Grantham, Pennsylvania | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Clear
    64°
    Wednesday 5/1
    Forecast night icon
    64°
    Clear
    Hourly
    Night Details
    Clear. Low temperature around 64F. Dew point will be around 50F with an average humidity of 74%. Winds will be 2 mph from the SW.
  • Forecast day icon
    Thursday
    Sunny
    83°
    Forecast night icon
    Night
    Mostly Clear
    57°
    Thursday 5/2
    Day
    83°
    Sunny
    Forecast day icon
    Night
    57°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Very warm with highs in the mid 80s. West winds 5 to 10 mph with gusts up to 20 mph.
    Night Details
    Mostly clear. Lows in the mid 50s. Northwest winds 5 to 10 mph becoming northeast after midnight.
  • Forecast day icon
    Friday
    Mostly Sunny
    75°
    Forecast night icon
    Night
    40% Chance Rain Showers
    50°
    Friday 5/3
    Day
    75°
    Mostly Sunny
    Forecast day icon
    Night
    50°
    40% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the upper 70s. East winds 5 to 10 mph.
    Night Details
    Mostly cloudy. A chance of showers after midnight. Lows in the lower 50s. Southeast winds 10 to 15 mph. Chance of rain 40 percent.
  • Forecast day icon
    Saturday
    50% Chance Rain Showers
    61°
    Forecast night icon
    Night
    80% Chance Rain Showers
    50°
    Saturday 5/4
    Day
    61°
    50% Chance Rain Showers
    Forecast day icon
    Night
    50°
    80% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Cloudy with a 50 percent chance of showers. Much cooler with highs around 60. Southeast winds 10 to 15 mph.
    Night Details
    Showers likely in the evening then showers after midnight. Lows in the lower 50s. Chance of rain 80 percent.
  • Forecast day icon
    Sunday
    80% Chance of Storms
    59°
    Forecast night icon
    Night
    50% Chance of Storms
    58°
    Sunday 5/5
    Day
    59°
    80% Chance of Storms
    Forecast day icon
    Night
    58°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Showers in the morning then showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 60s. Chance of rain 80 percent.
    Night Details
    Mostly cloudy with a chance of showers and thunderstorms. Lows in the upper 50s. Chance of rain 50 percent.
  • Forecast day icon
    Monday
    30% Chance Rain Showers
    70°
    Forecast night icon
    Night
    30% Chance Rain Showers
    60°
    Monday 5/6
    Day
    70°
    30% Chance Rain Showers
    Forecast day icon
    Night
    60°
    30% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy in the morning then partly sunny with a chance of showers in the afternoon. Warmer with highs in the mid 70s. Chance of rain 30 percent.
    Night Details
    Mostly cloudy with a chance of showers. Lows in the upper 50s. Chance of rain 30 percent.
  • Forecast day icon
    Tuesday
    40% Chance Rain Showers
    76°
    Forecast night icon
    Night
    40% Chance Rain Showers
    64°
    Tuesday 5/7
    Day
    76°
    40% Chance Rain Showers
    Forecast day icon
    Night
    64°
    40% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. A chance of showers in the afternoon. Highs in the upper 70s. Chance of rain 40 percent.
    Night Details
    Mostly cloudy with a chance of showers. Lows in the lower 60s. Chance of rain 40 percent.
  • Forecast day icon
    Wednesday
    50% Chance Rain Showers
    80°
    Forecast night icon
    Night
    50% Chance of Storms
    66°
    Wednesday 5/8
    Day
    80°
    50% Chance Rain Showers
    Forecast day icon
    Night
    66°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Partly sunny with a chance of showers. Highs in the lower 80s. Chance of rain 50 percent.
    Night Details
    Partly cloudy with a 60% chance for rain and thunderstorms. Low temperature around 66F. Dew point will be around 62F with an average humidity of 75%. Winds will be 4 mph from the SW.
  • Forecast day icon
    Thursday
    40% Chance of Rain
    78°
    Forecast night icon
    Night
    40% Chance of Rain
    62°
    Thursday 5/9
    Day
    78°
    40% Chance of Rain
    Forecast day icon
    Night
    62°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a chance of rain. Chance of precipitation 40%. High temperature around 78F. Dew point will be around 61F with an average humidity of 68%. Winds will be 8 mph from the SW.
    Night Details
    Mostly clear with a chance of rain. Chance of precipitation 35%. Low temperature around 62F. Dew point will be around 57F with an average humidity of 70%. Winds will be 6 mph from the W.
  • Forecast day icon
    Friday
    40% Chance of Rain
    72°
    Forecast night icon
    Night
    40% Chance of Rain
    59°
    Friday 5/10
    Day
    72°
    40% Chance of Rain
    Forecast day icon
    Night
    59°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 72F. Dew point will be around 55F with an average humidity of 63%. Winds will be 7 mph from the W.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 59F. Dew point will be around 53F with an average humidity of 70%. Winds will be 5 mph from the W.