Agana weather live forecast

Today's maximum temperature in Agana is expected to be 86°F. Select a day from the live weather forecast for Agana, Guam for more weather parameters.

Friday
12th Dec
86

77

7

9
Saturday
13th Dec
84

79

6

8
Sunday
14th Dec
84

77

5

7
Monday
15th Dec
86

79

7

8
Tuesday
16th Dec
86

79

4

8

5-day weather forecast updated at 04:00 on Friday 12th December 2025 GMT

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The 5-day weather forecast for Guam, represented by Agana, (Agana) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Agana weather forecast by day

Below are the detailed weather forecasts for Agana for the next 5 days.

Agana weather for Friday 12th December 2025

Expect scattered clouds in Agana, Guam with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 12 mph from the east.

86
°F maximum temperature
77
°F minimum temperature
scattered clouds
7
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
12
mph wind from E

Agana weather for Saturday 13th December 2025

Expect isolated thunderstorms in Agana, Guam with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 45% chance of some rain and a moderate breeze of 14 mph from the east.

84
°F maximum temperature
79
°F minimum temperature
isolated thunderstorms
6
hours of sunshine
8
UV index (Very High)
45
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
14
mph wind from E

Agana weather for Sunday 14th December 2025

Expect isolated thunderstorms in Agana, Guam with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 68% chance of some rain and a moderate breeze of 17 mph from the east.

84
°F maximum temperature
77
°F minimum temperature
isolated thunderstorms
5
hours of sunshine
7
UV index (High)
68
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
17
mph wind from E

Agana weather for Monday 15th December 2025

Expect isolated thunderstorms in Agana, Guam with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 7 hours of bright sunshine. There are 5-10 mm of rainfall expected with 68% chance of some rain and a moderate breeze of 13 mph from the east.

86
°F maximum temperature
79
°F minimum temperature
isolated thunderstorms
7
hours of sunshine
8
UV index (Very High)
68
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
13
mph wind from E

Agana weather for Tuesday 16th December 2025

Expect isolated thunderstorms in Agana, Guam with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 63% chance of some rain and a moderate breeze of 14 mph from the north-east.