Belknap County, NH Weather Forecast
County weather hub
Sunny
Compare major city weather across Belknap County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Sunny, with a high near 51.
County Weather Overview
This county weather page brings together forecast coverage for Belknap County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 3 of 3 mapped cities in Belknap County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Oct 18 to Oct 22, 2026
- Latest sync
- Oct 16, 2026 6:25 AM EDT
- Forecast office
- GYX
- Source
- NOAA / NWS
Daily Outlook
This Week in Belknap County
Tuesday looks like the warmest upcoming period in Belknap County at 59 degrees F.
Sunday Night is the coolest period ahead with temperatures near 34 degrees F.
The strongest winds are forecast for Sunday at about 5 mph SW.
The forecast from Oct 18 through Oct 22 stays mostly dry.
Forecast Details
- Last updated
- Oct 16, 2026 6:25 AM EDT
- Coverage
- 5 days
- Time zone
- America/New_York
- Forecast office
- GYX
- Radar station
- KGYX
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 34.
Sunny, with a high near 55.
Partly cloudy, with a low around 38.
Mostly sunny, with a high near 59.
Mostly clear, with a low around 40.
Sunny, with a high near 56.
Mostly clear, with a low around 37.
Mostly sunny, with a high near 52.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Oct 18
|
Sunny
|
51°F |
5 mph
SW
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
34°F |
0 to 5 mph
S
|
|
Monday
Oct 19
|
Sunny
|
55°F |
5 mph
S
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
38°F |
0 to 5 mph
N
|
|
Tuesday
Oct 20
|
Mostly Sunny
|
59°F |
0 to 5 mph
N
|
|
Tuesday Night
Oct 20
|
Mostly Clear
|
40°F |
0 to 5 mph
N
|
|
Wednesday
Oct 21
|
Sunny
|
56°F |
5 mph
NE
|
|
Wednesday Night
Oct 21
|
Mostly Clear
|
37°F |
0 to 5 mph
NE
|
|
Thursday
Oct 22
|
Mostly Sunny
|
52°F |
5 mph
E
|
Major City Forecasts
Live forecast snapshots for major cities across Belknap County.
Coverage
Forecast coverage currently spans 3 of 3 mapped cities in Belknap County.
Largest mapped city population in this region: 16,646.