London Heathrow Airport - Weather warnings issued

14-day forecast

Forecast - London Heathrow Airport

Partly cloudy and a gentle breezeSunny intervals and light windsSunny and a gentle breezeSunny and a gentle breezeSunny and a gentle breezeSunny and a moderate breezeThundery showers and a gentle breezeSunny and a moderate breezeSunny intervals and a moderate breezeLight rain and a moderate breezeDrizzle and a gentle breezeSunny and a moderate breezeLight rain showers and a moderate breezeLight rain and a moderate breeze

Environmental Summary

Sunrise Sunset

Sunrise04:44Sunset21:22
PollenVery HighUVLowPollutionLow

Sunrise Sunset

Sunrise04:44Sunset21:22
PollenVery HighUVHighPollutionLow

Sunrise Sunset

Sunrise04:45Sunset21:23
PollenVery HighUVHighPollutionModerate

Sunrise Sunset

Sunrise04:45Sunset21:23
PollenVery HighUVVery HighPollutionModerate

Sunrise Sunset

Sunrise04:45Sunset21:23
PollenVery HighUVVery HighPollutionModerate

Sunrise Sunset

Sunrise04:46Sunset21:23
UVVery High

Sunrise Sunset

Sunrise04:46Sunset21:23
UVVery High

Sunrise Sunset

Sunrise04:47Sunset21:23
UVHigh

Sunrise Sunset

Sunrise04:47Sunset21:23
UVHigh

Sunrise Sunset

Sunrise04:48Sunset21:23
UVHigh

Sunrise Sunset

Sunrise04:48Sunset21:22
UVHigh

Sunrise Sunset

Sunrise04:49Sunset21:22
UVHigh

Sunrise Sunset

Sunrise04:50Sunset21:22
UVModerate

Sunrise Sunset

Sunrise04:50Sunset21:21
UVModerate

Hour by hour forecast

Last updated
Last updated

Environmental Summary

Sunrise Sunset

Sunrise04:44Sunset21:22
PollenVery HighUVLowPollutionLow

Sunrise Sunset

Sunrise04:44Sunset21:22
PollenVery HighUVHighPollutionLow

Sunrise Sunset

Sunrise04:45Sunset21:23
PollenVery HighUVHighPollutionModerate

Sunrise Sunset

Sunrise04:45Sunset21:23
PollenVery HighUVVery HighPollutionModerate

Sunrise Sunset

Sunrise04:45Sunset21:23
PollenVery HighUVVery HighPollutionModerate

Sunrise Sunset

Sunrise04:46Sunset21:23
UVVery High

Sunrise Sunset

Sunrise04:46Sunset21:23
UVVery High

Sunrise Sunset

Sunrise04:47Sunset21:23
UVHigh

Sunrise Sunset

Sunrise04:47Sunset21:23
UVHigh

Sunrise Sunset

Sunrise04:48Sunset21:23
UVHigh

Sunrise Sunset

Sunrise04:48Sunset21:22
UVHigh

Sunrise Sunset

Sunrise04:49Sunset21:22
UVHigh

Sunrise Sunset

Sunrise04:50Sunset21:22
UVModerate

Sunrise Sunset

Sunrise04:50Sunset21:21
UVModerate
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Forecast for London

Latest forecast from BBC London

  • Last updated
    1 day ago
  • Updated Monday to Friday only

Latest forecast for London

Last updated 28 minutes ago

Tonight

Tonight will start partly cloudy and dry, but skies are expected to become largely clear during the early hours.

Sunday

Tomorrow will be a dry and very warm day with long spells of sunshine and just a few patches of cloud developing in the afternoon.

Outlook for Monday to Wednesday

Monday will see a mix of sunny spells and patchy cloud, along with a chance of isolated thundery showers. It will be a very warm or hot day. Tuesday is expected to become largely dry with plenty of sunshine, and it will turn a touch hotter. Wednesday looks set to remain dry with extensive sunshine, although it may become a little less warm.

Observations for London/Heathrow Airport

Observed at, 21:00 BST Saturday 20 June
Sunny Intervals
  • Humidity: 67%,
  • Visibility: Excellent,
  • Pressure: 1021 millibars, Rising,
Observation station: London/Heathrow Airport (51.483° North, 0.450° West)

Met Office warnings issued for Greater London

  • Amber warning of extreme heat

    Amber - Likely

    Starts:01:00 BST Monday 22 June
    Ends:23:59 BST Tuesday 23 June

    A developing hot spell through Monday and Tuesday will likely lead to widespread impacts on people and infrastructure. - More people are likely to visit coastal areas, lakes and rivers leading to an increased risk of water safety incidents - Adverse health effects are likely to be experienced by those vulnerable to extreme heat - The wider population are likely to experience some adverse health effects including sunburn or heat exhaustion (dehydration, nausea, fatigue) and other heat related illnesses - Some delays to road, rail and air travel are possible, with potential for welfare issues for those who experience prolonged delays - Some changes in working practices and daily routines likely to be required - An increased chance that some heat-sensitive systems and equipment may fail, leading to power cuts and the loss of other services to some homes and businesses

    Issued:10:31 BST Friday 19 June

How UK weather warnings work

Warnings are issued for rain, thunderstorms, wind, snow, lightning, ice, extreme heat and fog. These warnings are given a colour depending on a combination of both the impact of the weather may have and the likelihood of those impacts occurring.

Weather warnings key

Yellow - Possible

Potential of bad weather situations causing disruption to travel and activities

Amber - Likely

Increased potential of bad weather situations causing disruption to travel, risk to life and property

Red - Expected

Dangerous weather is expected, take action to keep yourself and others safe

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