Weather in Ottawa, Illinois, United States

7-Day Detailed Weather Forecast for Ottawa

Overnight

Temperature: 61°F

Wind Speed: 5 to 10 mph

Wind Direction: NE

Forecast: Mostly cloudy, with a low around 61. Northeast wind 5 to 10 mph.

Friday

Temperature: 83°F

Wind Speed: 5 mph

Wind Direction: E

Forecast: Mostly sunny, with a high near 83. East wind around 5 mph.

Friday Night

Temperature: 70°F

Wind Speed: 5 mph

Wind Direction: SE

Forecast: A chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 70. Southeast wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.

Saturday

Temperature: 87°F

Wind Speed: 5 to 10 mph

Wind Direction: SW

Forecast: Showers and thunderstorms likely. Partly sunny, with a high near 87. Heat index values as high as 95. Southwest wind 5 to 10 mph. Chance of precipitation is 60%.

Saturday Night

Temperature: 69°F

Wind Speed: 5 mph

Wind Direction: NNW

Forecast: Showers and thunderstorms likely. Mostly cloudy, with a low around 69. North northwest wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 60%.

Sunday

Temperature: 80°F

Wind Speed: 5 mph

Wind Direction: NE

Forecast: A chance of showers and thunderstorms. Mostly cloudy, with a high near 80. Chance of precipitation is 50%.

Sunday Night

Temperature: 66°F

Wind Speed: 5 mph

Wind Direction: ENE

Forecast: A chance of showers and thunderstorms. Mostly cloudy, with a low around 66.

Monday

Temperature: 83°F

Wind Speed: 5 to 10 mph

Wind Direction: ESE

Forecast: A chance of showers and thunderstorms. Mostly cloudy, with a high near 83.

Monday Night

Temperature: 71°F

Wind Speed: 5 to 10 mph

Wind Direction: SE

Forecast: A chance of showers and thunderstorms. Mostly cloudy, with a low around 71.

Tuesday

Temperature: 88°F

Wind Speed: 5 to 10 mph

Wind Direction: S

Forecast: A chance of showers and thunderstorms. Partly sunny, with a high near 88.

Tuesday Night

Temperature: 73°F

Wind Speed: 5 mph

Wind Direction: S

Forecast: A chance of showers and thunderstorms. Partly cloudy, with a low around 73.

Wednesday

Temperature: 93°F

Wind Speed: 5 to 10 mph

Wind Direction: SSW

Forecast: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 93.

Wednesday Night

Temperature: 74°F

Wind Speed: 5 mph

Wind Direction: SSW

Forecast: A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 74.

Thursday

Temperature: 92°F

Wind Speed: 5 to 10 mph

Wind Direction: SW

Forecast: A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92.