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Portsmouth, NH

43°F
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Portsmouth

New Hampshire

43°
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Portsmouth, NH Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Chevron right

6 AM

43°
RealFeel® 40°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Fog

RealFeel Shade™40°

WindWNW 6 mph

Air QualityFair

Max UV Index0.4 (Low)

Wind Gusts7 mph

Humidity93%

Indoor Humidity37% (Ideal Humidity)

Dew Point41° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover27%

Visibility0.50 mi

Cloud Ceiling33000 ft

7 AM

47°
RealFeel® 46°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Fog

RealFeel Shade™43°

WindWNW 7 mph

Air QualityFair

Max UV Index1.2 (Low)

Wind Gusts7 mph

Humidity77%

Indoor Humidity36% (Slightly Dry)

Dew Point40° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover30%

Visibility0.50 mi

Cloud Ceiling30000 ft

8 AM

50°
RealFeel® 49°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Fog

RealFeel Shade™45°

WindW 7 mph

Air QualityFair

Max UV Index2.1 (Low)

Wind Gusts8 mph

Humidity75%

Indoor Humidity39% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility0.50 mi

Cloud Ceiling30000 ft

9 AM

55°
RealFeel® 57°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Fog

RealFeel Shade™51°

WindW 7 mph

Air QualityFair

Max UV Index3.3 (Moderate)

Wind Gusts8 mph

Humidity64%

Indoor Humidity40% (Ideal Humidity)

Dew Point43° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility0.50 mi

Cloud Ceiling30000 ft

10 AM

59°
RealFeel® 63°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Fog

RealFeel Shade™56°

WindW 7 mph

Air QualityFair

Max UV Index4.7 (Moderate)

Wind Gusts8 mph

Humidity58%

Indoor Humidity42% (Ideal Humidity)

Dew Point44° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility0.50 mi

Cloud Ceiling30000 ft

11 AM

62°
RealFeel® 69°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Fog

RealFeel Shade™59°

WindW 7 mph

Air QualityExcellent

Max UV Index6.8 (High)

Wind Gusts8 mph

Humidity54%

Indoor Humidity44% (Ideal Humidity)

Dew Point45° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility1.00 mi

Cloud Ceiling30000 ft

12 PM

64°
RealFeel® 72°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Fog

RealFeel Shade™61°

WindW 7 mph

Air QualityExcellent

Max UV Index8.9 (Very High)

Wind Gusts9 mph

Humidity53%

Indoor Humidity45% (Ideal Humidity)

Dew Point46° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility2 mi

Cloud Ceiling30000 ft

1 PM

65°
RealFeel® 74°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 1%
Chevron down
Fog

RealFeel Shade™62°

WindW 8 mph

Air QualityExcellent

Max UV Index9.7 (Very High)

Wind Gusts9 mph

Humidity51%

Indoor Humidity47% (Ideal Humidity)

Dew Point47° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility4 mi

Cloud Ceiling30000 ft

2 PM

64°
RealFeel® 66°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 19%
Chevron down
Cloudy

RealFeel Shade™62°

WindWNW 8 mph

Air QualityExcellent

Max UV Index2.8 (Moderate)

Wind Gusts9 mph

Humidity55%

Indoor Humidity48% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Visibility5 mi

Cloud Ceiling6300 ft

3 PM

63°
RealFeel® 65°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 19%
Chevron down
Cloudy

RealFeel Shade™61°

WindWNW 7 mph

Air QualityExcellent

Max UV Index2.2 (Low)

Wind Gusts9 mph

Humidity59%

Indoor Humidity50% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling6300 ft

4 PM

62°
RealFeel® 62°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 24%
Chevron down
Cloudy

RealFeel Shade™60°

WindS 7 mph

Air QualityExcellent

Max UV Index1.5 (Low)

Wind Gusts8 mph

Humidity65%

Indoor Humidity52% (Ideal Humidity)

Dew Point50° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling6300 ft

5 PM

60°
RealFeel® 56°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 65%
Chevron down
Showers

RealFeel Shade™56°

WindSSE 7 mph

Air QualityExcellent

Max UV Index0.8 (Low)

Wind Gusts8 mph

Humidity72%

Indoor Humidity54% (Ideal Humidity)

Dew Point51° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Rain0.05 in

Visibility5 mi

Cloud Ceiling4000 ft

6 PM

59°
RealFeel® 54°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 70%
Chevron down
Showers

RealFeel Shade™54°

WindS 7 mph

Air QualityExcellent

Max UV Index0.5 (Low)

Wind Gusts8 mph

Humidity75%

Indoor Humidity55% (Ideal Humidity)

Dew Point51° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Rain0.10 in

Visibility4 mi

Cloud Ceiling2000 ft

7 PM

57°
RealFeel® 55°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

RealFeel Shade™55°

WindSW 7 mph

Air QualityExcellent

Max UV Index0.4 (Low)

Wind Gusts9 mph

Humidity80%

Indoor Humidity55% (Ideal Humidity)

Dew Point51° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover93%

Visibility5 mi

Cloud Ceiling6800 ft

8 PM

57°
RealFeel® 55°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 34%
Chevron down
Cloudy

RealFeel Shade™55°

WindWSW 7 mph

Air QualityExcellent

Max UV Index0.1 (Low)

Wind Gusts8 mph

Humidity82%

Indoor Humidity55% (Ideal Humidity)

Dew Point51° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling7100 ft

9 PM

54°
RealFeel® 52°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 34%
Chevron down
Mostly cloudy

WindW 7 mph

Air QualityExcellent

Wind Gusts8 mph

Humidity89%

Indoor Humidity54% (Ideal Humidity)

Dew Point51° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover88%

Visibility10 mi

Cloud Ceiling9600 ft

10 PM

52°
RealFeel® 50°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 40%
Chevron down
Mostly cloudy

WindWNW 6 mph

Air QualityExcellent

Wind Gusts7 mph

Humidity93%

Indoor Humidity53% (Ideal Humidity)

Dew Point50° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover88%

Visibility10 mi

Cloud Ceiling12100 ft

11 PM

51°
RealFeel® 47°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 51%
Chevron down
Showers

WindWNW 6 mph

Air QualityExcellent

Wind Gusts7 mph

Humidity95%

Indoor Humidity52% (Ideal Humidity)

Dew Point50° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover90%

Rain0.04 in

Visibility6 mi

Cloud Ceiling4000 ft

Hourly Weather Forecast for Portsmouth

AccuWeather's hourly forecast for Portsmouth provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 43° with a RealFeel® of 40°, fog with a 0% 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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