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Rule Blue Hour

Blue Hour Forecast for Amalfi, Amalfi Coast

Amalfi, Campania, Italy

The striped cathedral and tall bell tower rise above a dense town at a ravine mouth, facing a compact harbour and waterfront.

Currently

Real-time conditions
Cloud Cover2%
Moon Altitude34.2°

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Europe/Rome
blue-hour weather icon
Next opportunity
Good Blue Hour (clear) at Sunset
Amalfi
Today · 20:48–21:00 · 1h window
High confidence
80%
🌉Blue Hour Quality80.4%
Cloud Cover: 0%
Moon Illumination: 31%
Moon Altitude: 32.6°
blue-hour weather icon
Good Blue Hour (clear) at Dusk
Amalfi
Today · 21:00–21:01
🌉Blue Hour Quality:79.2%
High
blue-hour weather icon
Good Blue Hour (clear) at Sunrise
Amalfi
Tomorrow · 05:15–05:27
🌉Blue Hour Quality:78.5%
High
blue-hour weather icon
Good Blue Hour (clear) at Sunset
Amalfi
Tomorrow · 20:47–21:00
🌉Blue Hour Quality:79.3%
High
blue-hour weather icon
Good Blue Hour (clear) at Dusk
Amalfi
Tomorrow · 21:00–21:00
🌉Blue Hour Quality:79.6%
High
blue-hour weather icon
Good Blue Hour (clear) at Sunrise
Amalfi
Tue, Jul 21 · 05:16–05:28
🌉Blue Hour Quality:80.2%
High
blue-hour weather icon
Good Blue Hour (clear) at Sunset
Amalfi
Tue, Jul 21 · 20:46–20:59
🌉Blue Hour Quality:80.9%
Medium
+8 more windows in the next 14 days

How this forecast is evaluated

See which weather signals PhotoWeather uses to identify Blue Hour conditions across Amalfi Coast. The requirements and hourly values below show how those signals apply at Amalfi.

Explore Blue Hour conditions across Amalfi Coast →

Recorded match history

Completed PhotoWeather forecast matches recorded for this exact rule at Amalfi during the last 365 days.

Last 30 days
75
recorded matching windows · 80% average confidence
Last 90 days
166
recorded matching windows · 79% average confidence
Last 365 days
200
recorded matching windows · 79% average confidence
Most frequent recorded start hour

05:00 local time, shared by 72 of 200 matches recorded in the last 365 days.

Most represented month

June, with 79 of 200 matches recorded in the last 365 days.

These figures use completed PhotoWeather MatchEvent records from the previous 365 days only. They describe recorded forecast matches, not observations, climatological probability, or a guarantee of future conditions.

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80-hour requirements breakdown

When available, the detailed table below covers only the stated 80-hour horizon (typically 72–168 hours, depending on available hourly data). Opportunity records above span the next 14 days, so this table does not explain that entire 14-day period.

What passed or failed, hour by hour
8matching hours in the next 80 hoursJump to next match
AND logic: all conditions required
Meets requirement
Misses requirement
Time
Europe/Rome
Blue Hour
Any
Blue Hour Quality
≥ 65.0%
Precipitation Chance
≤ 15.0%
Sun, Jul 19
06:0022%0%
07:0024%0%
08:0024%0%
09:0025%0%
10:0025%0%
11:0025%0%
12:0025%0%
13:0025%0%
14:0028%0%
15:0028%0%
16:0025%0%
17:0025%0%
18:0025%0%
19:0025%0%
20:0080%0%
21:0079%0%
22:0030%0%
23:0030%0%
Mon, Jul 20
24:0030%0%
01:0030%0%
02:0030%0%
03:0030%0%
04:0030%0%
05:0079%0%
06:0025%0%
07:0025%0%
08:0025%0%
09:0025%0%
10:0025%0%
11:0025%0%
12:0025%0%
13:0025%0%
14:0025%0%
15:0025%0%
16:0025%0%
17:0025%0%
18:0025%0%
19:0025%0%
20:0079%0%
21:0080%0%
22:0031%0%
23:0031%0%
Tue, Jul 21
24:0031%0%
01:0031%0%
02:0031%0%
03:0031%0%
04:0031%0%
05:0080%0%
06:0025%0%
07:0025%0%
08:0025%0%
09:0025%0%
10:0025%0%
11:0025%0%
12:0025%0%
13:0025%0%
14:0025%0%
15:0025%0%
16:0025%0%
17:0025%0%
18:0025%0%
19:0025%0%
20:0081%0%
21:0073%0%
22:0012%0%
23:0011%0%
Wed, Jul 22
24:0011%0%
01:0011%0%
02:0011%0%
03:0011%0%
04:0011%0%
05:0075%0%
06:003.8%0%
07:003.8%0%
08:003.8%0%
09:003.6%0%
10:003.6%0%
11:003.4%0%
12:003.4%0%
13:003.6%0%
How to read: colored cells show whether each predicate requirement is met; highlighted rows mean the full rule matched (an opportunity).

What does Blue Hour Quality mean?

Inputs that drive the score

This 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/Rome
Blue Hour
High Clouds
%
Low Clouds
%
Mid-Level Clouds
%
Relative Humidity
%
Solar Elevation
°
Total Cloud Coverage
%
Visibility
m
Wind Speed
m/s
Sun, Jul 19 Sunrise 05:46 Sunset 20:28
15:00
- 2% 0% 0% 40% 59° 2% 24135m 2.9m/s
16:00
- 0% 0% 0% 39% 49° 0% 24135m 3.1m/s
17:00
- 0% 0% 0% 41% 37° 0% 24134m 2.7m/s
18:00
- 0% 0% 0% 42% 26° 0% 24135m 2.3m/s
19:00
- 0% 0% 0% 45% 15° 0% 24135m 1.7m/s
20:00
- 0% 0% 0% 47% 4.2° 0% 24134m 0.46m/s
21:00
- 0% 0% 0% 49% -5.8° 0% 24135m 0.62m/s
22:00
- 0% 0% 0% 51% -15° 0% 24134m 0.94m/s
23:00
- 0% 0% 0% 54% -22° 0% 24134m 0.94m/s
Mon, Jul 20 Sunrise 05:46 Sunset 20:28
24:00
- 0% 0% 0% 59% -27° 0% 24134m 1.2m/s
01:00
- 0% 0% 0% 61% -29° 0% 24134m 0.57m/s
02:00
- 0% 0% 0% 60% -27° 0% 24135m 1.3m/s
03:00
- 0% 0% 0% 61% -23° 0% 24135m 1.2m/s
04:00
- 0% 0% 0% 61% -17° 0% 24134m 1.3m/s
05:00
- 0% 0% 0% 61% -8.4° 0% 24134m 0.68m/s
06:00
- 0% 0% 2% 60% 1.6° 2% 24134m 0.27m/s
07:00
- 0% 0% 2% 56% 12° 2% 24135m 0.3m/s
08:00
- 0% 0% 4% 50% 23° 4% 24135m 0.55m/s
09:00
- 0% 0% 6% 42% 34° 6% 24134m 0.74m/s
10:00
- 0% 0% 5% 38% 46° 5% 24135m 1.7m/s
11:00
- 0% 0% 0% 34% 56° 0% 24135m 2m/s
12:00
- 0% 0% 0% 34% 65° 0% 24134m 3.1m/s
13:00
- 0% 0% 0% 34% 70° 0% 24134m 3m/s
14:00
- 0% 0% 0% 34% 67° 0% 24134m 3.3m/s
15:00
- 0% 0% 0% 36% 59° 0% 24134m 3.1m/s
16:00
- 0% 0% 0% 35% 48° 0% 24134m 2.5m/s
17:00
- 0% 0% 0% 34% 37° 0% 24135m 2.5m/s
18:00
- 0% 0% 0% 38% 26° 0% 24134m 2.6m/s
19:00
- 0% 0% 0% 39% 15° 0% 24135m 1.7m/s
20:00
- 0% 0% 0% 41% 4.1° 0% 24135m 1m/s
21:00
- 0% 0% 0% 42% -6° 0% 24135m 0.31m/s
22:00
- 0% 0% 0% 44% -15° 0% 24134m 0.88m/s
23:00
- 0% 0% 0% 48% -22° 0% 24135m 0.91m/s
Tue, Jul 21 Sunrise 05:47 Sunset 20:27
24:00
- 0% 0% 0% 51% -27° 0% 24134m 0.75m/s
01:00
- 0% 0% 0% 54% -29° 0% 24134m 0.3m/s
02:00
- 0% 0% 0% 54% -28° 0% 24135m 0.72m/s
03:00
- 0% 0% 0% 55% -24° 0% 24134m 1.2m/s
04:00
- 0% 0% 0% 58% -17° 0% 24134m 1.1m/s
05:00
- 0% 0% 0% 59% -8.5° 0% 24135m 0.92m/s
06:00
- 0% 0% 0% 59% 1.5° 0% 24134m 0.92m/s
07:00
- 0% 0% 0% 54% 12° 0% 24135m 0.97m/s
08:00
- 0% 0% 0% 48% 23° 0% 24135m 0.85m/s
09:00
- 0% 0% 0% 42% 34° 0% 24135m 1.1m/s
10:00
- 0% 0% 0% 38% 45° 0% 24134m 2.3m/s
11:00
- 0% 0% 0% 39% 56° 0% 24135m 2.5m/s
12:00
- 0% 0% 0% 38% 65° 0% 24135m 3.3m/s
13:00
- 0% 0% 0% 37% 70° 0% 24134m 3m/s
14:00
- 0% 0% 0% 35% 67° 0% 24134m 3.1m/s
15:00
- 0% 0% 0% 37% 59° 0% 24134m 3.3m/s
16:00
- 0% 4% 0% 38% 48° 4% 24134m 3.2m/s
17:00
- 0% 0% 0% 40% 37° 0% 24134m 2.9m/s
18:00
- 0% 0% 0% 43% 26° 0% 24135m 2.8m/s
19:00
- 0% 0% 0% 46% 15° 0% 24134m 2.1m/s
20:00
- 0% 0% 0% 50% 0% 24134m 1.9m/s
21:00
- 0% 0% 0% 57% -6.1° 0% 24134m 2.5m/s
22:00
- 0% 0% 0% 64% -15° 0% 24135m 3.2m/s
23:00
- 0% 0% 0% 70% -22° 0% 24135m 3.8m/s
Wed, Jul 22 Sunrise 05:48 Sunset 20:27
24:00
- 0% 0% 0% 70% -27° 0% 24135m 4.2m/s
01:00
- 0% 0% 0% 70% -29° 0% 24135m 4.5m/s
02:00
- 0% 0% 0% 69% -28° 0% 24135m 4.9m/s
03:00
- 0% 0% 0% 68% -24° 0% 24135m 4.1m/s
04:00
- 0% 0% 0% 67% -17° 0% 24135m 3.2m/s
05:00
- 0% 0% 0% 66% -8.7° 0% 24135m 2.4m/s
06:00
- 0% 0% 0% 67% 1.4° 0% 24135m 2.7m/s
07:00
- 0% 0% 0% 68% 12° 0% 24135m 3m/s
08:00
- 0% 0% 0% 70% 23° 0% 24135m 3.3m/s
09:00
- 0% 0% 0% 71% 34° 0% 24135m 4.1m/s
10:00
- 0% 0% 0% 73% 45° 0% 24135m 4.9m/s
11:00
- 0% 0% 0% 75% 56° 0% 24135m 5.6m/s
12:00
- 0% 0% 0% 77% 65° 0% 24135m 4.5m/s
13:00
- 0% 0% 0% 79% 70° 0% 24135m 3.4m/s
14:00
- 0% 0% 0% 80% 67° 0% 24135m 2.3m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

How this forecast is made

Opportunities are threshold-based signals: PhotoWeather checks whether forecast conditions match the rules for a photography scenario. They are planning guidance, not guarantees. Forecasts can change as new model runs arrive, and confidence generally decreases farther into the forecast horizon, so recheck conditions before travelling.

The weather forecast foundation comes through Open-Meteo , which aggregates models from weather agencies. PhotoWeather applies condition-specific thresholds and derived calculations; not every condition uses every model or data input.

Forecast generated

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