I-90 weather conditions near Portage, Indiana
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Fair 66°F 2025-10-17T23:15:00-05:00 
Tonight 2025-10-17, Slight Chance Showers. A 10 percent chance of showers after 5am. Mostly cloudy, with a low around 61. South wind around 15 mph, with gusts as high as 20 mph.
Saturday 2025-10-18, Showers Likely. Showers and thunderstorms likely, mainly before 9am, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 74. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night 2025-10-18, Showers. Showers and possibly a thunderstorm. Low around 53. South southwest wind around 10 mph becoming west northwest after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Sunday 2025-10-19, Showers and Breezy. Showers, mainly before 1pm. High near 59. Breezy, with a west northwest wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 80%.
Sunday Night 2025-10-19, Mostly Clear. Mostly clear, with a low around 42. West northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Monday 2025-10-20, Sunny. Sunny, with a high near 63.
Monday Night 2025-10-20, Chance Showers. A 50 percent chance of showers. Partly cloudy, with a low around 47.Tuesday 2025-10-21, Breezy. Mostly Sunny then Chance Showers. A chance of showers after 1pm. Mostly sunny, with a high near 54. Breezy.
Tuesday Night 2025-10-21, Mostly Cloudy and Breezy then Partly Cloudy. Partly cloudy, with a low around 43. Breezy.
Wednesday 2025-10-22, Mostly Sunny. Mostly sunny, with a high near 56.- Wednesday Night 2025-10-22, Partly Cloudy. Partly cloudy, with a low around 42.
- Thursday 2025-10-23, Mostly Sunny. Mostly sunny, with a high near 59.
- Thursday Night 2025-10-23, Partly Cloudy. Partly cloudy, with a low around 44.
- Friday 2025-10-24, Mostly Sunny. Mostly sunny, with a high near 58.