Northumberland County, PA Weather Forecast
County weather hub
Clear
Compare major city weather across Northumberland County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Clear, with a low around 41. North wind 0 to 12 mph, with gusts as high as 23 mph.
County Weather Overview
This county weather page brings together forecast coverage for Northumberland County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 5 of 5 mapped cities in Northumberland County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- May 30 to Jun 6, 2026
- Latest sync
- May 30, 2026 8:12 PM EDT
- Forecast office
- CTP
- Source
- NOAA / NWS
Daily Outlook
This Week in Northumberland County
Friday looks like the warmest upcoming period in Northumberland County at 87 degrees F.
Tonight is the coolest period ahead with temperatures near 41 degrees F.
The strongest winds are forecast for Tonight at about 0 to 12 mph N.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- May 30, 2026 8:12 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
Sunny, with a high near 75. Northwest wind 0 to 6 mph.
Partly cloudy, with a low around 51. West wind 0 to 5 mph.
Sunny, with a high near 75. North wind 0 to 7 mph.
Mostly clear, with a low around 50. Northeast wind 0 to 6 mph.
A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 74. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 50.
Sunny, with a high near 76.
Mostly clear, with a low around 52.
Sunny, with a high near 82.
Mostly clear, with a low around 58.
Mostly sunny, with a high near 87.
Partly cloudy, with a low around 63.
A slight chance of rain showers between 8am and 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 86.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tonight
May 30
|
Clear
|
41°F |
0 to 12 mph
N
|
|
Sunday
May 31
|
Sunny
|
75°F |
0 to 6 mph
NW
|
|
Sunday Night
May 31
|
Partly Cloudy
|
51°F |
0 to 5 mph
W
|
|
Monday
Jun 1
|
Sunny
|
75°F |
0 to 7 mph
N
|
|
Monday Night
Jun 1
|
Mostly Clear
|
50°F |
0 to 6 mph
NE
|
|
Tuesday
Jun 2
|
Sunny then Slight Chance Showers And Thunderstorms
|
74°F |
0 to 7 mph
N
|
|
Tuesday Night
Jun 2
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
50°F |
1 to 6 mph
N
|
|
Wednesday
Jun 3
|
Sunny
|
76°F |
1 to 6 mph
N
|
|
Wednesday Night
Jun 3
|
Mostly Clear
|
52°F |
0 to 5 mph
N
|
|
Thursday
Jun 4
|
Sunny
|
82°F |
0 to 5 mph
N
|
|
Thursday Night
Jun 4
|
Mostly Clear
|
58°F |
0 to 3 mph
N
|
|
Friday
Jun 5
|
Mostly Sunny
|
87°F |
0 to 6 mph
NW
|
|
Friday Night
Jun 5
|
Partly Cloudy
|
63°F |
1 to 5 mph
W
|
|
Saturday
Jun 6
|
Slight Chance Rain Showers then Chance Showers And Thunderstorms
|
86°F |
1 to 7 mph
W
|
Major City Forecasts
Live forecast snapshots for major cities across Northumberland County.
Coverage
Forecast coverage currently spans 5 of 5 mapped cities in Northumberland County.
Largest mapped city population in this region: 9,322.
