World Resorts USA Kauai Weather

Kauai 7 Days Forecast

06.04
mon
Day
73°F
W 11 mph
Precip.
100%
Night
70°F
NW 7 mph
Precip.
77%
07.04
tue
Day
73°F
S 5 mph
Precip.
100%
Night
70°F
W 4 mph
Precip.
0%
08.04
wed
Day
75°F
W 9 mph
Precip.
83%
Night
73°F
N 7 mph
Precip.
100%
09.04
thu
Day
77°F
NW 11 mph
Precip.
88%
Night
72°F
NW 9 mph
Precip.
100%
10.04
fri
Day
72°F
NW 6 mph
Precip.
100%
Night
72°F
N 4 mph
Precip.
100%
11.04
sat
Day
79°F
E 6 mph
Precip.
100%
Night
72°F
E 9 mph
Precip.
30%
12.04
sun
Day
73°F
E 7 mph
Precip.
0%
Night
70°F
SW 6 mph
Precip.
100%

Sea water temperature in April, °F

Show year:
2025
2024
2023

The average sea water temperature in April of 2025 was 74.9°F. The highest and lowest sea temperatures during the month were 75.7°F and 74.3°F.

Air temperature in Kauai, °F

Precipitation total in Kauai, in.

* Charts above show average data for the last 3 years.

Best time for vacation in Kauai

Sunniest months:
January 6 days
December 5 days
February 4 days
Warmest months:
September 80.3 °F
August 80.0 °F
July 79.2 °F
Warmest sea temp:
September 80.6 °F
October 80.4 °F
August 79.6 °F
Coldest months:
February 73.6 °F
March 74.2 °F
January 74.6 °F
Rainiest months:
January 2 days
March 2 days
February 2 days
Windiest months:
July 11.7 mph
June 10.9 mph
May 10.8 mph

Kauai on a weather map

Kauai
+68°F
NW 8 mph
Feels like: +68°F
Precip.: 100%
Places in USA:
Name
°F
+57°F
+72°F
+72°F
+73°F
+66°F
+82°F
+75°F
+64°F
+48°F
+66°F
+54°F
+84°F
+86°F
+66°F
+48°F
24 Hours Forecast
Kauai
Local time: 06:11
April 06, monday
0900
72°F
W
11 mph
1200
73°F
W
11 mph
1500
73°F
NW
7 mph
1800
73°F
NW
9 mph
2100
70°F
NW
8 mph
April 07, tuesday
0000
70°F
NW
7 mph
0300
68°F
NE
5 mph
0600
68°F
N
4 mph
Units of measurement: °C / °F