What conditions does Rainbow Chaser look for?

Rainbow Probability: ≥ 60.0%. Visibility: ≥ 8000.0m

How often do conditions match?

There are 13 upcoming opportunity windows in the next 10 days.

More Rainbow Chaser in Hawaii

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Rule Rainbow Chaser

Waimea Canyon - Rainbow Chaser - Hawaii

Lihue, Hawaii, United States

Sun breaking through rain — perfect rainbow conditions

Currently

Real-time conditions

Rainbow Probability

Sun Elevation-23.2° (Astronomical night)

Precipitation0.1mm

Rain0.0mm

Showers0.1mm

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Pacific/Honolulu

Next opportunity

Possible Rainbow

Waimea Canyon

Today · 07:00–09:00 · 2h window

Medium confidence

42%

🌈Rainbow Probability65.7-80%

Sun Elevation: 26.5° (Daylight)

Precipitation: 0.7mm

Rain: 0.0mm

Showers: 0.2mm

Promising Chance of Rainbow

Waimea Canyon

Sun, Jun 21 · 07:00–10:00

🌈Rainbow Probability:61.4-85%

Low

Possible Rainbow

Waimea Canyon

Mon, Jun 22 · 07:00–09:00

🌈Rainbow Probability:70-80.1%

Low

Possible Rainbow

Waimea Canyon

Tue, Jun 23 · 07:00–09:00

🌈Rainbow Probability:70-80%

Low

Possible Rainbow

Waimea Canyon

Tue, Jun 23 · 17:00–18:00

🌈Rainbow Probability:70%

Low

Possible Rainbow at Sunset

Waimea Canyon

Tue, Jun 23 · 18:00–19:00

🌈Rainbow Probability:70%

Low

Possible Rainbow

Waimea Canyon

Wed, Jun 24 · 08:00–10:00

🌈Rainbow Probability:70-72.2%

Low

+6 more windows in the next 10 days

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 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
04:00	0%	22782m
05:00	0%	23669m
06:00	0%	24135m
07:00	46%	24134m
08:00	80%	23791m
09:00	70%	15145m
10:00	0%	21971m
11:00	0%	22632m
12:00	0%	23449m
13:00	0%	24134m
14:00	0%	24135m
15:00	0%	24135m
16:00	0%	24134m
17:00	45%	24134m
18:00	45%	24134m
19:00	0%	24134m
20:00	0%	24134m
21:00	0%	24134m
22:00	0%	24134m
23:00	0%	24134m
Wed, Jun 17
24:00	0%	24134m
01:00	0%	24135m
02:00	0%	24135m
03:00	0%	24134m
04:00	0%	24135m
05:00	0%	23925m
06:00	0%	23747m
07:00	66%	22812m
08:00	80%	19508m
09:00	30%	22282m
10:00	0%	23867m
11:00	0%	24135m
12:00	0%	24134m
13:00	0%	24135m
14:00	0%	24135m
15:00	0%	24135m
16:00	0%	24134m
17:00	55%	24134m
18:00	45%	24135m
19:00	0%	20421m
20:00	0%	24135m
21:00	0%	24135m
22:00	0%	24135m
23:00	0%	24015m
Thu, Jun 18
24:00	0%	23890m
01:00	0%	24135m
02:00	0%	24134m
03:00	0%	24134m
04:00	0%	24135m
05:00	0%	24134m
06:00	0%	24135m
07:00	31%	24134m
08:00	45%	24135m
09:00	21%	24135m
10:00	0%	24134m
11:00	0%	24134m
12:00	0%	24135m
13:00	0%	24134m
14:00	0%	24134m
15:00	0%	24135m
16:00	0%	24134m
17:00	45%	24134m
18:00	45%	24134m
19:00	0%	24135m
20:00	0%	24134m
21:00	0%	24135m
22:00	0%	24134m
23:00	0%	24134m
Fri, Jun 19
24:00	0%	24134m
01:00	0%	24135m
02:00	0%	24134m
03:00	0%	24135m
04:00	0%	24135m
05:00	0%	24135m
06:00	0%	23832m
07:00	30%	24135m
08:00	45%	24134m
09:00	56%	23324m
10:00	0%	24135m
11:00	0%	24134m
12:00	0%	24134m
13:00	0%	24134m
14:00	0%	24134m
15:00	0%	22043m
16:00	0%	19952m
17:00	55%	17862m
18:00	55%	17771m
19:00	0%	17681m
20:00	0%	17591m
21:00	0%	17722m
22:00	0%	17854m
23:00	0%	17985m
Sat, Jun 20
24:00	0%	20035m
01:00	0%	22085m
02:00	0%	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 05:54 Sunset 19:22
04:00 ☾	73%	0mm	0.06mm	-23°	0seconds	4%	0.06mm
05:00 ☾	69%	0mm	0.09mm	-12°	0seconds	10%	0.13mm
06:00	79%	0mm	0.13mm	0.8°	0seconds	48%	0.25mm
07:00	89%	0mm	0.23mm	13°	0seconds	66%	0.44mm
08:00	99%	0mm	0.21mm	26°	0seconds	76%	0.69mm
09:00	99%	0mm	0.07mm	40°	3600seconds	17%	0.13mm
10:00	100%	0mm	0.07mm	54°	3600seconds	10%	0.19mm
11:00	100%	0mm	0.04mm	67°	3600seconds	10%	0.19mm
12:00	100%	0mm	0.02mm	81°	3600seconds	7%	0.25mm
13:00	100%	0mm	0.03mm	85°	3600seconds	7%	0.25mm
14:00 ☾	100%	0mm	0.01mm	71°	3600seconds	8%	0.31mm
15:00 ☾	97%	0mm	0.01mm	57°	3600seconds	4%	0mm
16:00 ☾	93%	0mm	0.02mm	44°	3600seconds	6%	0.06mm
17:00 ☾	90%	0mm	0.05mm	30°	3600seconds	12%	0.06mm
18:00 ☾	92%	0mm	0.07mm	17°	3600seconds	10%	0.13mm
19:00 ☾	95%	0mm	0.17mm	4.2°	3600seconds	10%	0.19mm
20:00 ☾	98%	0mm	0.03mm	-8.4°	3600seconds	3%	0.25mm
21:00 ☾	86%	0mm	0.01mm	-20°	0seconds	3%	0mm
22:00 ☾	75%	0mm	0.01mm	-30°	0seconds	4%	0mm
23:00 ☾	64%	0mm	0.1mm	-39°	0seconds	7%	0.06mm
Thu, Jun 18 Sunrise 05:54 Sunset 19:22
24:00 ☾	70%	0mm	0.09mm	-44°	0seconds	2%	0.13mm
01:00 ☾	76%	0mm	0.01mm	-44°	0seconds	1%	0.13mm
02:00 ☾	82%	0mm	0mm	-40°	0seconds	0%	0.13mm
03:00 ☾	61%	0mm	0mm	-33°	0seconds	0%	0mm
04:00 ☾	41%	0mm	0mm	-23°	0seconds	0%	0mm
05:00 ☾	20%	0mm	0mm	-12°	0seconds	0%	0mm
06:00	35%	0mm	0mm	0.77°	0seconds	0%	0mm
07:00	49%	0mm	0mm	13°	0seconds	0%	0mm
08:00	64%	0mm	0mm	26°	0seconds	0%	0mm
09:00	76%	0mm	0mm	40°	3600seconds	0%	0mm
10:00	88%	0mm	0mm	53°	3600seconds	4%	0mm
11:00	100%	0mm	0.01mm	67°	3600seconds	4%	0mm
12:00	100%	0mm	0.01mm	81°	3600seconds	4%	0mm
13:00	100%	0mm	0mm	85°	3600seconds	3%	0mm
14:00 ☾	100%	0mm	0.01mm	71°	3600seconds	7%	0.06mm
15:00 ☾	87%	0mm	0.01mm	57°	3600seconds	8%	0mm
16:00 ☾	74%	0mm	0.02mm	44°	3600seconds	4%	0mm
17:00 ☾	61%	0mm	0.02mm	30°	3600seconds	6%	0.06mm
18:00 ☾	62%	0mm	0mm	17°	3600seconds	6%	0.06mm
19:00 ☾	63%	0mm	0mm	4.2°	3600seconds	1%	0.06mm
20:00 ☾	64%	0mm	0mm	-8.4°	3600seconds	1%	0.06mm
21:00 ☾	42%	0mm	0mm	-20°	0seconds	1%	0mm
22:00 ☾	21%	0mm	0mm	-30°	0seconds	0%	0mm
23:00 ☾	0%	0mm	0mm	-39°	0seconds	0%	0mm
Fri, Jun 19 Sunrise 05:54 Sunset 19:23
24:00 ☾	13%	0mm	0mm	-44°	0seconds	5%	0mm
01:00 ☾	26%	0mm	0mm	-44°	0seconds	0%	0mm
02:00 ☾	39%	0mm	0mm	-40°	0seconds	0%	0mm
03:00 ☾	32%	0mm	0mm	-33°	0seconds	5%	0mm
04:00 ☾	26%	0mm	0mm	-23°	0seconds	5%	0mm
05:00 ☾	19%	0mm	0mm	-12°	0seconds	5%	0mm
06:00	35%	0mm	0.12mm	0.73°	0seconds	5%	0.06mm
07:00	51%	0mm	0mm	13°	0seconds	5%	0.06mm
08:00	67%	0mm	0mm	26°	0seconds	5%	0.19mm
09:00	76%	0mm	0.22mm	40°	3600seconds	10%	0mm
10:00	86%	0mm	0mm	53°	3600seconds	30%	0.13mm
11:00	95%	0mm	0mm	67°	3600seconds	5%	0.13mm
12:00	96%	0mm	0mm	81°	3600seconds	5%	0.13mm
13:00	97%	0mm	0.01mm	85°	3600seconds	7%	0.13mm
14:00 ☾	99%	0.01mm	0mm	71°	3600seconds	10%	0.19mm
15:00 ☾	75%	0.01mm	0mm	58°	2400seconds	11%	0.15mm
16:00 ☾	52%	0.01mm	0mm	44°	1200seconds	12%	0.1mm
17:00 ☾	28%	0.01mm	0mm	30°	0seconds	13%	0.06mm
18:00 ☾	32%	0.007mm	0mm	17°	0seconds	23%	0.06mm
19:00 ☾	35%	0.003mm	0mm	4.3°	0seconds	33%	0.06mm
20:00 ☾	39%	0mm	0mm	-8.3°	0seconds	43%	0.06mm
21:00 ☾	30%	0mm	0mm	-20°	0seconds	34%	0.04mm
22:00 ☾	21%	0mm	0mm	-30°	0seconds	24%	0.02mm
23:00 ☾	12%	0mm	0mm	-39°	0seconds	14%	0mm
Sat, Jun 20 Sunrise 05:55 Sunset 19:23
24:00 ☾	21%	0mm	0mm	-44°	0seconds	11%	0mm
01:00 ☾	30%	0mm	0mm	-44°	0seconds	8%	0mm
02:00 ☾	39%	0mm	0mm	-40°	0seconds	5%	0mm
03:00 ☾	28%	0.02mm	0mm	-33°	1200seconds	5%	0mm

How to read: these inputs help produce the derived score; they are not requirements by themselves.

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