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.

Saturday
5th Sep
29

26

6

11
Sunday
6th Sep
30

26

1

9
Monday
7th Sep
29

26

2

9
Tuesday
8th Sep
30

26

6

11
Wednesday
9th Sep
30

26

5

11

5-day weather forecast updated at 04:00 on Friday 4th 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 Saturday 5th September 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 6 hours of bright sunshine. There are 10-20 mm of rainfall expected with 66% chance of some rain and a gentle breeze of 15 kph from the south-west.

29
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
11
UV index (Extreme)
66
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
15
kph wind from SW

Agana weather for Sunday 6th September 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 1 hour of bright sunshine. There are 20-30 mm of rainfall expected with 67% chance of some rain and a light breeze of 12 kph from the west.

30
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
1
hour of sunshine
9
UV index (Very High)
67
% chance of some rain
<30
mm of rainfall expected
M
moderate heat & humidity
12
kph wind from W

Agana weather for Monday 7th September 2026

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 2 hours of bright sunshine. There are 20-30 mm of rainfall expected with 71% chance of some rain and a gentle breeze of 13 kph from the north-west.

29
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
2
hours of sunshine
9
UV index (Very High)
71
% chance of some rain
<30
mm of rainfall expected
M
moderate heat & humidity
13
kph wind from NW

Agana weather for Tuesday 8th 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 10-20 mm of rainfall expected with 59% chance of some rain and a light breeze of 11 kph from the north.

30
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
11
UV index (Extreme)
59
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
11
kph wind from N

Agana weather for Wednesday 9th 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 5 hours of bright sunshine. There are 20-30 mm of rainfall expected with 65% chance of some rain and a light breeze of 11 kph from the north.