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Rule Rainbow Chaser

Hana Highway - Rainbow Chaser - Hawaii

Paia, 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
Possible Rainbow
Hana Highway
Today · 17:00–18:00 · 1h window
Medium confidence
52%
🌈Rainbow Probability70%
Sun Elevation: 27.3° (Daylight)
Precipitation: 0.6mm
Rain: 0.0mm
Showers: 0.2mm
rainbow weather icon
Possible Rainbow at Sunset
Hana Highway
Today · 18:00–19:00
🌈Rainbow Probability:72.5%
Medium
rainbow weather icon
Tentative Chance of Rainbow
Hana Highway
Tomorrow · 16:00–18:00
🌈Rainbow Probability:65.7-80%
Low
rainbow weather icon
Tentative Chance of Rainbow
Hana Highway
Tue, Jun 23 · 07:00–09:00
🌈Rainbow Probability:65%
Low
rainbow weather icon
Tentative Chance of Rainbow
Hana Highway
Tue, Jun 23 · 17:00–18:00
🌈Rainbow Probability:60%
Low
rainbow weather icon
Promising Chance of Rainbow
Hana Highway
Thu, Jun 25 · 07:00–09:00
🌈Rainbow Probability:80-85%
Low
rainbow weather icon
Possible Rainbow
Hana Highway
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
4matching hours in the next 81 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
18:0032%24134m
19:000%24134m
20:000%24134m
21:000%24134m
22:000%24134m
23:000%24134m
Wed, Jun 17
24:000%24134m
01:000%24135m
02:000%24135m
03:000%24134m
04:000%24135m
05:000%24134m
06:000%24135m
07:0045%24135m
08:0045%24135m
09:000%24134m
10:000%24135m
11:000%24135m
12:000%24134m
13:000%24135m
14:000%22130m
15:000%20354m
16:0051%20343m
17:0070%20344m
18:0073%14623m
19:000%20361m
20:000%20476m
21:000%24135m
22:000%24135m
23:000%21344m
Thu, Jun 18
24:000%24134m
01:000%24135m
02:000%24134m
03:000%24134m
04:000%24135m
05:000%24134m
06:000%24135m
07:0045%24134m
08:0045%24135m
09:000%24135m
10:000%24134m
11:000%24134m
12:000%24135m
13:000%24030m
14:000%22602m
15:000%20960m
16:0066%21771m
17:0080%20558m
18:0058%24134m
19:000%24135m
20:000%24134m
21:000%20684m
22:000%21343m
23:000%24134m
Fri, Jun 19
24:000%24134m
01:000%24135m
02:000%24134m
03:000%24135m
04:000%24135m
05:000%24135m
06:000%24134m
07:0045%24135m
08:0045%24134m
09:000%24135m
10:000%24135m
11:000%24134m
12:000%24134m
13:000%24134m
14:000%24134m
15:000%24134m
16:0015%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 0% 0mm
05:00 ☾
0% 0mm 0mm -10° 0seconds 0% 0mm
06:00
27% 0mm 0mm 2.7° 0seconds 0% 0mm
07:00
55% 0mm 0mm 16° 0seconds 0% 0mm
08:00
82% 0mm 0mm 29° 0seconds 0% 0mm
09:00
88% 0mm 0mm 42° 3600seconds 0% 0mm
10:00
93% 0mm 0mm 56° 3600seconds 2% 0mm
11:00
99% 0mm 0mm 70° 3600seconds 6% 0mm
12:00
99% 0mm 0.02mm 83° 3600seconds 10% 0.06mm
13:00
100% 0mm 0.01mm 82° 3600seconds 6% 0.13mm
14:00 ☾
100% 0.01mm 0.12mm 68° 3600seconds 11% 0.19mm
15:00 ☾
99% 0mm 0.21mm 54° 3600seconds 11% 0.19mm
16:00 ☾
97% 0mm 0.16mm 41° 3600seconds 12% 0.44mm
17:00 ☾
96% 0mm 0.23mm 27° 3600seconds 8% 0.63mm
18:00 ☾
96% 0mm 1.2mm 14° 3600seconds 16% 0.94mm
19:00 ☾
97% 0mm 0.07mm 1.3° 3600seconds 2% 1mm
20:00 ☾
98% 0mm 0.05mm -11° 3600seconds 2% 1.1mm
21:00 ☾
91% 0mm 0.01mm -23° 0seconds 2% 0.06mm
22:00 ☾
85% 0mm 0mm -33° 0seconds 3% 0.13mm
23:00 ☾
78% 0mm 0mm -41° 0seconds 3% 0.13mm
Thu, Jun 18 Sunrise 05:44 Sunset 19:08
24:00 ☾
83% 0mm 0.07mm -45° 0seconds 6% 0.13mm
01:00 ☾
89% 0mm 0mm -45° 0seconds 6% 0.19mm
02:00 ☾
94% 0mm 0mm -40° 0seconds 5% 0.19mm
03:00 ☾
89% 0mm 0mm -32° 0seconds 6% 0mm
04:00 ☾
84% 0mm 0mm -22° 0seconds 5% 0mm
05:00 ☾
79% 0mm 0mm -10° 0seconds 4% 0.06mm
06:00
84% 0mm 0mm 2.7° 0seconds 1% 0.06mm
07:00
90% 0mm 0mm 15° 0seconds 0% 0.06mm
08:00
96% 0mm 0mm 29° 0seconds 1% 0.06mm
09:00
96% 0mm 0mm 42° 3600seconds 1% 0mm
10:00
96% 0mm 0mm 56° 3600seconds 3% 0mm
11:00
97% 0mm 0.01mm 70° 3600seconds 8% 0mm
12:00
97% 0.01mm 0.02mm 83° 3600seconds 10% 0.06mm
13:00
97% 0.01mm 0.04mm 82° 3600seconds 10% 0.13mm
14:00 ☾
98% 0.04mm 0.32mm 68° 3600seconds 13% 0.31mm
15:00 ☾
82% 0.04mm 0.14mm 55° 3600seconds 15% 0.25mm
16:00 ☾
67% 0.01mm 0.11mm 41° 3600seconds 35% 0.5mm
17:00 ☾
52% 0mm 0mm 27° 3600seconds 28% 0.69mm
18:00 ☾
52% 0mm 0mm 14° 3600seconds 13% 0.75mm
19:00 ☾
53% 0mm 0mm 1.4° 3600seconds 19% 0.75mm
20:00 ☾
54% 0mm 0mm -11° 3600seconds 6% 0.81mm
21:00 ☾
36% 0mm 0.14mm -23° 0seconds 9% 0.06mm
22:00 ☾
18% 0mm 0mm -33° 0seconds 10% 0.06mm
23:00 ☾
0% 0mm 0mm -41° 0seconds 9% 0.06mm
Fri, Jun 19 Sunrise 05:45 Sunset 19:08
24:00 ☾
0% 0mm 0mm -45° 0seconds 10% 0.06mm
01:00 ☾
0% 0mm 0mm -45° 0seconds 10% 0.06mm
02:00 ☾
0% 0mm 0mm -40° 0seconds 10% 0.06mm
03:00 ☾
2% 0mm 0mm -32° 0seconds 4% 0mm
04:00 ☾
3% 0mm 0mm -22° 0seconds 2% 0mm
05:00 ☾
5% 0mm 0mm -10° 0seconds 0% 0mm
06:00
9% 0mm 0mm 2.6° 0seconds 0% 0mm
07:00
13% 0mm 0mm 15° 0seconds 0% 0mm
08:00
18% 0mm 0mm 29° 0seconds 3% 0mm
09:00
17% 0mm 0mm 42° 3600seconds 3% 0mm
10:00
16% 0mm 0mm 56° 3600seconds 4% 0mm
11:00
15% 0mm 0.01mm 70° 3600seconds 10% 0mm
12:00
23% 0mm 0.01mm 83° 3600seconds 10% 0mm
13:00
31% 0mm 0mm 82° 3600seconds 14% 0mm
14:00 ☾
39% 0mm 0mm 68° 3600seconds 10% 0mm
15:00 ☾
27% 0mm 0mm 55° 2400seconds 7% 0mm
16:00 ☾
15% 0mm 0mm 41° 1200seconds 4% 0mm
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 19:09
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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