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

70°F

21°C

Humidity 59%
Wind Speed S 9 mph
Barometer 29.98 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 16 May 9:35 pm EDT
Extended Forecast for

Portland IN

  • Tonight

    Tonight: Mostly cloudy, with a low around 61. South wind around 5 mph.

    Low: 61 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 85. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 85 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 66. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 66 °F

    Mostly Clear

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 88. South wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 88 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 69. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm, mainly after 2pm. Mostly sunny, with a high near 89. Breezy. Chance of precipitation is 70%.

    High: 89 °F

    Slight Chance
    Showers then
    Showers
    Likely and
    Breezy

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 63. Chance of precipitation is 80%.

    Low: 63 °F

    Showers

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm before 8am, then a slight chance of showers and thunderstorms between 8am and 2pm. Mostly cloudy, with a high near 72. Chance of precipitation is 60%.

    High: 72 °F

    Showers
    Likely then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 61. South wind around 5 mph.
Sunday
Mostly sunny, with a high near 85. South wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 66. South wind around 10 mph, with gusts as high as 20 mph.
Monday
A 40 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 88. South wind 10 to 20 mph, with gusts as high as 30 mph.
Monday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 69. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Tuesday
Showers likely and possibly a thunderstorm, mainly after 2pm. Mostly sunny, with a high near 89. Breezy. Chance of precipitation is 70%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 63. Chance of precipitation is 80%.
Wednesday
Showers likely and possibly a thunderstorm before 8am, then a slight chance of showers and thunderstorms between 8am and 2pm. Mostly cloudy, with a high near 72. Chance of precipitation is 60%.
Wednesday Night
Mostly cloudy, with a low around 49.
Thursday
Partly sunny, with a high near 66.
Thursday Night
Mostly cloudy, with a low around 48.
Friday
Partly sunny, with a high near 72.
Friday Night
A slight chance of showers. Mostly cloudy, with a low around 54.
Saturday
A chance of showers. Partly sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portland IN
 40.43°N 84.97°W (Elev. 912 ft)
Last Update:
6:16 pm EDT May 16, 2026
Forecast Valid:
9pm EDT May 16, 2026-6pm EDT May 23, 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