Weather forecast for today
Portsmouth, NH

Weather forecast for today

Thursday, Jun 19.

AM Clouds / PM Sun
5:01 am

8:27 pm
EDT
AM Clouds / PM Sun
81°F / 68°F
  • Wind: 10mph S
  • Humidity: 84%
  • Precip. probability: 8%
  • Precipitation: 0"
  • UV index: 8
Today, the day starts cloudy, but conditions will brighten up as the afternoon unfolds.
Temperatures are predicted to peak at a temperate 80.6°F and drop to a minimum of a pleasant 68°F.
The maximum heat index, which adjusts the air temperature based on humidity, is evaluated at a blazing 86°F. Take into consideration that the heat index values are calculated for shade and light wind conditions.
The day’s maximum of 80.6°F shows a shift toward July's pattern over June's.
Sunrise will be at 5:01 am and sunset at 8:27 pm; the daylight will last for 15h and 26min.

Current condition

Fog
4:38 am EDT
Fog
  • 63°F
  • Feels like: 63°F
  • Wind: 1mph SSE
  • Humidity: 100%
  • Dewpoint: 63°F
  • Pressure: 29.81"Hg
  • Precipitation: 0"
  • Visibility: 1mi
  • UV index: 0
Currently, fog is rolling in, covering streets and highways in a thick haze.
The temperature is a breezy 62.6°F. The current temperature is relatively far from the maximum of 80.6°F anticipated for today.

Frequently asked questions

What is the current temperature?
At 4:38 am EDT, the temperature is 62.6°F.
What is the weather forecast for Portsmouth for today?
On Thursday, a mostly cloudy morning is in store, but conditions will improve, leading to plenty of afternoon sunshine.
What will be the highest temperature today?
Today, the highest temperature will be 80.6°F, while the lowest temperature will be 68°F. The maximum heat index, which represents the influence of relative humidity on air temperature, is appraised at 86°F.
The maximum temperature will be significantly higher than the average highest temperature of 69.3°F in June. The lowest temperature will be also uncommonly higher than the average low of 55.4°F.
What time are sunrise and sunset today?
On Thursday, in Portsmouth, sunrise will be at 5:01 am and sunset at 8:27 pm (EDT).
How many hours of daylight will Portsmouth have today?
In Portsmouth, today, there will be 15h and 26min of daylight.

Hourly weather forecast

Sunrise: 5:01 am
6 am
  • 64°F
  • Feels like:
    64°F
Cloudy
Cloudy
  • Wind: 2mph S
  • Pressure: 29.8"Hg
  • Humidity: 99%
  • Precip. probability: 6%
  • Precipitation: 0"
  • Visibility: 0mi
8 am
  • 68°F
  • Feels like:
    68°F
Cloudy
Cloudy
  • Wind: 4mph S
  • Pressure: 29.8"Hg
  • Humidity: 96%
  • Precip. probability: 5%
  • Precipitation: 0"
  • Visibility: 1mi
10 am
  • 73°F
  • Feels like:
    73°F
Cloudy
Cloudy
  • Wind: 6mph S
  • Pressure: 29.77"Hg
  • Humidity: 87%
  • Precip. probability: 4%
  • Precipitation: 0"
  • Visibility: 6mi
12 pm
  • 77°F
  • Feels like:
    81°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 6mph SSE
  • Pressure: 29.74"Hg
  • Humidity: 77%
  • Precip. probability: 5%
  • Precipitation: 0"
  • Visibility: 9mi
2 pm
  • 81°F
  • Feels like:
    84°F
Partly Cloudy
Partly Cloudy
  • Wind: 8mph SSE
  • Pressure: 29.71"Hg
  • Humidity: 72%
  • Precip. probability: 5%
  • Precipitation: 0"
  • Visibility: 10mi
4 pm
  • 79°F
  • Feels like:
    84°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph SSE
  • Pressure: 29.65"Hg
  • Humidity: 70%
  • Precip. probability: 6%
  • Precipitation: 0"
  • Visibility: 9mi
6 pm
  • 77°F
  • Feels like:
    81°F
Partly Cloudy
Partly Cloudy
  • Wind: 10mph S
  • Pressure: 29.62"Hg
  • Humidity: 73%
  • Precip. probability: 9%
  • Precipitation: 0"
  • Visibility: 10mi
8 pm
  • 77°F
  • Feels like:
    82°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph SSW
  • Pressure: 29.59"Hg
  • Humidity: 72%
  • Precip. probability: 12%
  • Precipitation: 0"
  • Visibility: 9mi
Sunset: 8:27 pm
10 pm
  • 75°F
  • Feels like:
    77°F
Partly Cloudy
Partly Cloudy
  • Wind: 7mph SSW
  • Pressure: 29.59"Hg
  • Humidity: 79%
  • Precip. probability: 10%
  • Precipitation: 0"
  • Visibility: 7mi
Today, in Portsmouth, primarily cloudy and occasionally sunny weather is anticipated.
The temperature will vary between a minimum of 62.6°F and a maximum of 80.6°F. The warmest part of the day will be at 2 pm, 3 pm and 7 pm.
The forecasted high is more consistent with July's typical maximum of 76.3°F than the usual for June. The lowest temperature is also more similar to July's average minimum of 62.6°F than the usual minimum of 55.4°F in June.
Updated: Jun 19, 2025 @ 08:38:00 UTC
Published by: Weather U.S. | About Us
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Weather Forecasting & Climate

Portsmouth, New Hampshire, USA

  • en: Portsmouth, New Hampshire, USA
  • es: Portsmouth, Nuevo Hampshire, EE.UU.
  • hr: Portsmut, Nju Hempšir, SAD
  • sr: Portsmut, Nju Hempšir, SAD
  • zh: 朴次茅斯, 新罕布什尔, 美国
  • Latitude: 43.071755°
  • Longitude: -70.762553°
  • Elevation: 16 ft
  • Current time: 4:38am EDT
  • Sunrise: 5:01 am EDT
  • Sunset: 8:27 pm EDT
  • Timezone: America/New_York
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