10-Day Weather Forecast - Ottawa, IL

Sunny. Highs around 30. Northwest winds around 5 mph becoming southwest in the afternoon.

Partly cloudy in the evening then becoming mostly cloudy. Near steady temperature in the mid 20s. South winds 5 to 10 mph.

Mostly cloudy. Highs in the lower 40s. South winds 10 to 15 mph.

Mostly cloudy. Near steady temperature in the upper 30s.

Mostly cloudy. Highs in the upper 40s.

Mostly cloudy. Lows in the lower 30s.

Cloudy. Highs in the mid 40s.

Mostly cloudy. Lows in the mid 40s.

Mostly cloudy. Highs in the upper 50s.

Partly cloudy. Lows around 40.

Partly cloudy. Highs in the lower 50s.

Partly cloudy. Low temperature around 39F. Dew point will be around 36F with an average humidity of 81%. Winds will be 4 mph from the NW.

Cloudy. High temperature around 44F. Dew point will be around 35F with an average humidity of 76%. Winds will be 4 mph from the N.

Mostly cloudy. Low temperature around 30F. Dew point will be around 27F with an average humidity of 74%. Winds will be 7 mph from the N.

Sunny. High temperature around 36F. Dew point will be around 23F with an average humidity of 65%. Winds will be 5 mph from the N.

Mostly clear. Low temperature around 28F. Dew point will be around 21F with an average humidity of 69%. Winds will be 2 mph from the N.

Partly cloudy. High temperature around 37F. Dew point will be around 23F with an average humidity of 64%. Winds will be 2 mph from the W.

Mostly clear. Low temperature around 29F. Dew point will be around 22F with an average humidity of 71%. Winds will be 2 mph from the E.