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.

Tuesday
16th Dec
29

26

7

8
Wednesday
17th Dec
29

26

5

9
Thursday
18th Dec
30

26

7

7
Friday
19th Dec
30

26

6

8
Saturday
20th Dec
30

26

5

8

5-day weather forecast updated at 04:00 on Monday 15th December 2025 GMT

More about Agana

Agana by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Guam

International Drivers Association: Get driving permit in 8 minutes

Deal

Order International Driving Permit (IDP) in 8 minutes online
Recognised in over 150 countries in Asia, Europe, Africa & more
Accepted by rental car agencies worldwide

Go to International Drivers Association deal >>

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 Tuesday 16th December 2025

Expect scattered clouds in Agana, Guam with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the north-east.

29
°C maximum temperature
26
°C minimum temperature
scattered clouds
7
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
23
kph wind from NE

Agana weather for Wednesday 17th 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 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 79% chance of some rain and a moderate breeze of 23 kph from the east.

29
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
9
UV index (Very High)
79
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
23
kph wind from E

Agana weather for Thursday 18th December 2025

Expect isolated thunderstorms in Agana, Guam with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 42% chance of some rain and a moderate breeze of 22 kph from the east.

30
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
7
UV index (High)
42
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
22
kph wind from E

Agana weather for Friday 19th December 2025

Expect isolated thunderstorms in Agana, Guam with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 66% chance of some rain and a moderate breeze of 22 kph from the east.

30
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
8
UV index (Very High)
66
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
22
kph wind from E

Agana weather for Saturday 20th December 2025

Expect isolated thunderstorms in Agana, Guam with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 78% chance of some rain and a moderate breeze of 24 kph from the east.