Pennsylvania · NWS PHI office

Pottstown, PA weather

It is 43°F and clear at Pottstown, Pottstown Limerick Airport as of Oct 28, 2:15 AM EDT. Overnight: Patchy Fog, low near 39°F. Forecast from the National Weather Service, issued Oct 27, 4:09 PM EDT.

Updated Oct 28, 2:30 AM EDT (snapshot)

Current conditions

Temperature

43°F

Clear

Wind

Calm

Humidity 100% · dew point 43°F

Pressure · visibility

30.44 inHg

Visibility 10 mi

Observed at Pottstown, Pottstown Limerick Airport (KPTW), Oct 28, 2:15 AM EDT. Station readings can lag or be missing.

Alerts for this area

No active NWS alerts cover the Pottstown forecast zone right now.

Around the NWS PHI forecast area

No active alerts in zones served by the PHI office near Pottstown.

From the alert snapshot of Oct 28, 2026, 2:15 AM EDT. No alerts are active anywhere in Pennsylvania.

For official warnings, check weather.gov and your local authorities. OpenForecast repeats National Weather Service alerts and may be delayed or incomplete. Follow instructions from emergency officials.

Next 24 hours

Hourly forecast for Pottstown (local time)
TimeTempForecastPrecip. chanceWind
Wed 2 AM43°FPatchy Fog0% 0 mph
Wed 3 AM42°FPatchy Fog0% 0 mph
Wed 4 AM40°FPatchy Fog0% 0 mph
Wed 5 AM40°FPatchy Fog0% 0 mph
Wed 6 AM39°FPatchy Fog0% 0 mph
Wed 7 AM39°FPatchy Fog0% 0 mph
Wed 8 AM39°FPatchy Fog0% 0 mph
Wed 9 AM45°FMostly Sunny0% 0 mph
Wed 10 AM51°FMostly Sunny0% 0 mph
Wed 11 AM56°FMostly Sunny0% 0 mph
Wed 12 PM59°FMostly Sunny0% 0 mph
Wed 1 PM61°FPartly Sunny0% 0 mph
Wed 2 PM63°FPartly Sunny0%SE 5 mph
Wed 3 PM63°FPartly Sunny0%SE 5 mph
Wed 4 PM63°FPartly Sunny0% 0 mph
Wed 5 PM62°FMostly Cloudy0% 0 mph
Wed 6 PM59°FMostly Cloudy0% 0 mph
Wed 7 PM56°FMostly Cloudy0% 0 mph
Wed 8 PM53°FMostly Cloudy0% 0 mph
Wed 9 PM52°FPartly Cloudy0% 0 mph
Wed 10 PM50°FMostly Clear0% 0 mph
Wed 11 PM50°FMostly Clear0% 0 mph
Thu 12 AM49°FClear0% 0 mph
Thu 1 AM48°FMostly Clear0% 0 mph

Hourly values come from the NWS gridded forecast for the 2.5 km grid square that covers the city's center point. Conditions elsewhere in Pottstown can differ.

7-day forecast

Overnight

Low 39°F

Patchy fog. Mostly clear, with a low around 39. Wind around 0 mph.

Wednesday

High 65°F·Low 45°F

Patchy fog before 9am. Mostly sunny, with a high near 65. Southeast wind 0 to 5 mph.

Wednesday Night: Partly cloudy, with a low around 45. Southeast wind around 0 mph.

Thursday

High 71°F·Low 51°F

Mostly sunny, with a high near 71. Southwest wind 0 to 5 mph.

Thursday Night: Mostly clear, with a low around 51. Southwest wind 0 to 5 mph.

Friday

High 74°F·Low 41°F

Sunny, with a high near 74.

Friday Night: Mostly clear, with a low around 41.

Saturday

High 66°F·Low 44°F

Mostly sunny, with a high near 66.

Saturday Night: Mostly cloudy, with a low around 44.

Sunday

High 68°F·Low 51°F

Partly sunny, with a high near 68.

Sunday Night: A chance of rain showers after 7pm. Mostly cloudy, with a low around 51. Chance of precipitation is 40%.

Monday

High 69°F·Low 51°F

A chance of rain showers. Partly sunny, with a high near 69. Chance of precipitation is 40%.

Monday Night: A chance of rain showers. Mostly cloudy, with a low around 51. Chance of precipitation is 40%.

Tuesday

High 68°F

A chance of rain showers. Partly sunny, with a high near 68.

Nearby cities

Larger cities in the area

Other cities in Montgomery County

See every city we cover in Pennsylvania, or check all active alerts.

About this forecast

Forecast office
Pottstown is served by the National Weather Service PHI forecast office, forecast zone PAZ103, county zone PAC091.
Location used
The Census Bureau's internal point for Pottstown (40.2509, -75.6448), in Montgomery County. Population: 23,553 (2024 estimate), number 23 of the 30 Pennsylvania cities on this site.
Radar
Nearest NWS radar: KDIX. View it on radar.weather.gov.

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Sources

  • Forecast, hourly forecast, observations and alerts: National Weather Service API, api.weather.gov/points/40.2509,-75.6448 (forecast issued Oct 27, 4:09 PM EDT).
  • Official forecast page: forecast.weather.gov.
  • City location and population: U.S. Census Bureau, Vintage 2024 population estimates and 2024 Gazetteer files.
  • Snapshot taken Oct 28, 2026. The NWS and Census Bureau do not endorse OpenForecast.

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