10-day forecast for Brentwood, NH: 52° to 91°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
89°
Best day: Sunday, August 9
77° · 1.2 in
Worst day: Sunday, August 16
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1091° / 67°0.02
Morning75°feels 75°
Afternoon86°feels 84°
Evening75°feels 76°
Overnight70°feels 70°
91 °
Brentwood, Monday, 10 August
Light rain. High 91°, low 67°.
Pressure29.94 inHg
Wind6.3 mph S
Humidity34%
Visibility6.2 mi
Dew point56°
Tue, 1187° / 66°0
Morning76°feels 76°
Afternoon87°feels 84°
Evening70°feels 70°
Overnight70°feels 72°
87 °
Brentwood, Tuesday, 11 August
Mostly clear. High 87°, low 66°.
Pressure29.77 inHg
Wind11.2 mph NW
Humidity40%
Visibility6.2 mi
Dew point57°
Wed, 1274° / 61°0
Morning71°feels 70°
Afternoon74°feels 74°
Evening65°feels 65°
Overnight64°feels 63°
74 °
Brentwood, Wednesday, 12 August
Overcast. High 74°, low 61°.
Pressure29.80 inHg
Wind3.6 mph NW
Humidity69%
Visibility6.2 mi
Dew point59°
Thu, 1384° / 60°0
Morning69°feels 69°
Afternoon84°feels 82°
Evening76°feels 76°
Overnight60°feels 60°
84 °
Brentwood, Thursday, 13 August
Overcast. High 84°, low 60°.
Pressure29.71 inHg
Wind11.5 mph NW
Humidity40%
Visibility6.2 mi
Dew point55°
Fri, 1476° / 56°0
Morning60°feels 59°
Afternoon71°feels 70°
Evening73°feels 72°
Overnight58°feels 56°
76 °
Brentwood, Friday, 14 August
Overcast. High 76°, low 56°.
Pressure30.00 inHg
Wind12.5 mph NW
Humidity37%
Visibility—
Dew point41°
Sat, 1579° / 52°0
Morning58°feels 57°
Afternoon75°feels 74°
Evening75°feels 74°
Overnight56°feels 55°
79 °
Brentwood, Saturday, 15 August
Overcast. High 79°, low 52°.
Pressure30.18 inHg
Wind5.4 mph S
Humidity37%
Visibility—
Dew point44°
Sun, 1677° / 56°1.2
Morning62°feels 61°
Afternoon75°feels 75°
Evening68°feels 69°
Overnight69°feels 71°
77 °
Brentwood, Sunday, 16 August
Heavy rain. High 77°, low 56°.
Pressure30.00 inHg
Wind16.5 mph S
Humidity51%
Visibility—
Dew point55°
Mon, 1773° / 59°0.07
Morning62°feels 62°
Afternoon64°feels 64°
Evening71°feels 70°
Overnight60°feels 59°
73 °
Brentwood, Monday, 17 August
Light rain. High 73°, low 59°.
Pressure29.83 inHg
Wind8.8 mph NW
Humidity79%
Visibility—
Dew point56°
Tue, 1884° / 59°0
Morning64°feels 64°
Afternoon79°feels 79°
Evening78°feels 78°
Overnight64°feels 64°
84 °
Brentwood, Tuesday, 18 August
Clear. High 84°, low 59°.
Pressure30.06 inHg
Wind8.2 mph NW
Humidity43%
Visibility—
Dew point52°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Brentwood, NH around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.