Measurements:
°C
°F
CURRENT WEATHER
16:21
Guam
86°F
W 17 mph
Feels like: 96°F
Precip: 100%
World Resorts Northern Mariana Islands Guam Weather

14 Day Weather Forecast

05.21
thu
DAY
86°F
W 17 mph
precip
100%
NIGHT
84°F
W 13 mph
precip
100%
05.22
fri
DAY
88°F
W 14 mph
precip
100%
NIGHT
84°F
W 16 mph
precip
71%
05.23
sat
DAY
86°F
W 16 mph
precip
100%
NIGHT
84°F
SW 14 mph
precip
100%
05.24
sun
DAY
84°F
W 25 mph
precip
100%
NIGHT
84°F
W 25 mph
precip
100%
05.25
mon
DAY
84°F
W 24 mph
precip
100%
NIGHT
82°F
NW 29 mph
precip
100%
05.26
tue
DAY
82°F
NW 30 mph
precip
100%
NIGHT
84°F
NW 29 mph
precip
100%
05.27
wed
DAY
86°F
N 24 mph
precip
100%
NIGHT
84°F
N 17 mph
precip
100%
05.28
thu
DAY
86°F
N 14 mph
precip
100%
NIGHT
84°F
N 9 mph
precip
25%
05.29
fri
DAY
88°F
N 10 mph
precip
0%
NIGHT
84°F
N 8 mph
precip
100%
05.30
sat
DAY
88°F
N 9 mph
precip
0%
NIGHT
86°F
NW 10 mph
precip
0%
05.31
sun
DAY
88°F
NW 14 mph
precip
0%
NIGHT
86°F
W 9 mph
precip
42%
06.01
mon
DAY
88°F
NW 12 mph
precip
0%
NIGHT
86°F
W 7 mph
precip
100%
06.02
tue
DAY
88°F
W 10 mph
precip
54%
NIGHT
84°F
W 9 mph
precip
21%
06.03
wed
DAY
88°F
W 12 mph
precip
54%
NIGHT
86°F
W 11 mph
precip
100%

Guam Sea Water Temperature in May, °F

Select Year: 2026 2025 2024

The average sea surface temperature in May 2026 for Guam was 86.4°F. The maximum and minimum values were 85.6°F and 87.2°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
more details
Northern Mariana Islands Resorts:
NAME
F°
Guam +86
Rota +86
Saipan +86
Susupe +86
Tinian +86
24 Hours Weather Forecast
Guam
Local time: 16:21
21 may, thursday
1800 86°F
W
14 mph
2100 84°F
W
14 mph
22 may, friday
0000 84°F
W
13 mph
0300 84°F
W
13 mph
0600 84°F
W
13 mph
0900 86°F
W
15 mph
1200 88°F
W
14 mph
1500 88°F
W
14 mph