Agana weather live forecast

Today's maximum temperature in Agana is expected to be 27°C. Select a day from the live weather forecast for Agana, Guam for more weather parameters.

Sunday
18th Oct
27

26

0

6
Monday
19th Oct
28

26

0

5
Tuesday
20th Oct
29

26

6

11
Wednesday
21st Oct
29

26

5

11
Thursday
22nd Oct
29

26

6

11

5-day weather forecast updated at 04:00 on Saturday 17th October 2026 GMT

More about Agana

Agana by month

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

Recommended for Guam

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 Sunday 18th October 2026

Expect isolated thunderstorms in Agana, Guam with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 6 (High) and no hours of bright sunshine. There are 50 mm or more of rainfall expected with 91% chance of some rain and a strong breeze of 48 kph from the south.

27
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
0
hours of sunshine
6
UV index (High)
91
% chance of some rain
>50
mm or more of rainfall expected
L
low heat & humidity
48
kph wind from S

Agana weather for Monday 19th October 2026

Expect isolated thunderstorms in Agana, Guam with a maximum temperature of 28°C, moderate levels of heat & humidity, maximum UV of 5 (Moderate) and no hours of bright sunshine. There are 20-30 mm of rainfall expected with 89% chance of some rain and a fresh breeze of 34 kph from the south.

28
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
0
hours of sunshine
5
UV index (Moderate)
89
% chance of some rain
<30
mm of rainfall expected
M
moderate heat & humidity
34
kph wind from S

Agana weather for Tuesday 20th October 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 68% chance of some rain and a gentle breeze of 19 kph from the south-east.

29
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
11
UV index (Extreme)
68
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
19
kph wind from SE

Agana weather for Wednesday 21st October 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 5 hours of bright sunshine. There are 10-20 mm of rainfall expected with 75% chance of some rain and a gentle breeze of 14 kph from the north-east.

29
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
11
UV index (Extreme)
75
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
14
kph wind from NE

Agana weather for Thursday 22nd October 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 72% chance of some rain and a gentle breeze of 16 kph from the east.