Hanalei, Kauai weather live forecast

Today's maximum temperature in Hanalei, Kauai is expected to be 81°F. Select a day from the live weather forecast for Hanalei, Kauai, Hawaii, USA for more weather parameters.

Friday
20th Mar
81

68

4

8
Saturday
21st Mar
81

68

6

8
Sunday
22nd Mar
81

66

4

9
Monday
23rd Mar
79

64

4

8
Tuesday
24th Mar
79

66

5

8

5-day weather forecast updated at 04:03 on Friday 20th 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 Friday 20th March 2026

Expect isolated thunderstorms in Hanalei, Kauai, Hawaii with a maximum temperature of 81°F, low levels of heat & humidity, maximum UV of 8 (Very High) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 99% chance of some rain and little or no wind of 2 mph from the south.

81
°F maximum temperature
68
°F minimum temperature
isolated thunderstorms
4
hours of sunshine
8
UV index (Very High)
99
% chance of some rain
<20
mm of rainfall expected
L
low heat & humidity
2
mph wind from S

Hanalei, Kauai weather for Saturday 21st March 2026

Expect isolated thunderstorms in Hanalei, Kauai, Hawaii with a maximum temperature of 81°F, 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 88% chance of some rain and little or no wind of 2 mph from the south-west.

81
°F maximum temperature
68
°F minimum temperature
isolated thunderstorms
6
hours of sunshine
8
UV index (Very High)
88
% chance of some rain
<20
mm of rainfall expected
L
low heat & humidity
2
mph wind from SW

Hanalei, Kauai weather for Sunday 22nd March 2026

Expect isolated thunderstorms in Hanalei, Kauai, Hawaii with a maximum temperature of 81°F, 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 58% chance of some rain and little or no wind of 2 mph from the north.

81
°F maximum temperature
66
°F minimum temperature
isolated thunderstorms
4
hours of sunshine
9
UV index (Very High)
58
% chance of some rain
<5
mm of rainfall expected
L
low heat & humidity
2
mph wind from N

Hanalei, Kauai weather for Monday 23rd March 2026

Expect broken clouds in Hanalei, Kauai, Hawaii with a maximum temperature of 79°F, maximum UV of 8 (Very High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 mph from the north-east.

79
°F maximum temperature
64
°F minimum temperature
broken clouds
4
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
79
°F wind chill
4
mph wind from NE

Hanalei, Kauai weather for Tuesday 24th March 2026

Expect broken clouds in Hanalei, Kauai, Hawaii with a maximum temperature of 79°F, maximum UV of 8 (Very High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 4 mph from the north-east.