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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 Elevation26.8° (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
Rainbow Chaser
Hilo
Today · 16:00–18:00 · 2h window
Medium confidence
40%
🌦️Precipitation Chance63.8-70.2%
☁️Total Cloud Coverage100%
rainbow weather icon
Very Good Chance of Rainbow
Hilo
Tue, Feb 10 · 09:00–10:00
🌦️Precipitation Chance:76.7%
Medium
rainbow weather icon
Good Chance of Rainbow
Hilo
Tue, Feb 10 · 10:00–11:00
🌦️Precipitation Chance:71.6%
Low
rainbow weather icon
Good Chance of Rainbow
Hilo
Wed, Feb 11 · 08:00–09:00
🌦️Precipitation Chance:80.9%
Low
rainbow weather icon
Rainbow Chaser
Hilo
Wed, Feb 11 · 09:00–10:00
🌦️Precipitation Chance:76.8%
Low
rainbow weather icon
Rainbow Chaser
Hilo
Wed, Feb 11 · 16:00–17:00
🌦️Precipitation Chance:71%
Low
rainbow weather icon
Very Good Chance of Rainbow
Hilo
Thu, Feb 12 · 08:00–09:00
🌦️Precipitation Chance:61.7%
Medium
+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
2matching 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, Feb 7
08:0058%24134m
09:0045%24134m
10:0028%24134m
11:000%24134m
12:000%24134m
13:000%24134m
14:000%24134m
15:0019%24134m
16:0070%21846m
17:0070%24134m
18:000%22986m
19:000%12305m
20:000%24134m
21:000%11333m
22:000%11129m
23:000%24134m
Sun, Feb 8
24:000%24134m
01:000%24134m
02:000%24134m
03:000%23242m
04:000%22417m
05:000%6494m
06:000%11156m
07:000%8364m
08:000%8665m
09:000%4536m
10:000%6099m
11:000%6784m
12:000%7693m
13:000%9124m
14:000%9324m
15:000%7148m
16:000%4991m
17:000%4745m
18:000%4609m
19:000%4000m
20:000%9803m
21:000%2441m
22:000%2442m
23:000%1922m
Mon, Feb 9
24:000%2517m
01:000%2180m
02:000%1869m
03:000%1014m
04:000%1122m
05:000%1551m
06:000%2069m
07:000%1988m
08:000%1967m
09:000%2255m
10:000%2475m
11:000%2770m
12:000%2812m
13:000%9438m
14:000%6463m
15:000%12103m
16:000%17743m
17:000%23383m
18:000%23109m
19:000%22836m
20:000%22563m
21:000%18067m
22:000%13570m
23:000%9074m
Tue, Feb 10
24:000%8699m
01:000%8323m
02:000%7948m
03:000%9860m
04:000%11772m
05:000%13684m
06:000%17168m
07:000%20651m
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, Feb 7 Sunrise 06:53 Sunset 18:15
09:00 ☾
0mm 0.01mm 27° 3600seconds 100% 0mm
10:00 ☾
0.01mm 0mm 38° 3600seconds 100% 0.06mm
11:00 ☾
0mm 0.02mm 48° 3600seconds 100% 0.06mm
12:00 ☾
0mm 0.02mm 54° 3600seconds 100% 0.06mm
13:00 ☾
0mm 0.02mm 55° 3600seconds 100% 0.13mm
14:00 ☾
0mm 0mm 49° 3600seconds 100% 0.13mm
15:00 ☾
0mm 0.01mm 40° 3600seconds 99% 0.06mm
16:00 ☾
0mm 0.13mm 29° 3600seconds 100% 0.19mm
17:00 ☾
0mm 0.12mm 16° 3600seconds 100% 0.38mm
18:00 ☾
0mm 0.89mm 3° 3600seconds 100% 0.94mm
19:00 ☾
0mm 0.75mm -11° 3600seconds 100% 1.4mm
20:00 ☾
0mm 0.05mm -25° 3600seconds 100% 1.9mm
21:00 ☾
0mm 1.1mm -39° 0seconds 100% 0.5mm
22:00 ☾
0.01mm 0.97mm -53° 0seconds 100% 1.2mm
23:00 ☾
0.01mm 0.09mm -67° 0seconds 100% 1.4mm
Sun, Feb 8 Sunrise 06:52 Sunset 18:15
24:00 ☾
0mm 0.06mm -80° 0seconds 100% 1.6mm
01:00 ☾
0.01mm 0.04mm -82° 0seconds 100% 1.8mm
02:00 ☾
0mm 0.02mm -69° 0seconds 100% 1.9mm
03:00 ☾
0mm 0.15mm -55° 0seconds 100% 0.13mm
04:00 ☾
0mm 0.31mm -41° 0seconds 100% 0.5mm
05:00 ☾
0mm 1.6mm -27° 0seconds 100% 1.8mm
06:00 ☾
0mm 1.3mm -13° 0seconds 100% 3.3mm
07:00 ☾
0.01mm 0.93mm 1.2° 0seconds 100% 4.6mm
08:00 ☾
0.73mm 1.1mm 14° 0seconds 100% 5.9mm
09:00 ☾
1.4mm 1.3mm 27° 0seconds 100% 2.3mm
10:00 ☾
1.5mm 0.68mm 39° 0seconds 100% 4.8mm
11:00 ☾
0.99mm 0.46mm 48° 0seconds 100% 6.6mm
12:00 ☾
1.8mm 0.15mm 54° 0seconds 100% 8.3mm
13:00 ☾
1.5mm 0.22mm 55° 0seconds 100% 10mm
14:00 ☾
0.82mm 0.59mm 50° 0seconds 100% 12mm
15:00 ☾
0.31mm 1.1mm 40° 0seconds 100% 1.3mm
16:00 ☾
0.21mm 1.9mm 29° 0seconds 100% 3.4mm
17:00 ☾
0.01mm 2.4mm 16° 0seconds 100% 5.9mm
18:00 ☾
0.08mm 2.7mm 3.2° 0seconds 100% 8.4mm
19:00 ☾
0.24mm 2.8mm -11° 0seconds 100% 12mm
20:00 ☾
0.98mm 2.5mm -25° 0seconds 100% 15mm
21:00 ☾
0.99mm 3.8mm -39° 0seconds 100% 4.9mm
22:00 ☾
1.2mm 2.7mm -53° 0seconds 100% 8.9mm
23:00 ☾
2.5mm 2.1mm -67° 0seconds 100% 13mm
Mon, Feb 9 Sunrise 06:52 Sunset 18:16
24:00 ☾
0.99mm 1.5mm -80° 0seconds 100% 16mm
01:00 ☾
3mm 1.3mm -82° 0seconds 100% 19mm
02:00 ☾
5.1mm 1mm -69° 0seconds 100% 25mm
03:00 ☾
15mm 0.9mm -55° 0seconds 100% 11mm
04:00 ☾
14mm 1.9mm -41° 0seconds 100% 27mm
05:00 ☾
9.5mm 1.4mm -27° 0seconds 100% 41mm
06:00 ☾
4.8mm 1.3mm -13° 0seconds 100% 48mm
07:00 ☾
3.4mm 1.6mm 1.3° 0seconds 100% 55mm
08:00 ☾
4.1mm 2.1mm 14° 0seconds 100% 60mm
09:00 ☾
2.9mm 1.6mm 27° 0seconds 100% 5.3mm
10:00 ☾
3.5mm 0.99mm 39° 0seconds 100% 10mm
11:00 ☾
2.1mm 1.4mm 49° 0seconds 100% 14mm
12:00 ☾
1.5mm 1.4mm 55° 0seconds 100% 17mm
13:00 ☾
0.54mm 0.94mm 55° 0seconds 100% 20mm
14:00 ☾
0.05mm 1.4mm 50° 0seconds 100% 21mm
15:00 ☾
0.04mm 0.96mm 41° 0seconds 100% 14mm
16:00 ☾
0.03mm 0.5mm 29° 0seconds 100% 7.1mm
17:00 ☾
0.02mm 0.04mm 16° 0seconds 100% 0.31mm
18:00 ☾
0.03mm 0.05mm 3.3° 0seconds 100% 0.4mm
19:00 ☾
0.03mm 0.07mm -11° 0seconds 100% 0.48mm
20:00 ☾
0.04mm 0.08mm -25° 0seconds 100% 0.56mm
21:00 ☾
0.03mm 0.15mm -39° 0seconds 100% 0.6mm
22:00 ☾
0.01mm 0.23mm -53° 0seconds 100% 0.65mm
23:00 ☾
0mm 0.3mm -67° 0seconds 100% 0.69mm
Tue, Feb 10 Sunrise 06:51 Sunset 18:16
24:00 ☾
0mm 0.4mm -80° 0seconds 100% 1mm
01:00 ☾
0mm 0.51mm -82° 0seconds 100% 1.4mm
02:00 ☾
0mm 0.61mm -69° 0seconds 100% 1.8mm
03:00 ☾
0.02mm 0.52mm -55° 1200seconds 100% 1.6mm
04:00 ☾
0.03mm 0.43mm -41° 2400seconds 99% 1.5mm
05:00 ☾
0.05mm 0.34mm -27° 3600seconds 99% 1.4mm
06:00 ☾
0.06mm 0.23mm -13° 3600seconds 99% 1.5mm
07:00 ☾
0.07mm 0.13mm 1.4° 3600seconds 99% 1.6mm
08:00 ☾
0.08mm 0.02mm 15° 3600seconds 100% 1.7mm
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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