Mechanicsburg, PA Weather Forecast
Local 7-day forecast
Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Mechanicsburg, PA in one place.
A chance of rain showers. Mostly cloudy, with a low around 65. Southwest wind around 7 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
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: Apr 15, 2026 7:53 AM EDT.
The active forecast window currently covers Apr 15 to Apr 21, 2026 for Mechanicsburg, PA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 15 to Apr 21, 2026
- Latest sync
- Apr 15, 2026 7:53 AM EDT
- Forecast office
- PBZ
- Source
- NOAA / NWS
Daily Outlook
This Week in Mechanicsburg
Wednesday looks like the warmest upcoming period in Mechanicsburg at 82 degrees F.
Sunday Night is the coolest period ahead with temperatures near 34 degrees F.
The strongest winds are forecast for Sunday at about 9 to 15 mph W.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 15, 2026 7:53 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
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 82. Southwest wind around 12 mph, with gusts as high as 23 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of showers and thunderstorms before 11pm, then a chance of showers and thunderstorms between 11pm and 4am. Mostly cloudy, with a low around 65. Southwest wind 6 to 9 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
A chance of showers and thunderstorms between 2pm and 5pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 80. Southwest wind 7 to 12 mph, with gusts as high as 23 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms before 8pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 60. Southwest wind 6 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of rain showers before 2pm. Mostly sunny, with a high near 75. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Partly cloudy, with a low around 57.
A chance of rain showers between 8am and 2pm, then showers and thunderstorms likely. Partly sunny, with a high near 81. Chance of precipitation is 60%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 46. Chance of precipitation is 60%.
A chance of rain showers. Partly sunny, with a high near 57. Chance of precipitation is 50%.
A chance of rain showers before 2am. Partly cloudy, with a low around 34. Chance of precipitation is 30%.
Mostly sunny, with a high near 51.
Mostly clear, with a low around 34.
Mostly sunny, with a high near 68.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Apr 15
|
Chance Rain Showers
|
65°F |
7 mph
SW
|
|
Wednesday
Apr 15
|
Chance Rain Showers then Chance Showers And Thunderstorms
|
82°F |
12 mph
SW
|
|
Wednesday Night
Apr 15
|
Chance Showers And Thunderstorms
|
65°F |
6 to 9 mph
SW
|
|
Thursday
Apr 16
|
Partly Sunny then Chance Showers And Thunderstorms
|
80°F |
7 to 12 mph
SW
|
|
Thursday Night
Apr 16
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
60°F |
6 to 9 mph
SW
|
|
Friday
Apr 17
|
Chance Rain Showers
|
75°F |
7 mph
W
|
|
Friday Night
Apr 17
|
Partly Cloudy
|
57°F |
5 mph
E
|
|
Saturday
Apr 18
|
Showers And Thunderstorms Likely
|
81°F |
5 to 12 mph
S
|
|
Saturday Night
Apr 18
|
Showers And Thunderstorms Likely
|
46°F |
10 mph
SW
|
|
Sunday
Apr 19
|
Chance Rain Showers
|
57°F |
9 to 15 mph
W
|
|
Sunday Night
Apr 19
|
Chance Rain Showers
|
34°F |
8 to 13 mph
W
|
|
Monday
Apr 20
|
Mostly Sunny
|
51°F |
9 to 13 mph
W
|
|
Monday Night
Apr 20
|
Mostly Clear
|
34°F |
3 to 9 mph
W
|
|
Tuesday
Apr 21
|
Mostly Sunny
|
68°F |
5 to 10 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Mechanicsburg.