World Resorts Northern Mariana Islands Guam Weather

Guam 7 Days Forecast

08.04
wed
Day
82°F
SW 17 mph
Precip.
100%
Night
81°F
SW 17 mph
Precip.
64%
09.04
thu
Day
82°F
SW 19 mph
Precip.
74%
Night
81°F
SW 22 mph
Precip.
100%
10.04
fri
Day
82°F
SW 25 mph
Precip.
100%
Night
81°F
SW 25 mph
Precip.
63%
11.04
sat
Day
81°F
SW 29 mph
Precip.
100%
Night
81°F
SW 27 mph
Precip.
100%
12.04
sun
Day
79°F
W 38 mph
Precip.
100%
Night
81°F
W 40 mph
Precip.
100%
13.04
mon
Day
81°F
NW 29 mph
Precip.
100%
Night
81°F
NW 25 mph
Precip.
100%
14.04
tue
Day
82°F
NW 23 mph
Precip.
100%
Night
81°F
NW 21 mph
Precip.
45%

Sea water temperature in April, °F

Show year:
2025
2024
2023

The average sea water temperature in April of 2025 was 83.5°F. The highest and lowest sea temperatures during the month were 84.2°F and 82.8°F.

Air temperature in Guam, °F

Precipitation total in Guam, in.

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

Best time for vacation in Guam

Sunniest months:
July 5 days
August 5 days
September 5 days
Warmest months:
June 87.5 °F
July 87.3 °F
August 87.0 °F
Warmest sea temp:
August 85.5 °F
September 85.4 °F
July 85.3 °F
Coldest months:
February 83.1 °F
January 83.8 °F
March 84.0 °F
Rainiest months:
October 15 days
August 14 days
September 14 days
Windiest months:
February 17.3 mph
December 17.2 mph
January 16.5 mph

Guam on a weather map

Guam
+82°F
SW 17 mph
Feels like: +88°F
Precip.: 62%
Places in Northern Mariana Islands:
Name
°F
+82°F
+81°F
+81°F
+81°F
+81°F
24 Hours Forecast
Guam
Local time: 07:56
April 08, wednesday
0900
82°F
SW
17 mph
1200
82°F
SW
17 mph
1500
82°F
SW
17 mph
1800
81°F
SW
17 mph
2100
81°F
SW
17 mph
April 09, thursday
0000
81°F
SW
17 mph
0300
81°F
SW
15 mph
0600
81°F
SW
15 mph
Units of measurement: °C / °F