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Londonderry, NH

84°F
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Londonderry

New Hampshire

84°
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Londonderry, NH Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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12 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 5%
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°

WindW 10 mph

Air QualityFair

Max UV Index8.2 (Very High)

Wind Gusts17 mph

Humidity58%

Indoor Humidity58% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover53%

Visibility10 mi

Cloud Ceiling20000 ft

1 PM

88°
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 8%
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™87°

Heat Index91°

WindW 12 mph

Air QualityFair

Max UV Index10.1 (Very High)

Wind Gusts18 mph

Humidity51%

Indoor Humidity51% (Very Humid)

Dew Point67° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

89°
RealFeel® 105°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. 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 43%
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™97°

Heat Index104°

WindW 12 mph

Air QualityFair

Max UV Index9.1 (Very High)

Wind Gusts20 mph

Humidity72%

Indoor Humidity72% (Dangerously Humid)

Dew Point79° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

86°
RealFeel® 94°
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
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™88°

Heat Index91°

WindW 12 mph

Air QualityFair

Max UV Index7.1 (High)

Wind Gusts21 mph

Humidity62%

Indoor Humidity62% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

83°
RealFeel® 92°
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
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™87°

Heat Index92°

WindWNW 10 mph

Air QualityFair

Max UV Index4.5 (Moderate)

Wind Gusts22 mph

Humidity79%

Indoor Humidity79% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Rain0.15 in

Visibility4 mi

Cloud Ceiling30000 ft

5 PM

81°
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 26%
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 Index85°

WindNW 9 mph

Air QualityFair

Max UV Index3.4 (Moderate)

Wind Gusts22 mph

Humidity75%

Indoor Humidity75% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

82°
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 21%
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™86°

Heat Index86°

WindWNW 9 mph

Air QualityFair

Max UV Index2.2 (Low)

Wind Gusts17 mph

Humidity74%

Indoor Humidity74% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

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 25%
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™86°

Heat Index85°

WindW 8 mph

Air QualityFair

Max UV Index1.3 (Low)

Wind Gusts13 mph

Humidity83%

Indoor Humidity83% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover45%

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 34%
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™80°

WindWNW 8 mph

Air QualityFair

Max UV Index0.4 (Low)

Wind Gusts9 mph

Humidity78%

Indoor Humidity78% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover45%

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 34%
Chevron down
Partly cloudy
alerts

Air Quality Alert

12:45 AM Thursday - 12:00 AM Monday

WindWNW 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity88%

Indoor Humidity88% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

73°
RealFeel® 75°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 40%
Chevron down
Partly cloudy
alerts

Air Quality Alert

12:45 AM Thursday - 12:00 AM Monday

WindWNW 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity84%

Indoor Humidity84% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

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

Air Quality Alert

12:45 AM Thursday - 12:00 AM Monday

WindNW 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity74%

Indoor Humidity74% (Humid)

Dew Point66° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Rain0.04 in

Visibility6 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 86° with a RealFeel® of 95°, intermittent clouds with a 5% 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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