Orrstown, PA Weather Forecast
Local 7-day forecast
Showers And Thunderstorms Likely
Track current conditions, temperature changes, wind, and the full daily outlook for Orrstown, PA in one place.
A chance of rain showers before 9pm, then showers and thunderstorms likely. Cloudy. Low around 45, with temperatures rising to around 51 overnight. Southwest wind 3 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Local Weather Overview
This forecast page for Orrstown, 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 18, 2026 9:56 PM EDT.
The active forecast window currently covers Apr 18 to Apr 25, 2026 for Orrstown, PA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 18 to Apr 25, 2026
- Latest sync
- Apr 18, 2026 9:56 PM EDT
- Forecast office
- CTP
- Source
- NOAA / NWS
Daily Outlook
This Week in Orrstown
Friday looks like the warmest upcoming period in Orrstown at 80 degrees F.
Monday Night is the coolest period ahead with temperatures near 27 degrees F.
The strongest winds are forecast for Sunday at about 9 to 14 mph NW.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 18, 2026 9:56 PM EDT
- Coverage
- 8 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
Rain showers before 10am. Partly sunny, with a high near 55. Northwest wind 9 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
A chance of rain showers between 8pm and 11pm, then a chance of rain and snow showers. Partly cloudy, with a low around 36. West wind 2 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
A slight chance of rain showers before 8am. Mostly sunny, with a high near 48. Northwest wind 5 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Mostly clear, with a low around 27. Northwest wind 0 to 9 mph.
Sunny, with a high near 58.
A chance of rain showers after 8pm. Partly cloudy, with a low around 42. Chance of precipitation is 30%.
A chance of rain showers. Partly sunny, with a high near 69. Chance of precipitation is 30%.
A slight chance of rain showers before 8pm. Mostly clear, with a low around 43.
Sunny, with a high near 75.
Mostly clear, with a low around 50.
Sunny, with a high near 80.
A chance of rain showers after 8pm. Partly cloudy, with a low around 54. Chance of precipitation is 30%.
A chance of rain showers. Partly sunny, with a high near 73.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tonight
Apr 18
|
Showers And Thunderstorms Likely
|
45°F |
3 to 10 mph
SW
|
|
Sunday
Apr 19
|
Rain Showers then Partly Sunny
|
55°F |
9 to 14 mph
NW
|
|
Sunday Night
Apr 19
|
Chance Rain And Snow Showers
|
36°F |
2 to 9 mph
W
|
|
Monday
Apr 20
|
Slight Chance Rain Showers then Mostly Sunny
|
48°F |
5 to 10 mph
NW
|
|
Monday Night
Apr 20
|
Mostly Clear
|
27°F |
0 to 9 mph
NW
|
|
Tuesday
Apr 21
|
Sunny
|
58°F |
0 to 7 mph
SW
|
|
Tuesday Night
Apr 21
|
Chance Rain Showers
|
42°F |
6 mph
S
|
|
Wednesday
Apr 22
|
Chance Rain Showers
|
69°F |
3 to 7 mph
W
|
|
Wednesday Night
Apr 22
|
Slight Chance Rain Showers then Mostly Clear
|
43°F |
1 to 5 mph
N
|
|
Thursday
Apr 23
|
Sunny
|
75°F |
1 to 5 mph
NW
|
|
Thursday Night
Apr 23
|
Mostly Clear
|
50°F |
3 mph
SW
|
|
Friday
Apr 24
|
Sunny
|
80°F |
1 to 6 mph
SW
|
|
Friday Night
Apr 24
|
Chance Rain Showers
|
54°F |
5 mph
E
|
|
Saturday
Apr 25
|
Chance Rain Showers
|
73°F |
2 to 7 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Orrstown.