10-Day Weather Forecast - Herculaneum, MO

Sunny. Highs in the mid 50s. West winds 5 to 10 mph.

Mostly clear in the evening then becoming partly cloudy. Not as cool with lows in the lower 40s. South winds 10 to 15 mph with gusts up to 30 mph.

Partly sunny. Highs in the lower 60s. West winds 10 to 15 mph with gusts up to 25 mph.

Partly cloudy. Lows in the mid 30s. Highs in the upper 60s.

Partly cloudy. Lows in the mid 30s. Highs in the upper 60s.

Partly cloudy in the evening then becoming mostly cloudy. Not as cool with lows in the lower 50s.

Mostly cloudy. A chance of rain with a slight chance of thunderstorms in the morning then rain in the afternoon. Highs in the upper 60s. Chance of rain 80 percent.

Mostly cloudy with a chance of rain and snow in the evening then partly cloudy after midnight. Much cooler with lows in the mid 20s. Chance of precipitation 30 percent.

Sunny. Much cooler with highs around 40.

Partly cloudy in the evening then becoming mostly cloudy. Lows around 20.

Partly sunny. Highs in the mid 40s.

Cloudy. Low temperature around 37F. Dew point will be around 23F with an average humidity of 52%. Winds will be 6 mph from the S.

Partly cloudy. High temperature around 62F. Dew point will be around 40F with an average humidity of 65%. Winds will be 6 mph from the S.

Mostly clear. Low temperature around 42F. Dew point will be around 41F with an average humidity of 72%. Winds will be 1 mph from the S.

Sunny. High temperature around 67F. Dew point will be around 46F with an average humidity of 67%. Winds will be 2 mph from the S.

Mostly clear. Low temperature around 50F. Dew point will be around 45F with an average humidity of 65%. Winds will be 4 mph from the S.

Mostly sunny. High temperature around 70F. Dew point will be around 51F with an average humidity of 67%. Winds will be 4 mph from the S.

Mostly clear. Low temperature around 50F. Dew point will be around 47F with an average humidity of 65%. Winds will be 2 mph from the S.