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Next week to bring another uptick in temps, humidity in the Northeast. Get the forecast. Chevron right

Merrimac, NH

72°F
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Merrimac

New Hampshire

72°
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Merrimac, NH Weather
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Chevron right

12 AM

71°
RealFeel® 68°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 46%
Chevron down
Thunderstorms

WindWSW 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity74%

Indoor Humidity74% (Slightly Humid)

Dew Point62° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling19800 ft

1 AM

68°
RealFeel® 66°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 46%
Chevron down
Mostly cloudy

WindWSW 8 mph

Air QualityFair

Wind Gusts8 mph

Humidity77%

Indoor Humidity77% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

2 AM

66°
RealFeel® 64°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 20%
Chevron down
Mostly clear

WindWSW 8 mph

Air QualityFair

Wind Gusts8 mph

Humidity79%

Indoor Humidity75% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

3 AM

67°
RealFeel® 64°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 20%
Chevron down
Mostly clear

WindWSW 8 mph

Air QualityFair

Wind Gusts8 mph

Humidity80%

Indoor Humidity77% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

4 AM

66°
RealFeel® 63°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 20%
Chevron down
Mostly clear

WindWSW 8 mph

Air QualityFair

Wind Gusts8 mph

Humidity81%

Indoor Humidity75% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

5 AM

65°
RealFeel® 63°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 20%
Chevron down
Mostly clear

WindWSW 8 mph

Air QualityFair

Wind Gusts8 mph

Humidity83%

Indoor Humidity74% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

6 AM

66°
RealFeel® 64°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 20%
Chevron down
Partly sunny

RealFeel Shade™64°

WindW 9 mph

Air QualityFair

Max UV Index0.4 (Low)

Wind Gusts9 mph

Humidity80%

Indoor Humidity74% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover33%

Visibility10 mi

Cloud Ceiling30000 ft

7 AM

67°
RealFeel® 66°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 19%
Chevron down
Partly sunny

RealFeel Shade™64°

WindW 10 mph

Air QualityFair

Max UV Index1.3 (Low)

Wind Gusts10 mph

Humidity76%

Indoor Humidity74% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover39%

Visibility10 mi

Cloud Ceiling30000 ft

8 AM

70°
RealFeel® 70°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 21%
Chevron down
Partly sunny

RealFeel Shade™67°

WindW 12 mph

Air QualityFair

Max UV Index2.2 (Low)

Wind Gusts12 mph

Humidity70%

Indoor Humidity70% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

9 AM

73°
RealFeel® 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 21%
Chevron down
Intermittent clouds

RealFeel Shade™70°

WindW 12 mph

Air QualityFair

Max UV Index3.4 (Moderate)

Wind Gusts13 mph

Humidity63%

Indoor Humidity63% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover52%

Visibility10 mi

Cloud Ceiling24900 ft

10 AM

76°
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 26%
Chevron down
Intermittent clouds

RealFeel Shade™72°

WindW 13 mph

Air QualityFair

Max UV Index3.9 (Moderate)

Wind Gusts15 mph

Humidity56%

Indoor Humidity56% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover60%

Visibility10 mi

Cloud Ceiling19800 ft

11 AM

75°
RealFeel® 72°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 51%
Chevron down
Mostly cloudy w/ t-storms

RealFeel Shade™69°

WindW 14 mph

Air QualityFair

Max UV Index2.8 (Moderate)

Wind Gusts17 mph

Humidity63%

Indoor Humidity63% (Slightly Humid)

Dew Point62° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover65%

Rain0.08 in

Visibility5 mi

Cloud Ceiling4000 ft

12 PM

78°
RealFeel® 78°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 47%
Chevron down
Intermittent clouds

RealFeel Shade™74°

WindW 15 mph

Air QualityFair

Max UV Index4.2 (Moderate)

Wind Gusts20 mph

Humidity56%

Indoor Humidity56% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling4000 ft

1 PM

80°
RealFeel® 82°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 44%
Chevron down
Intermittent clouds

RealFeel Shade™77°

Heat Index81°

WindWNW 15 mph

Air QualityFair

Max UV Index6.3 (High)

Wind Gusts22 mph

Humidity51%

Indoor Humidity51% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling14700 ft

2 PM

79°
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 49%
Chevron down
Intermittent clouds

RealFeel Shade™75°

WindWNW 15 mph

Air QualityFair

Max UV Index6.2 (High)

Wind Gusts25 mph

Humidity51%

Indoor Humidity51% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling14700 ft

3 PM

76°
RealFeel® 72°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 54%
Chevron down
Mostly cloudy w/ t-storms

RealFeel Shade™70°

WindWNW 15 mph

Air QualityFair

Max UV Index2.6 (Moderate)

Wind Gusts27 mph

Humidity60%

Indoor Humidity60% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover71%

Rain0.05 in

Visibility5 mi

Cloud Ceiling4000 ft

4 PM

73°
RealFeel® 72°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 49%
Chevron down
Mostly cloudy

RealFeel Shade™70°

WindWNW 14 mph

Air QualityFair

Max UV Index1.8 (Low)

Wind Gusts27 mph

Humidity66%

Indoor Humidity66% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover82%

Visibility10 mi

Cloud Ceiling4000 ft

5 PM

72°
RealFeel® 69°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

RealFeel Shade™68°

WindWNW 13 mph

Air QualityFair

Max UV Index1.1 (Low)

Wind Gusts28 mph

Humidity69%

Indoor Humidity69% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling7100 ft

6 PM

69°
RealFeel® 63°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 54%
Chevron down
Thunderstorms

RealFeel Shade™63°

WindNW 13 mph

Air QualityFair

Max UV Index0.4 (Low)

Wind Gusts25 mph

Humidity75%

Indoor Humidity75% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.05 in

Visibility5 mi

Cloud Ceiling4000 ft

7 PM

68°
RealFeel® 65°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

RealFeel Shade™65°

WindNNW 12 mph

Air QualityFair

Max UV Index0.3 (Low)

Wind Gusts23 mph

Humidity75%

Indoor Humidity74% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling4800 ft

8 PM

67°
RealFeel® 64°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny

RealFeel Shade™64°

WindNNW 10 mph

Air QualityFair

Max UV Index0.4 (Low)

Wind Gusts22 mph

Humidity73%

Indoor Humidity71% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

64°
RealFeel® 62°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Partly cloudy

WindNNW 9 mph

Air QualityFair

Wind Gusts21 mph

Humidity76%

Indoor Humidity67% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

62°
RealFeel® 59°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Partly cloudy

WindNNW 7 mph

Air QualityFair

Wind Gusts18 mph

Humidity81%

Indoor Humidity64% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover37%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

61°
RealFeel® 60°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindNNW 7 mph

Air QualityFair

Wind Gusts15 mph

Humidity77%

Indoor Humidity62% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Merrimack

AccuWeather's hourly forecast for Merrimack provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 71° with a RealFeel® of 68°, thunderstorms with a 46% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

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