10-Day Weather Forecast - Portland, IA

Mostly cloudy in the morning then becoming partly sunny. Widespread dense fog in the morning. Highs around 40. Northwest winds 5 to 10 mph.

Mostly cloudy. Near steady temperature in the mid 30s. Southeast winds 5 to 10 mph.

Mostly cloudy. Highs in the mid 40s. Southeast winds 10 to 15 mph.

Mostly cloudy. Lows in the mid 20s. Southeast winds around 5 mph becoming north 10 to 15 mph after midnight.

A chance of rain in the morning. Mostly cloudy with a chance of snow. Windy with highs in the mid 30s. Temperature falling into the lower 20s in the afternoon. Chance of precipitation 40 percent.

Mostly cloudy. A slight chance of snow in the evening. Breezy and much cooler with lows zero to 5 above zero. Chance of snow 20 percent.

Mostly sunny and breezy. Much cooler with highs around 15.

Mostly clear in the evening then becoming partly cloudy. Lows 5 to 10 above.

Partly sunny. Not as cool with highs in the lower 30s.

Mostly cloudy. Lows 10 to 15.

Mostly cloudy. Highs in the mid 20s.

Mostly cloudy. Lows around 10 above.

Mostly sunny. Highs around 20.

Partly cloudy. Low temperature around 22F. Dew point will be around 17F with an average humidity of 76%. Winds will be 1 mph from the NW.

Partly cloudy. High temperature around 29F. Dew point will be around 20F with an average humidity of 75%. Winds will be 2 mph from the SE.

Cloudy. Low temperature around 25F. Dew point will be around 22F with an average humidity of 84%. Winds will be 2 mph from the NW.

Cloudy. High temperature around 29F. Dew point will be around 22F with an average humidity of 80%. Winds will be 6 mph from the NW.

Cloudy with a chance of snow. Chance of precipitation 35%. Low temperature around 18F. Dew point will be around 16F with an average humidity of 80%. Winds will be 7 mph from the NW.