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

Hazardous Weather Conditions

Current conditions at

Indianapolis International Airport (KIND)

Lat: 39.73°NLon: 86.28°WElev: 790ft.

Partly Cloudy

83°F

28°C

Humidity 55%
Wind Speed W 12 mph
Barometer 30.00 in (1015.1 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 21 Aug 5:54 pm EDT
Extended Forecast for

2 Miles SSW Castleton IN

  • Tonight

    Tonight: Isolated showers and thunderstorms before 8pm, then a chance of showers after 5am. Patchy fog between 4am and 5am. Otherwise, increasing clouds, with a low around 65. Light and variable wind. Chance of precipitation is 30%.

    Low: 65 °F

    Isolated
    T-storms then
    Chance
    Showers and
    Patchy Fog

  • Saturday

    Saturday: A chance of showers before noon, then a slight chance of showers and thunderstorms between noon and 1pm. Mostly sunny, with a high near 80. West southwest wind 5 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 30%.

    High: 80 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Patchy fog after 5am. Otherwise, partly cloudy, with a low around 61. West northwest wind 3 to 8 mph.

    Low: 61 °F

    Partly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 77. Light northwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 18 mph.

    High: 77 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 56. North northwest wind around 6 mph becoming calm in the evening.

    Low: 56 °F

    Mostly Clear

  • Monday

    Monday: Patchy fog between 7am and 8am. Otherwise, sunny, with a high near 76. Light and variable wind.

    High: 76 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 58. Calm wind.

    Low: 58 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78. Light south wind.

    High: 78 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 62. Light south southeast wind.

    Low: 62 °F

    Partly Cloudy

Detailed Forecast

Tonight
Isolated showers and thunderstorms before 8pm, then a chance of showers after 5am. Patchy fog between 4am and 5am. Otherwise, increasing clouds, with a low around 65. Light and variable wind. Chance of precipitation is 30%.
Saturday
A chance of showers before noon, then a slight chance of showers and thunderstorms between noon and 1pm. Mostly sunny, with a high near 80. West southwest wind 5 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 30%.
Saturday Night
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 61. West northwest wind 3 to 8 mph.
Sunday
Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 77. Light northwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Sunday Night
Mostly clear, with a low around 56. North northwest wind around 6 mph becoming calm in the evening.
Monday
Patchy fog between 7am and 8am. Otherwise, sunny, with a high near 76. Light and variable wind.
Monday Night
Partly cloudy, with a low around 58. Calm wind.
Tuesday
Mostly sunny, with a high near 78. Light south wind.
Tuesday Night
Partly cloudy, with a low around 62. Light south southeast wind.
Wednesday
A 20 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. South wind 3 to 6 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64.
Thursday
Sunny, with a high near 83.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64.
Friday
Mostly sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Castleton IN
 39.87°N 86.06°W (Elev. 823 ft)
Last Update:
5:45 pm EDT Aug 21, 2026
Forecast Valid:
6pm EDT Aug 21, 2026-6pm EDT Aug 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation