Weather forecast for tomorrowUlupalakua, HI
Weather forecast for tomorrow
Monday Oct 19, 2026
- 84°F
- 68°F
Mostly Sunny
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 15mphNE 38°
- Humidity: 65%
- UV index: 10
- Sunrise: 6:22 am HST
- Sunset: 5:58 pm HST
- details ▼
Tomorrow, mainly sunny conditions will dominate the day.
The forecasted temperature range extends from a high of a moderately hot 84.2°F to a low of a pleasant 68°F.
The maximum heat index, which represents the influence of relative humidity on air temperature, is estimated at a humid 89.6°F. Note that heat index values are valued for light wind and location in the shade.
The day’s top temperature is expected to be a few degrees higher than the typical October high of 77.9°F.
Sunrise will be at 6:22 am and sunset at 5:58 pm; tomorrow's daylight will last for 11h and 36min.
The forecasted temperature range extends from a high of a moderately hot 84.2°F to a low of a pleasant 68°F.
The maximum heat index, which represents the influence of relative humidity on air temperature, is estimated at a humid 89.6°F. Note that heat index values are valued for light wind and location in the shade.
The day’s top temperature is expected to be a few degrees higher than the typical October high of 77.9°F.
Sunrise will be at 6:22 am and sunset at 5:58 pm; tomorrow's daylight will last for 11h and 36min.
Hourly overview
Hourly temperatures
Warmest period: 12 pm - 3 pm 86°C.
Coldest hour: 6 am 68°C.
Coldest hour: 6 am 68°C.
Chance of precipitation
Highest chance: 9 pm 10%.
Hourly weather forecast
- 12 am
- 70°F
- Feels like:72°F
Mostly Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 8mphNE 54°
- Humidity: 84%
- Pressure: 30.03"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
- 2 am
- 68°F
- Feels like:70°F
Mostly Clear
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 7mphNE 49°
- Humidity: 86%
- Pressure: 30"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
- 4 am
- 68°F
- Feels like:68°F
Mostly Clear
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 7mphENE 60°
- Humidity: 86%
- Pressure: 30"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
- 6 am
- 66°F
- Feels like:68°F
Mostly Clear
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 8mphENE 61°
- Humidity: 87%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 6:22 am
- 8 am
- 75°F
- Feels like:77°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 9mphNE 48°
- Humidity: 73%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 10 am
- 81°F
- Feels like:84°F
Mostly Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 11mphNNE 16°
- Humidity: 61%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 6
- details ▼
- 12 pm
- 82°F
- Feels like:86°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 14mphNNE 21°
- Humidity: 57%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 10
- details ▼
- 2 pm
- 82°F
- Feels like:86°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 15mphNE 35°
- Humidity: 57%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 7
- details ▼
- 4 pm
- 81°F
- Feels like:84°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 14mphNE 48°
- Humidity: 63%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
Sunset: 5:58 pm
- 6 pm
- 75°F
- Feels like:79°F
Clear
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 11mphNE 49°
- Humidity: 75%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 8 pm
- 73°F
- Feels like:75°F
Mostly Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 9mphNE 43°
- Humidity: 84%
- Pressure: 30.03"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
- 10 pm
- 72°F
- Feels like:73°F
Partly Cloudy
- Precip. probability: 19%
- Precipitation: 0"
- Wind: 9mphNE 56°
- Humidity: 85%
- Pressure: 30.06"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
Tomorrow, a combination of overcast and clear weather is forecasted.
The temperature will be between the lowest temperature of 66.2°F and the highest temperature of 82.4°F. The warmest part of the day will be from 11 am to 3 pm.
The high will be a few degrees higher than the normal maximum of 77.9°F for October. Forecasts indicate a night temperature also a few degrees lower than the usual October minimum of 75.6°F.
The temperature will be between the lowest temperature of 66.2°F and the highest temperature of 82.4°F. The warmest part of the day will be from 11 am to 3 pm.
The high will be a few degrees higher than the normal maximum of 77.9°F for October. Forecasts indicate a night temperature also a few degrees lower than the usual October minimum of 75.6°F.
Updated: Oct 18, 2026 @ 18:06:56 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
On Monday, mainly sunny skies with just a few high clouds are anticipated.
Tomorrow, the maximum temperature will be 84.2°F, while the minimum temperature will be 68°F. The maximum heat index, which represents the influence of relative humidity on air temperature, is estimated at 89.6°F.
The highest temperature will be moderately higher than the average maximum of 77.9°F in October. The lowest temperature will be also a couple of degrees lower than the average low of 75.6°F.
The highest temperature will be moderately higher than the average maximum of 77.9°F in October. The lowest temperature will be also a couple of degrees lower than the average low of 75.6°F.
On Monday, in Ulupalakua, sunrise will be at 6:22 am and sunset at 5:58 pm (HST).
In Ulupalakua, the length of the day tomorrow will be 11h and 36min.
