around 6 mph.

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 92. Heat index values as high as 105. Southwest wind 7 to 10 mph.

    High: 92 °F

    Hot

  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 73. Southwest wind 6 to 9 mph.

    Low: 73 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 93. Heat index values as high as 102. Southwest wind 5 to 8 mph.

    High: 93 °F

    Hot

  • Wednesday
    Night

    Wednesday Night: Clear, with a low around 73. South southwest wind 5 to 8 mph.

    Low: 73 °F

    Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 93. Southwest wind 5 to 8 mph.

    High: 93 °F

    Hot

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 73. Southwest wind 5 to 7 mph becoming calm in the evening.

    Low: 73 °F

    Mostly Clear

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 91. Southwest wind 3 to 7 mph.

    High: 91 °F

    Chance
    T-storms

  • Friday
    Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 72. Southwest wind around 5 mph becoming calm in the evening.

    Low: 72 °F

    Chance
    T-storms



    • Overnight: Mostly clear, with a low around 75. South southwest wind around 6 mph.

    Tuesday: Sunny and hot, with a high near 92. Heat index values as high as 105. Southwest wind 7 to 10 mph.

    Tuesday Night: Mostly clear, with a low around 73. Southwest wind 6 to 9 mph.

    Wednesday: Sunny and hot, with a high near 93. Heat index values as high as 102. Southwest wind 5 to 8 mph.

    Wednesday Night: Clear, with a low around 73. South southwest wind 5 to 8 mph.

    Thursday: Sunny and hot, with a high near 93. Southwest wind 5 to 8 mph.

    Thursday Night: Mostly clear, with a low around 73. Southwest wind 5 to 7 mph becoming calm in the evening.

    Friday: A 40 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 91. Southwest wind 3 to 7 mph.

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 72. Southwest wind around 5 mph becoming calm in the evening.

    Independence Day: A chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Calm wind becoming west southwest around 6 mph in the afternoon. Chance of precipitation is 50%.

    Saturday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.

    Sunday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.

    Sunday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.

    Monday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.


    Brownsburg IN
     39.85°N 86.41°W (Elev. 899 ft)

    Visit your local NWS office at: https://www.weather.gov/ind