31.10
sat
sat
Day
84°F
NE 4 mph
Precip.
12%
12%
Night
79°F
SW 1 mph
Precip.
24%
24%
01.11
sun
sun
Day
82°F
W 4 mph
Precip.
20%
20%
Night
79°F
W 4 mph
Precip.
23%
23%
02.11
mon
mon
Day
84°F
W 6 mph
Precip.
19%
19%
Night
79°F
W 6 mph
Precip.
11%
11%
03.11
tue
tue
Day
82°F
W 11 mph
Precip.
7%
7%
Night
79°F
W 6 mph
Precip.
10%
10%
04.11
wed
wed
Day
82°F
W 11 mph
Precip.
7%
7%
Night
79°F
W 7 mph
Precip.
12%
12%
05.11
thu
thu
Day
84°F
SW 11 mph
Precip.
36%
36%
Night
81°F
SW 9 mph
Precip.
22%
22%
06.11
fri
fri
Day
84°F
SW 13 mph
Precip.
24%
24%
Night
79°F
SW 10 mph
Precip.
33%
33%
Sea water temperature in October, °F
Show year:
2026
2025
2024
The average sea water temperature in October of 2026 was 84.1°F. The highest and lowest sea temperatures during the month were 86.0°F and 83.1°F.
Sea water temperature in November, °F
Show year:
2025
2024
2023
The average sea water temperature in November of 2025 was 84.4°F. The highest and lowest sea temperatures during the month were 84.7°F and 83.8°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
Guam on a weather map
Places in Northern Mariana Islands:
Name
°F
24 Hours Forecast
Guam
Local time: 13:51
October 31, saturday
1500
82°F
NE
6 mph
6 mph
1800
81°F
NE
4 mph
4 mph
2100
81°F
SE
1 mph
1 mph
November 01, sunday
0000
79°F
SW
1 mph
1 mph
0300
79°F
SW
2 mph
2 mph
0600
79°F
SW
3 mph
3 mph
0900
81°F
SW
2 mph
2 mph
1200
82°F
W
4 mph
4 mph
