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.

Overcast

41°F

5°C

Humidity 48%
Wind Speed S 12 G 17 mph
Barometer 30.05 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 18 Mar 5:15 pm EDT
Extended Forecast for

Portland IN

  • Tonight

    Tonight: Mostly cloudy, with a low around 34. South wind 5 to 10 mph.

    Low: 34 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 56. Southwest wind around 5 mph becoming northeast in the morning.

    High: 56 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 41. Calm wind becoming south around 5 mph after midnight.

    Low: 41 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 68. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 68 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 43. West wind 5 to 10 mph.

    Low: 43 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers after 2pm. Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 32.

    Low: 32 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
Mostly cloudy, with a low around 34. South wind 5 to 10 mph.
Thursday
A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 56. Southwest wind around 5 mph becoming northeast in the morning.
Thursday Night
Mostly cloudy, with a low around 41. Calm wind becoming south around 5 mph after midnight.
Friday
Mostly cloudy, with a high near 68. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 43. West wind 5 to 10 mph.
Saturday
Partly sunny, with a high near 68.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
A 20 percent chance of showers after 2pm. Mostly sunny, with a high near 71.
Sunday Night
A 20 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 32.
Monday
Partly sunny, with a high near 47.
Monday Night
Partly cloudy, with a low around 28.
Tuesday
Partly sunny, with a high near 51.
Tuesday Night
Mostly cloudy, with a low around 36.
Wednesday
Mostly cloudy, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portland IN
 40.46°N 85°W (Elev. 892 ft)
Last Update:
4:45 pm EDT Mar 18, 2026
Forecast Valid:
5pm EDT Mar 18, 2026-6pm EDT Mar 25, 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