Hanalei, Kauai weather live forecast

Today's maximum temperature in Hanalei, Kauai is expected to be 27°C. Select a day from the live weather forecast for Hanalei, Kauai, Hawaii, USA for more weather parameters.

Wednesday
18th Mar
27

18

4

5
Thursday
19th Mar
26

19

3

7
Friday
20th Mar
28

20

3

9
Saturday
21st Mar
26

20

6

8
Sunday
22nd Mar
27

19

4

9

5-day weather forecast updated at 04:03 on Wednesday 18th March 2026 GMT

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The 5-day weather forecast for Hawaii (Hanalei, Kauai) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Hanalei, Kauai weather forecast by day

Below are the detailed weather forecasts for Hanalei, Kauai for the next 5 days.

Hanalei, Kauai weather for Wednesday 18th March 2026

Expect mostly cloudy with light rain in Hanalei, Kauai, Hawaii with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 66% chance of some rain and little or no wind of 4 kph from the south-east.

27
°C maximum temperature
18
°C minimum temperature
mostly cloudy with light rain
4
hours of sunshine
5
UV index (Moderate)
66
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
4
kph wind from SE

Hanalei, Kauai weather for Thursday 19th March 2026

Expect isolated thunderstorms in Hanalei, Kauai, Hawaii with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 7 (High) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 94% chance of some rain and little or no wind of 3 kph from the south-east.

26
°C maximum temperature
19
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
7
UV index (High)
94
% chance of some rain
<10
mm of rainfall expected
L
low heat & humidity
3
kph wind from SE

Hanalei, Kauai weather for Friday 20th March 2026

Expect isolated thunderstorms in Hanalei, Kauai, Hawaii with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 86% chance of some rain and little or no wind of 2 kph from the east.

28
°C maximum temperature
20
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
9
UV index (Very High)
86
% chance of some rain
<10
mm of rainfall expected
L
low heat & humidity
2
kph wind from E

Hanalei, Kauai weather for Saturday 21st March 2026

Expect isolated thunderstorms in Hanalei, Kauai, Hawaii with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 6 hours of bright sunshine. There are 10-20 mm of rainfall expected with 86% chance of some rain and little or no wind of 2 kph from the south.

26
°C maximum temperature
20
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
8
UV index (Very High)
86
% chance of some rain
<20
mm of rainfall expected
L
low heat & humidity
2
kph wind from S

Hanalei, Kauai weather for Sunday 22nd March 2026

Expect isolated thunderstorms in Hanalei, Kauai, Hawaii with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 79% chance of some rain and little or no wind of 5 kph from the north-west.