No

you don't need a jacket based on the weather in Horsham, PA, USA 1 second ago

75°F24°C & Clear

Wind is 4 mph7 km/h from the E, gusting to 9 mph15 km/h
May 25
11am78°F26°C5 mph7 km/h SEMostly Cloudy
12pm81°F27°C4 mph7 km/h SEMostly Cloudy
1pm83°F29°C4 mph6 km/h SWPartly Cloudy
2pm85°F29°C4 mph7 km/h SWMostly Cloudy
3pm86°F30°C4 mph7 km/h WMostly Cloudy
4pm85°F30°C5 mph7 km/h WMostly Cloudy
5pm84°F29°C6 mph10 km/h SMostly Cloudy
6pm83°F28°C6 mph10 km/h SMostly Cloudy
7pm80°F26°C7 mph11 km/h SMostly Cloudy
8pm77°F25°C6 mph10 km/h SMostly Cloudy
9pm74°F23°C6 mph10 km/h SMostly Cloudy
10pm72°F22°C6 mph9 km/h SMostly Cloudy
DateLowHighWindDayNight
May 2559°F15°C86°F30°C5 mph8 km/h from SPartly CloudyMostly Cloudy
May 2665°F18°C83°F28°C4 mph7 km/h from SRainRain
May 2762°F17°C79°F26°C10 mph16 km/h from SEThunderstormsThunderstorms
May 2863°F17°C81°F27°C10 mph17 km/h from WMostly ClearClear
May 2957°F14°C76°F24°C8 mph13 km/h from WMostly ClearRain
May 3051°F11°C71°F22°C10 mph16 km/h from NWPartly CloudyMostly Clear
May 3151°F10°C70°F21°C8 mph12 km/h from NMostly ClearMostly Clear

No

Low of 64°F18°C, High of 83°F29°C
Wind: 4 mph7 km/h
Precipitation: 36% rain

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