Mechanicsburg, PA Weather Forecast
Local 7-day forecast
Haze
Track current conditions, temperature changes, wind, and the full daily outlook for Mechanicsburg, PA in one place.
Haze and areas of smoke. Mostly sunny, with a high near 90. Northwest wind 1 to 8 mph.
Local Weather Overview
This forecast page for Mechanicsburg, 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 8:30 PM EDT.
The active forecast window currently covers Jul 16 to Jul 21, 2026 for Mechanicsburg, PA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 16 to Jul 21, 2026
- Latest sync
- Jul 14, 2026 8:30 PM EDT
- Forecast office
- PBZ
- Source
- NOAA / NWS
Daily Outlook
This Week in Mechanicsburg
Thursday looks like the warmest upcoming period in Mechanicsburg at 90 degrees F.
Sunday Night is the coolest period ahead with temperatures near 66 degrees F.
The strongest winds are forecast for Tuesday at about 8 to 12 mph SW.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 14, 2026 8:30 PM EDT
- Coverage
- 6 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
Haze and areas of smoke before 8pm. Mostly clear, with a low around 67. North wind 1 to 8 mph.
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 20%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 8am, then showers and thunderstorms likely between 8am and 2pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 85. Chance of precipitation is 70%.
Showers and thunderstorms likely before 8pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 69. Chance of precipitation is 70%.
A chance of rain showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 66. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Mostly sunny, with a high near 85. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 50%.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 82.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Jul 16
|
Haze
|
90°F |
1 to 8 mph
NW
|
|
Thursday Night
Jul 16
|
Haze then Mostly Clear
|
67°F |
1 to 8 mph
N
|
|
Friday
Jul 17
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
88°F |
3 mph
SE
|
|
Friday Night
Jul 17
|
Chance Showers And Thunderstorms
|
69°F |
3 mph
SE
|
|
Saturday
Jul 18
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
85°F |
3 to 8 mph
SW
|
|
Saturday Night
Jul 18
|
Showers And Thunderstorms Likely
|
69°F |
7 mph
SW
|
|
Sunday
Jul 19
|
Chance Showers And Thunderstorms
|
83°F |
8 mph
W
|
|
Sunday Night
Jul 19
|
Chance Showers And Thunderstorms
|
66°F |
2 to 8 mph
W
|
|
Monday
Jul 20
|
Chance Showers And Thunderstorms
|
85°F |
2 to 7 mph
SW
|
|
Monday Night
Jul 20
|
Chance Showers And Thunderstorms
|
67°F |
5 to 8 mph
SW
|
|
Tuesday
Jul 21
|
Chance Rain Showers then Chance Showers And Thunderstorms
|
82°F |
8 to 12 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Mechanicsburg.