Guam Počasí Předpověď
Guam weather: 30°C, light drizzle. Po hodinách forecast, 14-day outlook, UV, air quality and the best time do visit.
14-day forecast for Guam
Max. / Min.; Srážky; UV
| Den | Podmínky | Max. / Min. | Srážky | Vítr | UV |
|---|---|---|---|---|---|
| po, srp 24 | ⛈️ Bouřka | 32° / 26° | 99% · 10 mm | 23 km/h | 7 |
| út, srp 25 | ⛈️ Bouřka | 31° / 25° | 100% · 11 mm | 19 km/h | 7 |
| st, srp 26 | ⛈️ Bouřka | 32° / 25° | 98% · 37 mm | 14 km/h | 8 |
| čt, srp 27 | ⛈️ Bouřka | 31° / 25° | 98% · 13 mm | 16 km/h | 9 |
| pá, srp 28 | 🌦️ Light showers | 30° / 25° | 79% · 23 mm | 20 km/h | 3 |
| so, srp 29 | 🌦️ Mrholení | 31° / 26° | 83% · 8 mm | 23 km/h | 8 |
| ne, srp 30 | 🌦️ Light showers | 30° / 25° | 92% · 17 mm | 25 km/h | 9 |
| po, srp 31 | 🌦️ Light showers | 30° / 25° | 92% · 15 mm | 22 km/h | 2 |
| út, zář 1 | 🌦️ Light showers | 31° / 25° | 84% · 21 mm | 7 km/h | 8 |
| st, zář 2 | 🌦️ Light showers | 31° / 24° | 90% · 15 mm | 17 km/h | 8 |
| čt, zář 3 | 🌦️ Light showers | 31° / 26° | 90% · 9 mm | 25 km/h | 8 |
| pá, zář 4 | 🌦️ Light showers | 30° / 25° | 84% · 14 mm | 21 km/h | 3 |
| so, zář 5 | 🌦️ Mrholení | 29° / 25° | 88% · 12 mm | 17 km/h | 9 |
| ne, zář 6 | 🌦️ Mrholení | 31° / 25° | 88% · 12 mm | 22 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 srpen normal of 31°C - right on average.
Déšťfall over the next 7 days is close do normal for srpen (120 mm against a typical 73 mm).
What this means for Guam
Today is about average for srpen. The forecast high of 32°C is in line s the 31°C typical for this month.
A 99% chance means rain is expected over most of the area. Plan indoor alternatives. Around 10 mm is forecast, which is enough do 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 červen do srpen.
The gap between the warmest and coldest month averages 1°C - an unusually even climate through the year.
What do pack, what do skip
- Lightweight, light-coloured clothing and a refillable water bottle
- neglasses, 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 červenec, srpen and září - historically the least comfortable months here.
Zobrazit předpověď pro Guam podle časového období
Guam weather - more answers
Explore Guam
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Frequently asked questions
Where is Guam?
Guam je země v Oceánie. Its coordinates are 13.4443, 144.7937. It lies in Oceánie.
What is the weather like in Guam právě teď?
It is currently 30°C (87°F) s light drizzle. Vlhkost is 69% and wind is 23 km/h.
When is the best time do visit Guam?
leden, únor and prosinec offer the most comfortable conditions in Guam, which has a tropical climate. červenec, srpen and září are usually the hardest months for outdoor plans.
What time zone is Guam in?
Guam observes Pacific/Guam (UTC+10:00). The local time is 9:28 AM.
How many people live in Guam?
Guam has a population of approximately 170.000.
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Data sources and methodology
| Place data | USPOTUS Atlas dataset (countries-v1) - coordinates, hierarchy and facts. |
|---|---|
| Předpověď and observations | Open-Meteo (ECMWF and national models). |
| Kvalita ovzduší and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Klima 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 srpen 24, 2026 at 9:28 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.





