Kauai Weather Forecast
Kauai weather: 73°F, heavy drizzle. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Live radar and satellite over Kauai
Open the layers control on the map to switch rain radar and cloud imagery on. Both load only when you ask for them.
Radar frames: RainViewer (global composite, ~10 minute refresh). Satellite: NASA GIBS MODIS true colour, previous day. Coverage and refresh vary by region.
Active alerts for Kauai
Derived from the forecast. No official alert feed is wired for this country yet.
Weather in Kauai right now
Wear sunglasses and use SPF 30+ if you are outside for long.
Source: Open-Meteo. Updated 12:49 AM, Sep 19 local time.
Next 24 hours
Hour-by-hour temperature, precipitation chance and wind.
See the Kauai forecast by time range
Kauai weather - more answers
Explore Kauai
Every topic we hold for this place, and the same topic for the places around it.
Weather for related places
Frequently asked questions
Where is Kauai?
Kauai is an island in Hawaii. Its coordinates are 22.0964, -159.5261. It lies in North America.
What is the weather like in Kauai right now?
It is currently 73°F (23°C) with heavy drizzle. Humidity is 83% and wind is 5 mph.
When is the best time to visit Kauai?
August, September and October offer the most comfortable conditions in Kauai, which has a temperate climate. March, November and December are usually the hardest months for outdoor plans.
What time zone is Kauai in?
Kauai observes Pacific/Honolulu (UTC-10:00). The local time is 12:49 AM.
What is the nearest airport to Kauai?
The closest airports are Daniel K. Inouye International Airport (HNL), 116 mi away.
What are the top things to do in Kauai?
Popular options include Hanalei Bay, Oahu, Pearl Harbor National Memorial, Waikiki Beach, Maui and Haleakala National Park.
What places are in Kauai?
Kauai covers 1 places in this atlas, including Hanalei Bay.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (islands) - 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 September 19, 2026 at 12:49 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
