Rapid Warm-Up Forecast Across Much of the Lower 48 Today and Tuesday

Most of the U.S. starts the week calm and unseasonably warm. The Heartland will be warmest, with highs 25–30° above average. Only the Gulf Coast stays chilly. Rain today is limited to western Washington while lake effect snow continues east of Lake Ontario. Cooler air returns after Tuesday, bringing a wintry mix to the Midwest and Northeast by Wednesday. Read More >

Current conditions at

Pottstown, Pottstown Limerick Airport (KPTW)

Lat: 40.24°NLon: 75.55°WElev: 288ft.

Fair

37°F

3°C

Humidity	48%
Wind Speed	Calm
Barometer	30.15 in (1021.1 mb)
Dewpoint	19°F (-7°C)
Visibility	10.00 mi
Last update	12 Jan 5:54 pm EST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Collegeville PA

Tonight
Low: 28 °F
Mostly Clear
Tuesday
High: 48 °F
Sunny
Tuesday Night
Low: 36 °F
Mostly Cloudy
Wednesday
High: 50 °F
Chance Rain
Wednesday Night
Low: 30 °F
Rain Likely
then
Rain/Snow
Likely
Thursday
High: 36 °F
Chance
Rain/Snow
Thursday Night
Low: 16 °F
Partly Cloudy
Friday
High: 32 °F
Mostly Sunny
Friday Night
Low: 22 °F
Mostly Cloudy

Detailed Forecast

Tonight

Mostly clear, with a low around 28. Southwest wind around 5 mph.

Tuesday

Sunny, with a high near 48. Light southwest wind increasing to 5 to 10 mph in the morning.

Tuesday Night

Mostly cloudy, with a low around 36. Southwest wind around 5 mph.

Wednesday

A chance of rain, mainly after 1pm. Cloudy, with a high near 50. Southwest wind around 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

Wednesday Night

Rain likely before 4am, then rain likely, possibly mixed with snow. Cloudy, with a low around 30. Calm wind becoming west around 5 mph after midnight. Chance of precipitation is 70%. Little or no snow accumulation expected.

Thursday

A chance of rain and snow, mainly before 1pm. Partly sunny, with a high near 36. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Thursday Night

Partly cloudy, with a low around 16.

Friday

Mostly sunny, with a high near 32.

Friday Night

Mostly cloudy, with a low around 22.

Saturday

Mostly sunny, with a high near 40.

Saturday Night

Mostly cloudy, with a low around 23.

Sunday

A chance of snow. Partly sunny, with a high near 33. Chance of precipitation is 30%.