Hanalei Bay Weather Forecast
Hanalei Bay weather: 77°F, overcast. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Summary
Hanalei Bay is a beach in Kauai. Hanalei Bay is a beach known for a mountain-backed crescent bay.
Right now it is 77°F (25°C) in Hanalei Bay with overcast. It feels like 86°F. Today runs from 76°F to 84°F. Chance of precipitation is 43%. Sightseeing conditions score 6.2/10 - fair - plan around the weather.
The best time to visit Hanalei Bay is August. The climate is temperate. March, April and December tend to be the least comfortable months. August is the warmest month with average highs near 82°F, while February is the coldest with lows near 66°F.
The closest major airport is Daniel K. Inouye International Airport (HNL), about 118 mi away. Nearby highlights include Oahu, Pearl Harbor National Memorial, Waikiki Beach and Maui.
In plain terms. Today is about average for August. The forecast high of 84°F is in line with the 82°F typical for this month. The best window to be outside is roughly 6 PM to 9 PM, when temperature, rain chance and wind line up best. fishing is the strongest bet in Hanalei Bay today at 9.4/10. Visibility is down to 0,2 mi - use low beams and leave extra following distance.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Weather in Hanalei Bay right now
Source: Open-Meteo. Updated 2:34 AM, Aug 25 local time.
Next 24 hours
Hour-by-hour temperature, precipitation chance and wind.
16-day forecast for Hanalei Bay
Daily highs and lows, precipitation and UV.
| Day | Conditions | High / Low | Precip | Wind | UV |
|---|---|---|---|---|---|
| Tue, Aug 25 | 🌦️ Light drizzle | 84° / 76° | 43% · 0,1 in | 11 mph | 8 |
| Wed, Aug 26 | 🌦️ Drizzle | 82° / 74° | 67% · 0,2 in | 9 mph | 9 |
| Thu, Aug 27 | 🌦️ Light drizzle | 82° / 73° | 67% · 0,0 in | 9 mph | 9 |
| Fri, Aug 28 | 🌦️ Light drizzle | 82° / 73° | 76% · 0,1 in | 9 mph | 8 |
| Sat, Aug 29 | 🌧️ Heavy drizzle | 78° / 72° | 84% · 0,5 in | 9 mph | 7 |
| Sun, Aug 30 | 🌦️ Light drizzle | 82° / 73° | 82% · 0,2 in | 10 mph | 9 |
| Mon, Aug 31 | 🌧️ Heavy drizzle | 80° / 73° | 86% · 0,4 in | 9 mph | 7 |
| Tue, Sep 1 | 🌧️ Heavy drizzle | 81° / 74° | 81% · 0,3 in | 8 mph | 9 |
| Wed, Sep 2 | 🌦️ Drizzle | 82° / 74° | 67% · 0,2 in | 10 mph | 7 |
| Thu, Sep 3 | 🌦️ Drizzle | 82° / 74° | 63% · 0,3 in | 9 mph | 9 |
| Fri, Sep 4 | 🌦️ Light showers | 77° / 74° | 71% · 0,6 in | 9 mph | 7 |
| Sat, Sep 5 | 🌦️ Drizzle | 80° / 73° | 66% · 0,5 in | 10 mph | 9 |
| Sun, Sep 6 | 🌦️ Drizzle | 81° / 73° | 61% · 0,1 in | 10 mph | 9 |
| Mon, Sep 7 | 🌦️ Light drizzle | 83° / 73° | 48% · 0,2 in | 9 mph | 7 |
| Tue, Sep 8 | 🌦️ Drizzle | 84° / 74° | 47% · 0,1 in | 8 mph | 8 |
| Wed, Sep 9 | ☀️ Clear sky | -- / -- | 52% | -- | — |
Climate in Hanalei Bay month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 77° | 67° | 7,0 in | ★★★☆☆ |
| February | 76° | 66° | 7,9 in | ★★★☆☆ |
| March | 76° | 68° | 10,5 in | ★★☆☆☆ |
| April | 77° | 69° | 13,7 in | ★★★☆☆ |
| May | 78° | 70° | 10,9 in | ★★★☆☆ |
| June | 80° | 71° | 8,2 in | ★★★☆☆ |
| July | 80° | 72° | 10,5 in | ★★★☆☆ |
| August | 82° | 73° | 4,2 in | ★★★★☆ |
| September | 82° | 73° | 5,9 in | ★★★☆☆ |
| October | 81° | 72° | 5,7 in | ★★★☆☆ |
| November | 79° | 71° | 7,7 in | ★★★☆☆ |
| December | 78° | 69° | 8,9 in | ★★★☆☆ |
Climate type: Temperate. Source: Open-Meteo archive (ERA5).
Weather map for Hanalei Bay
Animated model layers. Pick a layer to load it.
Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.
Air quality and pollen in Hanalei Bay
Air quality: Open-Meteo (CAMS). US AQI scale.
Sun, twilight and moon
Golden and blue hour are the standard photographic approximation around sunrise and sunset.
Best time to visit Hanalei Bay
Go in August. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: March, April and December - expect the least comfortable mix of heat, cold or rain.
Explore Hanalei Bay
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 Hanalei Bay?
Hanalei Bay is a beach in Kauai. Its coordinates are 22.2036, -159.5011. It lies in North America.
What is the weather like in Hanalei Bay right now?
It is currently 77°F (25°C) with overcast. Humidity is 98% and wind is 6 mph.
When is the best time to visit Hanalei Bay?
August offer the most comfortable conditions in Hanalei Bay, which has a temperate climate. March, April and December are usually the hardest months for outdoor plans.
What time zone is Hanalei Bay in?
Hanalei Bay observes Pacific/Honolulu (UTC-10:00). The local time is 2:34 AM.
What is the nearest airport to Hanalei Bay?
The closest airports are Daniel K. Inouye International Airport (HNL), 118 mi away.
What are the top things to do in Hanalei Bay?
Popular options include Oahu, Pearl Harbor National Memorial, Waikiki Beach, Maui, Haleakala National Park and Road to Hana.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (beaches) - 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 25, 2026 at 2:34 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
