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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-49.8° (Astronomical night)
Precipitation3.9mm
Rain1.9mm
Showers1.1mm

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Pacific/Honolulu
Next opportunity
Very Good Chance of Rainbow
Haleakala
Wed, Mar 18 · 08:00–10:00 · 2h window
Low confidence
23%
🌈Rainbow Probability70%
Sun Elevation: 20.0° (Daylight)
Precipitation: 1.5mm
Rain: 0.1mm
Showers: 0.3mm
rainbow weather icon
Very Good Chance of Rainbow
Haleakala
Thu, Mar 19 · 08:00–10:00
🌈Rainbow Probability:70-80%
Low
rainbow weather icon
Very Good Chance of Rainbow
Haleakala
Thu, Mar 19 · 16:00–17:00
🌈Rainbow Probability:78.8%
Medium
rainbow weather icon
Very Good Chance of Rainbow
Haleakala
Fri, Mar 20 · 08:00–10:00
🌈Rainbow Probability:65-70%
Low
rainbow weather icon
Good Chance of Rainbow
Haleakala
Fri, Mar 20 · 16:00–17:00
🌈Rainbow Probability:68.3%
Low
rainbow weather icon
Very Good Chance of Rainbow
Haleakala
Sun, Mar 22 · 08:00–10:00
🌈Rainbow Probability:70%
Low
rainbow weather icon
Very Good Chance of Rainbow
Haleakala
Tue, Mar 24 · 08:00–09:00
🌈Rainbow Probability:70%
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
0matching hours in the next 80 hours
AND logic: all conditions required
Meets requirement
Misses requirement
Time
Pacific/Honolulu
Rainbow Probability
≥ 60.0%
Visibility
≥ 8000.0m
Sat, Mar 14
18:000%65m
19:000%56m
20:000%67m
21:000%53m
22:000%57m
23:000%57m
Sun, Mar 15
24:000%66m
01:000%222m
02:000%50m
03:000%54m
04:000%44m
05:000%233m
06:000%52m
07:000%40m
08:000%42m
09:000%46m
10:000%36m
11:000%43m
12:000%40m
13:000%40m
14:000%41m
15:000%41m
16:0062%113m
17:0062%197m
18:000%70m
19:000%53m
20:000%52m
21:000%57m
22:000%62m
23:000%53m
Mon, Mar 16
24:000%51m
01:000%49m
02:000%54m
03:000%63m
04:000%54m
05:000%58m
06:000%55m
07:000%52m
08:000%54m
09:000%59m
10:000%50m
11:000%55m
12:000%48m
13:000%52m
14:000%55m
15:000%42m
16:0067%44m
17:0067%40m
18:0038%44m
19:000%60m
20:000%59m
21:000%509m
22:000%743m
23:000%748m
Tue, Mar 17
24:000%705m
01:000%577m
02:000%820m
03:000%1795m
04:000%1316m
05:000%794m
06:000%1201m
07:0029%184m
08:000%116m
09:000%2372m
10:000%4629m
11:000%6885m
12:000%5549m
13:000%4213m
14:000%2877m
15:000%3972m
16:000%5066m
17:000%6161m
18:000%8194m
19:000%10227m
20:000%12259m
21:000%15884m
22:000%19509m
23:000%23133m
Wed, Mar 18
24:000%19445m
01:000%15757m
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
Sun, Mar 15 Sunrise 06:33 Sunset 18:34
03:00 ☾
91% 1.9mm 1.1mm -50° 0seconds 100% 3.9mm
04:00 ☾
83% 0.7mm 0.52mm -36° 0seconds 100% 7.7mm
05:00 ☾
74% 13mm 0.84mm -23° 0seconds 100% 21mm
06:00 ☾
81% 2.9mm 0.7mm -8.6° 0seconds 96% 36mm
07:00 ☾
87% 0.51mm 0.7mm 5.5° 0seconds 100% 40mm
08:00 ☾
93% 0.88mm 0.99mm 19° 0seconds 100% 42mm
09:00 ☾
93% 0.47mm 1.2mm 33° 0seconds 98% 2.2mm
10:00 ☾
92% 0.14mm 1.8mm 46° 0seconds 96% 3.7mm
11:00 ☾
91% 0.12mm 1.1mm 58° 0seconds 77% 4.9mm
12:00 ☾
91% 0.54mm 0.46mm 66° 0seconds 93% 6.1mm
13:00 ☾
90% 0.03mm 0.34mm 66° 0seconds 81% 6.9mm
14:00 ☾
90% 0.06mm 0.39mm 59° 0seconds 92% 7.4mm
15:00 ☾
82% 0.28mm 0.37mm 48° 3600seconds 84% 0.56mm
16:00 ☾
74% 0.35mm 0.25mm 35° 3600seconds 96% 1.3mm
17:00 ☾
66% 0.44mm 0.44mm 21° 0seconds 92% 2.3mm
18:00 ☾
72% 0.36mm 0.33mm 7.4° 0seconds 96% 3.2mm
19:00 ☾
78% 0.23mm 0.25mm -6.7° 0seconds 92% 4.1mm
20:00 ☾
84% 0.05mm 0.36mm -21° 0seconds 100% 4.6mm
21:00 ☾
78% 0.32mm 0.64mm -34° 0seconds 99% 0.81mm
22:00 ☾
72% 0.2mm 0.35mm -48° 0seconds 98% 1.4mm
23:00 ☾
65% 0.13mm 0.47mm -60° 0seconds 100% 2mm
Mon, Mar 16 Sunrise 06:32 Sunset 18:34
24:00 ☾
71% 0mm 0.52mm -69° 0seconds 81% 2.5mm
01:00 ☾
76% 0.02mm 0.47mm -70° 0seconds 94% 3.2mm
02:00 ☾
81% 0.16mm 0.79mm -62° 0seconds 99% 4.2mm
03:00 ☾
79% 0.82mm 1.5mm -50° 0seconds 100% 1.8mm
04:00 ☾
77% 0.1mm 1.2mm -36° 0seconds 96% 3.4mm
05:00 ☾
75% 0.06mm 1mm -22° 0seconds 94% 4.7mm
06:00 ☾
72% 0.09mm 0.8mm -8.4° 0seconds 84% 5.7mm
07:00 ☾
70% 0.18mm 1.3mm 5.7° 0seconds 100% 6.6mm
08:00 ☾
67% 0.4mm 1.8mm 20° 0seconds 100% 8.3mm
09:00 ☾
64% 0.63mm 1.4mm 33° 0seconds 99% 2.1mm
10:00 ☾
61% 0.04mm 1.2mm 46° 0seconds 99% 3.7mm
11:00 ☾
57% 0.16mm 1.2mm 58° 0seconds 98% 4.8mm
12:00 ☾
62% 0.19mm 0.96mm 66° 0seconds 98% 5.9mm
13:00 ☾
67% 0.1mm 0.44mm 67° 0seconds 97% 6.8mm
14:00 ☾
72% 0.03mm 0.47mm 59° 0seconds 98% 7.3mm
15:00 ☾
71% 0.27mm 0.76mm 48° 3600seconds 99% 0.75mm
16:00 ☾
69% 0.57mm 0.95mm 35° 3600seconds 98% 1.8mm
17:00 ☾
68% 0.06mm 0.73mm 21° 0seconds 92% 2.9mm
18:00 ☾
71% 0mm 1mm 7.5° 0seconds 90% 3.8mm
19:00 ☾
73% 0.11mm 1.1mm -6.6° 0seconds 100% 4.8mm
20:00 ☾
76% 0.01mm 0.71mm -21° 0seconds 92% 5.9mm
21:00 ☾
58% 0mm 0.97mm -34° 0seconds 99% 0.69mm
22:00 ☾
41% 0mm 0.7mm -48° 0seconds 96% 1.3mm
23:00 ☾
23% 0mm 0.45mm -60° 0seconds 99% 1.8mm
Tue, Mar 17 Sunrise 06:31 Sunset 18:34
24:00 ☾
30% 0.03mm 0.49mm -69° 0seconds 100% 2.2mm
01:00 ☾
38% 0.04mm 0.36mm -69° 0seconds 99% 2.6mm
02:00 ☾
45% 0.02mm 0.16mm -61° 0seconds 100% 2.9mm
03:00 ☾
58% 0.02mm 0.12mm -49° 0seconds 100% 0.19mm
04:00 ☾
72% 0.01mm 0.15mm -36° 0seconds 98% 0.44mm
05:00 ☾
86% 0.01mm 0.32mm -22° 0seconds 100% 0.69mm
06:00 ☾
87% 0.03mm 0.27mm -8.2° 0seconds 96% 1.1mm
07:00 ☾
88% 0.13mm 0.29mm 5.9° 0seconds 94% 1.4mm
08:00 ☾
89% 0.51mm 0.28mm 20° 0seconds 100% 2.1mm
09:00 ☾
86% 0.43mm 0.2mm 33° 0seconds 100% 2.3mm
10:00 ☾
84% 0.35mm 0.11mm 47° 0seconds 100% 2.6mm
11:00 ☾
81% 0.27mm 0.03mm 58° 0seconds 100% 2.9mm
12:00 ☾
84% 0.65mm 0.04mm 67° 0seconds 100% 3.3mm
13:00 ☾
87% 1mm 0.06mm 67° 0seconds 100% 3.8mm
14:00 ☾
90% 1.4mm 0.07mm 60° 0seconds 100% 4.2mm
15:00 ☾
79% 1.1mm 0.06mm 48° 0seconds 100% 3.7mm
16:00 ☾
68% 0.78mm 0.04mm 35° 0seconds 100% 3.3mm
17:00 ☾
56% 0.47mm 0.03mm 21° 0seconds 100% 2.8mm
18:00 ☾
64% 0.38mm 0.02mm 7.6° 0seconds 100% 3.3mm
19:00 ☾
72% 0.28mm 0.01mm -6.5° 0seconds 100% 3.8mm
20:00 ☾
80% 0.19mm 0mm -21° 0seconds 100% 4.3mm
21:00 ☾
76% 0.13mm 0.02mm -34° 0seconds 100% 2.9mm
22:00 ☾
72% 0.08mm 0.03mm -48° 0seconds 100% 1.6mm
23:00 ☾
68% 0.02mm 0.05mm -60° 0seconds 100% 0.31mm
Wed, Mar 18 Sunrise 06:30 Sunset 18:35
24:00 ☾
68% 0.03mm 0.06mm -68° 0seconds 89% 0.44mm
01:00 ☾
68% 0.05mm 0.06mm -69° 0seconds 79% 0.56mm
02:00 ☾
68% 0.06mm 0.07mm -61° 0seconds 68% 0.69mm
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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