Agana weather live forecast

Today's maximum temperature in Agana is expected to be 31°C. Select a day from the live weather forecast for Agana, Guam for more weather parameters.

Saturday
27th Dec
31

25

7

8
Sunday
28th Dec
29

26

6

8
Monday
29th Dec
29

26

6

9
Tuesday
30th Dec
29

25

6

7
Wednesday
31st Dec
29

26

5

7

5-day weather forecast updated at 04:00 on Saturday 27th 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 Saturday 27th December 2025

Expect isolated thunderstorms in Agana, Guam with a maximum temperature of 31°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 50% chance of some rain and a light breeze of 12 kph from the east.

31
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
8
UV index (Very High)
50
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
12
kph wind from E

Agana weather for Sunday 28th December 2025

Expect broken clouds in Agana, Guam with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the east.

29
°C maximum temperature
26
°C minimum temperature
broken clouds
6
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
15
kph wind from E

Agana weather for Monday 29th December 2025

Expect isolated thunderstorms in Agana, Guam with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 40% chance of some rain and a gentle breeze of 17 kph from the east.

29
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
9
UV index (Very High)
40
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
17
kph wind from E

Agana weather for Tuesday 30th December 2025

Expect isolated thunderstorms in Agana, Guam with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 44% chance of some rain and a gentle breeze of 17 kph from the east.

29
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
7
UV index (High)
44
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
17
kph wind from E

Agana weather for Wednesday 31st December 2025

Expect broken clouds in Agana, Guam with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the east.