Weather forecast for todayKeaau, HI

Weather forecast for today

Current condition 5:05 am HST

  • 66°F
  • Feels like:
    66°F
Partly Cloudy
Partly Cloudy
  • Precipitation: 0"
  • Wind: 6mphWSW 240°
  • Humidity: 84%
  • Dewpoint: 63°F
  • Pressure: 30.01"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
At the moment, the sky is covered by scattered clouds with bright spots in between.
The temperature is a comfortable 66.2°F. The current temperature is at the minimum anticipated for today.

Wednesday Oct 21, 2026

  • 79°F
  • 66°F
PM Showers
PM Showers
  • Precip. probability: 51%
  • Precipitation: 0.28"
  • Wind: 9mphN 2°
  • Humidity: 77%
  • UV index: 9
  • Sunrise: 6:16 am HST
  • Sunset: 5:52 pm HST
  • ▼
Today, expect occasional rain showers to develop in the afternoon.
With a high probability, light precipitation is forecasted. Temperatures are anticipated to range from a maximum of a warm 78.8°F to a minimum of a breezy 66.2°F.
Forecasts suggest the maximum temperature will be relatively higher than October's average of 74.7°F.
Sunrise will be at 6:16 am and sunset at 5:52 pm; the daylight will last for 11h and 36min.

Hourly overview

Hourly temperatures

Warmest period: 2 pm - 4 pm 81°C.
Coldest hour: 6 am 68°C.

Chance of precipitation

Highest chance: 2 pm 50%.

Hourly weather forecast

  • 6 am
  • 68°F
  • Feels like:
    68°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 6mphWSW 249°
  • Humidity: 85%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 6:16 am
  • 8 am
  • 72°F
  • Feels like:
    72°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 11%
  • Precipitation: 0"
  • Wind: 5mphW 262°
  • Humidity: 79%
  • Pressure: 30.03"Hg
  • Visibility: 9mi
  • UV index: 1
  • ▼
  • 10 am
  • 77°F
  • Feels like:
    77°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 14%
  • Precipitation: 0"
  • Wind: 6mphN 2°
  • Humidity: 72%
  • Pressure: 30.03"Hg
  • Visibility: 9mi
  • UV index: 6
  • ▼
  • 12 pm
  • 77°F
  • Feels like:
    77°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 7mphNE 43°
  • Humidity: 72%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 9
  • ▼
  • 2 pm
  • 77°F
  • Feels like:
    81°F
Showers
Showers
  • Precip. probability: 50%
  • Precipitation: 0.08"
  • Wind: 7mphNE 54°
  • Humidity: 73%
  • Pressure: 29.94"Hg
  • Visibility: 7mi
  • UV index: 5
  • ▼
  • 4 pm
  • 75°F
  • Feels like:
    81°F
Showers
Showers
  • Precip. probability: 39%
  • Precipitation: 0.08"
  • Wind: 6mphNE 40°
  • Humidity: 77%
  • Pressure: 29.94"Hg
  • Visibility: 6mi
  • UV index: 1
  • ▼
Sunset: 5:52 pm
  • 6 pm
  • 73°F
  • Feels like:
    75°F
Few Showers
Few Showers
  • Precip. probability: 33%
  • Precipitation: 0.04"
  • Wind: 4mphNW 309°
  • Humidity: 84%
  • Pressure: 29.97"Hg
  • Visibility: 6mi
  • UV index: 0
  • ▼
  • 8 pm
  • 72°F
  • Feels like:
    73°F
Few Showers
Few Showers
  • Precip. probability: 32%
  • Precipitation: 0.04"
  • Wind: 6mphWSW 252°
  • Humidity: 89%
  • Pressure: 30"Hg
  • Visibility: 6mi
  • UV index: 0
  • ▼
  • 10 pm
  • 70°F
  • Feels like:
    72°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 5mphWSW 241°
  • Humidity: 90%
  • Pressure: 30"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
Today, a combination of overcast and damp weather is anticipated.
Rain is expected from 1 pm to 4 pm, and from 6 pm to 8 pm and at 11 pm. With light precipitation of 0.12", most rainfall is expected at 3 pm.
The temperature will be between the highest temperature of 78.8°F and the lowest temperature of 68°F. The warmest part of the day is anticipated around 1 pm.
The high will be slightly warmer than the normal maximum of 74.7°F for October. The expected low will be also close to the average minimum in October, which is 69.6°F.
Updated: Oct 21, 2026 @ 15:05:24 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The temperature at 5:05 am HST is 66.2°F.

On Wednesday, a few passing showers are expected later today.

Light precipitation of 0.28" is anticipated. The possibility of rainfall is 51%.

Today, the highest temperature will be 78.8°F, while the lowest temperature will be 66.2°F.
The maximum temperature will be a couple of degrees higher than the average highest temperature of 74.7°F in October. The lowest temperature will be in line with the average low of 69.6°F.

On Wednesday, in Keaau, sunrise will be at 6:16 am and sunset at 5:52 pm (HST).

In Keaau, the length of the day today will be 11h and 36min.