World Resorts Northern Mariana Islands Guam Weather

Guam 14 Days Forecast

26.02
thu
Day
81°F
W 22 mph
Precip.
100%
Night
79°F
W 21 mph
Precip.
81%
27.02
fri
Day
81°F
W 17 mph
Precip.
100%
Night
79°F
W 17 mph
Precip.
75%
28.02
sat
Day
82°F
W 17 mph
Precip.
88%
Night
79°F
W 14 mph
Precip.
0%
01.03
sun
Day
82°F
W 12 mph
Precip.
100%
Night
79°F
SW 12 mph
Precip.
100%
02.03
mon
Day
82°F
W 18 mph
Precip.
100%
Night
81°F
W 16 mph
Precip.
100%
03.03
tue
Day
81°F
W 16 mph
Precip.
100%
Night
79°F
W 15 mph
Precip.
100%
04.03
wed
Day
81°F
SW 16 mph
Precip.
100%
Night
79°F
W 18 mph
Precip.
100%
05.03
thu
Day
81°F
W 22 mph
Precip.
100%
Night
81°F
SW 19 mph
Precip.
100%
06.03
fri
Day
81°F
SW 25 mph
Precip.
100%
Night
81°F
SW 24 mph
Precip.
77%
07.03
sat
Day
77°F
SW 26 mph
Precip.
100%
Night
81°F
W 25 mph
Precip.
100%
08.03
sun
Day
81°F
NW 25 mph
Precip.
100%
Night
81°F
N 24 mph
Precip.
27%
09.03
mon
Day
82°F
NW 16 mph
Precip.
100%
Night
81°F
NW 13 mph
Precip.
100%
10.03
tue
Day
82°F
NW 12 mph
Precip.
100%
Night
79°F
N 9 mph
Precip.
100%
11.03
wed
Day
82°F
N 12 mph
Precip.
100%
Night
81°F
N 16 mph
Precip.
100%

Sea water temperature in February, °F

Show year:
2026
2025
2024

The average sea water temperature in February of 2026 was 82.8°F. The highest and lowest sea temperatures during the month were 83.3°F and 82.4°F.

Sea water temperature in March, °F

Show year:
2025
2024
2023

The average sea water temperature in March of 2025 was 82.6°F. The highest and lowest sea temperatures during the month were 82.9°F and 81.9°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 83.2 °F
January 83.8 °F
March 84.2 °F
Rainiest months:
October 15 days
August 14 days
September 14 days
Windiest months:
February 17.4 mph
December 17.2 mph
January 16.5 mph

Guam on a weather map

Current weather
08:56
Guam
+81°F
W 21 mph
Feels like: +84°F
Precip.: 67%
Places in Northern Mariana Islands:
Name
°F
Guam
+81°F
Rota
+81°F
Saipan
+79°F
Susupe
+79°F
Tinian
+79°F
24 Hours Forecast
Guam
Local time: 08:56
February 26, thursday
0900
81°F
W
21 mph
1200
81°F
W
22 mph
1500
81°F
W
22 mph
1800
79°F
W
21 mph
2100
79°F
W
22 mph
February 27, friday
0000
79°F
W
21 mph
0300
81°F
W
19 mph
0600
81°F
W
19 mph
Units of measurement: °C / °F