10-Day Weather Forecast - Arnold, MD

Cloudy. A slight chance of rain in the afternoon. Highs in the mid 40s. South winds 5 to 10 mph. Chance of rain 20 percent.

Cloudy with a 20 percent chance of rain. Lows in the lower 40s. Temperature rising into the lower 50s after midnight. South winds 10 to 15 mph with gusts up to 25 mph.

Rain likely in the morning then partly sunny in the afternoon. Highs in the lower 60s. Temperature falling into the upper 40s in the afternoon. Southwest winds around 15 mph with gusts up to 30 mph becoming west with gusts up to 40 mph in the afternoon. Chance of rain 70 percent.

Mostly clear in the evening then becoming partly cloudy. Lows in the upper 20s. West winds 15 to 20 mph with gusts up to 40 mph.

Mostly sunny and blustery. Much cooler with highs in the mid 30s.

Partly cloudy. Lows in the mid 20s.

Mostly sunny. Highs in the lower 40s.

Mostly cloudy. Lows in the upper 20s.

Mostly cloudy. Highs in the lower 40s.

Partly cloudy. Lows in the mid 20s.

Mostly sunny. Highs in the mid 30s.

Partly cloudy. Lows in the mid 20s.

Partly sunny. Highs in the lower 40s.

Mostly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 35F. Dew point will be around 25F with an average humidity of 68%. Winds will be 6 mph from the S.

Partly cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 42F. Dew point will be around 29F with an average humidity of 66%. Winds will be 4 mph from the SW.

Mostly clear. Low temperature around 29F. Dew point will be around 24F with an average humidity of 71%. Winds will be 4 mph from the N.

Sunny. High temperature around 38F. Dew point will be around 22F with an average humidity of 60%. Winds will be 4 mph from the N.

Clear with a slight chance of rain-snow mix. Chance of precipitation 30%. Low temperature around 28F. Dew point will be around 21F with an average humidity of 68%. Winds will be 3 mph from the NE.