World Resorts

Northern Mariana Islands

Guam Weather

Guam 14 Days Forecast

30.06
tue

Day

86°F

W 7 mph

Precip.
16%

Night

82°F

W 9 mph

Precip.
12%

01.07
wed

Day

86°F

W 11 mph

Precip.
17%

Night

82°F

W 9 mph

Precip.
24%

02.07
thu

Day

84°F

SW 7 mph

Precip.
17%

Night

82°F

SW 7 mph

Precip.
9%

03.07
fri

Day

84°F

SW 9 mph

Precip.
57%

Night

81°F

SW 5 mph

Precip.
8%

04.07
sat

Day

84°F

SW 4 mph

Precip.
23%

Night

82°F

NE 6 mph

Precip.
13%

05.07
sun

Day

84°F

S 6 mph

Precip.
36%

Night

82°F

E 22 mph

Precip.
69%

06.07
mon

Day

86°F

SE 8 mph

Precip.
27%

Night

82°F

E 8 mph

Precip.
38%

07.07
tue

Day

86°F

E 12 mph

Precip.
21%

Night

82°F

NE 9 mph

Precip.
45%

08.07
wed

Day

86°F

NE 11 mph

Precip.
24%

Night

82°F

NE 8 mph

Precip.
21%

09.07
thu

Day

86°F

NE 10 mph

Precip.
40%

Night

82°F

N 6 mph

Precip.
13%

10.07
fri

Day

86°F

N 7 mph

Precip.
28%

Night

81°F

N 11 mph

Precip.
55%

11.07
sat

Day

84°F

NW 14 mph

Precip.
12%

Night

81°F

NW 9 mph

Precip.
52%

12.07
sun

Day

84°F

W 9 mph

Precip.
27%

Night

82°F

W 8 mph

Precip.
34%

13.07
mon

Day

86°F

W 11 mph

Precip.
16%

Night

82°F

W 9 mph

Precip.
10%

sea water
temperature

Guam

monthly
weather

Guam

current
weather

Guam

7 days
forecast

Guam

January
February
March
April

May
June
July
August

September
October
November
December

Show year:

2026

2025

2024

The average sea water temperature in June of 2026 was 84.5°F. The highest and lowest sea temperatures during the month were 85.1°F and 83.8°F.

Show year:

2025

2024

2023

The average sea water temperature in July of 2025 was 84.7°F. The highest and lowest sea temperatures during the month were 85.5°F and 83.7°F.