10-Day Weather Forecast - Keystone, IN

Mostly sunny. Highs in the upper 70s. Northeast winds 5 to 10 mph.

Mostly clear. Lows in the upper 50s. Northeast winds 5 to 10 mph.

Mostly sunny. Highs in the lower 80s. East winds around 5 mph.

Mostly clear. Lows around 60.

Mostly sunny. Highs in the mid 80s.

Mostly clear. Lows around 70.

Mostly sunny. Highs in the upper 80s. Heat index values in the upper 90s in the afternoon.

Mostly clear. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the mid 60s. Chance of rain 30 percent.

Partly cloudy. A chance of showers, mainly in the morning. Highs around 80. Chance of rain 30 percent.

Mostly clear. Lows in the upper 50s.

Mostly sunny. Highs in the lower 80s.

Clear. Low temperature around 58F. Dew point will be around 56F with an average humidity of 78%. Winds will be 2 mph from the E.

Sunny. High temperature around 75F. Dew point will be around 57F with an average humidity of 70%. Winds will be 2 mph from the SE.

Clear. Low temperature around 61F. Dew point will be around 58F with an average humidity of 76%. Winds will be 3 mph from the SE.

Sunny. High temperature around 78F. Dew point will be around 61F with an average humidity of 71%. Winds will be 5 mph from the S.

Clear. Low temperature around 64F. Dew point will be around 61F with an average humidity of 75%. Winds will be 4 mph from the S.