Victoria, AustraliaMagnetic latitude 47.4°Population 16,985133 m above sea level
Can you see the southern lights in Horsham?
Only severe geomagnetic storms (Kp 7.3 or more) bring the aurora into view from Horsham — a few nights per solar cycle, low in the south. Since 1995 that level (Kp 7.3) was reached during darkness here on 53 nights.
Right now
Quiet right now (Kp 2.0).
Latest measured half-hour activity worldwide: Hp30 2.
Updates every minute while this page is open. Ground data: GFZ Potsdam Hp30 index (CC BY 4.0).
Tonight in one minute
Not tonight
- Solar activity Too weak: Kp 2 expected, 7.3 needed here.
- Sky Mostly clear (1% cloud).
- Darkness Dark from 20:48 to 05:43.
What to do: Not tonight — your next chance is shown just below.
- Detailed forecast Sat 17 2 No · Kp 2
- Sun 18 1.3 No · Kp 1.3
- Mon 19 4 No · Kp 4
- 27-day trend Tue 20 2 No · Kp 2
- Wed 21 3 No · Kp 3
- Thu 22 4 No · Kp 4
- Fri 23 4 No · Kp 4
- Sat 24 3 No · Kp 3
- Sun 25 2 No · Kp 2
- Mon 26 2 No · Kp 2
- Tue 27 2 No · Kp 2
- Wed 28 2 No · Kp 2
- Thu 29 2 No · Kp 2
- Fri 30 2 No · Kp 2
- Sat 31 5 No · Kp 5
- Sun 1 5 No · Kp 5
- Mon 2 3 No · Kp 3
- Tue 3 2 No · Kp 2
- Wed 4 2 No · Kp 2
- Thu 5 2 No · Kp 2
- Fri 6 3 No · Kp 3
- Sat 7 3 No · Kp 3
Sunday 18 October — No · Kp 2 · Forecast cloud: 1%. · Reliability: good
Each box is one night: the colour shows the chance, the number the expected Kp. Tap a night for details.
📅 Add these nights to your calendar — it updates itself (.ics)
How far ahead can the northern lights be forecast?
- Minutes to an hour: satellites 1.5 million km away measure the solar wind before it reaches Earth. This is the surest warning — the “Right now” box uses it.
- 1–3 days: when the Sun throws out a cloud of particles, it takes one to three days to arrive. NOAA's 3-hourly forecast covers these nights; the timing can still be off by a few hours.
- 4–27 days: the Sun turns once every 27 days, and regions that disturbed Earth's field last time often do it again. NOAA's 27-day outlook gives this rough trend — new eruptions are not in it yet.
Tonight
Updated 04:27 local time
Unlikely
Best around 04:00. Forecast max Kp 2.0 (this place needs 7.3), average cloud 1%.
- Dark enough
- 20:48 – 05:43
- Sunset
- 19:49 · sunrise 06:42
- Moon
- 41% · ↑ 11:40 · ↓ 02:10
- Kp neededKp index: a 0–9 measure of geomagnetic activity. The higher it is, the further from the poles the aurora reaches.
- Kp 7.3
- Kp for photos
- In photos: from Kp 5.7 (a red glow low in the south).
- Look towards
- south (186°)
Cloud layers and weather
Low cloud blocks the aurora completely. Thin high cloud often still lets a bright aurora shine through, so a sky with only high cloud is worth a look.
| Time | Sun, 04 | Sun, 22 | Mon, 01 | Mon, 04 | Mon, 22 | Tue, 01 | Tue, 04 | Tue, 22 | Wed, 01 |
|---|---|---|---|---|---|---|---|---|---|
| Low cloud | 0% | 0% | 0% | 1% | 0% | 0% | 0% | 0% | 9% |
| Mid cloud | 1% | 3% | 2% | 1% | 73% | 27% | 94% | 100% | 100% |
| High cloud | 0% | 0% | 0% | 0% | 61% | 0% | 2% | 99% | 99% |
| Temperature | 14 °C | 19 °C | 16 °C | 15 °C | 21 °C | 19 °C | 19 °C | 17 °C | 17 °C |
| Feels like | 11 °C | 17 °C | 14 °C | 12 °C | 19 °C | 18 °C | 16 °C | 19 °C | 17 °C |
| Wind | 4 m/s | 4 m/s | 3 m/s | 4 m/s | 4 m/s | 4 m/s | 4 m/s | 2 m/s | 3 m/s |
| Visibility | 50 km | 50 km | 50 km | 50 km | 50 km | 50 km | 50 km | 3.1 km | 11 km |
Cloud layers and weather: Open-Meteo (CC BY 4.0).
Score = activity (NOAA Kp and OVATION) × clear sky (MET Norway) × darkness × moonlight. Methodology
Seeing it right now?
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What you would see from Horsham
Facing south. Bands show where the aurora sits at two activity levels.
| Kp | What you see | Lower edge | Ray tops | Distance to the aurora |
|---|---|---|---|---|
| 2 | Below the horizon | -4° | -1° | 1,679 km |
| 3 | Below the horizon | -2° | 1° | 1,457 km |
| 4 | Below the horizon | -1° | 3° | 1,234 km |
| 5 | Below the horizon | 1° | 6° | 1,012 km |
| 6 | Faint glow, mostly on camera | 4° | 10° | 790 km |
| 7 | Faint glow, mostly on camera | 8° | 17° | 567 km |
| 8 | Visible to the south | 15° | 28° | 345 km |
| 9 | Visible to the south | 40° | 58° | 122 km |
The Kp scale in plain words
Kp is a 0–9 score for how strongly the Earth's magnetic field is being shaken by the solar wind. The higher it goes, the further from the poles the northern lights reach. Kp 0–2 is a quiet night; Kp 5 and above is a geomagnetic storm.
- Kp 0–2 Quiet next 24 h Only under the auroral oval: northern Norway, Swedish and Finnish Lapland, Iceland, Alaska, northern Canada.
- Kp 3 Unsettled Bright in the Arctic; low on the horizon in central Scandinavia and southern Iceland.
- Kp 4 Active Overhead in the Arctic; low in the north from southern Norway, Sweden, Finland and northern Scotland.
- Kp 5 Minor storm (G1) Scotland, southern Scandinavia, the Baltic states, the northern US states and southern Canada.
- Kp 6 Moderate storm (G2) camera in Horsham Northern England, Denmark, northern Germany and Poland, the US Midwest — often clearer in photos than to the eye.
- Kp 7 Strong storm (G3) eye in Horsham Most of the UK, the Netherlands, Germany, Poland, Czechia; red glow in photos from France and the northern Alps.
- Kp 8 Severe storm (G4) Central Europe to the eye; red sky in photos from northern Italy, Spain, the Balkans and Turkey's Black Sea coast.
- Kp 9 Extreme storm (G5) Seen across Europe and the US; in photos as far south as the Mediterranean, Turkey and North Africa (May 2024).
Light pollution
Suburban sky. Noticeable sky glow. Bright displays are visible, but driving out of town makes a clear difference.
Estimate from NASA VIIRS night-light data (sky-glow model within 50 km). Check access and private land before you go.
Hills and mountains
Terrain is not modelled for this place.
From elevation data (AWS Terrain Tiles) along seven lines of sight up to 30 km.
Best months to see the aurora in Horsham
Share of nights 2005–2025 that were dark, active enough here and mostly clear.
May has been the best month (1% of nights), followed by April (1%).
| Month | Good nights | Clear nights | Darkness | Low / high |
|---|---|---|---|---|
| March | 0.2% | 86% | 9.8 h | 12° / 27°C |
| April | 0.5% | 82% | 11.0 h | 9° / 22°C |
| May | 0.6% | 79% | 11.8 h | 7° / 17°C |
| June | 0.2% | 73% | 12.3 h | 5° / 13°C |
| July | 0% | 76% | 12.0 h | 4° / 13°C |
| August | 0.3% | 81% | 11.3 h | 5° / 14°C |
| September | 0.2% | 82% | 10.3 h | 6° / 17°C |
| October | 0.3% | 80% | 9.0 h | 7° / 21°C |
Aurora nights in Horsham since 1995
Nights when Kp reached 7.3 or more while it was dark here.
Most recent strong nights
- 10 October 2026 · Kp 7.3
- 20 January 2026 · Kp 7.3
- 12 November 2025 · Kp 7.7
- 1 June 2025 · Kp 7.3
- 16 April 2025 · Kp 7.7
- 1 January 2025 · Kp 8.0
- 11 October 2024 · Kp 7.7
- 10 October 2024 · Kp 7.7
Practical information
- Nearest airport
- Mount Gambier Airport (MGB) · 170 km
- Typical low / high in May
- 7° / 17°C
- What to wear
- Cool nights: layers, a windproof jacket, hat and gloves for standing still outside. Full clothing guide
- Emergency number
- 000 (112 also works from mobile phones)
- Winter driving
- Under Victoria's Alpine Resorts (Management) Regulations 2020, every vehicle entering Falls Creek, Mt Baw Baw, Mt Buller, Mt Hotham and Mt Stirling must carry fitting wheel chains during the declared snow season (2026: 7 June - 4 October). Check VicTraffic for live Victorian road disruptions; in Tasmania, elevated roads get snow and ice in winter and closures are posted via Tasmania Police alerts / TasALERT. Road conditions
- Access to land
- Most Tasmanian national parks require a valid Parks & Wildlife Service parks pass per vehicle (24-hour, holiday/8-week, annual options; Cradle Mountain excluded from the 24-hour pass). Check land tenure before parking at night and respect any local closures.
- Official space-weather service
- Bureau of Meteorology Australian Space Weather Forecasting Centre (Aurora Watch/Alert/Outlook)
- Weather service
- Bureau of Meteorology
Questions and answers
What Kp do you need to see the aurora in Horsham?
Only severe geomagnetic storms (Kp 7.3 or more) bring the aurora into view from Horsham — a few nights per solar cycle, low in the south.
Which way should I look for the aurora in Horsham?
Face south (about 186° from true north). At Kp 7.3 the lower edge of the aurora sits roughly 15° above the horizon; stronger activity lifts it higher and further across the sky.
What is the best month to see the aurora in Horsham?
Over 2005–2025, May gave the best odds in Horsham (1% of nights dark, active enough and mostly clear), followed by April (1%).
When is the aurora season in Horsham?
Horsham gets dark enough for the aurora all year round, though the long winter nights give the most hours to watch.
Is there much light pollution in Horsham?
Noticeable sky glow. Bright displays are visible, but driving out of town makes a clear difference.
When was the aurora last possible in Horsham?
The most recent night in our data when activity reached the level Horsham needs, during darkness, was 10 October 2026 (Kp 7.3). It has happened on 53 nights since 1995.
Also covered by this forecast
Villages and districts around Horsham share its forecast: within a few kilometres the sky, the Kp needed and the best direction are the same.
- Haven 6 km
- Dooen 8 km
- McKenzie Creek 10 km
- Lower Norton Creek 11 km
- Bungalally 11 km
- Green Lakes 12 km
- Drung Drung 12 km
- Longerenong 13 km
- Vectis East 14 km
- Horsham 15 km
- Pimpinio 16 km
- Vectis South 17 km
- Quantong 17 km
- Wonwondah East 18 km
- Jung 18 km
- Helens Plains 19 km
- Wonwondah North 20 km
- Kalkee 20 km
- Jerro 21 km
- Garup 22 km
- Wonwondah South 23 km
- Natimuk 23 km
- Lah-arum 23 km
- Duchembegarra 23 km
- Wonwondah 24 km
- Wail 25 km
- Noradjuha 25 km
- Nurrabiel 26 km
- Murtoa 26 km
- Murra Warra 26 km
- Byrneville 27 km
- Blackheath 28 km
- Ashens 28 km
- Mockinya 29 km
- Kewell 30 km
- Arapiles 31 km
- Dimboola 32 km
- Lubeck 33 km
- Jallumba 33 km
- Coromby 33 km