Coos County, NH Weather Forecast
County weather hub
Mostly Sunny
Compare major city weather across Coos County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Mostly sunny, with a high near 92. West wind 0 to 10 mph.
County Weather Overview
This county weather page brings together forecast coverage for Coos County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 2 of 2 mapped cities in Coos County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jul 14 to Jul 18, 2026
- Latest sync
- Jul 12, 2026 1:30 PM EDT
- Forecast office
- GYX
- Source
- NOAA / NWS
Daily Outlook
This Week in Coos County
Tuesday looks like the warmest upcoming period in Coos County at 92 degrees F.
Friday Night is the coolest period ahead with temperatures near 50 degrees F.
The strongest winds are forecast for Wednesday at about 5 to 15 mph W.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 12, 2026 1:30 PM 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
A chance of showers and thunderstorms between 8pm and 10pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 66. Chance of precipitation is 70%.
A chance of rain showers before 8am. Mostly sunny, with a high near 84. Chance of precipitation is 30%.
Mostly clear, with a low around 54.
A slight chance of showers and thunderstorms after 5pm. Sunny, with a high near 76.
Partly cloudy, with a low around 51.
Mostly sunny, with a high near 73.
Partly cloudy, with a low around 50.
A slight chance of rain showers after 2pm. Mostly sunny, with a high near 76.
A chance of rain showers. Partly cloudy, with a low around 52.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jul 14
|
Mostly Sunny
|
92°F |
0 to 10 mph
W
|
|
Tuesday Night
Jul 14
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
66°F |
5 to 10 mph
W
|
|
Wednesday
Jul 15
|
Chance Rain Showers then Mostly Sunny
|
84°F |
5 to 15 mph
W
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
54°F |
0 to 10 mph
W
|
|
Thursday
Jul 16
|
Sunny then Slight Chance Showers And Thunderstorms
|
76°F |
5 to 10 mph
W
|
|
Thursday Night
Jul 16
|
Partly Cloudy
|
51°F |
0 to 10 mph
W
|
|
Friday
Jul 17
|
Mostly Sunny
|
73°F |
0 to 5 mph
W
|
|
Friday Night
Jul 17
|
Partly Cloudy
|
50°F |
0 to 5 mph
NW
|
|
Saturday
Jul 18
|
Mostly Sunny then Slight Chance Rain Showers
|
76°F |
0 mph
|
|
Saturday Night
Jul 18
|
Chance Rain Showers
|
52°F |
0 mph
|
Major City Forecasts
Live forecast snapshots for major cities across Coos County.
Coverage
Forecast coverage currently spans 2 of 2 mapped cities in Coos County.
Largest mapped city population in this region: 9,813.
