Mercer, PA Weather Forecast
Local 7-day forecast
Mostly Clear
Track current conditions, temperature changes, wind, and the full daily outlook for Mercer, PA in one place.
Mostly clear, with a low around 66. West wind around 1 mph.
Local Weather Overview
This forecast page for Mercer, PA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jul 14, 2026 5:24 AM EDT.
The active forecast window currently covers Jul 14 to Jul 20, 2026 for Mercer, PA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 14 to Jul 20, 2026
- Latest sync
- Jul 14, 2026 5:24 AM EDT
- Forecast office
- PBZ
- Source
- NOAA / NWS
Daily Outlook
This Week in Mercer
Wednesday looks like the warmest upcoming period in Mercer at 94 degrees F.
Sunday Night is the coolest period ahead with temperatures near 62 degrees F.
The strongest winds are forecast for Wednesday at about 5 to 10 mph W.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 14, 2026 5:24 AM EDT
- Coverage
- 7 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
Sunny, with a high near 92. Southwest wind 1 to 8 mph.
Mostly clear, with a low around 71. West wind around 7 mph.
Mostly sunny, with a high near 94. Heat index values as high as 102. West wind 5 to 10 mph.
Partly cloudy, with a low around 68. Northwest wind 0 to 9 mph.
Mostly sunny, with a high near 90.
Partly cloudy, with a low around 64.
Mostly sunny, with a high near 88.
A chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 8am, then showers and thunderstorms likely. Partly sunny, with a high near 86. Chance of precipitation is 70%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 66. Chance of precipitation is 70%.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 83. 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 before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 82.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Jul 14
|
Mostly Clear
|
66°F |
1 mph
W
|
|
Tuesday
Jul 14
|
Sunny
|
92°F |
1 to 8 mph
SW
|
|
Tuesday Night
Jul 14
|
Mostly Clear
|
71°F |
7 mph
W
|
|
Wednesday
Jul 15
|
Mostly Sunny
|
94°F |
5 to 10 mph
W
|
|
Wednesday Night
Jul 15
|
Partly Cloudy
|
68°F |
0 to 9 mph
NW
|
|
Thursday
Jul 16
|
Mostly Sunny
|
90°F |
1 to 9 mph
NW
|
|
Thursday Night
Jul 16
|
Partly Cloudy
|
64°F |
1 to 8 mph
N
|
|
Friday
Jul 17
|
Mostly Sunny
|
88°F |
0 to 6 mph
NW
|
|
Friday Night
Jul 17
|
Chance Showers And Thunderstorms
|
65°F |
5 mph
E
|
|
Saturday
Jul 18
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
86°F |
3 to 7 mph
S
|
|
Saturday Night
Jul 18
|
Showers And Thunderstorms Likely
|
66°F |
7 mph
SW
|
|
Sunday
Jul 19
|
Chance Rain Showers
|
83°F |
7 to 10 mph
NW
|
|
Sunday Night
Jul 19
|
Chance Showers And Thunderstorms
|
62°F |
5 to 9 mph
SW
|
|
Monday
Jul 20
|
Chance Showers And Thunderstorms
|
82°F |
9 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Mercer.
