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Rule Rainbow Chaser

Hilo - Rainbow Chaser - Hawaii

Hilo, Hawaii, United States

Sun breaking through rain — perfect rainbow conditions

Currently

Real-time conditions
Rainbow Probability
0%
Sun Elevation57.2° (Daylight)
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
Hilo
Mon, Jun 15 · 07:00–09:00 · 2h window
Low confidence
34%
🌈Rainbow Probability80%
Sun Elevation: 16.3° (Daylight)
Precipitation: 2.1mm
Rain: 0.0mm
Showers: 0.1mm
rainbow weather icon
Possible Rainbow
Hilo
Tue, Jun 16 · 07:00–09:00
🌈Rainbow Probability:70%
Low
rainbow weather icon
Possible Rainbow
Hilo
Wed, Jun 17 · 07:00–09:00
🌈Rainbow Probability:70%
Low
rainbow weather icon
Promising Chance of Rainbow
Hilo
Fri, Jun 19 · 07:00–09:00
🌈Rainbow Probability:85%
Low
rainbow weather icon
Possible Rainbow
Hilo
Fri, Jun 19 · 16:00–18:00
🌈Rainbow Probability:72.7-78%
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
Fri, Jun 12
09:000%24135m
10:000%24134m
11:000%24134m
12:000%24135m
13:000%24135m
14:000%24134m
15:000%24135m
16:000%24134m
17:000%24135m
18:000%24135m
19:000%24135m
20:000%24134m
21:000%24135m
22:000%24135m
23:000%24134m
Sat, Jun 13
24:000%24134m
01:000%24135m
02:000%24135m
03:000%24135m
04:000%24135m
05:000%24135m
06:000%24134m
07:000%24135m
08:000%24135m
09:000%24135m
10:000%24134m
11:000%24135m
12:000%24134m
13:000%24134m
14:000%24134m
15:000%24134m
16:000%24134m
17:000%24134m
18:000%24135m
19:000%24135m
20:000%24134m
21:000%24135m
22:000%24135m
23:000%24135m
Sun, Jun 14
24:000%24134m
01:000%24135m
02:000%24134m
03:000%24135m
04:000%24135m
05:000%24134m
06:000%24134m
07:000%24135m
08:000%24135m
09:000%24135m
10:000%24134m
11:000%24135m
12:000%24135m
13:000%24134m
14:000%24135m
15:000%24134m
16:0024%24134m
17:0045%24134m
18:0028%24134m
19:000%24135m
20:000%19852m
21:000%20149m
22:000%23691m
23:000%24134m
Mon, Jun 15
24:000%24135m
01:000%23654m
02:000%21604m
03:000%17993m
04:000%13518m
05:000%18366m
06:000%24135m
07:0080%21933m
08:0080%24135m
09:000%24134m
10:000%24134m
11:000%24135m
12:000%24134m
13:000%24135m
14:000%24134m
15:000%24134m
16:0049%24135m
17:000%24135m
18:0038%24135m
19:000%24135m
20:000%24135m
21:000%24135m
22:000%24135m
23:000%24135m
Tue, Jun 16
24:000%24135m
01:000%24135m
02:000%24135m
03:000%24135m
04:000%24135m
05:000%24135m
06:000%24135m
07:0070%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
Sat, Jun 13 Sunrise 05:41 Sunset 18:59
10:00
0% 0mm 0mm 57° 3600seconds 3% 0mm
11:00
0% 0mm 0mm 71° 3600seconds 3% 0mm
12:00
0% 0mm 0mm 84° 3600seconds 1% 0mm
13:00
0% 0mm 0mm 80° 3600seconds 0% 0mm
14:00 ☾
0% 0mm 0mm 67° 3600seconds 1% 0mm
15:00 ☾
0% 0mm 0mm 53° 3600seconds 1% 0mm
16:00 ☾
0% 0mm 0mm 39° 3600seconds 1% 0mm
17:00 ☾
0% 0mm 0mm 26° 3600seconds 0% 0mm
18:00 ☾
0% 0mm 0mm 12° 3600seconds 1% 0mm
19:00 ☾
0% 0mm 0mm -0.44° 3600seconds 0% 0mm
20:00 ☾
0% 0mm 0mm -13° 3600seconds 5% 0mm
21:00 ☾
0% 0mm 0mm -25° 0seconds 5% 0mm
22:00 ☾
0% 0mm 0mm -35° 0seconds 5% 0mm
23:00 ☾
0% 0.01mm 0mm -43° 0seconds 5% 0mm
Sun, Jun 14 Sunrise 05:41 Sunset 19:00
24:00 ☾
0% 0mm 0mm -47° 0seconds 0% 0mm
01:00 ☾
0% 0mm 0mm -46° 0seconds 0% 0mm
02:00 ☾
0% 0mm 0mm -41° 0seconds 0% 0mm
03:00 ☾
0% 0mm 0mm -32° 0seconds 0% 0mm
04:00 ☾
0% 0mm 0mm -21° 0seconds 0% 0mm
05:00 ☾
0% 0mm 0mm -9.4° 0seconds 0% 0mm
06:00
0% 0mm 0mm 3.4° 0seconds 0% 0mm
07:00
0% 0mm 0mm 16° 0seconds 0% 0mm
08:00
0% 0mm 0mm 30° 0seconds 0% 0mm
09:00
0% 0mm 0mm 43° 3600seconds 0% 0mm
10:00
0% 0mm 0mm 57° 3600seconds 0% 0mm
11:00
0% 0mm 0mm 71° 3600seconds 0% 0mm
12:00
19% 0mm 0mm 84° 3600seconds 0% 0mm
13:00
37% 0mm 0mm 80° 3600seconds 0% 0mm
14:00 ☾
56% 0mm 0mm 67° 3600seconds 0% 0mm
15:00 ☾
65% 0mm 0mm 53° 3600seconds 0% 0mm
16:00 ☾
73% 0mm 0mm 39° 3600seconds 0% 0mm
17:00 ☾
82% 0mm 0mm 26° 3600seconds 0% 0mm
18:00 ☾
85% 0mm 0.02mm 12° 3600seconds 1% 0mm
19:00 ☾
88% 0mm 0.03mm -0.34° 3600seconds 7% 0mm
20:00 ☾
90% 0mm 0.24mm -13° 3600seconds 15% 0.06mm
21:00 ☾
88% 0mm 0.26mm -25° 0seconds 22% 0.25mm
22:00 ☾
85% 0mm 0.18mm -35° 0seconds 24% 0.38mm
23:00 ☾
83% 0mm 0.1mm -43° 0seconds 23% 0.5mm
Mon, Jun 15 Sunrise 05:41 Sunset 19:00
24:00 ☾
83% 0mm 0.08mm -47° 0seconds 12% 0.63mm
01:00 ☾
84% 0mm 0.17mm -46° 0seconds 52% 0.75mm
02:00 ☾
85% 0mm 0.25mm -41° 0seconds 78% 1mm
03:00 ☾
72% 0mm 0.32mm -32° 0seconds 57% 0.38mm
04:00 ☾
60% 0mm 0.48mm -21° 0seconds 81% 0.88mm
05:00 ☾
48% 0mm 0.51mm -9.5° 0seconds 62% 1.4mm
06:00
53% 0mm 0.41mm 3.4° 0seconds 77% 1.8mm
07:00
58% 0.03mm 0.14mm 16° 0seconds 74% 2.1mm
08:00
64% 0mm 0.11mm 30° 0seconds 54% 2.3mm
09:00
43% 0mm 0.07mm 43° 3600seconds 21% 0.06mm
10:00
21% 0mm 0.02mm 57° 3600seconds 12% 0.13mm
11:00
0% 0mm 0.02mm 71° 3600seconds 6% 0.19mm
12:00
13% 0mm 0.02mm 84° 3600seconds 72% 0.19mm
13:00
26% 0mm 0.01mm 80° 3600seconds 55% 0.25mm
14:00 ☾
39% 0.01mm 0mm 67° 3600seconds 2% 0.25mm
15:00 ☾
39% 0.007mm 0.003mm 53° 2400seconds 35% 0.19mm
16:00 ☾
39% 0.003mm 0.007mm 39° 1200seconds 68% 0.13mm
17:00 ☾
39% 0mm 0.01mm 26° 0seconds 100% 0.06mm
18:00 ☾
45% 0mm 0.007mm 12° 0seconds 87% 0.06mm
19:00 ☾
50% 0mm 0.003mm -0.25° 0seconds 74% 0.06mm
20:00 ☾
56% 0mm 0mm -13° 0seconds 61% 0.06mm
21:00 ☾
50% 0mm 0mm -25° 0seconds 74% 0.04mm
22:00 ☾
45% 0mm 0mm -35° 0seconds 87% 0.02mm
23:00 ☾
39% 0mm 0mm -43° 0seconds 100% 0mm
Tue, Jun 16 Sunrise 05:41 Sunset 19:00
24:00 ☾
45% 0mm 0mm -47° 0seconds 100% 0mm
01:00 ☾
50% 0mm 0mm -46° 0seconds 100% 0mm
02:00 ☾
56% 0mm 0mm -41° 0seconds 100% 0mm
03:00 ☾
50% 0mm 0mm -32° 1200seconds 70% 0mm
04:00 ☾
45% 0mm 0mm -21° 2400seconds 40% 0mm
05:00 ☾
39% 0mm 0mm -9.5° 3600seconds 9% 0mm
06:00
39% 0.003mm 0mm 3.3° 3600seconds 22% 0mm
07:00
39% 0.007mm 0mm 16° 3600seconds 35% 0mm
08:00
39% 0.01mm 0mm 30° 3600seconds 48% 0mm
09:00
39% 0.007mm 0mm 43° 3600seconds 50% 0.02mm
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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