Hourly Weather Forecast - Merrimack, NH

60% Chance of Light Rain

50% Chance of Light Rain

30% Chance of Light Rain

30% Chance of Light Rain

Foggy

30% Chance of Light Rain

30% Chance of Light Rain

30% Chance of Light Rain

30% Chance of Light Rain

Cloudy

Mostly Cloudy

Partly Cloudy

30% Chance Frozen Mix

Partly Cloudy

30% Chance of Heavy Snow

30% Chance of Snow

30% Chance of Snow

30% Chance of Snow

30% Chance of Snow

Mostly Clear

Partly Cloudy

Partly Cloudy

Partly Cloudy