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Portsmouth weather map

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    Forecast summary

    • Regional
    • UK 5 days
    • UK 6-30 days

    Regional forecast for London & South East England

    Occasional heavy showers this evening.

    This Evening and Tonight:

    Heavy, perhaps thundery showers moving east during the evening, clearing just after midnight to leave dry conditions and partly cloudy skies. Light winds with the odd patch of mist by dawn. Minimum Temperature 9 °C.

    Wednesday:

    Dry, warm and sunny for much of the day with light winds. Increasing cloud by dusk with rain through the first half of the night, heavy and thundery in places. Maximum Temperature 25 °C.

    Outlook for Thursday to Saturday:

    Dry and mostly sunny on Thursday. A bright start Friday, showers or more persistent, heavier rain later. Bright and breezy Saturday, with isolated showers. Fairly warm, though turning somewhat cooler.

    Updated at: 1432 on Tue 17 May 2022

    UK forecast for the next 5 days

    Fine for many Wednesday. Wet with some thunder Wednesday night.

    This Evening and Tonight:

    Wet, windy weather in parts of the north and west clearing although further showery rain into northwestern areas later. Thundery showers crossing some southeastern areas at first. Clearer skies otherwise.

    Wednesday:

    Early rain across Scotland clearing. Many parts fine, warm in the southeast. Rain developing over Northern Ireland, Wales and southern England later, thundery in the southeast. Rain then moving northeast.

    Outlook for Thursday to Saturday:

    Thursday mainly dry with warm sunny spells, some showers in the north. Rain spreading from west and south on Friday. Saturday mainly fine in the south, showers in the north.

    Updated at: 1403 on Tue 17 May 2022

    Outlook for the UK over the next 6-30 days

    UK Outlook for Sunday 22 May 2022 to Tuesday 31 May 2022:

    On Sunday and into the start of next week, southern parts of the UK likely staying mostly fine and dry with light winds. Still a chance of showers, and a low risk that some of these will be heavy at times. Further north it is likely to be cloudier and breezier, particularly around coasts, with showers that could merge into some longer spells of rain. Temperatures close to average, but perhaps below average in the northwest, though it will still feel warm in the sunshine. Towards the end of next week, rain or showers are possible, most likely in the northeast by this stage, where it will be breezy. Drier further southwest with lighter winds. Most areas becoming mainly dry through the end of May.

    Updated at: 1256 on Tue 17 May 2022

    UK Outlook for Wednesday 1 Jun 2022 to Wednesday 15 Jun 2022:

    Into June, temperatures are likely to be above average across the south but closer to average further north. Toward mid-June it may turn less settled across the north of the UK, bringing rain or showers, while the south may remain largely fine.

    Updated at: 1257 on Tue 17 May 2022

    Location Details

    Portsmouth

    Location: 50.7922, -1.0949

    Altitude: 2.0 m above mean sea level

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