Agana weather live forecast

Today's maximum temperature in Agana is expected to be 29°C. Select a day from the live weather forecast for Agana, Guam for more weather parameters.

Friday
12th Dec
29

26

5

8
Saturday
13th Dec
30

26

6

8
Sunday
14th Dec
30

26

4

7
Monday
15th Dec
30

26

7

8
Tuesday
16th Dec
30

26

7

9

5-day weather forecast updated at 04:00 on Thursday 11th 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 isolated thunderstorms in Agana, Guam with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 41% chance of some rain and a moderate breeze of 20 kph from the east.

29
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
8
UV index (Very High)
41
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
20
kph wind from E

Agana weather for Saturday 13th December 2025

Expect isolated thunderstorms in Agana, Guam with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 54% chance of some rain and a moderate breeze of 23 kph from the east.

30
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
8
UV index (Very High)
54
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
23
kph wind from E

Agana weather for Sunday 14th December 2025

Expect isolated thunderstorms in Agana, Guam with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 74% chance of some rain and a moderate breeze of 27 kph from the east.

30
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
7
UV index (High)
74
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
27
kph wind from E

Agana weather for Monday 15th December 2025

Expect isolated thunderstorms in Agana, Guam with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 51% chance of some rain and a gentle breeze of 19 kph from the east.

30
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
8
UV index (Very High)
51
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
19
kph wind from E

Agana weather for Tuesday 16th December 2025

Expect broken clouds in Agana, Guam with a maximum temperature of 30°C, 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 24 kph from the north-east.