Portsmouth Weather Forecast

Weather Forecast Today - Portsmouth - Thursday 19th May 2022

It will be partly cloudy in Portsmouth today. The temperature is expected to peak at around 19° C (but it will feel like 17° C due to the wind chill factor).

The odds on it pouring down today are on the low side (roughly an 29% chance). Humidity will be approximately 54%.

The UV Index today is 7 (high). You should seek shade at midday, cover up and wear sunscreen.

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). Wind speed (noon) is estimated at 7 mph (light breeze). It will be blowing south west.

Weather Forecast Tonight - Portsmouth - Thursday 19th May 2022

It will be cloudy in Portsmouth tonight. The minimum temperature is going to be 13° C (but it is going to feel like 13° C).

There is only a small chance of rain tonight (6 percent to be precise). Humidity will be around 79 %.

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

Weather Forecast Tomorrow - Portsmouth - Friday 20th May 2022

Light rain showers are forecast for Portsmouth tomorrow. Peak daytime temperature should be approximately 16° C (it will feel like 13° C).

Odds on it will chuck it down tomorrow (around a 85% chance). The humidity level tomorrow will be roughly 71%.

The UV Index tomorrow is 6 (high). You should seek shade at midday, cover up and wear sunscreen.

The visibility level tomorrow is expected to be very good. From a good vantage point you should be able to see for 20 to 40 km (12.4 to 24.9 miles). The wind speed at midday should be approximately 11 mph (gentle breeze), blowing west south west.

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
Thursday 19th May - Day Partly Cloudy 19 - 29 7 7
Thursday 19th May - Night Cloudy - 13 6 4 -
Friday 20th May - Day Light Rain 16 - 85 11 6
Friday 20th May - Night Clear Night - 12 2 11 -
Saturday 21st May - Day Cloudy 15 - 5 13 6
Saturday 21st May - Night Clear Night - 12 2 7 -
Sunday 22nd May - Day Cloudy 16 - 8 9 6
Sunday 22nd May - Night Cloudy - 12 8 7 -
Monday 23rd May - Day Cloudy 16 - 10 11 6
Monday 23rd May - Night Cloudy - 12 14 13 -

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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