What conditions does Rainbow Chaser look for?

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

How often do conditions match?

There are 20 upcoming opportunity windows in the next 10 days.

More Rainbow Chaser in Hawaii

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Rule Rainbow Chaser

Princeville - Rainbow Chaser - Hawaii

Princeville, Hawaii, United States

Sun breaking through rain — perfect rainbow conditions

Currently

Real-time conditions

Rainbow Probability

Sun Elevation53.9° (Daylight)

Precipitation2.2mm

Rain0.0mm

Showers1.0mm

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Pacific/Honolulu

Next opportunity

Tentative Chance of Rainbow

Princeville

Today · 17:00–18:00 · 1h window

Medium confidence

50%

🌈Rainbow Probability60%

Sun Elevation: 28.3° (Daylight)

Precipitation: 0.6mm

Rain: 0.0mm

Showers: 0.1mm

Promising Chance of Rainbow

Princeville

Tomorrow · 17:00–18:00

🌈Rainbow Probability:85%

Medium

Possible Rainbow at Sunset

Princeville

Tomorrow · 18:00–19:00

🌈Rainbow Probability:74.7%

Medium

Tentative Chance of Rainbow

Princeville

Sun, May 17 · 08:00–09:00

🌈Rainbow Probability:60%

Medium

Promising Chance of Rainbow

Princeville

Mon, May 18 · 07:00–10:00

🌈Rainbow Probability:69.2-95%

Low

Possible Rainbow

Princeville

Mon, May 18 · 17:00–18:00

🌈Rainbow Probability:80%

Medium

Possible Rainbow at Sunset

Princeville

Mon, May 18 · 18:00–19:00

🌈Rainbow Probability:80%

Medium

+13 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

7matching hours in the next 86 hoursJump to next match

AND logic: all conditions required

Meets requirement

Misses requirement

Time Pacific/Honolulu	Rainbow Probability ≥ 60.0%	Visibility ≥ 8000.0m
Thu, May 14
18:00	69%	18381m
19:00	0%	24134m
20:00	0%	22538m
21:00	0%	24134m
22:00	0%	24134m
23:00	0%	13926m
Fri, May 15
24:00	0%	24135m
01:00	0%	24134m
02:00	0%	24135m
03:00	0%	24134m
04:00	0%	24135m
05:00	0%	14363m
06:00	0%	23360m
07:00	55%	24135m
08:00	80%	24134m
09:00	45%	12489m
10:00	0%	10492m
11:00	0%	6074m
12:00	0%	16694m
13:00	0%	24134m
14:00	0%	24134m
15:00	0%	24134m
16:00	0%	24134m
17:00	60%	24134m
18:00	49%	24135m
19:00	0%	24135m
20:00	0%	24135m
21:00	0%	24135m
22:00	0%	24135m
23:00	0%	24134m
Sat, May 16
24:00	0%	24134m
01:00	0%	24135m
02:00	0%	24134m
03:00	0%	24135m
04:00	0%	24134m
05:00	0%	24135m
06:00	0%	24135m
07:00	40%	24135m
08:00	55%	24135m
09:00	30%	24134m
10:00	0%	24134m
11:00	0%	24134m
12:00	0%	23507m
13:00	0%	23579m
14:00	0%	24135m
15:00	0%	24135m
16:00	0%	23402m
17:00	85%	24134m
18:00	75%	24134m
19:00	0%	24135m
20:00	0%	24135m
21:00	0%	24134m
22:00	0%	24135m
23:00	0%	24135m
Sun, May 17
24:00	0%	24134m
01:00	0%	24134m
02:00	0%	24134m
03:00	0%	24134m
04:00	0%	24135m
05:00	0%	24134m
06:00	0%	24135m
07:00	55%	24134m
08:00	60%	24135m
09:00	19%	24135m
10:00	0%	24134m
11:00	0%	24135m
12:00	0%	13471m
13:00	0%	23428m
14:00	0%	12190m
15:00	0%	16172m
16:00	0%	20153m
17:00	55%	24135m
18:00	45%	21975m
19:00	0%	19815m
20:00	0%	17655m
21:00	0%	17833m
22:00	0%	18011m
23:00	0%	18190m
Mon, May 18
24:00	0%	20171m
01:00	0%	22153m
02:00	0%	24135m
03:00	0%	24135m
04:00	0%	24135m
05:00	0%	24135m
06:00	0%	24002m
07:00	80%	23869m

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
Fri, May 15 Sunrise 05:58 Sunset 19:10
10:00	94%	0.03mm	1mm	54°	0seconds	100%	2.2mm
11:00	91%	1.1mm	0.41mm	68°	0seconds	100%	3.6mm
12:00	94%	0.76mm	0.04mm	81°	0seconds	100%	5.2mm
13:00	96%	0mm	0.01mm	83°	3600seconds	79%	5.4mm
14:00 ☾	99%	0mm	0.02mm	70°	3600seconds	85%	5.4mm
15:00 ☾	87%	0mm	0.01mm	56°	3600seconds	54%	0mm
16:00 ☾	76%	0mm	0.28mm	42°	3600seconds	84%	0.31mm
17:00 ☾	64%	0mm	0.1mm	28°	3600seconds	100%	0.63mm
18:00 ☾	71%	0mm	0.01mm	15°	3600seconds	99%	0.69mm
19:00 ☾	77%	0mm	0mm	1.8°	3600seconds	92%	0.75mm
20:00 ☾	84%	0mm	0.06mm	-11°	3600seconds	42%	0.75mm
21:00 ☾	76%	0mm	0.02mm	-23°	0seconds	8%	0mm
22:00 ☾	68%	0mm	0.01mm	-34°	0seconds	9%	0.06mm
23:00 ☾	61%	0mm	0mm	-43°	0seconds	14%	0.06mm
Sat, May 16 Sunrise 05:57 Sunset 19:10
24:00 ☾	65%	0mm	0mm	-48°	0seconds	6%	0.06mm
01:00 ☾	70%	0mm	0mm	-48°	0seconds	10%	0.06mm
02:00 ☾	75%	0mm	0mm	-44°	0seconds	10%	0.06mm
03:00 ☾	72%	0mm	0mm	-35°	0seconds	2%	0mm
04:00 ☾	70%	0mm	0mm	-25°	0seconds	0%	0mm
05:00 ☾	67%	0mm	0mm	-13°	0seconds	0%	0mm
06:00	76%	0.01mm	0mm	0.19°	0seconds	12%	0mm
07:00	85%	0mm	0.08mm	13°	0seconds	20%	0.06mm
08:00	94%	0mm	0.01mm	26°	0seconds	13%	0.13mm
09:00	94%	0.01mm	0mm	40°	3600seconds	12%	0.19mm
10:00	95%	0mm	0.04mm	54°	3600seconds	13%	0.31mm
11:00	95%	0mm	0.12mm	68°	3600seconds	15%	0.44mm
12:00	96%	0mm	0.22mm	81°	3600seconds	11%	0.63mm
13:00	97%	0mm	0.36mm	83°	3600seconds	16%	1.1mm
14:00 ☾	98%	0mm	0.15mm	70°	3600seconds	15%	1.6mm
15:00 ☾	86%	0mm	0.18mm	56°	3600seconds	16%	0.75mm
16:00 ☾	74%	0mm	0.45mm	42°	3600seconds	23%	1.3mm
17:00 ☾	62%	0.01mm	0.09mm	28°	3600seconds	26%	1.9mm
18:00 ☾	69%	0mm	0.03mm	15°	3600seconds	26%	2.2mm
19:00 ☾	76%	0mm	0.07mm	1.9°	3600seconds	34%	3mm
20:00 ☾	83%	0mm	0.17mm	-11°	3600seconds	37%	3.2mm
21:00 ☾	77%	0mm	0.02mm	-23°	0seconds	38%	0.06mm
22:00 ☾	70%	0mm	0.02mm	-34°	0seconds	33%	0.13mm
23:00 ☾	64%	0mm	0.02mm	-42°	0seconds	30%	0.19mm
Sun, May 17 Sunrise 05:57 Sunset 19:11
24:00 ☾	66%	0mm	0.01mm	-48°	0seconds	12%	0.25mm
01:00 ☾	69%	0mm	0mm	-48°	0seconds	1%	0.25mm
02:00 ☾	72%	0mm	0mm	-43°	0seconds	7%	0.25mm
03:00 ☾	63%	0mm	0mm	-35°	0seconds	5%	0mm
04:00 ☾	55%	0mm	0mm	-25°	0seconds	0%	0mm
05:00 ☾	46%	0mm	0mm	-13°	0seconds	0%	0.19mm
06:00	54%	0mm	0mm	0.26°	0seconds	0%	0.19mm
07:00	62%	0mm	0.11mm	13°	0seconds	5%	0.44mm
08:00	69%	0mm	0mm	26°	0seconds	9%	0.44mm
09:00	74%	0mm	0mm	40°	3600seconds	0%	0mm
10:00	80%	0mm	0mm	54°	3600seconds	0%	0mm
11:00	85%	0mm	0mm	68°	3600seconds	14%	0.06mm
12:00	85%	0mm	0.91mm	82°	3600seconds	27%	0.38mm
13:00	86%	0mm	0.4mm	83°	3600seconds	65%	1.3mm
14:00 ☾	87%	0mm	1.9mm	70°	3600seconds	25%	2.1mm
15:00 ☾	74%	0mm	1.3mm	56°	2400seconds	21%	1.4mm
16:00 ☾	61%	0mm	0.65mm	42°	1200seconds	18%	0.75mm
17:00 ☾	48%	0mm	0.02mm	28°	0seconds	14%	0.06mm
18:00 ☾	52%	0.003mm	0.02mm	15°	0seconds	42%	0.08mm
19:00 ☾	55%	0.007mm	0.02mm	2°	0seconds	69%	0.1mm
20:00 ☾	59%	0.01mm	0.02mm	-11°	0seconds	96%	0.13mm
21:00 ☾	52%	0.007mm	0.03mm	-23°	0seconds	72%	0.13mm
22:00 ☾	44%	0.003mm	0.05mm	-34°	0seconds	49%	0.13mm
23:00 ☾	36%	0mm	0.06mm	-42°	0seconds	25%	0.13mm
Mon, May 18 Sunrise 05:57 Sunset 19:11
24:00 ☾	43%	0.007mm	0.04mm	-47°	0seconds	42%	0.17mm
01:00 ☾	50%	0.01mm	0.03mm	-48°	0seconds	58%	0.21mm
02:00 ☾	57%	0.02mm	0.01mm	-43°	0seconds	75%	0.25mm
03:00 ☾	51%	0.01mm	0.03mm	-35°	1200seconds	59%	0.21mm
04:00 ☾	44%	0.007mm	0.04mm	-25°	2400seconds	42%	0.17mm
05:00 ☾	38%	0mm	0.06mm	-13°	3600seconds	26%	0.13mm
06:00	46%	0mm	0.19mm	0.33°	3600seconds	37%	0.44mm
07:00	54%	0mm	0.31mm	13°	3600seconds	49%	0.75mm
08:00	62%	0mm	0.44mm	26°	3600seconds	60%	1.1mm
09:00	66%	0.03mm	0.31mm	40°	3600seconds	60%	1.1mm

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

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