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Current Weather Conditions for Grantham, PA

A chance of rain showers between 3pm and 5pm, then a chance of showers and thunderstorms. Some of the storms could be severe. Mostly sunny, with a high near 99. Heat index values as high as 108. West wind 3 to 9 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
82°F

Conditions

Wind: 3 mph W
Humidity: 65%
Probability of Precipitation: 4%

Hourly Forcast (next 12 hours)

11 AM 12 PM 1 PM 2 PM 3 PM 4 PM 5 PM 6 PM 7 PM 8 PM 9 PM 10 PM 11 PM
82° 83° 86° 89° 92° 94° 96° 98° 99° 97° 96° 93° 90°

Upcoming Week

Day Forecast High Low
Independence Day
Mostly Sunny then Chance Showers And Thunderstorms
A chance of rain showers between 3pm and 5pm, then a chance of showers and thunderstorms. Some of the storms could be severe. Mostly sunny, with a high near 99. Heat index values as high as 108. West wind 3 to 9 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
87°F 71°F
Tonight
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 3am. Some of the storms could be severe. Mostly cloudy, with a low around 72. Heat index values as high as 100. Southwest wind 0 to 8 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
87°F 71°F
Sunday
Slight Chance Rain Showers then Showers And Thunderstorms Likely
A slight chance of rain showers between 10am and noon, then showers and thunderstorms likely. Some of the storms could produce heavy rain. Partly sunny, with a high near 88. Northeast wind 1 to 5 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
87°F 71°F
Sunday Night
Showers And Thunderstorms Likely then Showers And Thunderstorms
Showers and thunderstorms likely before 7pm, then showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 67. East wind 2 to 6 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
87°F 71°F
Monday
Rain Showers
Rain showers before 2pm, then showers and thunderstorms. Cloudy, with a high near 80. East wind 3 to 7 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
87°F 71°F
Monday Night
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
87°F 71°F
Tuesday
Showers And Thunderstorms Likely
Showers and thunderstorms likely before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.
87°F 71°F
Tuesday Night
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.
87°F 71°F
Wednesday
Chance Showers And Thunderstorms
A slight chance of rain showers before 8am, then a chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 30%.
87°F 71°F
Wednesday Night
Chance Showers And Thunderstorms then Partly Cloudy
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
87°F 71°F
Thursday
Partly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 30%.
87°F 71°F
Thursday Night
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.
87°F 71°F
Friday
Slight Chance Rain Showers then Chance Showers And Thunderstorms
A slight chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 89. Chance of precipitation is 40%.
87°F 71°F
Friday Night
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 68.
87°F 71°F
Data provided by weather.gov