Portsmouth Weather Forecast

Weather Forecast Today - Portsmouth - Saturday 24th July 2021

Go out and catch some sun. It is going to be sunny in Portsmouth today. The highest temperature will be around 21° C (but it will feel like 21° C due to the wind chill factor).

There is a slight chance of it pouring down today (roughly a 4% likelihood). The humidity level today will be roughly 80%.

The UV Index today is 5 (moderate). Sun protection is recommended. You should stay in the shade at midday.

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 4 mph (light breeze), blowing south east.

Weather Forecast Tonight - Portsmouth - Saturday 24th July 2021

It will be cloudy in Portsmouth tonight. The minimum temperature is going to be 17° C (but it is going to feel like 18° C).

There is a reasonable chance of rain tonight (41 percent to be precise). Humidity will be around 82 %.

The wind speed tonight will be approximately 4 mph (light breeze), blowing east.

Weather Forecast Tomorrow - Portsmouth - Sunday 25th July 2021

There will be thunder showers in Portsmouth tomorrow. The highest temperature in the daytime is forecast to be 21° C (it will feel like 20° C).

The probability of rain is 66%. Humidity tomorrow is forecast to be around 80%.

The UV Index is 5 (moderate). Suncream is necessary. Stay in the shade at midday when the sun is strongest

The visibility tomorrow will be good. You should be able to see places as far as 10 to 20 km away (6.2 to 12.4 miles). Wind speed at noon is forecast to be 7 mph (light breeze). It will be blowing north.

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
Saturday 24th July - Day Sunny Day 21 - 4 4 5
Saturday 24th July - Night Cloudy - 17 41 4 -
Sunday 25th July - Day Thunder 21 - 66 7 5
Sunday 25th July - Night Cloudy - 17 7 4 -
Monday 26th July - Day Partly Cloudy 22 - 9 11 6
Monday 26th July - Night Cloudy - 17 9 11 -
Tuesday 27th July - Day Light Rain 20 - 61 16 7
Tuesday 27th July - Night Clear Night - 15 11 11 -
Wednesday 28th July - Day Light Rain 19 - 38 18 7
Wednesday 28th July - Night Clear Night - 16 31 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.

Map showing location of Met Office weather station in Portsmouth
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