Guam weather live forecast

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

Saturday
11th Apr
30

26

6

11
Sunday
12th Apr
29

26

3

8
Monday
13th Apr
29

26

1

10
Tuesday
14th Apr
28

25

1

5
Wednesday
15th Apr
30

26

3

11

5-day weather forecast updated at 04:00 on Friday 10th April 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.

Guam weather forecast by day

Below are the detailed weather forecasts for Guam for the next 5 days. The forecasts shown are for Agana and may not represent the whole of Guam. Browse more destinations in Guam to view more weather forecasts.

Guam weather for Saturday 11th April 2026

Expect isolated thunderstorms in 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 0-2 mm of rainfall expected with 42% chance of some rain and a fresh breeze of 29 kph from the north-east.

30
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
11
UV index (Extreme)
42
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
29
kph wind from NE

Guam weather for Sunday 12th April 2026

Expect isolated thunderstorms in Guam with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 75% chance of some rain and a fresh breeze of 34 kph from the north-east.

29
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
8
UV index (Very High)
75
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
34
kph wind from NE

Guam weather for Monday 13th April 2026

Expect isolated thunderstorms in Guam with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 1 hour of bright sunshine. There are 30-40 mm of rainfall expected with 95% chance of some rain and a strong breeze of 48 kph from the north-east.

29
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
1
hour of sunshine
10
UV index (Very High)
95
% chance of some rain
<40
mm of rainfall expected
M
moderate heat & humidity
48
kph wind from NE

Guam weather for Tuesday 14th April 2026

Expect isolated thunderstorms in Guam with a maximum temperature of 28°C, moderate levels of heat & humidity, maximum UV of 5 (Moderate) and 1 hour of bright sunshine. There are 50 mm or more of rainfall expected with 98% chance of some rain and a strong breeze of 48 kph from the south-east.

28
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
1
hour of sunshine
5
UV index (Moderate)
98
% chance of some rain
>50
mm or more of rainfall expected
M
moderate heat & humidity
48
kph wind from SE

Guam weather for Wednesday 15th April 2026

Expect isolated thunderstorms in Guam with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 11+ (Extreme) and 3 hours of bright sunshine. There are 40-50 mm of rainfall expected with 90% chance of some rain and a strong breeze of 39 kph from the south.