Hourly Weather Forecast - Portsmouth, NH

50% Chance of Flurries

50% Chance of Snow

40% Chance of Heavy Snow

40% Chance of Heavy Snow

30 % Chance of Heavy Snow

30 % Chance of Heavy Snow

30 % Chance of Heavy Snow

30% Chance of Heavy Snow

30% Chance of Heavy Snow

30% Chance of Heavy Snow

30% Chance of Heavy Snow

30% Chance of Heavy Snow

30% Chance of Snow

30% Chance of Snow

Partly Cloudy

Sunny

Clear

Clear

Mostly Clear

Clear

Clear

Clear

30% Chance Snow Showers