Weather in Summit, Illinois, United States

7-Day Detailed Weather Forecast for Summit

Overnight

Temperature: 48°F

Wind Speed: 10 mph

Wind Direction: SSW

Forecast: Partly cloudy, with a low around 48. South southwest wind around 10 mph, with gusts as high as 20 mph.

Tuesday

Temperature: 76°F

Wind Speed: 10 to 20 mph

Wind Direction: SW

Forecast: A chance of showers and thunderstorms after 3pm. Partly sunny. High near 76, with temperatures falling to around 73 in the afternoon. Southwest wind 10 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

Tuesday Night

Temperature: 53°F

Wind Speed: 5 to 10 mph

Wind Direction: WNW

Forecast: A slight chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 53. West northwest wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

Wednesday

Temperature: 74°F

Wind Speed: 5 mph

Wind Direction: NE

Forecast: Mostly sunny, with a high near 74. Northeast wind around 5 mph, with gusts as high as 10 mph.

Wednesday Night

Temperature: 55°F

Wind Speed: 5 mph

Wind Direction: SE

Forecast: Partly cloudy, with a low around 55. Southeast wind around 5 mph, with gusts as high as 15 mph.

Thursday

Temperature: 80°F

Wind Speed: 5 to 15 mph

Wind Direction: S

Forecast: Mostly sunny, with a high near 80.

Thursday Night

Temperature: 62°F

Wind Speed: 15 mph

Wind Direction: S

Forecast: A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 62.

Friday

Temperature: 74°F

Wind Speed: 10 to 15 mph

Wind Direction: SW

Forecast: Rain showers likely before 1pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 74.

Friday Night

Temperature: 50°F

Wind Speed: 5 to 10 mph

Wind Direction: NW

Forecast: Showers and thunderstorms likely before 1am. Mostly cloudy, with a low around 50.

Saturday

Temperature: 63°F

Wind Speed: 10 mph

Wind Direction: NNE

Forecast: Mostly sunny, with a high near 63.

Saturday Night

Temperature: 47°F

Wind Speed: 5 to 10 mph

Wind Direction: NE

Forecast: Partly cloudy, with a low around 47.

Sunday

Temperature: 65°F

Wind Speed: 5 to 10 mph

Wind Direction: NE

Forecast: Mostly sunny, with a high near 65.

Sunday Night

Temperature: 50°F

Wind Speed: 10 mph

Wind Direction: ENE

Forecast: A slight chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 50.

Monday

Temperature: 68°F

Wind Speed: 10 to 15 mph

Wind Direction: E

Forecast: A chance of showers and thunderstorms. Mostly cloudy, with a high near 68.