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

Portland Municipal Airport (KPLD)

Lat: 40.45°NLon: 84.99°WElev: 925ft.

Fair

63°F

17°C

Humidity 77%
Wind Speed Calm
Barometer 30.05 in
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 4 Aug 12:15 am EDT
Extended Forecast for

Portland IN

  • Overnight

    Overnight: Mostly clear, with a low around 55. Calm wind.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 80. Calm wind becoming southeast around 5 mph.

    High: 80 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 58. Calm wind.

    Low: 58 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82. Calm wind becoming west around 5 mph.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 50%.

    High: 81 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.

    Low: 65 °F

    Showers
    Likely

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly cloudy, with a high near 80.

    High: 80 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers. Partly cloudy, with a low around 64. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 55. Calm wind.
Tuesday
Sunny, with a high near 80. Calm wind becoming southeast around 5 mph.
Tuesday Night
Clear, with a low around 58. Calm wind.
Wednesday
Sunny, with a high near 82. Calm wind becoming west around 5 mph.
Wednesday Night
Partly cloudy, with a low around 63. Calm wind.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Friday
A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly cloudy, with a high near 80.
Friday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Partly cloudy, with a low around 64. Chance of precipitation is 30%.
Saturday
A slight chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 20%.
Saturday Night
A slight chance of thunderstorms. Partly cloudy, with a low around 65. Chance of precipitation is 10%.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Portland IN
 40.43°N 85°W (Elev. 899 ft)
Last Update:
10:31 pm EDT Aug 3, 2026
Forecast Valid:
12am EDT Aug 4, 2026-6pm EDT Aug 10, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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