Guam Tempo Previsão
Guam weather: 31°C, encoberto. Por hora forecast, 14-day outlook, UV, air quality and the best time a visit.
14-day previsão para Guam
Máximas e mínimas diárias, precipitação e UV.
| Dia | Condições | Máx. / Mín. | Precip. | Vento | UV |
|---|---|---|---|---|---|
| sáb., set 19 | ⛈️ Trovoada | 32° / 25° | 96% · 19 mm | 24 km/h | 9 |
| dom., set 20 | ⛈️ Trovoada | 32° / 25° | 97% · 12 mm | 12 km/h | 9 |
| seg., set 21 | ⛈️ Trovoada | 30° / 25° | 100% · 11 mm | 23 km/h | 6 |
| ter., set 22 | 🌧️ Aguaceiros | 29° / 24° | 97% · 12 mm | 20 km/h | 3 |
| qua., set 23 | 🌦️ Chuvisco | 32° / 25° | 92% · 7 mm | 17 km/h | 3 |
| qui., set 24 | 🌧️ Chuvisco forte | 32° / 26° | 94% · 6 mm | 12 km/h | 3 |
| sex., set 25 | 🌦️ Chuvisco | 30° / 26° | 94% · 6 mm | 12 km/h | 5 |
| sáb., set 26 | 🌧️ Chuvisco forte | 31° / 25° | 91% · 11 mm | 13 km/h | 9 |
| dom., set 27 | 🌦️ Chuvisco | 32° / 24° | 91% · 7 mm | 6 km/h | 9 |
| seg., set 28 | 🌦️ Chuvisco | 32° / 25° | 94% · 6 mm | 9 km/h | 8 |
| ter., set 29 | 🌦️ Chuvisco fraco | 33° / 26° | 95% · 2 mm | 10 km/h | 9 |
| qua., set 30 | ⛈️ Trovoada | 32° / 26° | 91% · 5 mm | 7 km/h | 9 |
| qui., out 1 | 🌦️ Aguaceiros fracos | 31° / 25° | 88% · 13 mm | 7 km/h | 8 |
| sex., out 2 | 🌧️ Chuvisco forte | 31° / 25° | 91% · 9 mm | 13 km/h | 9 |
The two-week trend
Steady. The second week averages within a degree of the first, so no big change is signalled.
The window averages 31°C against a setembro normal of 30°C – right on average.
Precipitação over the next 7 days is close a normal for setembro (72 mm against a typical 107 mm).
What this means for Guam
Today is slightly warmer than average for setembro. The forecast high of 32°C is 1.7°C above the 30°C typical for this month.
A 96% chance means rain is expected over most of the area. Plan indoor alternatives. Around 19 mm is forecast, which is enough a soak trails and slow traffic.
Wet roads are likely; braking distances roughly double in heavy rain.
Within 15 degrees of the equator, day length barely changes all year; seasons are defined by rain, not temperature.
Northern Hemisphere, so peak summer falls in junho a agosto.
The gap between the warmest and coldest month averages 1°C – an unusually even climate through the year.
What a pack, what a skip
- Lightweight, light-coloured clothing and a refillable water bottle
- dom.glasses, a brimmed hat and SPF 30+
- A packable rain shell – 7 of the next 7 days carry a real chance of rain
- Insect repellent and quick-dry fabrics for humidity
- If your dates are flexible, avoid julho, agosto and setembro – historically the least comfortable months here.
Ver a previsão de Guam por período
Guam weather – more answers
Explore Guam
Every topic we hold for this place, and the same topic for the places around it.
Tempo for related places
Frequently asked questions
Where is Guam?
Guam é um país da Oceania. Its coordinates are 13.4443, 144.7937. It lies in Oceania.
What is the weather like in Guam agora?
It is currently 31°C (88°F) com encoberto. Humidade is 66% and wind is 22 km/h.
When is the best time a visit Guam?
janeiro, fevereiro and dezembro offer the most comfortable conditions in Guam, which has a tropical climate. julho, agosto and setembro are usually the hardest months for outdoor plans.
What time zone is Guam in?
Guam observes Pacific/Guam (UTC+10:00). The hora local is 10:06 AM.
How many people live in Guam?
Guam has a population of approximately 170.000.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (countries-v1) – coordinates, hierarchy and facts. |
|---|---|
| Previsão and observations | Open-Meteo (ECMWF and national models). |
| Qualidade do ar and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Clima averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing – the block is simply not shown. |
Last updated setembro 19, 2026 at 10:06 AM hora local. Live blocks refresh every 15 minutes; climate averages monthly.
