Agana weather live forecast

Today's maximum temperature in Agana is expected to be 28°C. Select a day from the live weather forecast for Agana, Guam for more weather parameters.

Monday
19th Oct
28

26

0

6
Tuesday
20th Oct
29

26

6

11
Wednesday
21st Oct
29

26

6

11
Thursday
22nd Oct
29

25

6

9
Friday
23rd Oct
29

25

6

10

5-day weather forecast updated at 04:00 on Sunday 18th October 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 Monday 19th October 2026

Expect isolated thunderstorms in Agana, Guam with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 6 (High) and no hours of bright sunshine. There are 20-30 mm of rainfall expected with 95% chance of some rain and a fresh breeze of 30 kph from the south-east.

28
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
0
hours of sunshine
6
UV index (High)
95
% chance of some rain
<30
mm of rainfall expected
L
low heat & humidity
30
kph wind from SE

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 5-10 mm of rainfall expected with 58% chance of some rain and a gentle breeze of 17 kph from the south-east.

29
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
11
UV index (Extreme)
58
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
17
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 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 54% 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
6
hours of sunshine
11
UV index (Extreme)
54
% chance of some rain
<10
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 9 (Very High) and 6 hours of bright sunshine. There are 10-20 mm of rainfall expected with 55% chance of some rain and a moderate breeze of 20 kph from the north-east.

29
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
9
UV index (Very High)
55
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
20
kph wind from NE

Agana weather for Friday 23rd October 2026

Expect isolated thunderstorms in Agana, Guam with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 81% chance of some rain and a gentle breeze of 17 kph from the east.