Northumberland, NH Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Northumberland, NH in one place.
Mostly sunny, with a high near 37. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Local Weather Overview
This forecast page for Northumberland, NH 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 30, 2026 1:15 AM EDT.
The active forecast window currently covers Oct 31 to Nov 5, 2026 for Northumberland, NH.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 31 to Nov 5, 2026
- Latest sync
- Oct 30, 2026 1:15 AM EDT
- Forecast office
- GYX
- Source
- NOAA / NWS
Daily Outlook
This Week in Northumberland
Thursday looks like the warmest upcoming period in Northumberland at 52 degrees F.
Saturday Night is the coolest period ahead with temperatures near 30 degrees F.
The strongest winds are forecast for Saturday at about 10 to 15 mph NW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 30, 2026 1:15 AM EDT
- Coverage
- 6 days
- Time zone
- America/New_York
- Forecast office
- GYX
- Radar station
- KCXX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 30. West wind 5 to 10 mph.
Sunny, with a high near 45.
Mostly clear, with a low around 36.
Mostly sunny, with a high near 50.
Mostly cloudy, with a low around 41.
A slight chance of rain showers after 5pm. Partly sunny, with a high near 50.
A chance of rain showers. Mostly cloudy, with a low around 41. Chance of precipitation is 30%.
A chance of rain showers before noon. Mostly cloudy, with a high near 48. Chance of precipitation is 30%.
A slight chance of rain showers after 1am. Mostly cloudy, with a low around 42.
A chance of rain showers. Partly sunny, with a high near 52.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Oct 31
|
Mostly Sunny
|
37°F |
10 to 15 mph
NW
|
|
Saturday Night
Oct 31
|
Mostly Clear
|
30°F |
5 to 10 mph
W
|
|
Sunday
Nov 1
|
Sunny
|
45°F |
5 to 10 mph
W
|
|
Sunday Night
Nov 1
|
Mostly Clear
|
36°F |
10 mph
SW
|
|
Monday
Nov 2
|
Mostly Sunny
|
50°F |
5 to 10 mph
W
|
|
Monday Night
Nov 2
|
Mostly Cloudy
|
41°F |
5 to 10 mph
W
|
|
Tuesday
Nov 3
|
Partly Sunny then Slight Chance Rain Showers
|
50°F |
0 to 5 mph
W
|
|
Tuesday Night
Nov 3
|
Chance Rain Showers
|
41°F |
10 mph
SE
|
|
Wednesday
Nov 4
|
Chance Rain Showers then Mostly Cloudy
|
48°F |
5 to 10 mph
S
|
|
Wednesday Night
Nov 4
|
Mostly Cloudy then Slight Chance Rain Showers
|
42°F |
10 mph
SE
|
|
Thursday
Nov 5
|
Chance Rain Showers
|
52°F |
10 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Northumberland.
