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Rule Rainbow Chaser

Haleakala - Rainbow Chaser - Hawaii

Makawao, Hawaii, United States

Sun breaking through rain — perfect rainbow conditions

Currently

Real-time conditions
Rainbow Probability
0%
Sun Elevation-21.7° (Astronomical night)
Precipitation0.0mm
Rain0.0mm
Showers0.0mm

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Pacific/Honolulu
Next opportunity
Promising Chance of Rainbow at Sunset
Haleakala
Today · 18:00–19:00 · 1h window
Medium confidence
56%
🌈Rainbow Probability85.3%
Sun Elevation: 13.9° (Daylight)
Precipitation: 1.8mm
Rain: 0.0mm
Showers: 0.6mm
rainbow weather icon
Tentative Chance of Rainbow
Haleakala
Tue, Jun 23 · 07:00–09:00
🌈Rainbow Probability:65%
Low
rainbow weather icon
Tentative Chance of Rainbow
Haleakala
Tue, Jun 23 · 17:00–18:00
🌈Rainbow Probability:60%
Low
rainbow weather icon
Promising Chance of Rainbow
Haleakala
Thu, Jun 25 · 07:00–09:00
🌈Rainbow Probability:80-85%
Low
rainbow weather icon
Possible Rainbow
Haleakala
Fri, Jun 26 · 07:00–09:00
🌈Rainbow Probability:70-80%
Low

What this forecast looks for

Plain-language explanation from the rule

This forecast tracks Hawaii's world-famous rainbow conditions. We analyze sun position, precipitation patterns, cloud breaks, and visibility to predict when and where rainbows are most likely to appear.

Hawaii sees more rainbows than almost anywhere else on Earth. The combination of consistent trade winds, abundant tropical showers, and reliable sunshine creates the perfect recipe. In Hawaiian culture, rainbows (ānuenue) hold deep spiritual significance—they're even on the state license plate.

What makes Hawaii special for rainbow photography:

  • Frequency - Trade wind showers and sunshine create multiple daily rainbow opportunities
  • Dramatic backdrops - Volcanic peaks, waterfalls, and tropical valleys frame the arcs
  • Double rainbows - Common in Hawaii due to intense tropical light
  • Accessibility - Rainbows appear frequently in easily-reached locations

Rainbows are most common in the morning and late afternoon when sun angle is optimal. The windward (east/north) sides of islands see more rain and therefore more rainbows. Look for conditions where sun breaks through behind you while rain falls ahead—our forecast helps identify these alignments. The Hana Highway on Maui and Hilo on the Big Island are particularly reliable rainbow zones.

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72-hour requirements breakdown

What passed or failed, hour by hour
3matching hours in the next 95 hoursJump to next match
AND logic: all conditions required
Meets requirement
Misses requirement
Time
Pacific/Honolulu
Rainbow Probability
≥ 60.0%
Visibility
≥ 8000.0m
Tue, Jun 16
04:000%9798m
05:000%10569m
06:000%9511m
07:0053%9850m
08:0045%24135m
09:000%24135m
10:000%24134m
11:000%24134m
12:000%22981m
13:000%17981m
14:000%20365m
15:000%1537m
16:0044%814m
17:0093%8794m
18:0070%8482m
19:000%8442m
20:000%8372m
21:000%8314m
22:000%8337m
23:000%6448m
Wed, Jun 17
24:000%7394m
01:000%24135m
02:000%24135m
03:000%24134m
04:000%11353m
05:000%9715m
06:000%10841m
07:0045%24135m
08:0045%24135m
09:000%24134m
10:000%24135m
11:000%24135m
12:000%21281m
13:000%19258m
14:000%15131m
15:000%10866m
16:0059%8287m
17:0095%5277m
18:0085%8232m
19:000%8231m
20:000%14593m
21:000%3012m
22:000%4319m
23:000%10633m
Thu, Jun 18
24:000%13143m
01:000%24135m
02:000%24134m
03:000%24134m
04:000%24135m
05:000%24134m
06:000%24135m
07:0055%24134m
08:0055%14208m
09:000%24135m
10:000%7055m
11:000%6466m
12:000%469m
13:000%197m
14:000%221m
15:000%213m
16:000%232m
17:000%491m
18:0057%5735m
19:000%5593m
20:000%471m
21:000%208m
22:000%200m
23:000%342m
Fri, Jun 19
24:000%291m
01:000%488m
02:000%716m
03:000%439m
04:000%9079m
05:000%12882m
06:000%11136m
07:0047%2836m
08:0055%24134m
09:000%24135m
10:000%24135m
11:000%23414m
12:000%24134m
13:000%24134m
14:000%24134m
15:000%24134m
16:0026%24134m
17:0045%24135m
18:0033%24135m
19:000%24135m
20:000%24135m
21:000%24135m
22:000%24135m
23:000%24135m
Sat, Jun 20
24:000%24135m
01:000%24135m
02:000%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, Jun 17 Sunrise 05:44 Sunset 19:08
04:00 ☾
0% 0mm 0mm -22° 0seconds 18% 0mm
05:00 ☾
0% 0mm 0mm -10° 0seconds 7% 0mm
06:00
27% 0mm 0mm 2.7° 0seconds 5% 0mm
07:00
55% 0mm 0mm 16° 0seconds 2% 0mm
08:00
82% 0mm 0mm 29° 0seconds 1% 0mm
09:00
88% 0mm 0mm 42° 3600seconds 1% 0mm
10:00
93% 0mm 0mm 56° 3600seconds 10% 0mm
11:00
99% 0mm 0.06mm 70° 3600seconds 46% 0mm
12:00
99% 0mm 0.13mm 83° 3600seconds 63% 0.19mm
13:00
100% 0mm 0.31mm 82° 3600seconds 60% 0.44mm
14:00 ☾
100% 0mm 0.48mm 68° 3600seconds 62% 0.94mm
15:00 ☾
99% 0mm 0.54mm 54° 3600seconds 74% 0.44mm
16:00 ☾
97% 0mm 0.29mm 41° 3600seconds 72% 0.88mm
17:00 ☾
96% 0.01mm 0.57mm 27° 3600seconds 65% 1.3mm
18:00 ☾
96% 0mm 0.57mm 14° 3600seconds 59% 1.8mm
19:00 ☾
97% 0mm 0.24mm 1.3° 3600seconds 55% 2.1mm
20:00 ☾
98% 0mm 0.14mm -11° 3600seconds 61% 2.3mm
21:00 ☾
91% 0mm 0.08mm -23° 0seconds 64% 0.13mm
22:00 ☾
85% 0mm 0.12mm -33° 0seconds 44% 0.25mm
23:00 ☾
78% 0mm 0.02mm -41° 0seconds 40% 0.31mm
Thu, Jun 18 Sunrise 05:44 Sunset 19:08
24:00 ☾
83% 0mm 0.02mm -45° 0seconds 45% 0.38mm
01:00 ☾
89% 0mm 0.01mm -45° 0seconds 54% 0.38mm
02:00 ☾
94% 0mm 0.03mm -40° 0seconds 45% 0.38mm
03:00 ☾
89% 0mm 0mm -32° 0seconds 52% 0mm
04:00 ☾
84% 0mm 0mm -22° 0seconds 38% 0.06mm
05:00 ☾
79% 0mm 0mm -10° 0seconds 37% 0.06mm
06:00
84% 0mm 0.01mm 2.7° 0seconds 39% 0.06mm
07:00
90% 0mm 0.01mm 16° 0seconds 37% 0.06mm
08:00
96% 0mm 0.01mm 29° 0seconds 44% 0.13mm
09:00
96% 0mm 0.01mm 42° 3600seconds 58% 0mm
10:00
96% 0mm 0.21mm 56° 3600seconds 72% 0.13mm
11:00
97% 0mm 0.18mm 70° 3600seconds 80% 0.31mm
12:00
97% 0.17mm 0.3mm 83° 3600seconds 85% 0.63mm
13:00
97% 0.43mm 0.24mm 82° 3600seconds 90% 1.1mm
14:00 ☾
98% 0.72mm 0.42mm 68° 3600seconds 97% 1.8mm
15:00 ☾
82% 0.86mm 0.22mm 54° 0seconds 95% 1.2mm
16:00 ☾
67% 0.25mm 0.25mm 41° 0seconds 100% 2.1mm
17:00 ☾
52% 0.05mm 0.15mm 27° 0seconds 99% 2.5mm
18:00 ☾
52% 0.02mm 0.02mm 14° 0seconds 88% 2.7mm
19:00 ☾
53% 0.03mm 0.1mm 1.3° 0seconds 80% 2.8mm
20:00 ☾
54% 0.01mm 0.09mm -11° 0seconds 82% 3mm
21:00 ☾
36% 0.04mm 0.08mm -23° 0seconds 86% 0.19mm
22:00 ☾
18% 0.02mm 0.05mm -33° 0seconds 81% 0.31mm
23:00 ☾
0% 0mm 0.03mm -41° 0seconds 72% 0.38mm
Fri, Jun 19 Sunrise 05:44 Sunset 19:08
24:00 ☾
0% 0.04mm 0.04mm -45° 0seconds 76% 0.44mm
01:00 ☾
0% 0mm 0.06mm -45° 0seconds 76% 0.5mm
02:00 ☾
0% 0mm 0.05mm -40° 0seconds 74% 0.56mm
03:00 ☾
2% 0mm 0.05mm -32° 0seconds 63% 0mm
04:00 ☾
3% 0mm 0.02mm -22° 0seconds 49% 0.06mm
05:00 ☾
5% 0mm 0.01mm -10° 0seconds 43% 0.06mm
06:00
9% 0mm 0.01mm 2.7° 0seconds 19% 0.06mm
07:00
13% 0mm 0.01mm 15° 0seconds 23% 0.06mm
08:00
18% 0mm 0mm 29° 0seconds 16% 0.06mm
09:00
17% 0mm 0mm 42° 3600seconds 14% 0mm
10:00
16% 0mm 0.02mm 56° 3600seconds 35% 0mm
11:00
15% 0mm 0.07mm 70° 3600seconds 61% 0.06mm
12:00
23% 0mm 0.04mm 83° 3600seconds 66% 0.06mm
13:00
31% 0mm 0.04mm 82° 3600seconds 44% 0.13mm
14:00 ☾
39% 0mm 0.03mm 68° 3600seconds 45% 0.13mm
15:00 ☾
27% 0mm 0.02mm 55° 2400seconds 30% 0.08mm
16:00 ☾
15% 0mm 0.01mm 41° 1200seconds 15% 0.04mm
17:00 ☾
3% 0mm 0mm 27° 0seconds 0% 0mm
18:00 ☾
2% 0mm 0mm 14° 0seconds 0% 0mm
19:00 ☾
1% 0mm 0mm 1.4° 0seconds 0% 0mm
20:00 ☾
0% 0mm 0mm -11° 0seconds 0% 0mm
21:00 ☾
0% 0mm 0mm -23° 0seconds 0% 0mm
22:00 ☾
1% 0mm 0mm -33° 0seconds 0% 0mm
23:00 ☾
1% 0mm 0mm -41° 0seconds 0% 0mm
Sat, Jun 20 Sunrise 05:45 Sunset 19:08
24:00 ☾
1% 0mm 0mm -45° 0seconds 0% 0mm
01:00 ☾
0% 0mm 0mm -45° 0seconds 0% 0mm
02:00 ☾
0% 0mm 0mm -40° 0seconds 0% 0mm
03:00 ☾
1% 0mm 0mm -32° 1200seconds 3% 0mm
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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