61764 Weather (Pontiac, IL)

Weather forecast for: Pontiac IL

Last Update: 3:56 pm CDT Oct 14, 2026

Tonight: A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 58. East northeast wind 5 to 10 mph, with gusts as high as 15 mph.

Thursday: Showers, with thunderstorms also possible after 1pm. High near 67. East wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Thursday Night: Showers and thunderstorms likely before 10pm, then a chance of showers between 10pm and 4am. Mostly cloudy, with a low around 49. Breezy, with a south wind 10 to 20 mph becoming west northwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday: A 50 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 56. Breezy, with a northwest wind around 20 mph, with gusts as high as 30 mph.

Friday Night: Patchy frost after 5am. Otherwise, partly cloudy, with a low around 36. Breezy, with a north wind 10 to 20 mph.

Saturday: Areas of frost before 8am. Otherwise, sunny, with a high near 60.

Saturday Night: Clear, with a low around 37.

Sunday: Sunny, with a high near 67.

Sunday Night: Mostly clear, with a low around 41.

Monday: Mostly sunny, with a high near 72.

Monday Night: Partly cloudy, with a low around 44.

Tuesday: Sunny, with a high near 73.

Tuesday Night: Mostly clear, with a low around 47.

Wednesday: Sunny, with a high near 76.