For Saturday the predicted weather in Portsmouth is rain throughout the day. The maximum temperature is a pleasant 19°C (66°F), while the minimum temperature is a mild 13°C (55°F).

Tomorrow's weather - Sunday 18 Oct

On Sunday, Portsmouth will be mostly sunny. Expect highs of a mild 15°C (59°F) and lows of around 11°C (52°F).

10-Day Weather Forecast

In the coming 10 days, the weather in Portsmouth will start at 19°C (66°F) on Saturday, then cooling down. Daytime highs during this period will average around 17°C (63°F), with nighttime lows around 13°C (55°F). Compared to typical October conditions, these temperatures are much cooler than usual. The next 10 days will feature plenty of sunshine. Precipitation levels will be less than usual (versus normal October rainfall), with mostly dry conditions. There will be rain on around 1 day (Sat).

Weather Forecast FAQ for Portsmouth

When will be the warmest day next week?

The warmest day is expected to be Saturday with a high of 19°C (66°F).

When will be the coldest day?

The coldest day is forecasted for Sunday with a low of 11°C (52°F).

Will it rain next week in Portsmouth?

Yes, rain is expected on 1 day , specifically on Sat.

How much rainfall is expected next week?

A total of 17 mm (0.7 in) of rain is forecasted for the 10-day period.

What will be the temperature range next week?

Temperatures will range from 11°C (52°F) to 19°C (66°F).

More about Portsmouth

Explore the full Portsmouth climate overview with monthly averages, or check rainfall data and temperature by month.

Portsmouth weather by month

Browse monthly averages for Portsmouth: climate by month with temperature, rainfall and sunshine.

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