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

Indianapolis International Airport (KIND)

Lat: 39.73°NLon: 86.28°WElev: 790ft.

A Few Clouds and Breezy

81°F

27°C

Humidity 39%
Wind Speed S 22 G 25 mph
Barometer 29.86 in (1010.6 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 7 Oct 2:54 pm EDT
Extended Forecast for

Castleton IN

  • This Afternoon

    This Afternoon: Sunny, with a high near 82. West wind around 7 mph, with gusts as high as 24 mph.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 52. Northwest wind 3 to 6 mph.

    Low: 52 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 76. Calm wind becoming west northwest 5 to 9 mph in the morning.

    High: 76 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 49. North northwest wind around 5 mph becoming calm in the evening.

    Low: 49 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 80. Southeast wind 3 to 7 mph.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 58. South southeast wind around 6 mph.

    Low: 58 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 83. South wind 5 to 8 mph.

    High: 83 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Showers, with thunderstorms also possible after 2am. Low around 58. Southeast wind 7 to 10 mph. Chance of precipitation is 90%.

    Low: 58 °F

    Showers

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before 2pm. Mostly cloudy, with a high near 72. East southeast wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 72 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Sunny, with a high near 82. West wind around 7 mph, with gusts as high as 24 mph.
Tonight
Clear, with a low around 52. Northwest wind 3 to 6 mph.
Thursday
Sunny, with a high near 76. Calm wind becoming west northwest 5 to 9 mph in the morning.
Thursday Night
Mostly clear, with a low around 49. North northwest wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 80. Southeast wind 3 to 7 mph.
Friday Night
Mostly clear, with a low around 58. South southeast wind around 6 mph.
Saturday
Mostly sunny, with a high near 83. South wind 5 to 8 mph.
Saturday Night
Showers, with thunderstorms also possible after 2am. Low around 58. Southeast wind 7 to 10 mph. Chance of precipitation is 90%.
Sunday
Showers likely and possibly a thunderstorm before 2pm. Mostly cloudy, with a high near 72. East southeast wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Sunday Night
Mostly cloudy, with a low around 59. East northeast wind around 6 mph becoming light and variable in the evening.
Columbus Day
Mostly sunny, with a high near 80.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 57.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 68.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Castleton IN
 39.9°N 86.06°W (Elev. 823 ft)
Last Update:
3:45 pm EDT Oct 7, 2026
Forecast Valid:
3pm EDT Oct 7, 2026-6pm EDT Oct 13, 2026
 
Forecast Discussion
 
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Additional Resources

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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