Measurements:
°C
°F
Guam
88°F
W 11 mph
Feels like: 98°F
Precip: 13%
World Resorts Northern Mariana Islands Guam Weather

14 Day Weather Forecast

07.27
mon
DAY
88°F
W 14 mph
precip
22%
NIGHT
86°F
W 7 mph
precip
21%
07.28
tue
DAY
90°F
SW 6 mph
precip
8%
NIGHT
84°F
W 5 mph
precip
65%
07.29
wed
DAY
90°F
NW 8 mph
precip
8%
NIGHT
84°F
N 6 mph
precip
11%
07.30
thu
DAY
88°F
N 7 mph
precip
16%
NIGHT
84°F
N 2 mph
precip
17%
07.31
fri
DAY
88°F
NE 4 mph
precip
20%
NIGHT
84°F
S 5 mph
precip
29%
08.01
sat
DAY
86°F
NE 2 mph
precip
14%
NIGHT
86°F
SE 7 mph
precip
11%
08.02
sun
DAY
88°F
E 12 mph
precip
6%
NIGHT
86°F
E 11 mph
precip
55%
08.03
mon
DAY
88°F
E 18 mph
precip
36%
NIGHT
86°F
E 17 mph
precip
25%
08.04
tue
DAY
88°F
E 19 mph
precip
39%
NIGHT
86°F
E 18 mph
precip
30%
08.05
wed
DAY
88°F
E 20 mph
precip
65%
NIGHT
86°F
E 17 mph
precip
74%
08.06
thu
DAY
86°F
E 19 mph
precip
61%
NIGHT
86°F
E 16 mph
precip
37%
08.07
fri
DAY
86°F
E 16 mph
precip
36%
NIGHT
86°F
E 11 mph
precip
45%
08.08
sat
DAY
88°F
E 12 mph
precip
30%
NIGHT
86°F
E 7 mph
precip
17%
08.09
sun
DAY
88°F
E 8 mph
precip
18%
NIGHT
86°F
E 6 mph
precip
21%

Guam Sea Water Temperature in July, °F

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Guam was 88.4°F. The maximum and minimum values were 86.8°F and 89.8°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 91.4 °F
July 91.2 °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
Northern Mariana Islands Resorts:
NAME
Guam +88
Rota +86
Saipan +88
Susupe +88
Tinian +88
24 Hours Weather Forecast
Guam
Local time: 19:27
27 jul, monday
2100 86°F
W
9 mph
28 jul, tuesday
0000 86°F
W
7 mph
0300 84°F
W
7 mph
0600 84°F
SW
6 mph
0900 86°F
SW
6 mph
1200 90°F
SW
6 mph
1500 90°F
SW
7 mph
1800 88°F
W
7 mph