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Hawaii (Big Island) Weather on Wednesday, October 21, 2026

  1. TodayOctober 1915° 10°
  2. TomorrowOctober 2014° 9°
  3. WedOctober 2114° 8°
  4. ThuOctober 2215° 7°
  5. FriOctober 2317° 9°
  6. SatOctober 2416° 9°
  7. SunOctober 2515° 12°
  8. MonOctober 2615° 12°
  9. TueOctober 2715° 12°
  10. WedOctober 2815° 12°
  11. ThuOctober 2916° 11°
  12. FriOctober 3016° 12°
  13. SatOctober 3117° 12°
  14. SunNovember 116° 11°

Hawaii (Big Island) · Wednesday, October 21 2026

14°8°

Light drizzle

High 14°, low 8°

Chance of rain
63%
0.7 mm
Wind
14 km/h
east
UV index
8
Very high
Sunrise
06:18
Sunset 17:54
Day length
11 h 36 min
Moon
Waxing gibbous
81% illuminated

Updated: · Source: Open-Meteo

Forecast for Hawaii (Big Island) on Wednesday, October 21, 2026: light drizzle, with a high of 14°C and a low of 8°C. The chance of rain is 63%, with 0.7 mm of precipitation expected in total. Wind from the east at up to 14 km/h. Sunrise is at 06:18 and sunset at 17:54; day length 11 h 36 min. Temperatures similar to the previous day. Temperatures are close to the 7-day average. The best time to be outdoors looks like 08:00–13:00.

What to wear and what to watch out for

  • Take an umbrella or a raincoat with you.
  • Cool in the morning and evening: dress in layers and bring a sweater or jacket.
  • High UV index (8): sunscreen, a hat and sunglasses are recommended.

Wednesday, October 21: hour by hour

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  13. 12:0014°13%
  14. 13:0014°32%
  15. 14:0013°47%

Weather nearby on October 21

Frequently asked questions

Will it rain in Hawaii (Big Island) on Wednesday, October 21, 2026?
Yes, the chance of rain is 63%, with 0.7 mm of rain expected in total.
What will the temperature be in Hawaii (Big Island) on Wednesday, October 21, 2026?
A high of 14°C and a low of 8°C are expected. Conditions: light drizzle.
What time are sunrise and sunset in Hawaii (Big Island) on October 21, 2026?
Sunrise is at 06:18 and sunset at 17:54 (local time); day length 11 h 36 min.
How reliable is this forecast?
Forecasts for the first 3 days are usually highly accurate; this page is updated about every 30 minutes.

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