Hawaii County Weather Forecast
Hawaii County weather: 55°F, mainly clear. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
UV index in Hawaii County
Full protection required. Avoid direct sun between 10am and 4pm. Burn times are approximate, for unprotected skin at peak UV.
Health and safety today
| Skin and UV | No protection needed for most skin types. |
|---|---|
| General | Conditions are comfortable for most people, including children and older adults, with normal clothing. |
Next 24 hours
Hour-by-hour temperature, precipitation chance and wind.
See the Hawaii County forecast by time range
Hawaii County weather - more answers
Explore Hawaii County
Every topic we hold for this place, and the same topic for the places around it.
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Frequently asked questions
Where is Hawaii County?
Hawaii County is a county in Hawaii. Its coordinates are 19.5429, -155.6659. It lies in North America.
What is the weather like in Hawaii County right now?
It is currently 55°F (13°C) with mainly clear. Humidity is 91% and wind is 3 mph.
When is the best time to visit Hawaii County?
June, July, September, October and December offer the most comfortable conditions in Hawaii County, which has a temperate climate. January, March and April are usually the hardest months for outdoor plans.
What time zone is Hawaii County in?
Hawaii County observes Pacific/Honolulu (UTC-10:00). The local time is 11:55 AM.
How many people live in Hawaii County?
Hawaii County has a population of approximately 205.000.
What is the nearest airport to Hawaii County?
The closest airports are Daniel K. Inouye International Airport (HNL), 191 mi away.
What are the top things to do in Hawaii County?
Popular options include Hawaii (Big Island), Hawaii Volcanoes National Park, Road to Hana, Haleakala National Park, Maui and Waikiki Beach.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (us-counties) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Weather Service. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated August 21, 2026 at 11:55 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
