10-Day Weather Forecast - Portland, IN

Patchy fog in the morning. Mostly cloudy with a chance of thunderstorms. Showers likely, mainly in the morning. Some thunderstorms may produce heavy rainfall. Humid with highs in the lower 80s. Southwest winds 5 to 10 mph. Chance of rain 60 percent.

Partly cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Some thunderstorms may produce heavy rainfall in the evening. Humid with lows in the upper 60s. West winds around 5 mph in the evening, becoming light and variable. Chance of rain 40 percent.

Mostly cloudy. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Humid with highs in the lower 80s. Southwest winds around 5 mph. Chance of rain 70 percent.

Showers with a chance of thunderstorms. Humid with lows in the upper 60s. East winds around 5 mph, becoming southwest after midnight. Chance of rain 90 percent.

Mostly cloudy in the morning, then becoming partly cloudy. A slight chance of thunderstorms. Showers, mainly in the morning. Highs in the lower 80s. Chance of rain 90 percent.

Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear with a chance of showers after midnight. Lows in the mid 60s. Chance of rain 30 percent.

Mostly sunny with a chance of showers in the morning, then partly cloudy with a slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 30 percent.

Mostly clear with a slight chance of showers and thunderstorms. Lows around 70. Chance of rain 20 percent.

Mostly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 30 percent. Heat index values in the mid 90s in the afternoon.

Partly cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Lows in the mid 60s. Chance of rain 40 percent.

Partly cloudy. A slight chance of showers in the morning. Highs in the upper 70s. Chance of rain 20 percent.

Mostly clear. Lows in the upper 50s.

Mostly sunny. Highs in the upper 70s.

Mostly clear. Low temperature around 70F. Dew point will be around 66F with an average humidity of 81%. Winds will be 4 mph from the S.

Mostly sunny with a 35% chance for rain and thunderstorms. High temperature around 82F. Dew point will be around 68F with an average humidity of 73%. Winds will be 6 mph from the SW.

Mostly clear with a 40% chance for rain and thunderstorms. Low temperature around 70F. Dew point will be around 68F with an average humidity of 83%. Winds will be 4 mph from the SW.

Sunny with a 30% chance for rain and thunderstorms. High temperature around 80F. Dew point will be around 66F with an average humidity of 73%. Winds will be 4 mph from the W.

Clear with widely scattered thunderstorms. Chance of storms 30%. Low temperature around 67F. Dew point will be around 64F with an average humidity of 81%. Winds will be 2 mph from the W.