Weather in Ottawa, Illinois, United States

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7-Day Detailed Weather Forecast for Ottawa

Overnight

Temperature: 63°F

Wind Speed: 10 mph

Wind Direction: NW

Forecast: Rain showers likely. Cloudy. Low around 63, with temperatures rising to around 66 overnight. Northwest wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.

Sunday

Temperature: 72°F

Wind Speed: 10 to 20 mph

Wind Direction: NW

Forecast: Rain showers likely before 10am. Partly sunny, with a high near 72. Northwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.

Sunday Night

Temperature: 52°F

Wind Speed: 5 to 15 mph

Wind Direction: WNW

Forecast: Mostly clear, with a low around 52. West northwest wind 5 to 15 mph, with gusts as high as 25 mph.

Monday

Temperature: 76°F

Wind Speed: 5 to 10 mph

Wind Direction: W

Forecast: Sunny, with a high near 76. West wind 5 to 10 mph, with gusts as high as 20 mph.

Monday Night

Temperature: 57°F

Wind Speed: 5 to 10 mph

Wind Direction: SW

Forecast: Partly cloudy, with a low around 57. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

Tuesday

Temperature: 76°F

Wind Speed: 10 to 20 mph

Wind Direction: WSW

Forecast: Showers and thunderstorms likely after 7am. Mostly sunny, with a high near 76. Chance of precipitation is 70%.

Tuesday Night

Temperature: 56°F

Wind Speed: 5 to 15 mph

Wind Direction: WSW

Forecast: Showers and thunderstorms likely before 7pm. Partly cloudy, with a low around 56.

Wednesday

Temperature: 78°F

Wind Speed: 5 to 20 mph

Wind Direction: SSW

Forecast: Showers and thunderstorms after 7am. Partly sunny, with a high near 78.

Wednesday Night

Temperature: 63°F

Wind Speed: 15 to 20 mph

Wind Direction: SW

Forecast: Showers and thunderstorms. Mostly cloudy, with a low around 63.

Thursday

Temperature: 76°F

Wind Speed: 15 to 20 mph

Wind Direction: WNW

Forecast: A chance of rain showers before 7am. Partly sunny, with a high near 76.

Thursday Night

Temperature: 57°F

Wind Speed: 5 to 10 mph

Wind Direction: WNW

Forecast: Partly cloudy, with a low around 57.

Juneteenth

Temperature: 79°F

Wind Speed: 5 to 10 mph

Wind Direction: WNW

Forecast: Sunny, with a high near 79.

Friday Night

Temperature: 60°F

Wind Speed: 5 to 10 mph

Wind Direction: WNW

Forecast: Mostly clear, with a low around 60.

Saturday

Temperature: 81°F

Wind Speed: 5 to 10 mph

Wind Direction: W

Forecast: A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 81.