Mercer, PA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Mercer, PA in one place.
Sunny, with a high near 81. Southwest wind 12 to 15 mph, with gusts as high as 25 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: Oct 13, 2026 12:32 PM EDT.
The active forecast window currently covers Oct 13 to Oct 19, 2026 for Mercer, PA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 13 to Oct 19, 2026
- Latest sync
- Oct 13, 2026 12:32 PM EDT
- Forecast office
- PBZ
- Source
- NOAA / NWS
Daily Outlook
This Week in Mercer
Today looks like the warmest upcoming period in Mercer at 81 degrees F.
Saturday Night is the coolest period ahead with temperatures near 30 degrees F.
The strongest winds are forecast for Friday at about 15 to 21 mph W.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 13, 2026 12:32 PM 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
Mostly clear, with a low around 62. West wind 2 to 13 mph, with gusts as high as 24 mph.
Isolated showers and thunderstorms between 7am and 8am, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 73. Northwest wind 2 to 8 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
Mostly cloudy, with a low around 48. North wind 5 to 8 mph.
A chance of rain showers after 2pm. Partly sunny, with a high near 68. East wind around 6 mph. Chance of precipitation is 30%.
Rain showers before 11pm, then showers and thunderstorms. Cloudy, with a low around 54. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
Showers and thunderstorms. Mostly cloudy, with a high near 64. Chance of precipitation is 80%.
A chance of rain showers. Mostly cloudy, with a low around 34. Chance of precipitation is 50%.
A slight chance of rain showers before 8am. Mostly sunny, with a high near 50.
Mostly clear, with a low around 30.
Sunny, with a high near 59.
Mostly clear, with a low around 36.
Mostly sunny, with a high near 64.
Mostly cloudy, with a low around 40.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Oct 13
|
Sunny
|
81°F |
12 to 15 mph
SW
|
|
Tonight
Oct 13
|
Mostly Clear
|
62°F |
2 to 13 mph
W
|
|
Wednesday
Oct 14
|
Isolated Showers And Thunderstorms then Chance Showers And Thunderstorms
|
73°F |
2 to 8 mph
NW
|
|
Wednesday Night
Oct 14
|
Mostly Cloudy
|
48°F |
5 to 8 mph
N
|
|
Thursday
Oct 15
|
Partly Sunny then Chance Rain Showers
|
68°F |
6 mph
E
|
|
Thursday Night
Oct 15
|
Showers And Thunderstorms
|
54°F |
3 to 14 mph
S
|
|
Friday
Oct 16
|
Showers And Thunderstorms
|
64°F |
15 to 21 mph
W
|
|
Friday Night
Oct 16
|
Chance Rain Showers
|
34°F |
16 to 20 mph
NW
|
|
Saturday
Oct 17
|
Slight Chance Rain Showers then Mostly Sunny
|
50°F |
14 to 18 mph
NW
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
30°F |
2 to 10 mph
W
|
|
Sunday
Oct 18
|
Sunny
|
59°F |
3 to 8 mph
SW
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
36°F |
7 mph
S
|
|
Monday
Oct 19
|
Mostly Sunny
|
64°F |
6 to 9 mph
S
|
|
Monday Night
Oct 19
|
Mostly Cloudy
|
40°F |
2 to 7 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Mercer.
