(UV forecast courtesy of and Copyright © KNMI/ESA (http://www.temis.nl/). Used with permission.)
| National Weather Service Forecast for:
Horsham PA Issued by: National Weather Service Philadelphia, PA |
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| Updated: 10:49 pm EDT Jul 31, 2010 | ||||||||||||||||||
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| Overnight |
Mostly cloudy, with a low around 64. Calm wind. |
| Sunday |
Showers likely and possibly a thunderstorm, mainly after 2pm. Mostly cloudy, with a high near 83. Calm wind becoming south around 6 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. |
| Sunday Night |
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Cloudy, with a low around 66. South wind between 3 and 6 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. |
| Monday |
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 84. South wind between 3 and 9 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. |
| Monday Night |
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 68. South wind between 3 and 7 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. |
| Tuesday |
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 87. 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 before 8pm. Mostly cloudy, with a low around 68. Chance of precipitation is 30%. |
| Wednesday |
A chance of showers and thunderstorms. Mostly cloudy, with a high near 91. Chance of precipitation is 30%. |
| Wednesday Night |
A chance of showers and thunderstorms. Partly cloudy, with a low around 70. Chance of precipitation is 30%. |
| Thursday |
Mostly sunny, with a high near 92. |
| Thursday Night |
Partly cloudy, with a low around 67. |
| Friday |
A chance of showers and thunderstorms. Partly cloudy, with a high near 91. Chance of precipitation is 30%. |
| Friday Night |
Partly cloudy, with a low around 67. |
| Saturday |
Mostly sunny, with a high near 89. |
Forecast from NOAA-NWS for Horsham PA.