Mechanicsburg, PA Weather Forecast
Local 7-day forecast
Slight Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Mechanicsburg, PA in one place.
A slight chance of rain showers after 7am. Partly sunny, with a high near 82. West wind 3 to 7 mph. Chance of precipitation is 20%. 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: Oct 14, 2026 12:05 AM EDT.
The active forecast window currently covers Oct 14 to Oct 20, 2026 for Mechanicsburg, PA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 14 to Oct 20, 2026
- Latest sync
- Oct 14, 2026 12:05 AM EDT
- Forecast office
- CTP
- Source
- NOAA / NWS
Daily Outlook
This Week in Mechanicsburg
Wednesday looks like the warmest upcoming period in Mechanicsburg at 82 degrees F.
Saturday Night is the coolest period ahead with temperatures near 35 degrees F.
The strongest winds are forecast for Saturday at about 15 to 21 mph NW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 14, 2026 12:05 AM EDT
- Coverage
- 7 days
- Time zone
- America/New_York
- Forecast office
- CTP
- Radar station
- KCCX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of rain showers before 8pm. Mostly cloudy, with a low around 56. Northwest wind around 7 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
A chance of rain showers after 8am. Partly sunny, with a high near 67. East wind 2 to 6 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Rain showers likely. Cloudy, with a low around 58. South wind 3 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
Rain showers likely. Mostly cloudy, with a high near 76. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
Rain showers likely before 2am. Partly cloudy, with a low around 42. Chance of precipitation is 60%.
Sunny, with a high near 52.
Areas of frost after 3am. Mostly clear, with a low around 35.
Areas of frost before 9am. Sunny, with a high near 59.
Mostly clear, with a low around 39.
Mostly sunny, with a high near 63.
Mostly cloudy, with a low around 44.
Mostly sunny, with a high near 66.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Oct 14
|
Slight Chance Rain Showers
|
82°F |
3 to 7 mph
W
|
|
Wednesday Night
Oct 14
|
Slight Chance Rain Showers then Mostly Cloudy
|
56°F |
7 mph
NW
|
|
Thursday
Oct 15
|
Chance Rain Showers
|
67°F |
2 to 6 mph
E
|
|
Thursday Night
Oct 15
|
Rain Showers Likely
|
58°F |
3 to 13 mph
S
|
|
Friday
Oct 16
|
Rain Showers Likely
|
76°F |
10 to 18 mph
SW
|
|
Friday Night
Oct 16
|
Rain Showers Likely
|
42°F |
20 mph
NW
|
|
Saturday
Oct 17
|
Sunny
|
52°F |
15 to 21 mph
NW
|
|
Saturday Night
Oct 17
|
Mostly Clear then Areas Of Frost
|
35°F |
2 to 13 mph
W
|
|
Sunday
Oct 18
|
Areas Of Frost then Sunny
|
59°F |
2 to 7 mph
SW
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
39°F |
1 to 5 mph
S
|
|
Monday
Oct 19
|
Mostly Sunny
|
63°F |
1 to 6 mph
S
|
|
Monday Night
Oct 19
|
Mostly Cloudy
|
44°F |
0 to 5 mph
S
|
|
Tuesday
Oct 20
|
Mostly Sunny
|
66°F |
1 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Mechanicsburg.