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.

Fair

62°F

17°C

Humidity 56%
Wind Speed Calm
Barometer 30.12 in (1019.7 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 8 Oct 11:54 pm EDT
Extended Forecast for

Castleton IN

  • Overnight

    Overnight: Mostly clear, with a low around 47. Calm wind.

    Low: 47 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 83. Calm wind becoming south around 6 mph in the afternoon.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 59. Southeast wind 5 to 7 mph.

    Low: 59 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 78. Southeast wind 6 to 10 mph, with gusts as high as 21 mph.

    High: 78 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Showers. Low around 59. East southeast wind 11 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 59 °F

    Showers

  • Sunday

    Sunday: Showers, mainly before 8am. High near 72. East wind 5 to 8 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 72 °F

    Showers then
    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 57. North northwest wind around 5 mph becoming calm in the evening.

    Low: 57 °F

    Partly Cloudy

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 82. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 82 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 64. Southwest wind 7 to 9 mph.

    Low: 64 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 47. Calm wind.
Friday
Sunny, with a high near 83. Calm wind becoming south around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 59. Southeast wind 5 to 7 mph.
Saturday
Mostly cloudy, with a high near 78. Southeast wind 6 to 10 mph, with gusts as high as 21 mph.
Saturday Night
Showers. Low around 59. East southeast wind 11 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Showers, mainly before 8am. High near 72. East wind 5 to 8 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Partly cloudy, with a low around 57. North northwest wind around 5 mph becoming calm in the evening.
Columbus Day
Mostly sunny, with a high near 82. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Monday Night
Mostly clear, with a low around 64. Southwest wind 7 to 9 mph.
Tuesday
A 20 percent chance of showers before 2pm. Mostly sunny, with a high near 79. West northwest wind around 11 mph.
Tuesday Night
Partly cloudy, with a low around 55.
Wednesday
A 20 percent chance of showers. Partly sunny, with a high near 72.
Wednesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 56.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 77.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Castleton IN
 39.92°N 86.06°W (Elev. 801 ft)
Last Update:
12:21 am EDT Oct 9, 2026
Forecast Valid:
12am EDT Oct 9, 2026-6pm EDT Oct 15, 2026
 
Forecast Discussion
 
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Additional Resources

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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