Weather in Ottawa, Illinois, United States

7-Day Detailed Weather Forecast for Ottawa

Overnight

Temperature: 34°F

Wind Speed: 5 mph

Wind Direction: SW

Forecast: Areas of frost. Mostly clear, with a low around 34. Southwest wind around 5 mph.

Sunday

Temperature: 52°F

Wind Speed: 5 to 20 mph

Wind Direction: W

Forecast: Areas of frost before 8am, then a slight chance of rain showers between 1pm and 4pm. Mostly sunny, with a high near 52. West wind 5 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

Sunday Night

Temperature: 30°F

Wind Speed: 0 to 15 mph

Wind Direction: NNW

Forecast: Widespread frost after 3am. Mostly clear, with a low around 30. North northwest wind 0 to 15 mph, with gusts as high as 25 mph.

Monday

Temperature: 56°F

Wind Speed: 0 to 5 mph

Wind Direction: ESE

Forecast: Widespread frost before 8am. Sunny, with a high near 56. East southeast wind 0 to 5 mph, with gusts as high as 15 mph.

Monday Night

Temperature: 45°F

Wind Speed: 5 to 15 mph

Wind Direction: S

Forecast: Partly cloudy, with a low around 45. South wind 5 to 15 mph, with gusts as high as 25 mph.

Tuesday

Temperature: 74°F

Wind Speed: 15 mph

Wind Direction: SW

Forecast: Sunny, with a high near 74.

Tuesday Night

Temperature: 53°F

Wind Speed: 5 to 10 mph

Wind Direction: WSW

Forecast: Partly cloudy, with a low around 53.

Wednesday

Temperature: 77°F

Wind Speed: 5 to 10 mph

Wind Direction: SW

Forecast: Sunny, with a high near 77.

Wednesday Night

Temperature: 56°F

Wind Speed: 5 to 10 mph

Wind Direction: S

Forecast: Partly cloudy, with a low around 56.

Thursday

Temperature: 82°F

Wind Speed: 5 to 20 mph

Wind Direction: S

Forecast: Mostly sunny, with a high near 82.

Thursday Night

Temperature: 62°F

Wind Speed: 15 mph

Wind Direction: S

Forecast: Showers and thunderstorms likely after 7pm. Mostly cloudy, with a low around 62.

Friday

Temperature: 72°F

Wind Speed: 15 mph

Wind Direction: SW

Forecast: Showers and thunderstorms likely. Mostly cloudy, with a high near 72.

Friday Night

Temperature: 47°F

Wind Speed: 10 to 15 mph

Wind Direction: NW

Forecast: Showers and thunderstorms likely. Mostly cloudy, with a low around 47.

Saturday

Temperature: 66°F

Wind Speed: 10 to 15 mph

Wind Direction: NW

Forecast: A chance of rain showers before 1pm. Mostly sunny, with a high near 66.