Weather World
City of Portland, INPortland, IN 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
Portland, IN Weather Forecast
Portland, IN Weather Forecast Date: 643 PM EDT Tue Sep 22 2026
The area/counties/county of: Jay, including the cities of: Portland and Dunkirk.or toggle through each period.
Tonight... Cloudy with a 20% chance of showers. Lows in the mid 50s. Northeast winds 10 to 15 mph. Gusts up to 25 mph this evening.
Wednesday... Cloudy with a 40% chance of showers. Highs in the mid 60s. Northeast winds around 10 mph. Gusts up to 20 mph in the afternoon.
Wednesday Night... Mostly cloudy with a chance of showers in the evening, then partly cloudy after midnight. Lows in the mid 50s. East winds around 10 mph. Gusts up to 20 mph in the evening. Chance of rain 30%.
Thursday... Partly cloudy. Highs around 70. East winds 5 to 10 mph.
Thursday Night... Mostly clear. Lows in the upper 40s. East winds 5 to 10 mph.
Friday... Mostly sunny. Highs in the upper 60s.
Friday Night... Mostly clear. Lows in the mid 40s.
Saturday... Mostly sunny. Highs in the upper 60s.
Saturday Night... Mostly clear. Lows in the mid 40s.
Sunday... Partly cloudy. Highs around 70.
Sunday Night... Partly cloudy. Lows in the upper 40s.
Monday... Mostly sunny. Highs in the lower 70s.
Monday Night... Mostly clear. Lows in the lower 50s.
POP = Probability of Precipitation
Portland Radar Loop
Use the map search tool if you want to place a location marker on the radar map...