Agana weather live forecast

Today's maximum temperature in Agana is expected to be 30°C. Select a day from the live weather forecast for Agana, Guam for more weather parameters.

Wednesday
30th Sep
30

27

6

11
Thursday
1st Oct
30

27

5

9
Friday
2nd Oct
29

26

4

8
Saturday
3rd Oct
29

26

4

7
Sunday
4th Oct
29

26

4

8

5-day weather forecast updated at 04:00 on Tuesday 29th September 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 Wednesday 30th September 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 5-10 mm of rainfall expected with 57% chance of some rain and a gentle breeze of 14 kph from the west.

30
°C maximum temperature
27
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
11
UV index (Extreme)
57
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
14
kph wind from W

Agana weather for Thursday 1st October 2026

Expect isolated thunderstorms in Agana, Guam with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 75% chance of some rain and a moderate breeze of 20 kph from the west.

30
°C maximum temperature
27
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
9
UV index (Very High)
75
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
20
kph wind from W

Agana weather for Friday 2nd October 2026

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 4 hours of bright sunshine. There are 20-30 mm of rainfall expected with 94% chance of some rain and a moderate breeze of 27 kph from the west.

29
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
8
UV index (Very High)
94
% chance of some rain
<30
mm of rainfall expected
M
moderate heat & humidity
27
kph wind from W

Agana weather for Saturday 3rd October 2026

Expect isolated thunderstorms in Agana, Guam with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 4 hours of bright sunshine. There are 30-40 mm of rainfall expected with 99% chance of some rain and a fresh breeze of 30 kph from the west.

29
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
7
UV index (High)
99
% chance of some rain
<40
mm of rainfall expected
M
moderate heat & humidity
30
kph wind from W

Agana weather for Sunday 4th October 2026

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 4 hours of bright sunshine. There are 30-40 mm of rainfall expected with 95% chance of some rain and a fresh breeze of 32 kph from the west.