10-Day Weather Forecast - Merrimack, NH

Mostly sunny. Hot with highs in the mid 90s. Light and variable winds.

Mostly clear. Lows in the mid 60s. Light and variable winds. Heat index values in the lower 90s early in the evening.

Sunny hot with highs in the upper 90s. Light and variable winds.

Clear. Lows in the upper 60s. Light and variable winds. Heat index values in the mid 90s early in the evening.

Mostly sunny. Hot with highs in the upper 90s.

Partly cloudy. Lows in the upper 60s.

Partly sunny with a chance of showers. Warm with highs in the upper 80s. Chance of rain 30 percent.

Mostly clear. A chance of showers in the evening. Lows in the lower 60s. Chance of rain 30 percent.

Mostly sunny. Highs in the mid 80s.

Mostly clear. Lows in the upper 50s.

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

Mostly clear. Lows in the lower 60s.

Mostly sunny. Hot with highs in the lower 90s.

Clear. Low temperature around 62F. Dew point will be around 64F with an average humidity of 84%. Winds will be 2 mph from the SW.

Sunny. High temperature around 80F. Dew point will be around 64F with an average humidity of 73%. Winds will be 1 mph from the NW.

Clear. Low temperature around 57F. Dew point will be around 58F with an average humidity of 82%. Winds will be 2 mph from the NW.

Sunny. High temperature around 74F. Dew point will be around 58F with an average humidity of 71%. Winds will be 3 mph from the N.

Clear. Low temperature around 55F. Dew point will be around 55F with an average humidity of 83%. Winds will be 1 mph from the N.