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.