Lunar eclipse visibility in London threatened by rain
Stargazers face potential disappointment as Met Office forecasts heavy showers and thunderstorms.
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Londoners hoping to witness a partial lunar eclipse on Friday 28 August 2026 may be thwarted by adverse weather conditions. The Met Office has forecast a 50 percent chance of rain during the astronomical event, with warnings of heavy showers and thunderstorms developing from Wednesday onwards.
Eclipse details and visibility concerns
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The partial lunar eclipse is set to reach its maximum coverage at 5.12am. Royal Museums Greenwich has stated that approximately 93 percent of the Moon will be obscured by the Earth's shadow at this peak, making it a significant celestial event. The eclipse will be visible across North and South America, Africa, and parts of Europe. Unlike solar eclipses, lunar eclipses do not require special eyewear for viewing.
However, the outlook for the end of the week presents challenges for observers in the UK. The Met Office is predicting a shift in weather patterns, with warmer and more humid air moving northwards. This change brings an increased likelihood of substantial rainfall, with some areas potentially experiencing 20 to 30 mm of rain within a few hours. Met Office Deputy Chief Forecaster Mark Sidaway cautioned that the precise locations for the heaviest downpours remain uncertain, advising the public to monitor forecasts for updates on potentially impactful weather.
The forecast for Friday morning specifically indicates cloud cover during the eclipse's peak, accompanied by a 50 percent probability of rain. This combination could significantly hinder visibility for those attempting to view the event. For the best chance of seeing the eclipse, should breaks in the cloud appear, an elevated position with a clear view towards the southwest would be ideal.
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What happens next
Residents are advised to check the latest Met Office forecasts throughout the week for the most up-to-date information on weather conditions for Friday morning. If clear skies prevail, the eclipse may offer a view of the Moon appearing reddish due to Rayleigh scattering through the Earth's atmosphere.
Questions this report answers
+When will the partial lunar eclipse happen?
The partial lunar eclipse will reach its maximum coverage at 5.12am on Friday 28 August 2026. This astronomical event will be visible from various parts of the world, including parts of Europe.
+How much of the Moon will be covered?
At the peak of the eclipse, approximately 93 percent of the Moon is expected to be obscured by the Earth's shadow. This significant coverage makes it a notable partial lunar eclipse for observers.
+What is the weather forecast for the eclipse in London?
The Met Office forecasts a 50 percent chance of rain during the eclipse on Friday 28 August 2026. Heavy showers and thunderstorms are possible from Wednesday onwards, which could affect visibility in London.
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