Measurements:
°C
°F
Guam
86°F
SW 13 mph
Feels like: 96°F
Precip: 9%
World Resorts Northern Mariana Islands Guam Weather

14 Day Weather Forecast

10.22
thu
DAY
86°F
SW 13 mph
precip
43%
NIGHT
82°F
W 12 mph
precip
12%
10.23
fri
DAY
86°F
SW 9 mph
precip
7%
NIGHT
82°F
NW 5 mph
precip
11%
10.24
sat
DAY
88°F
NW 8 mph
precip
18%
NIGHT
82°F
NW 6 mph
precip
25%
10.25
sun
DAY
88°F
SW 7 mph
precip
19%
NIGHT
82°F
W 7 mph
precip
20%
10.26
mon
DAY
88°F
W 11 mph
precip
8%
NIGHT
82°F
W 6 mph
precip
26%
10.27
tue
DAY
90°F
SW 7 mph
precip
22%
NIGHT
82°F
W 2 mph
precip
17%
10.28
wed
DAY
88°F
S 4 mph
precip
36%
NIGHT
84°F
SW 4 mph
precip
21%
10.29
thu
DAY
88°F
SW 11 mph
precip
24%
NIGHT
84°F
SW 9 mph
precip
20%
10.30
fri
DAY
88°F
SW 11 mph
precip
13%
NIGHT
84°F
SW 6 mph
precip
24%
10.31
sat
DAY
88°F
S 6 mph
precip
13%
NIGHT
84°F
SE 9 mph
precip
38%
11.01
sun
DAY
86°F
SE 11 mph
precip
17%
NIGHT
84°F
E 12 mph
precip
28%
11.02
mon
DAY
88°F
NE 12 mph
precip
14%
NIGHT
84°F
NE 9 mph
precip
28%
11.03
tue
DAY
88°F
NE 11 mph
precip
27%
NIGHT
84°F
NE 6 mph
precip
18%
11.04
wed
DAY
88°F
NE 8 mph
precip
20%
NIGHT
84°F
NE 6 mph
precip
18%

Guam Sea Water Temperature in October, °F

Select Year: 2026 2025 2024

The average sea surface temperature in October 2026 for Guam was 88.1°F. The maximum and minimum values were 86.8°F and 90.0°F respectively.

Guam on the Weather Map

Best Time to Visit Guam
The most sunny months:
July 5 days
June 4 days
May 4 days
The most warm months:
June 91.4 °F
July 91.2 °F
August 90.9 °F
Warmest sea temperature:
September 89.4 °F
August 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
September 14 days
July 13 days
The most windy months:
February 17 mph
December 17 mph
January 16 mph
Northern Mariana Islands Resorts:
NAME
F°
Guam +86
Rota +84
Saipan +86
Susupe +86
Tinian +86
24 Hours Weather Forecast
Guam
Local time: 14:15
22 oct, thursday
1500 86°F
SW
13 mph
1800 84°F
SW
12 mph
2100 84°F
W
13 mph
23 oct, friday
0000 82°F
W
12 mph
0300 82°F
SW
12 mph
0600 82°F
SW
9 mph
0900 84°F
SW
11 mph
1200 86°F
SW
9 mph