Derry, PA Weather Forecast
Local 7-day forecast
Mostly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Derry, PA in one place.
Mostly cloudy, with a low around 50. North wind 3 to 7 mph.
Local Weather Overview
This forecast page for Derry, 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 2:52 AM EDT.
The active forecast window currently covers Oct 15 to Oct 21, 2026 for Derry, PA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 15 to Oct 21, 2026
- Latest sync
- Oct 15, 2026 2:52 AM EDT
- Forecast office
- CTP
- Source
- NOAA / NWS
Daily Outlook
This Week in Derry
Friday looks like the warmest upcoming period in Derry at 77 degrees F.
Saturday Night is the coolest period ahead with temperatures near 31 degrees F.
The strongest winds are forecast for Saturday at about 10 to 16 mph N.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 15, 2026 2:52 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
Mostly sunny, with a high near 66. Northeast wind around 5 mph.
A chance of rain between 11pm and 2am, then rain and a slight chance of thunderstorms. Mostly cloudy, with a low around 55. Southeast wind 3 to 12 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
Rain likely and a slight chance of thunderstorms before 8am, then a slight chance of rain showers between 8am and 10am, then a chance of showers and thunderstorms between 2pm and 3pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 77. Southwest wind around 12 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
A chance of showers and thunderstorms before 7pm, then a slight chance of showers and thunderstorms between 7pm and 2am. Mostly cloudy, with a low around 42. Northwest wind 9 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.
Mostly sunny, with a high near 50.
Widespread frost after midnight. Mostly clear, with a low around 31.
Widespread frost before 10am. Sunny, with a high near 57.
Mostly clear, with a low around 35.
Patchy frost between 7am and 8am. Sunny, with a high near 62.
Partly cloudy, with a low around 39.
Mostly sunny, with a high near 64.
Partly cloudy, with a low around 40.
Sunny, with a high near 64.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Oct 15
|
Mostly Cloudy
|
50°F |
3 to 7 mph
N
|
|
Thursday
Oct 15
|
Mostly Sunny
|
66°F |
5 mph
NE
|
|
Thursday Night
Oct 15
|
Light Rain
|
55°F |
3 to 12 mph
SE
|
|
Friday
Oct 16
|
Light Rain Likely then Chance Showers And Thunderstorms
|
77°F |
12 mph
SW
|
|
Friday Night
Oct 16
|
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
|
42°F |
9 to 15 mph
NW
|
|
Saturday
Oct 17
|
Mostly Sunny
|
50°F |
10 to 16 mph
N
|
|
Saturday Night
Oct 17
|
Mostly Clear then Widespread Frost
|
31°F |
0 to 8 mph
N
|
|
Sunday
Oct 18
|
Widespread Frost then Sunny
|
57°F |
0 to 5 mph
W
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
35°F |
0 to 3 mph
SE
|
|
Monday
Oct 19
|
Patchy Frost then Sunny
|
62°F |
0 to 5 mph
SW
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
39°F |
2 mph
E
|
|
Tuesday
Oct 20
|
Mostly Sunny
|
64°F |
2 mph
N
|
|
Tuesday Night
Oct 20
|
Partly Cloudy
|
40°F |
1 mph
N
|
|
Wednesday
Oct 21
|
Sunny
|
64°F |
2 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Derry.