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Rule Rainbow Chaser

Haleakala - Rainbow Chaser - Hawaii

Makawao, Hawaii, United States

Sun breaking through rain — perfect rainbow conditions

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Pacific/Honolulu
Next opportunity
Good Chance of Rainbow
Haleakala
Today · 15:00–16:00 · 1h window
Medium confidence
51%
Good Chance of Rainbow
Haleakala
Tomorrow · 15:00–16:00
Medium
Rainbow Chaser
Haleakala
Tomorrow · 16:00–17:00
Medium
Rainbow Chaser
Haleakala
Tue, Jan 13 · 09:00–11:00
Low
Good Chance of Rainbow
Haleakala
Tue, Jan 13 · 15:00–17:00
Low
Excellent Chance of Rainbow (double)
Haleakala
Wed, Jan 14 · 09:00–11:00
Low
Rainbow Chaser
Haleakala
Wed, Jan 14 · 15:00–17:00
Low
+9 more windows in the next 14 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
5matching hours in the next 72 hoursJump to next match
AND logic: all conditions required
Meets requirement
Misses requirement
Time
Pacific/Honolulu
Rainbow Probability
≥ 60.0%
Visibility
≥ 8000.0m
Sat, Jan 10
14:000%3680m
15:0063%9680m
16:0057%2480m
17:0048%15420m
18:000%24140m
19:000%6260m
20:000%5420m
21:000%17020m
22:000%15380m
23:000%15160m
Sun, Jan 11
24:000%24140m
01:000%24140m
02:000%17180m
03:000%15320m
04:000%9660m
05:000%10220m
06:000%24140m
07:000%24140m
08:000%24140m
09:000%24140m
10:000%24140m
11:000%24140m
12:000%24140m
13:000%24140m
14:000%24140m
15:0065%24140m
16:0070%24140m
17:0053%23140m
18:000%6300m
19:000%15380m
20:000%15140m
21:000%8700m
22:000%11200m
23:000%24140m
Mon, Jan 12
24:000%15360m
01:000%12020m
02:000%16180m
03:000%11440m
04:000%600m
05:000%1980m
06:000%16260m
07:000%7780m
08:000%2140m
09:000%280m
10:0062%660m
11:0038%220m
12:000%24140m
13:000%23800m
14:000%700m
15:000%220m
16:0037%120m
17:0031%80m
18:000%80m
19:000%14520m
20:000%9320m
21:000%540m
22:000%400m
23:000%620m
Tue, Jan 13
24:000%280m
01:000%140m
02:000%200m
03:000%240m
04:000%320m
05:000%220m
06:000%540m
07:000%8340m
08:0050%24140m
09:0070%24140m
10:0070%11180m
11:0035%10360m
12:000%12020m
13:000%8380m
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
Rainfall
mm
Showers
mm
Solar Elevation
°
Sunshine Duration
seconds
Total Cloud Coverage
%
Total Precipitation
mm
Sat, Jan 10 Sunrise 07:04 Sunset 18:01
15:00 ☾
0mm 0mm 34° 3600seconds 78% 0mm
16:00 ☾
0mm 0mm 24° 3600seconds 74% 0mm
17:00 ☾
0mm 0mm 12° 3600seconds 80% 0mm
18:00 ☾
0mm 0mm 0.11° 1956seconds 75% 0mm
19:00 ☾
0mm 0mm -14° 0seconds 56% 0mm
20:00 ☾
0mm 0mm -27° 0seconds 71% 0mm
21:00 ☾
0mm 0mm -41° 0seconds 54% 0mm
22:00 ☾
0mm 0mm -54° 0seconds 50% 0mm
23:00 ☾
0mm 0mm -68° 0seconds 47% 0mm
Sun, Jan 11 Sunrise 07:04 Sunset 18:01
24:00 ☾
0mm 0mm -82° 0seconds 47% 0mm
01:00 ☾
0mm 0mm -84° 0seconds 42% 0mm
02:00 ☾
0mm 0mm -70° 0seconds 40% 0mm
03:00 ☾
0mm 0mm -56° 0seconds 33% 0mm
04:00 ☾
0mm 0mm -42° 0seconds 31% 0mm
05:00 ☾
0mm 0mm -28° 0seconds 22% 0mm
06:00 ☾
0mm 0mm -15° 0seconds 25% 0mm
07:00 ☾
0mm 0mm -1.6° 0seconds 26% 0mm
08:00 ☾
0mm 0mm 11° 1924seconds 6% 0mm
09:00 ☾
0mm 0mm 23° 3600seconds 0% 0mm
10:00 ☾
0mm 0mm 33° 3600seconds 0% 0mm
11:00 ☾
0mm 0mm 42° 3600seconds 28% 0mm
12:00 ☾
0mm 0mm 47° 3600seconds 36% 0mm
13:00 ☾
0mm 0mm 47° 3600seconds 39% 0mm
14:00 ☾
0mm 0mm 43° 3600seconds 33% 0mm
15:00 ☾
0mm 0mm 34° 3600seconds 28% 0mm
16:00 ☾
0mm 0mm 24° 3600seconds 35% 0mm
17:00 ☾
0mm 0mm 12° 3600seconds 33% 0mm
18:00 ☾
0mm 0mm 0.23° 2356seconds 35% 0mm
19:00 ☾
0mm 0mm -13° 0seconds 59% 0mm
20:00 ☾
0mm 0mm -27° 0seconds 55% 0mm
21:00 ☾
0mm 0mm -40° 0seconds 59% 0mm
22:00 ☾
0mm 0mm -54° 0seconds 60% 0mm
23:00 ☾
0mm 0mm -68° 0seconds 61% 0mm
Mon, Jan 12 Sunrise 07:04 Sunset 18:02
24:00 ☾
0mm 0mm -82° 0seconds 57% 0mm
01:00 ☾
0mm 0mm -84° 0seconds 60% 0mm
02:00 ☾
0mm 0mm -70° 0seconds 58% 0mm
03:00 ☾
0mm 0mm -56° 0seconds 64% 0mm
04:00 ☾
0mm 0mm -42° 0seconds 72% 0mm
05:00 ☾
0mm 0mm -28° 0seconds 66% 0mm
06:00 ☾
0mm 0mm -15° 0seconds 73% 0mm
07:00 ☾
0mm 0.1mm -1.6° 0seconds 93% 0.1mm
08:00 ☾
0mm 0.3mm 11° 0seconds 100% 0.3mm
09:00 ☾
0mm 0.6mm 23° 0seconds 98% 0.6mm
10:00 ☾
0mm 0.4mm 33° 2144seconds 92% 0.4mm
11:00 ☾
0mm 0.5mm 42° 3600seconds 90% 0.5mm
12:00 ☾
0mm 0.6mm 47° 3600seconds 94% 0.6mm
13:00 ☾
0mm 1.1mm 47° 2031seconds 100% 1.1mm
14:00 ☾
0mm 1.1mm 43° 0seconds 100% 1.1mm
15:00 ☾
0mm 0.5mm 35° 0seconds 100% 0.5mm
16:00 ☾
0mm 0mm 24° 269seconds 91% 0mm
17:00 ☾
0mm 0mm 13° 3600seconds 83% 0mm
18:00 ☾
0mm 0mm 0.36° 2243seconds 61% 0mm
19:00 ☾
0mm 0mm -13° 0seconds 66% 0mm
20:00 ☾
0mm 0mm -27° 0seconds 65% 0mm
21:00 ☾
0mm 0mm -40° 0seconds 85% 0mm
22:00 ☾
0mm 0mm -54° 0seconds 76% 0mm
23:00 ☾
0mm 0mm -68° 0seconds 49% 0mm
Tue, Jan 13 Sunrise 07:04 Sunset 18:02
24:00 ☾
0mm 0mm -82° 0seconds 55% 0mm
01:00 ☾
0mm 0mm -84° 0seconds 60% 0mm
02:00 ☾
0mm 0mm -70° 0seconds 70% 0mm
03:00 ☾
0mm 0mm -56° 0seconds 73% 0mm
04:00 ☾
0mm 0mm -42° 0seconds 72% 0mm
05:00 ☾
0mm 0mm -28° 0seconds 57% 0mm
06:00 ☾
0mm 0mm -15° 0seconds 55% 0mm
07:00 ☾
0mm 0mm -1.6° 0seconds 55% 0mm
08:00 ☾
0mm 0mm 11° 1916seconds 53% 0mm
09:00 ☾
0mm 0mm 23° 3600seconds 60% 0mm
10:00 ☾
0mm 0mm 33° 3600seconds 44% 0mm
11:00 ☾
0mm 0mm 42° 3600seconds 41% 0mm
12:00 ☾
0mm 0mm 47° 3600seconds 48% 0mm
13:00 ☾
0mm 0mm 47° 3600seconds 72% 0mm
14:00 ☾
0mm 0mm 43° 3600seconds 76% 0mm
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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