Guam Počasí Předpověď
Guam weather: 25°C, heavy drizzle. Po hodinách forecast, 14-day outlook, UV, air quality and the best time do visit.
Will it rain in Guam?
Yes - rain is likely in Guam today.
A 98% chance means rain is expected over most of the area. Plan indoor alternatives. Around 18 mm is forecast, which is enough do soak trails and slow traffic.
Over the next 7 days, about 178 mm of precipitation is forecast, s the wettest days falling on čt, pá, so, ne, po, út and st.
The next 7 days carry about 2 times a normal week's rain for říjen (178 mm against 87 mm).
16-day forecast for Guam
Max. / Min.; Srážky; UV
| Den | Podmínky | Max. / Min. | Srážky | Vítr | UV |
|---|---|---|---|---|---|
| čt, říj 1 | ⛈️ Bouřka | 28° / 25° | 98% · 18 mm | 32 km/h | 8 |
| pá, říj 2 | ⛈️ Bouřka | 29° / 25° | 100% · 30 mm | 46 km/h | 3 |
| so, říj 3 | ⛈️ Bouřka | 29° / 26° | 100% · 19 mm | 48 km/h | 6 |
| ne, říj 4 | ⛈️ Bouřka | 30° / 26° | 98% · 13 mm | 45 km/h | 7 |
| po, říj 5 | 🌦️ Light showers | 31° / 25° | 94% · 21 mm | 42 km/h | 8 |
| út, říj 6 | ⛈️ Bouřka | 31° / 25° | 93% · 24 mm | 33 km/h | 7 |
| st, říj 7 | ⛈️ Bouřka | 26° / 25° | 94% · 53 mm | 19 km/h | 1 |
| čt, říj 8 | 🌦️ Mrholení | 28° / 25° | 94% · 4 mm | 22 km/h | 1 |
| pá, říj 9 | 🌦️ Light drizzle | 32° / 25° | 86% · 2 mm | 20 km/h | 7 |
| so, říj 10 | 🌦️ Mrholení | 33° / 25° | 80% · 5 mm | 9 km/h | 7 |
| ne, říj 11 | 🌦️ Light drizzle | 32° / 25° | 84% · 2 mm | 7 km/h | 8 |
| po, říj 12 | 🌦️ Light drizzle | 31° / 26° | 92% · 4 mm | 14 km/h | 8 |
| út, říj 13 | 🌦️ Light drizzle | 31° / 26° | 86% · 3 mm | 11 km/h | 7 |
| st, říj 14 | 🌦️ Light drizzle | 32° / 24° | 84% · 6 mm | 8 km/h | 6 |
| čt, říj 15 | 🌧️ Přeháňky | 32° / 24° | 61% · 10 mm | 21 km/h | 1 |
| pá, říj 16 | ☀️ Jasná obloha | -- / -- | 61% | -- | — |
What this means for Guam
Today is slightly cooler than average for říjen. The forecast high of 28°C is 1.9°C below the 30°C typical for this month.
A 98% chance means rain is expected over most of the area. Plan indoor alternatives. Around 18 mm is forecast, which is enough do soak trails and slow traffic.
Nárazy do 57 km/h will push high-sided vehicles on exposed roads and bridges. 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
- Avoid exposed ridgelines, small boats and rooftop viewpoints while gusts stay above 57 km/h.
- If your dates are flexible, avoid červenec, srpen and září - historically the least comfortable months here.
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Guam weather - more answers
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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 25°C (76°F) s heavy drizzle. Vlhkost is 95% and wind is 16 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 9:02 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. |
|---|---|
| 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 říjen 1, 2026 at 9:02 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
