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Current Weather Conditions for Grantham, PA

Mostly sunny, with a high near 101. Heat index values as high as 109. West wind around 9 mph. New rainfall amounts less than a tenth of an inch possible.
101°F

Conditions

Wind: 9 mph W
Humidity: 37%
Probability of Precipitation: 4%

Hourly Forcast (next 12 hours)

8 PM 9 PM 10 PM 11 PM 12 AM 1 AM 2 AM 3 AM 4 AM 5 AM 6 AM 7 AM 8 AM
101° 101° 99° 96° 94° 91° 88° 85° 83° 81° 80° 79° 78°

Upcoming Week

Day Forecast High Low
This Afternoon
Mostly Sunny
Mostly sunny, with a high near 101. Heat index values as high as 109. West wind around 9 mph. New rainfall amounts less than a tenth of an inch possible.
101°F 71°F
Tonight
Scattered Showers And Thunderstorms then Partly Cloudy
Scattered showers and thunderstorms before 11pm. Some of the storms could be severe. Partly cloudy, with a low around 77. Heat index values as high as 107. West wind 2 to 9 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
101°F 71°F
Independence Day
Sunny
Sunny, with a high near 98. Heat index values as high as 103. West wind 2 to 8 mph. New rainfall amounts less than a tenth of an inch possible.
101°F 71°F
Saturday Night
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
A chance of showers and thunderstorms between 7pm and 11pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 71. West wind 0 to 8 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
101°F 71°F
Sunday
Slight Chance Showers And Thunderstorms
A slight chance of rain showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers and thunderstorms. Partly sunny, with a high near 91. Northeast wind 0 to 5 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
101°F 71°F
Sunday Night
Showers And Thunderstorms
Showers and thunderstorms. Cloudy, with a low around 68. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
101°F 71°F
Monday
Showers And Thunderstorms
Rain showers likely before 11am, then showers and thunderstorms. Cloudy, with a high near 83. Chance of precipitation is 90%.
101°F 71°F
Monday Night
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 90%.
101°F 71°F
Tuesday
Chance Rain Showers then Chance Showers And Thunderstorms
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 83. Chance of precipitation is 50%.
101°F 71°F
Tuesday Night
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 50%.
101°F 71°F
Wednesday
Chance Rain Showers
A chance of rain showers. Partly sunny, with a high near 84. Chance of precipitation is 30%.
101°F 71°F
Wednesday Night
Chance Rain Showers then Partly Cloudy
A chance of rain showers before 8pm. Partly cloudy, with a low around 67. Chance of precipitation is 30%.
101°F 71°F
Thursday
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 30%.
101°F 71°F
Thursday Night
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 68.
101°F 71°F
Data provided by weather.gov