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Londonderry, NH

72°F
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Londonderry

New Hampshire

72°
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Londonderry, NH Weather
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4 AM

73°
RealFeel® 74°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 18%
Chevron down
Mostly clear
alerts

Heat Advisory

8:01 PM Friday - 9:00 PM Saturday
alerts

Air Quality Alert

12:45 AM Thursday - 12:00 AM Monday

WindW 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity87%

Indoor Humidity87% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover28%

Visibility10 mi

Cloud Ceiling33000 ft

5 AM

73°
RealFeel® 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 43%
Chevron down
Mostly clear
alerts

Heat Advisory

8:01 PM Friday - 9:00 PM Saturday
alerts

Air Quality Alert

12:45 AM Thursday - 12:00 AM Monday

WindW 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity84%

Indoor Humidity84% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

6 AM

74°
RealFeel® 75°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 47%
Chevron down
Mostly sunny
alerts

Heat Advisory

8:01 PM Friday - 9:00 PM Saturday
alerts

Air Quality Alert

12:45 AM Thursday - 12:00 AM Monday

RealFeel Shade™75°

WindW 7 mph

Air QualityFair

Max UV Index0.4 (Low)

Wind Gusts8 mph

Humidity81%

Indoor Humidity81% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

7 AM

76°
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 51%
Chevron down
Partly sunny w/ t-storms
alerts

Heat Advisory

8:01 PM Friday - 9:00 PM Saturday
alerts

Air Quality Alert

12:45 AM Thursday - 12:00 AM Monday

RealFeel Shade™74°

WindWNW 8 mph

Air QualityFair

Max UV Index1.3 (Low)

Wind Gusts9 mph

Humidity77%

Indoor Humidity77% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover11%

Rain0.04 in

Visibility6 mi

Cloud Ceiling30000 ft

8 AM

78°
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 25%
Chevron down
Mostly sunny
alerts

Heat Advisory

8:01 PM Friday - 9:00 PM Saturday
alerts

Air Quality Alert

12:45 AM Thursday - 12:00 AM Monday

RealFeel Shade™79°

WindWNW 8 mph

Air QualityFair

Max UV Index2.2 (Low)

Wind Gusts10 mph

Humidity73%

Indoor Humidity73% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

9 AM

81°
RealFeel® 86°
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 20%
Chevron down
Mostly sunny
alerts

Heat Advisory

8:01 PM Friday - 9:00 PM Saturday
alerts

Air Quality Alert

12:45 AM Thursday - 12:00 AM Monday

RealFeel Shade™82°

Heat Index84°

WindWNW 9 mph

Air QualityFair

Max UV Index3.4 (Moderate)

Wind Gusts10 mph

Humidity65%

Indoor Humidity65% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover27%

Visibility10 mi

Cloud Ceiling30000 ft

10 AM

84°
RealFeel® 89°
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 20%
Chevron down
Partly sunny
alerts

Heat Advisory

8:01 PM Friday - 9:00 PM Saturday
alerts

Air Quality Alert

12:45 AM Thursday - 12:00 AM Monday

RealFeel Shade™84°

Heat Index87°

WindWNW 9 mph

Air QualityFair

Max UV Index4.8 (Moderate)

Wind Gusts15 mph

Humidity57%

Indoor Humidity57% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover48%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

87°
RealFeel® 93°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 20%
Chevron down
Intermittent clouds
alerts

Heat Advisory

8:01 PM Friday - 9:00 PM Saturday
alerts

Air Quality Alert

12:45 AM Thursday - 12:00 AM Monday

RealFeel Shade™87°

Heat Index90°

WindW 10 mph

Air QualityFair

Max UV Index6.6 (High)

Wind Gusts15 mph

Humidity52%

Indoor Humidity52% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

89°
RealFeel® 95°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 20%
Chevron down
Intermittent clouds
alerts

Heat Advisory

8:01 PM Friday - 9:00 PM Saturday
alerts

Air Quality Alert

12:45 AM Thursday - 12:00 AM Monday

RealFeel Shade™89°

Heat Index93°

WindWNW 10 mph

Air QualityFair

Max UV Index7.5 (Very High)

Wind Gusts17 mph

Humidity47%

Indoor Humidity47% (Very Humid)

Dew Point67° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover73%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

92°
RealFeel® 98°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 25%
Chevron down
Intermittent clouds
alerts

Heat Advisory

8:01 PM Friday - 9:00 PM Saturday
alerts

Air Quality Alert

12:45 AM Thursday - 12:00 AM Monday

RealFeel Shade™91°

Heat Index95°

WindWNW 12 mph

Air QualityFair

Max UV Index8.4 (Very High)

Wind Gusts21 mph

Humidity42%

Indoor Humidity42% (Humid)

Dew Point66° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover72%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

89°
RealFeel® 98°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 51%
Chevron down
Mostly cloudy w/ t-storms
alerts

Heat Advisory

8:01 PM Friday - 9:00 PM Saturday
alerts

Air Quality Alert

12:45 AM Thursday - 12:00 AM Monday

RealFeel Shade™94°

Heat Index103°

WindWNW 12 mph

Air QualityFair

Max UV Index3.4 (Moderate)

Wind Gusts24 mph

Humidity72%

Indoor Humidity72% (Dangerously Humid)

Dew Point79° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover65%

Rain0.15 in

Visibility4 mi

Cloud Ceiling2000 ft

3 PM

86°
RealFeel® 95°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 47%
Chevron down
Intermittent clouds
alerts

Heat Advisory

8:01 PM Friday - 9:00 PM Saturday
alerts

Air Quality Alert

12:45 AM Thursday - 12:00 AM Monday

RealFeel Shade™88°

Heat Index91°

WindWNW 12 mph

Air QualityFair

Max UV Index7.1 (High)

Wind Gusts25 mph

Humidity61%

Indoor Humidity61% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover52%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

83°
RealFeel® 90°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 35%
Chevron down
Partly sunny
alerts

Heat Advisory

8:01 PM Friday - 9:00 PM Saturday
alerts

Air Quality Alert

12:45 AM Thursday - 12:00 AM Monday

RealFeel Shade™85°

Heat Index88°

WindWNW 10 mph

Air QualityFair

Max UV Index4.8 (Moderate)

Wind Gusts27 mph

Humidity66%

Indoor Humidity66% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover37%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

84°
RealFeel® 91°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 19%
Chevron down
Mostly sunny
alerts

Heat Advisory

8:01 PM Friday - 9:00 PM Saturday
alerts

Air Quality Alert

12:45 AM Thursday - 12:00 AM Monday

RealFeel Shade™88°

Heat Index90°

WindNW 10 mph

Air QualityFair

Max UV Index3.4 (Moderate)

Wind Gusts27 mph

Humidity68%

Indoor Humidity68% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

83°
RealFeel® 90°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 19%
Chevron down
Mostly sunny
alerts

Heat Advisory

8:01 PM Friday - 9:00 PM Saturday
alerts

Air Quality Alert

12:45 AM Thursday - 12:00 AM Monday

RealFeel Shade™87°

Heat Index89°

WindNW 9 mph

Air QualityFair

Max UV Index2.2 (Low)

Wind Gusts23 mph

Humidity70%

Indoor Humidity70% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover16%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

80°
RealFeel® 88°
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 13%
Chevron down
Mostly sunny
alerts

Heat Advisory

8:01 PM Friday - 9:00 PM Saturday
alerts

Air Quality Alert

12:45 AM Thursday - 12:00 AM Monday

RealFeel Shade™86°

Heat Index85°

WindNW 9 mph

Air QualityFair

Max UV Index1.3 (Low)

Wind Gusts16 mph

Humidity83%

Indoor Humidity83% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

77°
RealFeel® 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 2%
Chevron down
Mostly sunny
alerts

Heat Advisory

8:01 PM Friday - 9:00 PM Saturday
alerts

Air Quality Alert

12:45 AM Thursday - 12:00 AM Monday

RealFeel Shade™80°

WindNW 8 mph

Air QualityFair

Max UV Index0.4 (Low)

Wind Gusts10 mph

Humidity78%

Indoor Humidity78% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

74°
RealFeel® 77°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 2%
Chevron down
Mostly clear
alerts

Air Quality Alert

12:45 AM Thursday - 12:00 AM Monday

WindNW 7 mph

Air QualityFair

Wind Gusts9 mph

Humidity88%

Indoor Humidity88% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

73°
RealFeel® 74°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 2%
Chevron down
Mostly clear
alerts

Air Quality Alert

12:45 AM Thursday - 12:00 AM Monday

WindNNW 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity84%

Indoor Humidity84% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

74°
RealFeel® 72°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 2%
Chevron down
Mostly clear
alerts

Air Quality Alert

12:45 AM Thursday - 12:00 AM Monday

WindNNW 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity71%

Indoor Humidity71% (Humid)

Dew Point64° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Londonderry

AccuWeather's hourly forecast for Londonderry provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 73° with a RealFeel® of 74°, mostly clear with a 18% 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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