Home
Weather Dublin
WeatherRadar
RainfallRadar
TemperatureRadar
WindRadar
LightningRadar
Weather News
Editor's Pick
Discover the app
Weather widget
Contact us
Apps
Home / Weather News /

It's a blue moon too: A supermoon rises tonight!

15:00
30 August 2023

It's a blue moon too
A supermoon rises tonight!

super, luna blu, astronomia

The year's third supermoon is set to loom large above us, and tonight's rise is extra-special because it is also a blue moon!

Sadly, the moon will not actually turn blue, instead the term refers to the second full moon to occur within the same month.

Our lunar companion's rise will peak at 02:35 am in the early hours of Thursday morning but the display will be on show throughout the cycle.

The occurrence of a blue moon itself is a rare phenomenon, occurring once every three years on average. The last blue moon we saw in the UK and Ireland rose on Halloween 2020.

According to the lunar cycle, a full moon occurs once every 29.5 days. Therefore, as all months (other than February) are longer than 29 days, it is possible that a second full moon would occur in a single month and is consequently called a blue moon.

A supermoon is much more common, this is the third of four this year, with the next set to rise in September.

A supermoon occurs when the full moon coincides with the perigee, this is the closest point to Earth in the Moon’s orbit.

As the Moon’s orbit is elliptical, the distance between it and us is always changing. Compared to a full moon at its apogee, its furthest point away, a supermoon is typically 30% brighter and 13% larger.

Most full moons are named, with these names coming from Native American tributes, although this is not the case with blue moons.

If you capture the super, blue moon tonight, we would love to see! Submit images by tapping the image icon in the app or use our dedicated uploader.

Ryan Hathaway
More on the topic
Industrial plant with cooling towers next to a weather map showing extreme heat in the Middle East, with temperatures exceeding 50 degrees in some places.
Friday 16 January 2026

Climate report

2025: Third-warmest year on record
Two weather maps showing temperature extremes: −54 degrees in northern Asia and 45 degrees in Australia. Coloured areas indicate extreme cold and heat.
Wednesday 14 January 2026

Difference of 100 degrees

Extreme contrasts in global temperatures
Wooden walkway at night under red and green auroras. Starry sky above an open landscape.
Tuesday 20 January 2026

Solar storm hits Earth

Spectacular Northern Lights display
All weather news
This might also interest you
Split weather map showing the UK and Ireland. The left side illustrates strong winds circulating around a low-pressure system, with gusts of 20–30 mph highlighted in orange and yellow. The right side shows radar imagery with widespread blue rain bands and patches of thunderstorms, especially over northern England and Scotland.
Thursday 28 August 2025

Breakfast brief

Remaining widely unsettled
plit image showing a double rainbow over a rocky shoreline on the left and sheep grazing in a green field under stormy clouds on the right.
Sunday 2 November 2025

Your weather - Your shots

Mixed conditions on an unsettled week
Weather graphic showing rain and wind fields over the Canary Islands and a central warning symbol.
Friday 12 December 2025

Storm and rain

Turbulent weather in the Canary Islands
All articles
Weather & Radar
IE
Clima & Radar Brasil
Hava durumu & Radar Türkiye
Időjárás és Radar Magyarország
Καιρός & Ραντάρ Ελλάδα
Météo & Radar Belgique (Français)
Météo & Radar France
Meteo & Radar Italia
Meteo & Radar România
Météo & Radar Suisse (Français)
Meteo & Radars Latvija
OrasOnline Lietuva
Počasí & Radar Czechia
Počasie & Radar Slovensko
Pogoda & Radar Polska
Погода & Радар Україна (українська)
Tempo & Radar Portugal
Tiempo & Radar Argentina
Tiempo & Radar España
Vejr & Radar Danmark
Vreme & Radar Slovenija
Vreme & Radar Srbija
Vrijeme & Radar Bosna
Vrijeme & Radar Crna Gora
Vrijeme & Radar Hrvatska
Време & Радар България
Времето & Радар Macedonia
Weather & Radar India (English)
Weather & Radar United Kingdom
Weather & Radar USA (English)
Weather & Radar USA (Español)
Weer & Radar België (Nederlands)
Weer & Radar Nederland

Weather & Radar is also available on

Google Play StoreApp Store

Company

Contact us Privacy Policy Legal info Accessibility statement

Services

Uploader

Socials

facebooktwitteryouTubelinkList