Texas, United StatesMagnetic latitude 40.9°Population 2,937356 m above sea level
Can you see the northern lights in Hamilton, Texas?
From Hamilton the aurora is too low for the naked eye except in the most extreme storms, but in severe storms (about Kp 7.3 or more) cameras record a red glow low in the north. Strong enough for photos on 52 nights since 1995 — most recently on 20 January 2026.
Right now
It is still light here. Darkness starts at 19:47.
Latest measured half-hour activity worldwide: Hp30 3.
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 4.7 expected, 7.3 needed here.
- Sky Mostly clear (1% cloud).
- Darkness Dark from 19:47 to 06:47. A bright moon (70%) washes out faint displays.
What to do: Not tonight — your next chance is shown just below.
Wednesday 21 October — No · Kp 4.7 · 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 14:29 local time
Unlikely
Best around 19:00. Forecast max Kp 4.7 (this place needs 9+), average cloud 1%.
- Dark enough
- 19:47 – 06:47
- Sunset
- 18:54 · sunrise 07:40
- Moon
- 70% · ↑ 15:50 · ↓ 03:01
- Kp neededKp index: a 0–9 measure of geomagnetic activity. The higher it is, the further from the poles the aurora reaches.
- Kp 9+
- Kp for photos
- In photos: from Kp 7.3 (a red glow low in the north).
- Look towards
- north (6°)
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 | Tue, 20 | Tue, 23 | Wed, 02 | Wed, 05 | Wed, 21 | Thu, 00 | Thu, 03 | Thu, 06 | Thu, 21 | Fri, 00 | Fri, 03 | Fri, 06 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Low cloud | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% |
| Mid cloud | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% |
| High cloud | 0% | 1% | 1% | 0% | 0% | 0% | 1% | 5% | 42% | 40% | 43% | 49% |
| Temperature | 19 °C | 17 °C | 15 °C | 14 °C | 20 °C | 18 °C | 16 °C | 15 °C | 21 °C | 19 °C | 17 °C | 15 °C |
| Feels like | 19 °C | 17 °C | 15 °C | 14 °C | 20 °C | 18 °C | 16 °C | 15 °C | 21 °C | 19 °C | 17 °C | 15 °C |
| Wind | 3 m/s | 3 m/s | 2 m/s | 1 m/s | 3 m/s | 2 m/s | 2 m/s | 1 m/s | 3 m/s | 3 m/s | 2 m/s | 2 m/s |
Cloud layers and weather: Open-Meteo (CC BY 4.0).
Score = activity (NOAA Kp and OVATION) × clear sky (MET Norway) × darkness × moonlight. Methodology
Weather in Hamilton
The aurora only shows through clear skies, so the weather matters as much as the Kp index. Here is the general forecast for Hamilton: temperature, wind and the chance of rain for the coming days.
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What you would see from Hamilton
Facing north. 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 | -8° | -6° | 2,402 km |
| 3 | Below the horizon | -7° | -5° | 2,180 km |
| 4 | Below the horizon | -6° | -3° | 1,957 km |
| 5 | Below the horizon | -4° | -1° | 1,735 km |
| 6 | Below the horizon | -3° | 1° | 1,512 km |
| 7 | Below the horizon | -1° | 3° | 1,290 km |
| 8 | Faint glow, mostly on camera | 1° | 6° | 1,068 km |
| 9 | Faint glow, mostly on camera | 3° | 9° | 845 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 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) next 24 h Scotland, southern Scandinavia, the Baltic states, the northern US states and southern Canada.
- Kp 6 Moderate storm (G2) Northern England, Denmark, northern Germany and Poland, the US Midwest — often clearer in photos than to the eye.
- Kp 7 Strong storm (G3) camera in Hamilton 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
Rural to suburban. Some sky glow from nearby lights. Moderate displays are fine; faint ones are easier a few kilometres out.
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 Hamilton
Share of nights 2005–2025 that were dark, active enough here and mostly clear.
Activity of Kp 9+ or more is too rare here for monthly odds to be meaningful. The table still shows how often nights are clear and dark.
| Month | Good nights | Clear nights | Darkness | Low / high |
|---|---|---|---|---|
| September | 0% | 81% | 9.8 h | 20° / 32°C |
| October | 0% | 85% | 10.6 h | 13° / 27°C |
| November | 0% | 78% | 11.5 h | 7° / 21°C |
| December | 0% | 69% | 11.9 h | 3° / 16°C |
| January | 0% | 72% | 11.8 h | 1° / 14°C |
| February | 0% | 62% | 11.0 h | 3° / 16°C |
| March | 0% | 67% | 10.3 h | 8° / 22°C |
| April | 0% | 70% | 9.0 h | 12° / 26°C |
Nights when Hamilton could catch it in photos
Since 1995, nights with Kp 7.3 or more while it was dark here — a red or green glow low on the horizon.
- 20 January 2026 · Kp 7.3
- 19 January 2026 · Kp 7.7
- 12 November 2025 · Kp 7.3
- 11 November 2025 · Kp 8.7
- 31 May 2025 · Kp 7.7
- 10 October 2024 · Kp 8.3
- 16 September 2024 · Kp 7.3
- 10 May 2024 · Kp 9.0
- 23 April 2023 · Kp 8.0
- 23 March 2023 · Kp 8.0
- 3 November 2021 · Kp 7.7
- 25 August 2018 · Kp 7.3
Practical information
- Nearest airport
- Killeen Regional Airport / Robert Gray Army Airfield (GRK) · 76 km
- Typical low / high in January
- 1° / 14°C
- What to wear
- Cool nights: layers, a windproof jacket, hat and gloves for standing still outside. Full clothing guide
- Emergency number
- 911
- Winter driving
- Tyre and chain rules are set at state level; check Alaska 511 (511.alaska.gov, Alaska DOT&PF) for Alaska roads, or the relevant state's 511 service elsewhere. Road conditions
- Access to land
- There is no general right to roam; trespass law is set by each state, so stay on public land (national parks, national forests, BLM land) or get the landowner's permission, and follow each park's night-time and parking rules.
- Official space-weather service
- NOAA Space Weather Prediction Center (aurora dashboard)
- Weather service
- National Weather Service (NOAA)
Questions and answers
What Kp do you need to see the aurora in Hamilton?
From Hamilton the aurora is too low for the naked eye except in the most extreme storms, but in severe storms (about Kp 7.3 or more) cameras record a red glow low in the north.
Which way should I look for the aurora in Hamilton?
Around Hamilton the aurora is often right overhead. Start by facing north, but look up and all around — in strong storms it can fill the whole sky and even appear behind you.
When is the aurora season in Hamilton?
Hamilton 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 Hamilton?
Some sky glow from nearby lights. Moderate displays are fine; faint ones are easier a few kilometres out.
Also covered by this forecast
Villages and districts around Hamilton share its forecast: within a few kilometres the sky, the Kp needed and the best direction are the same.
- Hamilton County 1 km
- Midway 8 km
- Aleman 11 km
- Schoolerville 11 km
- Springtown 13 km
- Gentrys Mill 14 km
- Parsley Crossing 15 km
- Shive 15 km
- Spurlin 16 km
- Whiteway 16 km
- Lanham 17 km
- Sunshine 18 km
- Ballard Crossing 19 km
- Lamkin 19 km
- Ohio 19 km
- Pottsville 19 km
- Olin 19 km
- Slab Crossing 20 km
- Springdale 21 km
- Fairy 21 km
- Vista 22 km
- Energy 24 km
- Siloam 25 km
- Fairview 26 km
- Pecan Wells 27 km
- Indian Gap 28 km
- McGirk 29 km
- Star 32 km
- Center City 37 km