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Rule Rainbow Chaser

Rainbow Chaser Forecast for Haleakala, Hawaii

Makawao, Hawaii, United States

Haleakalā's summit overlooks a vast erosional crater filled with cinder cones, whose repeated forms lead toward the island and Pacific horizon.

Currently

Real-time conditions
Rainbow Probability
0%
Sun Elevation68.1° (Daylight)
Local Precipitation0.1mm
Local Rain0.0mm
Local Showers0.0mm
Local Precipitation Chance13%

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Pacific/Honolulu
Next opportunity
Promising Chance of Rainbow
Haleakala
Fri, Aug 7 · 17:00–18:00 · 1h window
Medium confidence
50%
🌈Rainbow Probability93%
Sun Elevation: 26.5° (Daylight)
Local Precipitation: 0.2mm
Local Rain: 0.0mm
Local Showers: 0.1mm
rainbow weather icon
Possible Rainbow at Sunset
Haleakala
Fri, Aug 7 · 18:00–19:00
🌈Rainbow Probability:77.4%
Medium
rainbow weather icon
Tentative Chance of Rainbow
Haleakala
Sun, Aug 9 · 08:00–09:00
🌈Rainbow Probability:60%
Low
rainbow weather icon
Possible Rainbow
Haleakala
Sun, Aug 9 · 17:00–18:00
🌈Rainbow Probability:70%
Low
rainbow weather icon
Tentative Chance of Rainbow
Haleakala
Mon, Aug 10 · 08:00–09:00
🌈Rainbow Probability:60%
Low

How this forecast is evaluated

See which weather signals PhotoWeather uses to identify Rainbow Chaser conditions across Hawaii. The requirements and hourly values below show how those signals apply at Haleakala.

Explore Rainbow Chaser conditions across Hawaii →

Recorded match history

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

Last 30 days
24
recorded matching windows · 57% average confidence
Last 90 days
76
recorded matching windows · 57% average confidence
Last 365 days
142
recorded matching windows · 57% average confidence
Most frequent recorded start hour

17:00 local time, shared by 48 of 142 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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87-hour requirements breakdown

When available, the detailed table below covers only the stated 87-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
2matching hours in the next 87 hoursJump to next match
AND logic: all conditions required
Meets requirement
Misses requirement
Time
Pacific/Honolulu
Rainbow Probability
≥ 60.0%
Visibility
≥ 8000.0m
Tue, Aug 4
18:0037%4409m
19:000%947m
20:000%916m
21:000%911m
22:000%1251m
23:000%11180m
Wed, Aug 5
24:000%24135m
01:000%24134m
02:000%24135m
03:000%24134m
04:000%24134m
05:000%24134m
06:000%24135m
07:000%24134m
08:000%24135m
09:000%24135m
10:000%24135m
11:000%24134m
12:000%24135m
13:000%21110m
14:000%21840m
15:000%24134m
16:0017%24134m
17:0045%24135m
18:0048%9729m
19:000%24134m
20:000%5410m
21:000%15797m
22:000%24135m
23:000%24135m
Thu, Aug 6
24:000%9637m
01:000%6321m
02:000%6661m
03:000%24135m
04:000%24135m
05:000%24135m
06:000%24135m
07:000%15464m
08:0053%8296m
09:000%4926m
10:000%24134m
11:000%24135m
12:000%24135m
13:000%24134m
14:000%24134m
15:000%24134m
16:000%24135m
17:000%24135m
18:000%24135m
19:000%24135m
20:000%13284m
21:000%24134m
22:000%11372m
23:000%7349m
Fri, Aug 7
24:000%5128m
01:000%2822m
02:000%4570m
03:000%24135m
04:000%24134m
05:000%24135m
06:000%12410m
07:000%12765m
08:000%8913m
09:000%9954m
10:000%4053m
11:000%24134m
12:000%24135m
13:000%24134m
14:000%24135m
15:000%23263m
16:0051%8037m
17:0093%8589m
18:0077%9574m
19:000%8337m
20:000%9663m
21:000%14487m
22:000%19311m
23:000%24135m
Sat, Aug 8
24:000%24135m
01:000%24135m
02:000%24135m
03:000%24135m
04:000%24135m
05:000%24135m
06:000%24135m
07:000%24135m
08:000%24135m
How to read: colored cells show whether each predicate requirement is met; highlighted rows mean the full rule matched (an opportunity).

What does Rainbow Probability 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
Pacific/Honolulu
Precipitation Chance
%
Rainfall
mm
Showers
mm
Solar Elevation
°
Sunshine Duration
seconds
Total Cloud Coverage
%
Total Precipitation
mm
Wed, Aug 5 Sunrise 06:01 Sunset 19:00
11:00
13% 0mm 0.04mm 68° 3600seconds 100% 0.06mm
12:00
22% 0mm 0.01mm 82° 3600seconds 98% 0.06mm
13:00
30% 0.04mm 0.09mm 82° 3600seconds 96% 0.13mm
14:00 ☾
39% 0.04mm 0.1mm 69° 3600seconds 99% 0.19mm
15:00 ☾
26% 0.03mm 0.04mm 55° 3600seconds 100% 0.06mm
16:00 ☾
13% 0mm 0.01mm 41° 3600seconds 100% 0.13mm
17:00 ☾
0% 0mm 0.02mm 27° 3600seconds 100% 0.13mm
18:00 ☾
0% 0mm 0.04mm 13° 3600seconds 76% 0.13mm
19:00 ☾
0% 0mm 0.03mm 0.005° 3600seconds 44% 0.19mm
20:00 ☾
0% 0mm 0.02mm -14° 3600seconds 43% 0.19mm
21:00 ☾
13% 0mm 0.01mm -26° 0seconds 47% 0mm
22:00 ☾
26% 0.01mm 0mm -37° 0seconds 70% 0mm
23:00 ☾
39% 0mm 0mm -46° 0seconds 66% 0mm
Thu, Aug 6 Sunrise 06:01 Sunset 19:00
24:00 ☾
53% 0mm 0mm -52° 0seconds 90% 0mm
01:00 ☾
67% 0mm 0mm -52° 0seconds 73% 0mm
02:00 ☾
82% 0mm 0.01mm -47° 0seconds 38% 0.06mm
03:00 ☾
67% 0mm 0.01mm -38° 0seconds 66% 0mm
04:00 ☾
53% 0mm 0mm -27° 0seconds 49% 0mm
05:00 ☾
39% 0mm 0.02mm -14° 0seconds 96% 0mm
06:00 ☾
39% 0mm 0.03mm -0.85° 0seconds 71% 0.06mm
07:00
39% 0mm 0.01mm 12° 0seconds 92% 0.06mm
08:00
39% 0mm 0.01mm 26° 0seconds 86% 0.13mm
09:00
26% 0mm 0.03mm 40° 3600seconds 100% 0mm
10:00
13% 0mm 0.03mm 54° 3600seconds 76% 0.06mm
11:00
0% 0mm 0.06mm 68° 3600seconds 85% 0.13mm
12:00
0% 0mm 0.06mm 81° 3600seconds 81% 0.19mm
13:00
0% 0mm 0.05mm 82° 3600seconds 82% 0.25mm
14:00 ☾
0% 0mm 0.02mm 69° 3600seconds 52% 0.25mm
15:00 ☾
0% 0mm 0.04mm 55° 3600seconds 91% 0mm
16:00 ☾
0% 0mm 0.02mm 41° 3600seconds 94% 0.06mm
17:00 ☾
0% 0mm 0mm 27° 3600seconds 38% 0.06mm
18:00 ☾
0% 0mm 0.01mm 13° 3600seconds 88% 0.06mm
19:00 ☾
0% 0mm 0mm -0.22° 3600seconds 100% 0.06mm
20:00 ☾
0% 0mm 0mm -14° 3600seconds 99% 0.06mm
21:00 ☾
0% 0mm 0mm -26° 0seconds 100% 0mm
22:00 ☾
0% 0mm 0mm -37° 0seconds 100% 0mm
23:00 ☾
0% 0mm 0mm -47° 0seconds 100% 0mm
Fri, Aug 7 Sunrise 06:01 Sunset 18:59
24:00 ☾
0% 0mm 0.01mm -52° 0seconds 96% 0mm
01:00 ☾
0% 0mm 0mm -52° 0seconds 92% 0mm
02:00 ☾
0% 0mm 0mm -47° 0seconds 96% 0mm
03:00 ☾
0% 0mm 0mm -38° 0seconds 82% 0mm
04:00 ☾
0% 0mm 0mm -27° 0seconds 76% 0mm
05:00 ☾
0% 0mm 0mm -14° 0seconds 91% 0mm
06:00 ☾
13% 0mm 0mm -0.95° 0seconds 33% 0mm
07:00
26% 0mm 0mm 12° 0seconds 14% 0mm
08:00
39% 0mm 0.03mm 26° 0seconds 24% 0.06mm
09:00
26% 0mm 0.03mm 40° 3600seconds 54% 0.06mm
10:00
13% 0mm 0.03mm 54° 3600seconds 62% 0.13mm
11:00
0% 0mm 0.01mm 68° 3600seconds 92% 0.13mm
12:00
13% 0mm 0mm 81° 3600seconds 11% 0.13mm
13:00
26% 0mm 0.02mm 82° 3600seconds 28% 0.19mm
14:00 ☾
39% 0mm 0.08mm 68° 3600seconds 39% 0.19mm
15:00 ☾
26% 0mm 0.11mm 54° 3600seconds 50% 0.06mm
16:00 ☾
13% 0mm 0.14mm 40° 3600seconds 84% 0.19mm
17:00 ☾
0% 0mm 0.11mm 27° 3600seconds 58% 0.25mm
18:00 ☾
0% 0.01mm 0.11mm 13° 3600seconds 67% 0.38mm
19:00 ☾
0% 0mm 0.02mm -0.43° 3600seconds 66% 0.38mm
20:00 ☾
0% 0mm 0.02mm -14° 3600seconds 47% 0.44mm
21:00 ☾
0% 0mm 0.01mm -26° 2400seconds 65% 0.31mm
22:00 ☾
0% 0mm 0.007mm -38° 1200seconds 82% 0.19mm
23:00 ☾
0% 0mm 0mm -47° 0seconds 100% 0.06mm
Sat, Aug 8 Sunrise 06:02 Sunset 18:59
24:00 ☾
0% 0mm 0.01mm -52° 0seconds 73% 0.06mm
01:00 ☾
0% 0mm 0.03mm -52° 0seconds 45% 0.06mm
02:00 ☾
0% 0mm 0.04mm -47° 0seconds 18% 0.06mm
03:00 ☾
0% 0mm 0.03mm -38° 1200seconds 14% 0.06mm
04:00 ☾
0% 0mm 0.01mm -27° 2400seconds 11% 0.06mm
05:00 ☾
0% 0mm 0mm -14° 3600seconds 8% 0.06mm
06:00 ☾
7% 0mm 0mm -1° 3600seconds 8% 0.06mm
07:00
15% 0mm 0mm 12° 3600seconds 9% 0.06mm
08:00
22% 0mm 0mm 26° 3600seconds 9% 0.06mm
09:00
15% 0.003mm 0mm 40° 3600seconds 11% 0.04mm
10:00
7% 0.007mm 0mm 54° 3600seconds 12% 0.02mm
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.

How opportunities work → Weather data sources →
Forecast generated

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