7-Day Zone Forecast for Porter County (Text-Only)
NWS Forecast for: Porter County
Issued by: National Weather Service Chicago, IL
Last Update: 405 PM CDT Sun Aug 16 2026
Print




Late This Afternoon: Mostly cloudy. Scattered showers and thunderstorms. Temperatures in the lower 80s. Northwest winds around 5 mph. Chance of precipitation 30 percent.

Tonight: Mostly cloudy. Scattered showers and thunderstorms early in the evening, then isolated showers and thunderstorms late in the evening. Humid. Lows in the upper 60s. Northwest winds around 5 mph. Chance of precipitation 30 percent.

Monday: Partly cloudy in the morning, then clearing. Highs in the upper 70s. North winds around 5 mph.

Monday Night: Mostly clear. Lows around 60. Northeast winds around 5 mph, becoming southwest after midnight.

Tuesday: Mostly sunny in the morning, then becoming partly cloudy. Highs in the upper 70s. Southwest winds around 5 mph, increasing to around 10 mph in the afternoon.

Tuesday Night: Mostly cloudy. A chance of showers in the evening. A chance of thunderstorms. Showers likely after midnight. Humid with lows in the mid 60s. West winds around 5 mph. Chance of precipitation 70 percent.

Wednesday: Mostly cloudy with a chance of showers and thunderstorms. Highs in the mid 70s. Chance of precipitation 50 percent.

Wednesday Night: Partly cloudy. Lows in the upper 50s.

Thursday: Mostly sunny in the morning, then becoming partly cloudy. Highs in the mid 70s.

Thursday Night: Partly cloudy. Lows in the mid 50s.

Friday: Mostly sunny. Highs in the mid 70s.

Friday Night: Mostly clear. Lows in the upper 50s.

Saturday: Partly cloudy. Highs in the mid 70s.

Saturday Night: Partly cloudy. Lows around 60.

Sunday: Partly cloudy. Highs in the lower 70s.







Zone Forecast: Porter County

Visit your local NWS office at: https://www.weather.gov/lot