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As of 11:59 EDT

Weather in Merrimack, NH

85°Current weather

Merrimack, Sunday, 9 August, 11:59

Clear. Feels like 92°. High 90°, low 69°.

Pressure29.88 inHg
Wind4 mph W
Humidity65%
Visibility6.2 mi
Dew point72°

10-day forecast for Merrimack, NH: 56° to 90°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.

90°
Best day: Monday, August 10
65° · 0.12 in
Worst day: Monday, August 17

Tap any day below to see morning, afternoon, evening and overnight.

Mon, 1090° / 68°0Mostly clear
MorningClear75°feels 75°
AfternoonMostly clear87°feels 85°
EveningOvercast74°feels 75°
OvernightClear72°feels 72°
90 °Mostly clear

Merrimack, Monday, 10 August

Mostly clear. High 90°, low 68°.

Pressure29.94 inHg
Wind5.5 mph S
Humidity39%
Visibility6.2 mi
Dew point57°
Tue, 1186° / 64°0.01Light rain
MorningOvercast71°feels 72°
AfternoonPartly cloudy84°feels 84°
EveningOvercast70°feels 69°
OvernightPartly cloudy73°feels 74°
86 °Light rain

Merrimack, Tuesday, 11 August

Light rain. High 86°, low 64°.

Pressure29.77 inHg
Wind7.5 mph NW
Humidity42%
Visibility6.2 mi
Dew point59°
Wed, 1286° / 63°0.01Light rain
MorningOvercast69°feels 69°
AfternoonMostly clear86°feels 84°
EveningOvercast72°feels 72°
OvernightPartly cloudy63°feels 62°
86 °Light rain

Merrimack, Wednesday, 12 August

Light rain. High 86°, low 63°.

Pressure29.80 inHg
Wind3.7 mph SW
Humidity36%
Visibility6.2 mi
Dew point54°
Thu, 1382° / 61°0.1Light rain
MorningOvercast66°feels 67°
AfternoonLight rain80°feels 81°
EveningLight rain75°feels 74°
OvernightOvercast61°feels 61°
82 °Light rain

Merrimack, Thursday, 13 August

Light rain. High 82°, low 61°.

Pressure29.62 inHg
Wind15.4 mph W
Humidity52%
Visibility—
Dew point59°
Fri, 1477° / 58°0Clear
MorningClear62°feels 60°
AfternoonClear71°feels 70°
EveningClear71°feels 70°
OvernightClear62°feels 61°
77 °Clear

Merrimack, Friday, 14 August

Clear. High 77°, low 58°.

Pressure29.88 inHg
Wind13.4 mph NW
Humidity43%
Visibility—
Dew point46°
Sat, 1577° / 59°0Clear
MorningClear62°feels 61°
AfternoonClear73°feels 71°
EveningClear74°feels 73°
OvernightClear59°feels 58°
77 °Clear

Merrimack, Saturday, 15 August

Clear. High 77°, low 59°.

Pressure30.06 inHg
Wind13.3 mph NW
Humidity39%
Visibility—
Dew point44°
Sun, 1681° / 56°0Overcast
MorningOvercast61°feels 60°
AfternoonOvercast76°feels 75°
EveningOvercast74°feels 73°
OvernightOvercast61°feels 60°
81 °Overcast

Merrimack, Sunday, 16 August

Overcast. High 81°, low 56°.

Pressure30.12 inHg
Wind6.1 mph N
Humidity35%
Visibility—
Dew point44°
Mon, 1765° / 60°0.12Light rain
MorningLight rain64°feels 63°
AfternoonLight rain65°feels 65°
EveningLight rain61°feels 62°
OvernightLight rain60°feels 60°
65 °Light rain

Merrimack, Monday, 17 August

Light rain. High 65°, low 60°.

Pressure30.03 inHg
Wind4.4 mph SW
Humidity76%
Visibility—
Dew point57°
Tue, 1880° / 59°0.02Light rain
MorningLight rain63°feels 63°
AfternoonLight rain72°feels 72°
EveningLight rain76°feels 77°
OvernightLight rain61°feels 61°
80 °Light rain

Merrimack, Tuesday, 18 August

Light rain. High 80°, low 59°.

Pressure29.94 inHg
Wind7.2 mph N
Humidity64%
Visibility—
Dew point56°

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 Merrimack, 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.