Northumberland, NY Weather Forecast
Local 7-day forecast
Slight Chance Rain Showers then Mostly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Northumberland, NY in one place.
A slight chance of rain showers before 8am. Mostly cloudy, with a high near 52. Chance of precipitation is 20%.
Local Weather Overview
This forecast page for Northumberland, NY 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 20, 2026 7:40 AM EDT.
The active forecast window currently covers Apr 22 to Apr 26, 2026 for Northumberland, NY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 22 to Apr 26, 2026
- Latest sync
- Apr 20, 2026 7:40 AM EDT
- Forecast office
- ALY
- Source
- NOAA / NWS
Daily Outlook
This Week in Northumberland
Thursday looks like the warmest upcoming period in Northumberland at 60 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 36 degrees F.
The strongest winds are forecast for Thursday at about 3 to 10 mph NW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 20, 2026 7:40 AM EDT
- Coverage
- 5 days
- Time zone
- America/New_York
- Forecast office
- ALY
- Radar station
- KENX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 36.
Mostly sunny, with a high near 60.
Partly cloudy, with a low around 37.
Mostly sunny, with a high near 58.
A slight chance of rain showers after 2am. Partly cloudy, with a low around 37.
A chance of rain showers. Partly sunny, with a high near 56. Chance of precipitation is 40%.
A chance of rain showers. Mostly cloudy, with a low around 38. Chance of precipitation is 40%.
A chance of rain showers. Partly sunny, with a high near 59.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Apr 22
|
Slight Chance Rain Showers then Mostly Cloudy
|
52°F |
6 mph
S
|
|
Wednesday Night
Apr 22
|
Partly Cloudy
|
36°F |
6 mph
N
|
|
Thursday
Apr 23
|
Mostly Sunny
|
60°F |
3 to 10 mph
NW
|
|
Thursday Night
Apr 23
|
Partly Cloudy
|
37°F |
3 to 9 mph
NW
|
|
Friday
Apr 24
|
Mostly Sunny
|
58°F |
6 mph
N
|
|
Friday Night
Apr 24
|
Partly Cloudy then Slight Chance Rain Showers
|
37°F |
6 mph
NE
|
|
Saturday
Apr 25
|
Chance Rain Showers
|
56°F |
7 mph
E
|
|
Saturday Night
Apr 25
|
Chance Rain Showers
|
38°F |
7 mph
SE
|
|
Sunday
Apr 26
|
Chance Rain Showers
|
59°F |
7 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Northumberland.