Mercer County, PA Weather Forecast
County weather hub
Partly Sunny
Compare major city weather across Mercer County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Partly sunny, with a high near 74.
County Weather Overview
This county weather page brings together forecast coverage for Mercer County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 5 of 5 mapped cities in Mercer County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Apr 12 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 4:47 PM EDT
- Forecast office
- PBZ
- Source
- NOAA / NWS
Daily Outlook
This Week in Mercer County
Tuesday looks like the warmest upcoming period in Mercer County at 79 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 57 degrees F.
The strongest winds are forecast for Monday at about 12 to 16 mph SW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 4:47 PM EDT
- Coverage
- 4 days
- Time zone
- America/New_York
- Forecast office
- PBZ
- Radar station
- KPBZ
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly cloudy, with a low around 60.
A chance of rain showers after 8am. Mostly cloudy, with a high near 74. Chance of precipitation is 50%.
A chance of rain showers. Mostly cloudy, with a low around 60. Chance of precipitation is 50%.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 79. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Mostly cloudy, with a high near 79. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Apr 12
|
Partly Sunny
|
74°F |
6 to 12 mph
S
|
|
Sunday Night
Apr 12
|
Mostly Cloudy
|
60°F |
7 to 10 mph
SW
|
|
Monday
Apr 13
|
Chance Rain Showers
|
74°F |
12 to 16 mph
SW
|
|
Monday Night
Apr 13
|
Chance Rain Showers
|
60°F |
8 to 13 mph
SW
|
|
Tuesday
Apr 14
|
Chance Rain Showers
|
79°F |
8 to 14 mph
SW
|
|
Tuesday Night
Apr 14
|
Chance Showers And Thunderstorms
|
62°F |
7 to 12 mph
SW
|
|
Wednesday
Apr 15
|
Chance Showers And Thunderstorms
|
79°F |
8 to 14 mph
SW
|
|
Wednesday Night
Apr 15
|
Chance Showers And Thunderstorms
|
57°F |
8 to 12 mph
SW
|
Major City Forecasts
Live forecast snapshots for major cities across Mercer County.
Coverage
Forecast coverage currently spans 5 of 5 mapped cities in Mercer County.
Largest mapped city population in this region: 15,468.
