Grantham, Pennsylvania | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Partly Cloudy
    54°
    Tuesday 4/16
    Forecast night icon
    54°
    Partly Cloudy
    Hourly
    Night Details
    Partly cloudy. Lows around 50. Southeast winds around 5 mph.
  • Forecast day icon
    Wednesday
    70% Chance of Storms
    62°
    Forecast night icon
    Night
    70% Chance of Storms
    56°
    Wednesday 4/17
    Day
    62°
    70% Chance of Storms
    Forecast day icon
    Night
    56°
    70% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Showers likely. A slight chance of thunderstorms in the afternoon. Cooler with highs in the lower 60s. Southeast winds 5 to 10 mph. Chance of rain 70 percent.
    Night Details
    Showers likely with a chance of thunderstorms in the evening then a chance of showers after midnight. Mild. Lows in the mid 50s. Southeast winds 5 to 10 mph. Chance of rain 70 percent.
  • Forecast day icon
    Thursday
    Partly Sunny
    60°
    Forecast night icon
    Night
    Mostly Cloudy
    48°
    Thursday 4/18
    Day
    60°
    Partly Sunny
    Forecast day icon
    Night
    48°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy in the morning then becoming partly sunny. Highs in the upper 60s. Northeast winds 5 to 10 mph.
    Night Details
    Mostly cloudy. Lows in the upper 40s. East winds 5 to 10 mph.
  • Forecast day icon
    Friday
    70% Chance Rain Showers
    59°
    Forecast night icon
    Night
    70% Chance Rain Showers
    50°
    Friday 4/19
    Day
    59°
    70% Chance Rain Showers
    Forecast day icon
    Night
    50°
    70% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. A chance of showers in the morning then showers likely in the afternoon. Highs in the lower 60s. Chance of rain 70 percent.
    Night Details
    Mostly cloudy. Showers likely mainly in the evening. Lows in the upper 40s. Chance of rain 70 percent.
  • Forecast day icon
    Saturday
    Mostly Sunny
    63°
    Forecast night icon
    Night
    Partly Cloudy
    43°
    Saturday 4/20
    Day
    63°
    Mostly Sunny
    Forecast day icon
    Night
    43°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs around 60.
    Night Details
    Partly cloudy in the evening then clearing. Lows in the upper 30s.
  • Forecast day icon
    Sunday
    Mostly Sunny
    54°
    Forecast night icon
    Night
    Partly Cloudy
    42°
    Sunday 4/21
    Day
    54°
    Mostly Sunny
    Forecast day icon
    Night
    42°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the upper 50s.
    Night Details
    Partly cloudy in the evening then clearing. Lows in the upper 30s.
  • Forecast day icon
    Monday
    Mostly Sunny
    58°
    Forecast night icon
    Night
    Partly Cloudy
    43°
    Monday 4/22
    Day
    58°
    Mostly Sunny
    Forecast day icon
    Night
    43°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the lower 60s.
    Night Details
    Partly cloudy. Lows in the lower 40s.
  • Forecast day icon
    Tuesday
    Partly Sunny
    58°
    Forecast night icon
    Night
    40% Chance of Rain
    47°
    Tuesday 4/23
    Day
    58°
    Partly Sunny
    Forecast day icon
    Night
    47°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Partly sunny. Highs in the mid 60s.
    Night Details
    Mostly clear with a chance of rain. Chance of precipitation 35%. Low temperature around 47F. Dew point will be around 38F with an average humidity of 62%. Winds will be 4 mph from the S.
  • Forecast day icon
    Wednesday
    30% Chance of Rain
    60°
    Forecast night icon
    Night
    Mostly Cloudy
    51°
    Wednesday 4/24
    Day
    60°
    30% Chance of Rain
    Forecast day icon
    Night
    51°
    Mostly Cloudy
    Forecast night icon
    Day Details
    Mostly sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 60F. Dew point will be around 41F with an average humidity of 58%. Winds will be 3 mph from the S.
    Night Details
    Mostly cloudy. Low temperature around 51F. Dew point will be around 43F with an average humidity of 67%. Winds will be 3 mph from the S.
  • Forecast day icon
    Thursday
    30% Chance of Rain
    62°
    Forecast night icon
    Night
    30% Chance of Rain
    53°
    Thursday 4/25
    Day
    62°
    30% Chance of Rain
    Forecast day icon
    Night
    53°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 62F. Dew point will be around 44F with an average humidity of 63%. Winds will be 3 mph from the S.
    Night Details
    Mostly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 53F. Dew point will be around 46F with an average humidity of 69%. Winds will be 4 mph from the S.