National Weather Service Forecast for: Horsham PA
Issued by: National Weather Service Philadelphia, PA
Updated: 12:28 am EDT May 21, 2013

Horsham
 
Overnight

Partly Cloudy
Partly
Cloudy
Tuesday

Chance Thunderstorms. Chance for Measurable Precipitation 30%
Chance
Thunderstorms
Tuesday
Night

Chance Thunderstorms. Chance for Measurable Precipitation 30%
Chance
Thunderstorms
Wednesday

Chance Thunderstorms. Chance for Measurable Precipitation 40%
Chance
Thunderstorms
Wednesday
Night

Chance Thunderstorms. Chance for Measurable Precipitation 40%
Chance
Thunderstorms
Thursday

Chance Thunderstorms. Chance for Measurable Precipitation 50%
Chance
Thunderstorms
Thursday
Night

Chance Thunderstorms. Chance for Measurable Precipitation 50%
Chance
Thunderstorms
Friday

Chance Showers. Chance for Measurable Precipitation 40%
Chance
Showers
Friday
Night

Partly Cloudy
Partly
Cloudy
Lo 64 °F Hi 84 °F Lo 66 °F Hi 85 °F Lo 67 °F Hi 77 °F Lo 60 °F Hi 71 °F Lo 49 °F

Hazardous Weather Outlook
 

Overnight
 
Partly cloudy, with a low around 64. Calm wind.
Tuesday
 
A chance of showers and thunderstorms, mainly between 3pm and 4pm. Patchy dense fog before 8am. Otherwise, partly sunny, with a high near 84. Light southwest wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
 
A chance of showers and thunderstorms, mainly after 9pm. Mostly cloudy, with a low around 66. Southwest wind around 7 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
 
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 85. Southwest wind 7 to 11 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
 
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. South wind 6 to 9 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
 
A chance of showers and thunderstorms. Mostly cloudy, with a high near 77. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
 
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 50%.
Friday
 
A chance of showers. Partly sunny, with a high near 71. Chance of precipitation is 40%.
Friday Night
 
Partly cloudy, with a low around 49.
Saturday
 
Sunny, with a high near 72.
Saturday Night
 
Partly cloudy, with a low around 49.
Sunday
 
Mostly sunny, with a high near 70.
Sunday Night
 
Partly cloudy, with a low around 51.
Memorial Day
 
Mostly sunny, with a high near 70.

 

Forecast from NOAA-NWS for Horsham PA.