Northumberland, PA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Northumberland, PA in one place.
Sunny, with a high near 64. North wind around 14 mph, with gusts as high as 24 mph.
Local Weather Overview
This forecast page for Northumberland, 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: May 30, 2026 7:59 PM EDT.
The active forecast window currently covers May 30 to Jun 5, 2026 for Northumberland, PA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 30 to Jun 5, 2026
- Latest sync
- May 30, 2026 7:59 PM EDT
- Forecast office
- CTP
- Source
- NOAA / NWS
Daily Outlook
This Week in Northumberland
Friday looks like the warmest upcoming period in Northumberland at 87 degrees F.
Tonight is the coolest period ahead with temperatures near 41 degrees F.
The strongest winds are forecast for This Afternoon at about 14 mph N.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- May 30, 2026 7:59 PM 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
Clear, with a low around 41. North wind 1 to 12 mph, with gusts as high as 24 mph.
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 1 to 7 mph.
Mostly clear, with a low around 51.
A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 73.
A slight chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 51.
Mostly 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.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
May 30
|
Sunny
|
64°F |
14 mph
N
|
|
Tonight
May 30
|
Clear
|
41°F |
1 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 |
1 to 7 mph
N
|
|
Monday Night
Jun 1
|
Mostly Clear
|
51°F |
1 to 7 mph
N
|
|
Tuesday
Jun 2
|
Sunny then Slight Chance Showers And Thunderstorms
|
73°F |
0 to 7 mph
NE
|
|
Tuesday Night
Jun 2
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
51°F |
1 to 7 mph
N
|
|
Wednesday
Jun 3
|
Mostly 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 3 mph
N
|
|
Thursday Night
Jun 4
|
Mostly Clear
|
58°F |
2 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
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Northumberland.