Weather Forecast Today - Portsmouth - Monday 17th December 2018
It will be partly cloudy in Portsmouth today. The highest temperature will be around 11° C (but it will feel like 9° C due to the wind chill factor).
The odds of rain today are low (around a 5% chance). The humidity level today will be roughly 79%.
The UV Index is 1 (low). Suncream is not necessary.
The visibility today will be good. You should be able to see places as far as 10 to 20 km away (6.2 to 12.4 miles). The wind speed today (noon) will be approximately 7 mph (light breeze), blowing south west.
Weather Forecast Tonight - Portsmouth - Monday 17th December 2018
It will be cloudy in Portsmouth tonight. The minimum temperature is going to be 10° C (but it is going to feel like 6° C).
There is a good chance it will rain tonight (52 percent to be precise). Humidity will be around 88 %.
The wind speed tonight will be approximately 18 mph (fresh breeze), blowing south.
Weather Forecast Tomorrow - Portsmouth - Tuesday 18th December 2018
You would never have guessed. It is going to be pouring down in Portsmouth tomorrow. The daytime temperature is forecast to peak at around 10° C (it will feel like 6° C).
There is a high probability of rain (96%). Take a coat if you are planning on spending time outdoors. Humidity tomorrow is forecast to be around 85%.
The UV Index is expected to be 1 (low).
Visibility in Portsmouth tomorrow is expected to be moderate. You should be able to see for 4 to 10 km (2.5 to 6.2 miles). The wind speed at midday should be approximately 25 mph (strong breeze), blowing south.
5 Day Forecast For Portsmouth
A 5-day weather forecast for Portsmouth is shown in the table below.
Date
Weather Type
Day Max Temp (° C)
Night Min Temp (° C)
Chance of Rain (%)
Wind Speed (mph)
Max UV
Monday 17th December - Day
Partly Cloudy
11
-
5
7
1
Monday 17th December - Night
Cloudy
-
10
52
18
-
Tuesday 18th December - Day
Heavy Rain
10
-
96
25
1
Tuesday 18th December - Night
Heavy Rain
-
8
97
13
-
Wednesday 19th December - Day
Cloudy
10
-
22
13
1
Wednesday 19th December - Night
Cloudy
-
8
27
16
-
Thursday 20th December - Day
Cloudy
10
-
11
18
1
Thursday 20th December - Night
Partly Cloudy
-
8
52
13
-
Friday 21st December - Day
Cloudy
12
-
52
16
1
Friday 21st December - Night
Cloudy
-
9
30
18
-
Forecast - Location Details
The weather forecast for Portsmouth is based on data provided by the Met Office for the location shown on the map below. The weather in other areas of Portsmouth may vary slightly.