Alton Bay, New Hampshire | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Partly Cloudy
    50°
    Sunday 5/19
    Forecast night icon
    50°
    Partly Cloudy
    Hourly
    Night Details
    Partly cloudy this evening then becoming mostly cloudy. Patchy fog. Lows in the lower 50s. Light and variable winds.
  • Forecast day icon
    Monday
    Partly Sunny
    73°
    Forecast night icon
    Night
    Partly Cloudy
    53°
    Monday 5/20
    Day
    73°
    Partly Sunny
    Forecast day icon
    Night
    53°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Patchy fog in the morning. Partly sunny. Highs in the mid 70s. Light and variable winds.
    Night Details
    Mostly clear in the evening then becoming partly cloudy. Patchy fog after midnight. Lows in the mid 50s. Light and variable winds.
  • Forecast day icon
    Tuesday
    Partly Sunny
    85°
    Forecast night icon
    Night
    Partly Cloudy
    63°
    Tuesday 5/21
    Day
    85°
    Partly Sunny
    Forecast day icon
    Night
    63°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. Warm with highs in the mid 80s. Light and variable winds becoming southwest around 10 mph in the afternoon.
    Night Details
    Partly cloudy. Lows in the lower 60s. Light and variable winds.
  • Forecast day icon
    Wednesday
    Mostly Sunny
    87°
    Forecast night icon
    Night
    Partly Cloudy
    63°
    Wednesday 5/22
    Day
    87°
    Mostly Sunny
    Forecast day icon
    Night
    63°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Warm with highs in the upper 80s.
    Night Details
    Partly cloudy. Lows in the lower 60s.
  • Forecast day icon
    Thursday
    50% Chance Rain Showers
    80°
    Forecast night icon
    Night
    50% Chance Rain Showers
    57°
    Thursday 5/23
    Day
    80°
    50% Chance Rain Showers
    Forecast day icon
    Night
    57°
    50% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. A chance of showers in the afternoon. Highs in the mid 80s. Chance of rain 50 percent.
    Night Details
    Partly cloudy. A chance of showers in the evening. Lows in the mid 50s. Chance of rain 50 percent.
  • Forecast day icon
    Friday
    Partly Sunny
    71°
    Forecast night icon
    Night
    Mostly Clear
    49°
    Friday 5/24
    Day
    71°
    Partly Sunny
    Forecast day icon
    Night
    49°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. Highs in the lower 70s.
    Night Details
    Mostly clear. Lows around 50.
  • Forecast day icon
    Saturday
    Partly Sunny
    69°
    Forecast night icon
    Night
    Partly Cloudy
    51°
    Saturday 5/25
    Day
    69°
    Partly Sunny
    Forecast day icon
    Night
    51°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. Highs in the lower 70s.
    Night Details
    Partly cloudy. Lows in the lower 50s.
  • Forecast day icon
    Sunday
    Partly Sunny
    68°
    Forecast night icon
    Night
    Partly Cloudy
    52°
    Sunday 5/26
    Day
    68°
    Partly Sunny
    Forecast day icon
    Night
    52°
    Partly Cloudy
    Forecast night icon
    Day Details
    Partly sunny. Highs in the lower 70s.
    Night Details
    Partly cloudy. Low temperature around 52F. Dew point will be around 49F with an average humidity of 77%. Winds will be 2 mph from the S.
  • Forecast day icon
    Monday
    30% Chance of Rain
    69°
    Forecast night icon
    Night
    40% Chance of Rain
    58°
    Monday 5/27
    Day
    69°
    30% Chance of Rain
    Forecast day icon
    Night
    58°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 69F. Dew point will be around 53F with an average humidity of 69%. Winds will be 2 mph from the SW.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 58F. Dew point will be around 55F with an average humidity of 82%. Winds will be 2 mph from the S.
  • Forecast day icon
    Tuesday
    40% Chance of Rain
    69°
    Forecast night icon
    Night
    50% Chance of Rain
    59°
    Tuesday 5/28
    Day
    69°
    40% Chance of Rain
    Forecast day icon
    Night
    59°
    50% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a chance of rain. Chance of precipitation 40%. High temperature around 69F. Dew point will be around 56F with an average humidity of 75%. Winds will be 1 mph from the S.
    Night Details
    Cloudy with a chance of rain. Chance of precipitation 45%. Low temperature around 59F. Dew point will be around 57F with an average humidity of 83%. Winds will be 1 mph from the S.