Weather forecast for tomorrowWaipahu, HI
Weather forecast for tomorrow
Monday Oct 19, 2026
- 84°F
- 73°F
Mostly Sunny
- Precip. probability: 13%
- Precipitation: 0"
- Wind: 15mphENE 66°
- Humidity: 64%
- UV index: 10
- Sunrise: 6:29 am HST
- Sunset: 6:04 pm HST
- details ▼
Tomorrow, on Monday, bright conditions and mild breezes are expected.
Temperature fluctuations between a warm 84.2°F and a temperate 73.4°F are anticipated.
The maximum heat index, which measures the combined effect of heat and moisture, is estimated at a humid 89.6°F. Note that heat index values are valued for light wind and location in the shade.
The expected maximum temperature will closely reflect October's average high of 81.1°F.
Sunrise will be at 6:29 am and sunset at 6:04 pm; tomorrow's daylight will last for 11h and 35min.
Temperature fluctuations between a warm 84.2°F and a temperate 73.4°F are anticipated.
The maximum heat index, which measures the combined effect of heat and moisture, is estimated at a humid 89.6°F. Note that heat index values are valued for light wind and location in the shade.
The expected maximum temperature will closely reflect October's average high of 81.1°F.
Sunrise will be at 6:29 am and sunset at 6:04 pm; tomorrow's daylight will last for 11h and 35min.
Hourly overview
Hourly temperatures
Warmest period: 12 pm - 3 pm 88°C.
Coldest period: 3 am - 6 am 75°C.
Coldest period: 3 am - 6 am 75°C.
Chance of precipitation
Highest chance: 9 pm 11%.
Hourly weather forecast
- 12 am
- 75°F
- Feels like:79°F
Mostly Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 10mphENE 63°
- Humidity: 76%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 75°F
- Feels like:77°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 9mphENE 60°
- Humidity: 77%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 73°F
- Feels like:75°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 8mphNE 53°
- Humidity: 80%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 73°F
- Feels like:75°F
Partly Cloudy
- Precip. probability: 10%
- Precipitation: 0"
- Wind: 7mphNE 49°
- Humidity: 83%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 6:29 am
- 8 am
- 77°F
- Feels like:81°F
Mostly Sunny
- Precip. probability: 13%
- Precipitation: 0"
- Wind: 9mphENE 60°
- Humidity: 73%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 10 am
- 82°F
- Feels like:86°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 13mphENE 68°
- Humidity: 64%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 6
- details ▼
- 12 pm
- 84°F
- Feels like:88°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 15mphENE 73°
- Humidity: 59%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 10
- details ▼
- 2 pm
- 84°F
- Feels like:88°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 14mphENE 68°
- Humidity: 57%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 7
- details ▼
- 4 pm
- 82°F
- Feels like:86°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 15mphENE 67°
- Humidity: 61%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 6 pm
- 79°F
- Feels like:82°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 12mphENE 63°
- Humidity: 68%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:04 pm
- 8 pm
- 77°F
- Feels like:81°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 9mphENE 61°
- Humidity: 74%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 77°F
- Feels like:81°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 9mphENE 61°
- Humidity: 77%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Monday, a combination of dull and bright weather is expected.
The temperature will vary between a minimum of 73.4°F and a maximum of 84.2°F. The hottest part of the day will be from noon to 3 pm.
The maximum temperature will be alike with October's average highest temperature of 81.1°F. The lowest temperature is also alike with October's typical minimum of 74.7°F.
The temperature will vary between a minimum of 73.4°F and a maximum of 84.2°F. The hottest part of the day will be from noon to 3 pm.
The maximum temperature will be alike with October's average highest temperature of 81.1°F. The lowest temperature is also alike with October's typical minimum of 74.7°F.
Updated: Oct 18, 2026 @ 10:40:40 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
Tomorrow, bright conditions and mild breezes are expected.
Tomorrow, the highest temperature in Waipahu will be 84.2°F, while the lowest temperature will be 73.4°F. The maximum heat index, which calculates the temperature value influenced by the moisture in the air, is calculated to be 89.6°F.
The highest temperature will be in line with the average maximum of 81.1°F in October. The lowest temperature will be also in line with the average low of 74.7°F.
The highest temperature will be in line with the average maximum of 81.1°F in October. The lowest temperature will be also in line with the average low of 74.7°F.
On Monday, in Waipahu, sunrise will be at 6:29 am and sunset at 6:04 pm (HST).
Tomorrow in Waipahu, the daylight will last for 11h and 35min.
