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
15th Aug
31

27

6

11
Sunday
16th Aug
29

26

3

11
Monday
17th Aug
30

26

6

11
Tuesday
18th Aug
30

26

5

11
Wednesday
19th Aug
30

26

5

10

5-day weather forecast updated at 04:00 on Saturday 15th August 2026 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 15th August 2026

Expect isolated thunderstorms in Agana, Guam with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 72% chance of some rain and a gentle breeze of 19 kph from the west.

31
°C maximum temperature
27
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
11
UV index (Extreme)
72
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
19
kph wind from W

Agana weather for Sunday 16th August 2026

Expect isolated thunderstorms in Agana, Guam with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 84% chance of some rain and a gentle breeze of 17 kph from the south-west.

29
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
11
UV index (Extreme)
84
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
17
kph wind from SW

Agana weather for Monday 17th August 2026

Expect isolated thunderstorms in Agana, Guam with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 11+ (Extreme) and 6 hours of bright sunshine. There are 10-20 mm of rainfall expected with 74% chance of some rain and a gentle breeze of 13 kph from the south-west.

30
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
11
UV index (Extreme)
74
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
13
kph wind from SW

Agana weather for Tuesday 18th August 2026

Expect isolated thunderstorms in Agana, Guam with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 11+ (Extreme) and 5 hours of bright sunshine. There are 10-20 mm of rainfall expected with 84% chance of some rain and a light breeze of 11 kph from the north.

30
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
11
UV index (Extreme)
84
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
11
kph wind from N

Agana weather for Wednesday 19th August 2026

Expect isolated thunderstorms in Agana, Guam with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 5 hours of bright sunshine. There are 20-30 mm of rainfall expected with 86% chance of some rain and a gentle breeze of 15 kph from the north.