Pennsylvania · NWS PBZ office

Plum, PA weather

It is 50°F and clear at Pittsburgh - Allegheny County Airport as of Oct 28, 5:05 AM EDT. Overnight: Mostly Cloudy, low near 46°F. Forecast from the National Weather Service, issued Oct 28, 3:16 AM EDT.

Updated Oct 28, 5:27 AM EDT (snapshot)

Current conditions

Temperature

50°F

Clear

Wind

SSE 7 mph

Humidity 87% · dew point 46°F

Pressure · visibility

30.29 inHg

Visibility 8 mi

Observed at Pittsburgh - Allegheny County Airport (KAGC), Oct 28, 5:05 AM EDT. Station readings can lag or be missing.

Alerts for this area

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

Around the NWS PBZ forecast area

No active alerts in zones served by the PBZ office near Plum.

From the alert snapshot of Oct 28, 2026, 5:12 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 Plum (local time)
TimeTempForecastPrecip. chanceWind
Wed 7 AM49°FMostly Cloudy0%SE 2 mph
Wed 8 AM49°FMostly Cloudy0%SE 2 mph
Wed 9 AM52°FMostly Cloudy0%SE 3 mph
Wed 10 AM57°FMostly Cloudy0%S 3 mph
Wed 11 AM61°FPartly Sunny1%S 5 mph
Wed 12 PM65°FPartly Sunny0%S 6 mph
Wed 1 PM68°FPartly Sunny0%S 7 mph
Wed 2 PM70°FMostly Sunny1%S 7 mph
Wed 3 PM70°FSunny1%S 7 mph
Wed 4 PM71°FSunny1%S 7 mph
Wed 5 PM70°FSunny1%S 5 mph
Wed 6 PM67°FClear1%S 5 mph
Wed 7 PM63°FClear0%S 5 mph
Wed 8 PM57°FClear0%S 5 mph
Wed 9 PM55°FClear0%S 3 mph
Wed 10 PM53°FClear0%S 3 mph
Wed 11 PM51°FClear0%S 5 mph
Thu 12 AM50°FClear0%S 3 mph
Thu 1 AM49°FClear0%S 3 mph
Thu 2 AM48°FClear0%S 3 mph
Thu 3 AM47°FClear0%S 3 mph
Thu 4 AM47°FClear0%S 3 mph
Thu 5 AM46°FClear0%S 5 mph
Thu 6 AM46°FSunny0%S 5 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 Plum can differ.

7-day forecast

Overnight

Low 46°F

Mostly cloudy, with a low around 46. Southeast wind around 5 mph.

Wednesday

High 72°F·Low 46°F

Mostly sunny, with a high near 72. South wind 2 to 7 mph.

Wednesday Night: Clear, with a low around 46. South wind around 5 mph.

Thursday

High 73°F·Low 52°F

Sunny, with a high near 73. Southwest wind 5 to 10 mph.

Thursday Night: Partly cloudy, with a low around 52. Southwest wind 6 to 9 mph.

Friday

High 67°F·Low 40°F

Mostly sunny, with a high near 67.

Friday Night: Partly cloudy, with a low around 40.

Saturday

High 66°F·Low 46°F

Partly sunny, with a high near 66.

Saturday Night: Mostly cloudy, with a low around 46.

Sunday

High 69°F·Low 49°F

Mostly cloudy, with a high near 69.

Sunday Night: A chance of rain showers after 7pm. Mostly cloudy, with a low around 49. Chance of precipitation is 30%.

Monday

High 67°F·Low 50°F

A chance of rain showers. Mostly cloudy, with a high near 67. Chance of precipitation is 40%.

Monday Night: A chance of rain showers. Mostly cloudy, with a low around 50. Chance of precipitation is 40%.

Tuesday

High 68°F

A chance of rain showers. Mostly cloudy, with a high near 68.

Nearby cities

Larger cities in the area

Other cities in Allegheny County

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

About this forecast

Forecast office
Plum is served by the National Weather Service PBZ forecast office, forecast zone PAZ021, county zone PAC003.
Location used
The Census Bureau's internal point for Plum (40.5019, -79.7482), in Allegheny County. Population: 26,420 (2024 estimate), number 22 of the 30 Pennsylvania cities on this site.
Radar
Nearest NWS radar: KPBZ. 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/40.5019,-79.7482 (forecast issued Oct 28, 3:16 AM 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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