London Heathrow Airport - Weather warnings issued

14-day forecast

Forecast - London Heathrow Airport

A clear sky and light windsSunny 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
Back to top

Forecast for London

Latest forecast from BBC London

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

Latest forecast for London

Last updated 2 minutes ago

Tonight

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

Monday

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 Tuesday to Thursday

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, 00:00 BST Sunday 21 June
Clear Sky
  • Humidity: 80%,
  • Visibility: Excellent,
  • Pressure: 1022 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

Our favourite Weather Watchers photos nearby

Report for Richmond, Greater London

23°73°
Sunny

Reported by Meg and Perry

Report for St James's, Greater London

Temperature not availableTemperature not available
Sunny

Reported by Bella

Report for Tolworth, Greater London

22°72°
Sunny intervals

Reported by surbitonsue

Report for Charing Cross, Greater London

22°72°
Sunny intervals

Reported by jon73

Settings

BBC Weather in association with MeteoGroup, external

All times are British Summer Time (Europe/London, GMT+1) unless otherwise stated.