10-Day Weather Forecast - Merrimack, NH

Mostly sunny. Warm with highs in the upper 80s. Light and variable winds becoming southwest around 10 mph in the afternoon.

Mostly clear. Lows in the upper 60s. Southwest winds around 10 mph in the evening becoming light and variable.

Mostly sunny. Hot with highs in the upper 90s. West winds 10 to 15 mph. Gusts up to 30 mph in the afternoon. Heat index values up to 103 in the afternoon.

Mostly clear. Lows in the upper 70s.

Partly sunny. Hot with highs in the mid 90s.

Partly cloudy in the evening then clearing. Lows in the upper 60s.

Mostly sunny. Warm with highs in the upper 80s.

Mostly clear. Lows in the mid 60s.

Mostly sunny. Warm with highs in the mid 80s.

Mostly clear in the evening then becoming partly cloudy. Lows in the lower 60s.

Partly sunny. Highs in the lower 80s.

Partly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 63F. Dew point will be around 61F with an average humidity of 80%. Winds will be 4 mph from the S.

Mostly sunny with a chance of rain. Chance of precipitation 40%. High temperature around 82F. Dew point will be around 60F with an average humidity of 56%. Winds will be 4 mph from the SW.

Mostly clear with a chance of rain. Chance of precipitation 45%. Low temperature around 66F. Dew point will be around 59F with an average humidity of 68%. Winds will be 3 mph from the S.

Mostly sunny with a chance of rain. Chance of precipitation 45%. High temperature around 83F. Dew point will be around 64F with an average humidity of 63%. Winds will be 3 mph from the S.

Partly cloudy with a chance of rain. Chance of precipitation 50%. Low temperature around 66F. Dew point will be around 62F with an average humidity of 73%. Winds will be 2 mph from the SE.

Partly cloudy with a chance of rain. Chance of precipitation 40%. High temperature around 84F. Dew point will be around 64F with an average humidity of 63%. Winds will be 2 mph from the S.

Partly cloudy with a chance of rain. Chance of precipitation 50%. Low temperature around 66F. Dew point will be around 62F with an average humidity of 75%. Winds will be 1 mph from the SE.