Brentwood, NH Weather Forecast
Local 7-day forecast
Partly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Brentwood, NH in one place.
Partly cloudy, with a low around 77. West wind 5 to 10 mph.
Local Weather Overview
This forecast page for Brentwood, 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: Jul 14, 2026 8:07 PM EDT.
The active forecast window currently covers Jul 14 to Jul 21, 2026 for Brentwood, NH.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 14 to Jul 21, 2026
- Latest sync
- Jul 14, 2026 8:07 PM EDT
- Forecast office
- GYX
- Source
- NOAA / NWS
Daily Outlook
This Week in Brentwood
Wednesday looks like the warmest upcoming period in Brentwood at 91 degrees F.
Friday Night is the coolest period ahead with temperatures near 60 degrees F.
The strongest winds are forecast for Tonight at about 5 to 10 mph W.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 14, 2026 8:07 PM EDT
- Coverage
- 8 days
- Time zone
- America/New_York
- Forecast office
- GYX
- Radar station
- KBOX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 91. West wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Mostly clear, with a low around 65. Northwest wind 5 to 10 mph.
Sunny, with a high near 90. West wind 5 to 10 mph, with gusts as high as 25 mph.
Partly cloudy, with a low around 62. Northwest wind 5 to 10 mph.
Sunny, with a high near 85.
Mostly clear, with a low around 60.
A chance of rain showers between 8am and 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 80. Chance of precipitation is 40%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
A chance of rain showers. Partly sunny, with a high near 83. Chance of precipitation is 50%.
A chance of rain showers before 9pm. Partly cloudy, with a low around 63. Chance of precipitation is 30%.
Mostly sunny, with a high near 86.
A slight chance of showers and thunderstorms after 8pm. Partly cloudy, with a low around 65.
A chance of showers and thunderstorms. Partly sunny, with a high near 86.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tonight
Jul 14
|
Partly Cloudy
|
77°F |
5 to 10 mph
W
|
|
Wednesday
Jul 15
|
Slight Chance Showers And Thunderstorms then Mostly Sunny
|
91°F |
5 to 10 mph
W
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
65°F |
5 to 10 mph
NW
|
|
Thursday
Jul 16
|
Sunny
|
90°F |
5 to 10 mph
W
|
|
Thursday Night
Jul 16
|
Partly Cloudy
|
62°F |
5 to 10 mph
NW
|
|
Friday
Jul 17
|
Sunny
|
85°F |
5 to 10 mph
NW
|
|
Friday Night
Jul 17
|
Mostly Clear
|
60°F |
0 to 5 mph
NW
|
|
Saturday
Jul 18
|
Chance Rain Showers
|
80°F |
0 to 5 mph
SW
|
|
Saturday Night
Jul 18
|
Showers And Thunderstorms Likely
|
63°F |
0 to 5 mph
S
|
|
Sunday
Jul 19
|
Chance Rain Showers
|
83°F |
0 to 5 mph
W
|
|
Sunday Night
Jul 19
|
Chance Rain Showers then Partly Cloudy
|
63°F |
0 to 5 mph
NW
|
|
Monday
Jul 20
|
Mostly Sunny
|
86°F |
0 to 5 mph
SW
|
|
Monday Night
Jul 20
|
Slight Chance Showers And Thunderstorms
|
65°F |
0 to 5 mph
S
|
|
Tuesday
Jul 21
|
Chance Showers And Thunderstorms
|
86°F |
5 to 10 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Brentwood.