Portsmouth, United Kingdom Weather: Current Temperature & Forecast
Right now in Portsmouth, it is 35° with clear. Today's forecast reaches 45°, with a low of 33°.
United Kingdom 🇬🇧
· Local time 02:18
Updated just now
Portsmouth hourly forecast: next 24 hours
Today's high of 45°F (7°C) is about 8°F (4°C) below the typical November high of 53°F (12°C).
7:16 AM
Sunrise
4:20 PM
Sunset
Now forecast details
35° Clear
- Feels like
- 28°
- Precipitation
- 17% chance, 0 in
- Humidity
- 86%
- Wind
- N 8 mphGusts 18 mph
- Pressure
- 29.95 inHg
- Visibility
- 6 mi
Current conditions in detail
Wind
8 mph
N · gusts 18 mph
Visibility
6 mi
Precipitation
0.0 in
10% chance today
Portsmouth weather tomorrow (Saturday, November 14)
Tomorrow in Portsmouth looks partly cloudy, with a high of 50° and an overnight low of 35°. Precipitation chance is modest at 16%. Winds top out near 11 mph, and the UV index reaches 1 (low).
High / Low
50° / 35°
Precipitation
16%
Sunrise / sunset
07:18 AM / 04:19 PM
Portsmouth 14-day forecast
Today
Sunny
High 45°
Low 33°
Chance of precipitation:
10%
Sat, Nov 14
Saturday
Partly Cloudy
High 50°
Low 35°
Chance of precipitation:
16%
Sun, Nov 15
Sunday
Patchy rain nearby
High 53°
Low 45°
Chance of precipitation:
86%
Mon, Nov 16
Monday
Patchy rain nearby
High 46°
Low 39°
Chance of precipitation:
27%
Tue, Nov 17
Tuesday
Light drizzle
High 44°
Low 40°
Chance of precipitation:
91%
Wed, Nov 18
Wednesday
Partly Cloudy
High 42°
Low 36°
Chance of precipitation:
43%
Thu, Nov 19
Thursday
Partly Cloudy
High 42°
Low 34°
Chance of precipitation:
64%
Fri, Nov 20
Friday
Patchy rain nearby
High 48°
Low 38°
Chance of precipitation:
77%
Sat, Nov 21
Saturday
Patchy rain nearby
High 52°
Low 43°
Chance of precipitation:
58%
Sun, Nov 22
Sunday
Patchy rain nearby
High 52°
Low 49°
Chance of precipitation:
89%
Mon, Nov 23
Monday
Patchy light drizzle
High 48°
Low 41°
Chance of precipitation:
86%
Tue, Nov 24
Tuesday
Patchy light rain
High 42°
Low 38°
Chance of precipitation:
90%
Wed, Nov 25
Wednesday
Mist
High 41°
Low 35°
Chance of precipitation:
27%
Thu, Nov 26
Thursday
Overcast
High 44°
Low 37°
Chance of precipitation:
87%
How Portsmouth's weather changes through the year
July is normally warmest and January coldest. The city averages 141 wet days a year, 8.1 hours of daily sunshine and 80% relative humidity.
Portsmouth weather in numbers
- Typical day and night: Portsmouth averages 58°F (14°C) by day and 48°F (9°C) at night across the year.
- Seasonal change: July highs reach 70°F (21°C), while January lows fall to 38°F (3°C).
- Rain and sunshine: About 849 mm (33.4 inches) falls across 141 wet days, with 8.1 hours of sunshine on an average day.
Explore Portsmouth month by month, including seasons and the best time to visit
Common questions
Is Portsmouth humid?
Relative humidity averages 80% across the year, which reads as very humid. The most comfortable stretch falls in the drier half of the year.
When is Portsmouth at its coldest?
January, with highs of 47°F (8°C) and lows near 38°F (3°C). The coldest day in the 2015-2024 record fell to 24°F (-4°C).
What is the best time to visit Portsmouth?
May to September is the sweet spot for Portsmouth - warm days, manageable rainfall and plenty of daylight line up. Expect 67°F (19°C) in the afternoon and around 11 days of rain in a typical month of it. For the same question asked the other way round, see where else is warm in May.
Which month is wettest in Portsmouth?
October, at 3.9 inches (98 mm) over about 14 days. April is the driest month, at 1.7 inches (43 mm).
When is Portsmouth at its hottest?
July, averaging 70°F (21°C) by day and 58°F (15°C) overnight. The hottest single day in our 2015-2024 record for this location reached 87°F (30°C).
How much sun does Portsmouth get?
8.1 hours a day averaged over the year, peaking in June at 12.1 hours.
Does it snow in Portsmouth?
Yes - about 1 days a year carry measurable snowfall.