Eclipse, Supermoon & Solstice Alerts

Astronomy alerts in Forecast Bar, in short

Event types: Lunar eclipses, solar eclipses, supermoons, and solstices and equinoxes — each independently switchable.
Locality: Solar eclipse alerts are filtered to events actually visible from your location, rather than every eclipse on Earth.
Lead time: You choose how far ahead of the event the notification arrives.
Cloud check: Because it's a weather app, the hourly cloud cover forecast for the event window is right there.
Also included: Moonrise, moonset, sunrise, sunset, first and last light, and total daylight as data points.
Plan: Astronomy alerts are part of Forecast Bar Gold on iOS and Pro on Mac.

What you can be told about

Five kinds of sky event, each with its own switch.

Turn on only the ones you'd actually get out of bed for.

🌑

Lunar eclipses

Blood moons and lunar eclipse events, with the timing for your location.

☀️

Solar eclipses

Filtered to eclipses actually visible from where you are — not a global list.

🌕

Supermoons

When the full moon is at its closest, appearing larger and brighter than usual.

🌍

Solstices & equinoxes

Summer and winter solstices, spring and autumn equinoxes.

✨

Aurora visibility

Scored 0–10 for your coordinates. See aurora alerts →

🌇

Sunrise & sunset quality

Scored for colour, not just timing. See sunset forecasting →

Forecast Bar sun and moon screen showing a sun path arc with sunrise, sunset, moonrise, moonset and cloud cover tiles

The weather app advantage

An eclipse alert is only useful if the sky is clear.

Dedicated astronomy apps will tell you an eclipse is happening. They won't tell you whether you'll see it. Forecast Bar has the hourly cloud cover, the radar, and the humidity for the event window sitting in the same app as the alert.

Hourly cloud cover through the event window
Radar and satellite to see whether it's clearing
Moonrise, moonset, and moon phase alongside
First light and last light for planning around twilight

FAQ

Questions about astronomy alerts

What astronomy alerts does Forecast Bar offer?

Lunar eclipses, solar eclipses, supermoons, solstices and equinoxes, and aurora visibility — each with its own switch, so you can enable only the ones you care about.

Will I get alerted about eclipses I can't actually see?

No. Solar eclipse alerts are filtered to events visible from your location rather than every eclipse happening anywhere on Earth.

How far in advance do astronomy alerts arrive?

You choose. Each alert has a lead time setting, so you can be told days ahead for something you'd travel for, or an hour ahead for something you'd just step outside for.

Does Forecast Bar show moon phases?

Yes. Moonrise and moonset are available as data points alongside sunrise, sunset, first light, last light, solar noon and total daylight, and the moon phase is shown in the current conditions.

How much does Forecast Bar cost?

You get free 24-hour access to everything — no card, no account. After that there is an optional subscription with a 7-day trial, and current pricing is shown in the App Store. Mac and iOS plans are separate; Apple TV is included with Forecast Bar Gold on iOS. See Compare Plans for what each tier includes.

Be the one who knew about it in advance.

Try astronomy alerts free for 24 hours.

Download on theApp Store Download on theMac App Store

Free 24-hour access, then optional subscription with 7-day trial. Mac and iOS plans are separate; Apple TV is included with Forecast Bar Gold on iOS.

Keep exploring

Don't find out about the eclipse the day after.