Measurements:
°C
°F
Guam
86°F
W 14 mph
Feels like: 96°F
Precip: 0%
World Resorts Northern Mariana Islands Guam Weather

7 Day Weather Forecast

04.27
mon
DAY
86°F
W 14 mph
precip
0%
NIGHT
84°F
W 14 mph
precip
0%
04.28
tue
DAY
86°F
W 17 mph
precip
0%
NIGHT
84°F
W 17 mph
precip
71%
04.29
wed
DAY
86°F
W 19 mph
precip
88%
NIGHT
84°F
W 16 mph
precip
60%
04.30
thu
DAY
86°F
W 18 mph
precip
83%
NIGHT
84°F
SW 12 mph
precip
0%
05.01
fri
DAY
86°F
W 16 mph
precip
67%
NIGHT
84°F
W 11 mph
precip
0%
05.02
sat
DAY
86°F
W 13 mph
precip
30%
NIGHT
84°F
W 14 mph
precip
23%
05.03
sun
DAY
86°F
SW 16 mph
precip
71%
NIGHT
84°F
W 14 mph
precip
100%

Guam Sea Water Temperature in April, °F

Select Year: 2026 2025 2024

The average sea surface temperature in April 2026 for Guam was 27.8°F. The maximum and minimum values were 27.0°F and 28.3°F respectively.

Guam on the Weather Map

Best Time to Visit Guam
The most sunny months:
July 5 days
August 5 days
September 5 days
The most warm months:
June 91.6 °F
July 91.5 °F
August 91.1 °F
Warmest sea temperature:
August 89.4 °F
September 89.4 °F
July 89.2 °F
The most cold months:
February 86.8 °F
January 87.5 °F
March 87.8 °F
The most rainy months:
October 15 days
August 14 days
September 14 days
The most windy months:
February 17 mph
December 17 mph
January 16 mph