18914 Weather (Chalfont, PA)

Weather forecast for: Chalfont PA

Last Update: 1:18 pm EST Nov 12, 2026

This Afternoon: Showers and possibly a thunderstorm. Some of the storms could be severe and produce heavy rainfall. High near 60. East wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight: Rain likely, mainly after midnight. Mostly cloudy, with a low around 37. Northeast wind 5 to 15 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

Friday: Rain. High near 45. North wind 10 to 15 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Friday Night: Rain likely, mainly before midnight. Mostly cloudy, with a low around 31. Northwest wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Saturday: Partly sunny, with a high near 47. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

Saturday Night: Partly cloudy, with a low around 32.

Sunday: Mostly sunny, with a high near 50.

Sunday Night: Partly cloudy, with a low around 32.

Monday: Sunny, with a high near 51.

Monday Night: Mostly clear, with a low around 29.

Tuesday: Sunny, with a high near 54.

Tuesday Night: Clear, with a low around 30.

Wednesday: Sunny, with a high near 59.

Wednesday Night: Clear, with a low around 32.

Thursday: Sunny, with a high near 61.