Northumberland, PA Weather Forecast

Local 7-day forecast

64°
F

Sunny

Track current conditions, temperature changes, wind, and the full daily outlook for Northumberland, PA in one place.

Saturday, May 30, 2026
Wind: 14 mph N
This Afternoon

Sunny, with a high near 64. North wind around 14 mph, with gusts as high as 24 mph.

Local 7-day forecast

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
Next High
64°F
This Afternoon
Next Low
41°F
Tonight
Rain Outlook
2
Periods mentioning precipitation
Windiest
14 mph
This Afternoon

Daily Outlook

Today
May 30
Sunny
64 °F
/ 41°F
Wind 14 mph
Sun
May 31
Sunny
75 °F
/ 51°F
Wind 0 to 6 mph
Mon
Jun 1
Sunny
75 °F
/ 51°F
Wind 1 to 7 mph
Tue
Jun 2
Sunny then Slight Chance Showers And Thunderstorms
73 °F
/ 51°F
Wind 0 to 7 mph
Wed
Jun 3
Mostly Sunny
76 °F
/ 52°F
Wind 1 to 6 mph
Thu
Jun 4
Sunny
82 °F
/ 58°F
Wind 0 to 3 mph
Fri
Jun 5
Mostly Sunny
87 °F
/ 63°F
Wind 0 to 6 mph

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 source

Extended Forecast

Tonight
May 30
41°F
Clear
1 to 12 mph N

Clear, with a low around 41. North wind 1 to 12 mph, with gusts as high as 24 mph.

Sunday
May 31
75°F
Sunny
0 to 6 mph NW

Sunny, with a high near 75. Northwest wind 0 to 6 mph.

Sunday Night
May 31
51°F
Partly Cloudy
0 to 5 mph W

Partly cloudy, with a low around 51. West wind 0 to 5 mph.

Monday
Jun 1
75°F
Sunny
1 to 7 mph N

Sunny, with a high near 75. North wind 1 to 7 mph.

Monday Night
Jun 1
51°F
Mostly Clear
1 to 7 mph N

Mostly clear, with a low around 51.

Tuesday
Jun 2
73°F
Sunny then Slight Chance Showers And Thunderstorms
0 to 7 mph NE

A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 73.

Tuesday Night
Jun 2
51°F
Slight Chance Showers And Thunderstorms then Partly Cloudy
1 to 7 mph N

A slight chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 51.

Wednesday
Jun 3
76°F
Mostly Sunny
1 to 6 mph N

Mostly sunny, with a high near 76.

Wednesday Night
Jun 3
52°F
Mostly Clear
0 to 5 mph N

Mostly clear, with a low around 52.

Thursday
Jun 4
82°F
Sunny
0 to 3 mph N

Sunny, with a high near 82.

Thursday Night
Jun 4
58°F
Mostly Clear
2 mph N

Mostly clear, with a low around 58.

Friday
Jun 5
87°F
Mostly Sunny
0 to 6 mph NW

Mostly sunny, with a high near 87.

Friday Night
Jun 5
63°F
Partly Cloudy
1 to 5 mph W

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
View of Northumberland  Pennsylvania 1
View of Northumberland Pennsylvania 1 image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.