18914 Weather (Chalfont, PA)

Weather forecast for: Chalfont PA

Last Update: 4:11 pm EDT Sep 26, 2026

This Afternoon: Showers likely, mainly before 5pm. Cloudy, with a high near 62. North wind around 15 mph, with gusts as high as 40 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Tonight: Showers likely, mainly after 3am. Mostly cloudy, with a low around 56. North wind around 15 mph, with gusts as high as 35 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

Sunday: Showers. High near 65. Breezy, with a north wind 15 to 20 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

Sunday Night: Showers, mainly before midnight. Low around 59. North wind 10 to 15 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Monday: A slight chance of showers before 2pm. Mostly cloudy, with a high near 68. North wind 5 to 10 mph. Chance of precipitation is 20%.

Monday Night: Mostly cloudy, with a low around 58.

Tuesday: Partly sunny, with a high near 73.

Tuesday Night: Partly cloudy, with a low around 58.

Wednesday: Mostly sunny, with a high near 77.

Wednesday Night: Mostly cloudy, with a low around 61.

Thursday: Mostly sunny, with a high near 79.

Thursday Night: Partly cloudy, with a low around 62.

Friday: Partly sunny, with a high near 78.

Friday Night: A chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 30%.

Saturday: A chance of showers. Partly sunny, with a high near 72.