Mechanicsburg, PA Weather Forecast
Local 7-day forecast
Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Mechanicsburg, PA in one place.
Rain showers. Mostly cloudy. High near 70, with temperatures falling to around 57 in the afternoon. West wind 12 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter 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: Oct 15, 2026 4:07 PM EDT.
The active forecast window currently covers Oct 16 to Oct 21, 2026 for Mechanicsburg, PA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 16 to Oct 21, 2026
- Latest sync
- Oct 15, 2026 4:07 PM EDT
- Forecast office
- PBZ
- Source
- NOAA / NWS
Daily Outlook
This Week in Mechanicsburg
Friday looks like the warmest upcoming period in Mechanicsburg at 70 degrees F.
Saturday Night is the coolest period ahead with temperatures near 34 degrees F.
The strongest winds are forecast for Friday at about 12 to 16 mph W.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 15, 2026 4:07 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
Rain showers likely before 1am. Mostly cloudy, with a low around 40. Northwest wind around 15 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
Mostly sunny, with a high near 50. North wind 9 to 14 mph, with gusts as high as 26 mph.
Areas of frost after midnight. Clear, with a low around 34.
Areas of frost before 9am. Sunny, with a high near 59.
Mostly clear, with a low around 37.
Sunny, with a high near 64.
Partly cloudy, with a low around 40.
Mostly sunny, with a high near 66.
Mostly clear, with a low around 42.
Sunny, with a high near 65.
Mostly clear, with a low around 42.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Oct 16
|
Rain Showers
|
70°F |
12 to 16 mph
W
|
|
Friday Night
Oct 16
|
Rain Showers Likely
|
40°F |
15 mph
NW
|
|
Saturday
Oct 17
|
Mostly Sunny
|
50°F |
9 to 14 mph
N
|
|
Saturday Night
Oct 17
|
Clear then Areas Of Frost
|
34°F |
0 to 7 mph
NW
|
|
Sunday
Oct 18
|
Areas Of Frost then Sunny
|
59°F |
1 to 5 mph
S
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
37°F |
3 mph
SE
|
|
Monday
Oct 19
|
Sunny
|
64°F |
5 mph
S
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
40°F |
2 mph
E
|
|
Tuesday
Oct 20
|
Mostly Sunny
|
66°F |
2 mph
N
|
|
Tuesday Night
Oct 20
|
Mostly Clear
|
42°F |
2 mph
N
|
|
Wednesday
Oct 21
|
Sunny
|
65°F |
3 mph
NE
|
|
Wednesday Night
Oct 21
|
Mostly Clear
|
42°F |
2 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Mechanicsburg.