Rule
Fire Sky
Santorini Sunset Forecast
Oia, Greece
Those rare, intensely red and orange sunset skies
No opportunities right now
Here’s what usually blocks matches
No spectacular sunset predicted. The famous Santorini fire skies need specific cloud and atmospheric conditions.
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Rule requirements (key thresholds)
Golden Hour · Any Fiery Red Sky Potential · ≥ 90.0% Precipitation Chance · ≤ 15.0% Visibility · ≥ 8000.0m
Tip: Scroll down to the 72-hour table to see exactly which condition fails hour by hour.
Most common blockers (next 72 hours)
Fiery Red Sky Potential 100% failing
Golden Hour 83% failing
Precipitation Chance 57% failing
Upcoming Opportunities
When all conditions match, PhotoWeather marks an opportunity window.
Times shown in Europe/Athens
No opportunities in the next 14 days
See the blocker timeline above to understand which conditions are preventing matches.
What this forecast looks for
Plain-language explanation from the ruleFire Sky predicts those rare, intensely red and orange sunset skies:
- Red Sky Potential: Based on atmospheric conditions and cloud coverage
- Cloud Position: Mid-level clouds at the right angle catch the most color
- Visibility: Clear enough horizon for the light to travel through
- Solar Angle: The low sun angle that creates red wavelength dominance
These dramatic skies are relatively rare but unforgettable when they occur.
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72-hour requirements breakdown
What passed or failed, hour by hour0matching hours in the next 72 hours
AND logic: all conditions required
Meets requirement
Misses requirement
Time Europe/Athens | Golden Hour Any | Fiery Red Sky Potential ≥ 90.0% | Precipitation Chance ≤ 15.0% | Visibility ≥ 8000.0m |
|---|---|---|---|---|
| Fri, Jan 9 | ||||
| 08:00 | ✓ | 32% | 0% | 74640m |
| 09:00 | ✕ | 0% | 0% | 74620m |
| 10:00 | ✕ | 0% | 0% | 74720m |
| 11:00 | ✕ | 0% | 0% | 75480m |
| 12:00 | ✕ | 0% | 0% | 76400m |
| 13:00 | ✕ | 0% | 0% | 72400m |
| 14:00 | ✕ | 0% | 0% | 75300m |
| 15:00 | ✕ | 0% | 0% | 72480m |
| 16:00 | ✓ | 0% | 3% | 59220m |
| 17:00 | ✓ | 68% | 5% | 48420m |
| 18:00 | ✕ | 52% | 23% | 48060m |
| 19:00 | ✕ | 0% | 35% | 48320m |
| 20:00 | ✕ | 0% | 15% | 43620m |
| 21:00 | ✕ | 0% | 8% | 46440m |
| 22:00 | ✕ | 0% | 0% | 40280m |
| 23:00 | ✕ | 0% | 0% | 36840m |
| Sat, Jan 10 | ||||
| 24:00 | ✕ | 0% | 13% | 31800m |
| 01:00 | ✕ | 0% | 13% | 30920m |
| 02:00 | ✕ | 0% | 33% | 31280m |
| 03:00 | ✕ | 0% | 35% | 35860m |
| 04:00 | ✕ | 0% | 33% | 49720m |
| 05:00 | ✕ | 0% | 15% | 51800m |
| 06:00 | ✕ | 0% | 13% | 41860m |
| 07:00 | ✓ | 61% | 10% | 47000m |
| 08:00 | ✓ | 45% | 3% | 45040m |
| 09:00 | ✕ | 0% | 10% | 45080m |
| 10:00 | ✕ | 0% | 10% | 47020m |
| 11:00 | ✕ | 0% | 15% | 48380m |
| 12:00 | ✕ | 0% | 13% | 43560m |
| 13:00 | ✕ | 0% | 18% | 48220m |
| 14:00 | ✕ | 0% | 13% | 51260m |
| 15:00 | ✕ | 0% | 8% | 57220m |
| 16:00 | ✓ | 0% | 8% | 57080m |
| 17:00 | ✓ | 48% | 5% | 54140m |
| 18:00 | ✕ | 44% | 15% | 55820m |
| 19:00 | ✕ | 0% | 15% | 58640m |
| 20:00 | ✕ | 0% | 13% | 47640m |
| 21:00 | ✕ | 0% | 45% | 42260m |
| 22:00 | ✕ | 0% | 65% | 31120m |
| 23:00 | ✕ | 0% | 63% | 24920m |
| Sun, Jan 11 | ||||
| 24:00 | ✕ | 0% | 70% | 16940m |
| 01:00 | ✕ | 0% | 65% | 13920m |
| 02:00 | ✕ | 0% | 70% | 19240m |
| 03:00 | ✕ | 0% | 68% | 26300m |
| 04:00 | ✕ | 0% | 65% | 18160m |
| 05:00 | ✕ | 0% | 63% | 16440m |
| 06:00 | ✕ | 0% | 64% | 25500m |
| 07:00 | ✓ | 65% | 66% | 28300m |
| 08:00 | ✓ | 50% | 68% | 51760m |
| 09:00 | ✕ | 0% | 69% | 39520m |
| 10:00 | ✕ | 0% | 71% | 41880m |
| 11:00 | ✕ | 0% | 73% | 53580m |
| 12:00 | ✕ | 0% | 80% | 25580m |
| 13:00 | ✕ | 0% | 87% | 37960m |
| 14:00 | ✕ | 0% | 88% | 40340m |
| 15:00 | ✕ | 0% | 74% | 47900m |
| 16:00 | ✓ | 0% | 53% | 48440m |
| 17:00 | ✓ | 64% | 38% | 48160m |
| 18:00 | ✕ | 63% | 34% | 57240m |
| 19:00 | ✕ | 0% | 37% | 56680m |
| 20:00 | ✕ | 0% | 40% | 71040m |
| 21:00 | ✕ | 0% | 44% | 69240m |
| 22:00 | ✕ | 0% | 50% | 58800m |
| 23:00 | ✕ | 0% | 53% | 51640m |
| Mon, Jan 12 | ||||
| 24:00 | ✕ | 0% | 42% | 49940m |
| 01:00 | ✕ | 0% | 44% | 42760m |
| 02:00 | ✕ | 0% | 45% | 47860m |
| 03:00 | ✕ | 0% | 45% | 32320m |
| 04:00 | ✕ | 0% | 44% | 29800m |
| 05:00 | ✕ | 0% | 43% | 39520m |
| 06:00 | ✕ | 0% | 42% | 47520m |
| 07:00 | ✓ | 53% | 40% | 52920m |
How to read: colored cells show whether each predicate requirement is met; highlighted rows mean the full rule matched (an opportunity).
What does Fiery Red Sky Potential mean?
Inputs that drive the scoreThis derived score summarizes multiple raw weather signals. The table below shows the supporting inputs hour by hour, so you can see what's pushing the score up or down.
| Time Europe/Athens | Aerosol Optical Depth (550nm) | Air Pressure hPa | Dust AOD (550nm) | Golden Hour | High Clouds % | Low Clouds % | Mid-Level Clouds % | RH @ 700 hPa % | Relative Humidity % | Smoke AOD (550nm) | Temperature °C | Wind Speed m/s | Ångström Exponent |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fri, Jan 9
Sunrise 07:30
Sunset 17:20 | |||||||||||||
| 09:00 | 0.02 | 1004hPa | 0 | - | 0% | 32% | 0% | 36% | 49% | 0.004 | 12°C | 8m/s | 1.3 |
| 10:00 | 0.03 | 1005hPa | 0 | - | 0% | 31% | 0% | 43% | 48% | 0.004 | 13°C | 7.8m/s | 1.3 |
| 11:00 | 0.03 | 1005hPa | 0 | - | 0% | 0% | 0% | 49% | 46% | 0.004 | 13°C | 7.1m/s | 1.3 |
| 12:00 | 0.03 | 1004hPa | 0 | - | 0% | 0% | 0% | 46% | 40% | 0.004 | 14°C | 6.3m/s | 1.3 |
| 13:00 | 0.03 | 1004hPa | 0 | - | 0% | 25% | 0% | 42% | 51% | 0.004 | 14°C | 6.7m/s | 1.2 |
| 14:00 | 0.03 | 1004hPa | 0 | - | 0% | 0% | 0% | 38% | 46% | 0.004 | 15°C | 6.1m/s | 1.2 |
| 15:00 | 0.03 | 1003hPa | 0 | - | 0% | 0% | 31% | 53% | 52% | 0.003 | 15°C | 6m/s | 1.1 |
| 16:00 | 0.04 | 1003hPa | 0 | - | 0% | 61% | 54% | 68% | 64% | 0.004 | 15°C | 7.7m/s | 0.87 |
| 17:00 | 0.06 | 1003hPa | 0 | - | 0% | 38% | 60% | 83% | 72% | 0.004 | 15°C | 8.2m/s | 0.76 |
| 18:00 | 0.06 | 1003hPa | 0 | - | 0% | 47% | 58% | 70% | 72% | 0.003 | 16°C | 7.2m/s | 0.68 |
| 19:00 | 0.05 | 1003hPa | 0 | - | 0% | 41% | 59% | 57% | 72% | 0.002 | 16°C | 8.5m/s | 0.7 |
| 20:00 | 0.04 | 1002hPa | 0 | - | 0% | 57% | 30% | 44% | 74% | 0.003 | 16°C | 8.4m/s | 0.81 |
| 21:00 | 0.04 | 1002hPa | 0 | - | 0% | 59% | 0% | 40% | 73% | 0.003 | 16°C | 8.7m/s | 0.84 |
| 22:00 | 0.05 | 1002hPa | 0 | - | 0% | 47% | 7% | 36% | 76% | 0.003 | 16°C | 8.7m/s | 0.79 |
| 23:00 | 0.06 | 1002hPa | 0 | - | 0% | 43% | 1% | 31% | 78% | 0.003 | 16°C | 8.8m/s | 0.74 |
| Sat, Jan 10
Sunrise 07:30
Sunset 17:20 | |||||||||||||
| 24:00 | 0.07 | 1002hPa | 0 | - | 0% | 53% | 22% | 33% | 80% | 0.004 | 16°C | 8.7m/s | 0.74 |
| 01:00 | 0.08 | 1002hPa | 0 | - | 0% | 53% | 0% | 34% | 80% | 0.005 | 16°C | 8.5m/s | 0.76 |
| 02:00 | 0.09 | 1002hPa | 0 | - | 0% | 56% | 40% | 35% | 80% | 0.006 | 15°C | 8.9m/s | 0.75 |
| 03:00 | 0.09 | 1002hPa | 0.002 | - | 0% | 50% | 40% | 30% | 78% | 0.006 | 16°C | 9.5m/s | 0.72 |
| 04:00 | 0.1 | 1001hPa | 0.004 | - | 0% | 51% | 49% | 24% | 71% | 0.009 | 16°C | 9.3m/s | 0.68 |
| 05:00 | 0.11 | 1001hPa | 0.006 | - | 0% | 47% | 1% | 19% | 70% | 0.01 | 16°C | 10m/s | 0.72 |
| 06:00 | 0.12 | 1000hPa | 0.007 | - | 0% | 50% | 0% | 19% | 75% | 0.02 | 16°C | 10m/s | 0.79 |
| 07:00 | 0.13 | 1000hPa | 0.007 | - | 17% | 48% | 0% | 18% | 73% | 0.02 | 16°C | 10m/s | 0.82 |
| 08:00 | 0.12 | 1000hPa | 0.008 | - | 7% | 52% | 6% | 18% | 73% | 0.02 | 16°C | 10m/s | 0.8 |
| 09:00 | 0.12 | 1000hPa | 0.008 | - | 95% | 45% | 44% | 18% | 73% | 0.02 | 16°C | 10m/s | 0.79 |
| 10:00 | 0.12 | 1000hPa | 0.007 | - | 70% | 46% | 23% | 18% | 70% | 0.02 | 16°C | 11m/s | 0.78 |
| 11:00 | 0.12 | 1000hPa | 0.006 | - | 0% | 61% | 32% | 18% | 69% | 0.01 | 17°C | 11m/s | 0.77 |
| 12:00 | 0.12 | 999hPa | 0.006 | - | 0% | 42% | 7% | 19% | 71% | 0.01 | 17°C | 11m/s | 0.75 |
| 13:00 | 0.13 | 998hPa | 0.008 | - | 0% | 46% | 14% | 19% | 69% | 0.01 | 17°C | 11m/s | 0.75 |
| 14:00 | 0.13 | 998hPa | 0.01 | - | 0% | 42% | 8% | 20% | 67% | 0.01 | 17°C | 11m/s | 0.74 |
| 15:00 | - | 997hPa | - | - | 0% | 33% | 21% | 22% | 64% | - | 17°C | 11m/s | - |
| 16:00 | - | 997hPa | - | - | 0% | 24% | 13% | 23% | 65% | - | 17°C | 10m/s | - |
| 17:00 | - | 996hPa | - | - | 8% | 30% | 0% | 25% | 68% | - | 17°C | 10m/s | - |
| 18:00 | - | 996hPa | - | - | 0% | 12% | 0% | 23% | 67% | - | 17°C | 9.8m/s | - |
| 19:00 | - | 996hPa | - | - | 0% | 3% | 0% | 21% | 66% | - | 17°C | 9.8m/s | - |
| 20:00 | - | 997hPa | - | - | 0% | 45% | 33% | 18% | 72% | - | 16°C | 11m/s | - |
| 21:00 | - | 996hPa | - | - | 0% | 49% | 36% | 36% | 75% | - | 16°C | 11m/s | - |
| 22:00 | - | 996hPa | - | - | 0% | 54% | 53% | 54% | 80% | - | 15°C | 10m/s | - |
| 23:00 | - | 996hPa | - | - | 5% | 63% | 56% | 71% | 83% | - | 15°C | 9.9m/s | - |
| Sun, Jan 11
Sunrise 07:30
Sunset 17:21 | |||||||||||||
| 24:00 | - | 996hPa | - | - | 99% | 62% | 97% | 81% | 87% | - | 15°C | 9.3m/s | - |
| 01:00 | - | 996hPa | - | - | 100% | 69% | 100% | 90% | 88% | - | 15°C | 9m/s | - |
| 02:00 | - | 996hPa | - | - | 96% | 69% | 86% | 100% | 85% | - | 14°C | 8.7m/s | - |
| 03:00 | - | 996hPa | - | - | 96% | 52% | 68% | 98% | 82% | - | 14°C | 8.7m/s | - |
| 04:00 | - | 995hPa | - | - | 100% | 60% | 100% | 96% | 86% | - | 14°C | 8.7m/s | - |
| 05:00 | - | 995hPa | - | - | 100% | 65% | 94% | 95% | 87% | - | 14°C | 8.4m/s | - |
| 06:00 | - | 995hPa | - | - | 100% | 61% | 55% | 81% | 83% | - | 14°C | 7.9m/s | - |
| 07:00 | - | 995hPa | - | - | 100% | 60% | 10% | 68% | 82% | - | 14°C | 8.6m/s | - |
| 08:00 | - | 995hPa | - | - | 72% | 43% | 31% | 55% | 70% | - | 15°C | 8m/s | - |
| 09:00 | - | 995hPa | - | - | 0% | 45% | 41% | 55% | 75% | - | 14°C | 8.7m/s | - |
| 10:00 | - | 995hPa | - | - | 0% | 38% | 41% | 56% | 73% | - | 14°C | 8.8m/s | - |
| 11:00 | - | 995hPa | - | - | 0% | 38% | 15% | 57% | 66% | - | 15°C | 9.3m/s | - |
| 12:00 | - | 995hPa | - | - | 0% | 69% | 45% | 61% | 79% | - | 14°C | 10m/s | - |
| 13:00 | - | 994hPa | - | - | 0% | 48% | 100% | 65% | 74% | - | 13°C | 10m/s | - |
| 14:00 | - | 994hPa | - | - | 0% | 57% | 100% | 70% | 73% | - | 13°C | 9.3m/s | - |
| 15:00 | - | 993hPa | - | - | 0% | 58% | 100% | 67% | 70% | - | 13°C | 9.2m/s | - |
| 16:00 | - | 993hPa | - | - | 0% | 49% | 93% | 65% | 71% | - | 13°C | 9.1m/s | - |
| 17:00 | - | 993hPa | - | - | 0% | 44% | 27% | 63% | 71% | - | 13°C | 8.5m/s | - |
| 18:00 | - | 994hPa | - | - | 0% | 34% | 32% | 60% | 67% | - | 13°C | 8.4m/s | - |
| 19:00 | - | 995hPa | - | - | 0% | 36% | 38% | 57% | 67% | - | 14°C | 7.4m/s | - |
| 20:00 | - | 995hPa | - | - | 1% | 25% | 87% | 53% | 55% | - | 14°C | 6.7m/s | - |
| 21:00 | - | 996hPa | - | - | 13% | 32% | 34% | 64% | 58% | - | 14°C | 6.7m/s | - |
| 22:00 | - | 996hPa | - | - | 88% | 9% | 39% | 74% | 66% | - | 13°C | 5.8m/s | - |
| 23:00 | - | 996hPa | - | - | 98% | 14% | 62% | 84% | 71% | - | 12°C | 6.3m/s | - |
| Mon, Jan 12
Sunrise 07:30
Sunset 17:22 | |||||||||||||
| 24:00 | - | 997hPa | - | - | 0% | 25% | 100% | 77% | 72% | - | 12°C | 6m/s | - |
| 01:00 | - | 997hPa | - | - | 0% | 37% | 12% | 71% | 76% | - | 12°C | 5.1m/s | - |
| 02:00 | - | 998hPa | - | - | 0% | 42% | 7% | 64% | 73% | - | 12°C | 5.7m/s | - |
| 03:00 | - | 998hPa | - | - | 0% | 45% | 9% | 62% | 80% | - | 11°C | 5.7m/s | - |
| 04:00 | - | 998hPa | - | - | 0% | 52% | 8% | 61% | 82% | - | 11°C | 5.2m/s | - |
| 05:00 | - | 998hPa | - | - | 0% | 68% | 10% | 60% | 77% | - | 11°C | 5.9m/s | - |
| 06:00 | - | 998hPa | - | - | 0% | 56% | 0% | 58% | 73% | - | 11°C | 5.9m/s | - |
| 07:00 | - | 999hPa | - | - | 0% | 45% | 1% | 57% | 70% | - | 11°C | 6.2m/s | - |
| 08:00 | - | 999hPa | - | - | 0% | 39% | 0% | 55% | 68% | - | 11°C | 6.2m/s | - |
How to read: these inputs help produce the derived score; they are not requirements by themselves.
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