Guam Väder Prognos
Guam weather: 28°C, light drizzle. Varje timme forecast, 14-day outlook, UV, air quality and the best time och visit.
Risk assessment for Guam
Derived from the current forecast window - not an official warning.
Peak gusts of 85 km/h and 6 thunderstorm days in the next 16 days.
Wettest single day forecast at 55 mm, 200 mm across the window. Flash flooding risk rises sharply above 50 mm in a day.
Active alerts for Guam
Derived from the forecast. No official alert feed is wired for this country yet.
16-day forecast for Guam
Max / Min; Nederb.; UV
| Dag | Förhållanden | Max / Min | Nederb. | Vind | UV |
|---|---|---|---|---|---|
| tor, okt 1 | 🌦️ Light showers | 29° / 26° | 98% · 12 mm | 33 km/h | 7 |
| fre, okt 2 | ⛈️ Åska | 30° / 25° | 100% · 28 mm | 48 km/h | 2 |
| lör, okt 3 | ⛈️ Åska | 29° / 26° | 100% · 15 mm | 49 km/h | 5 |
| sön, okt 4 | ⛈️ Åska | 30° / 25° | 98% · 16 mm | 48 km/h | 8 |
| mån, okt 5 | ⛈️ Åska | 31° / 26° | 94% · 16 mm | 42 km/h | 9 |
| tis, okt 6 | ⛈️ Åska | 31° / 25° | 93% · 25 mm | 32 km/h | 2 |
| ons, okt 7 | ⛈️ Åska | 27° / 25° | 94% · 55 mm | 19 km/h | 3 |
| tor, okt 8 | 🌦️ Duggregn | 28° / 25° | 94% · 4 mm | 22 km/h | 3 |
| fre, okt 9 | 🌦️ Light drizzle | 32° / 25° | 86% · 2 mm | 20 km/h | 7 |
| lör, okt 10 | 🌦️ Duggregn | 33° / 25° | 80% · 5 mm | 9 km/h | 8 |
| sön, okt 11 | 🌦️ Light drizzle | 32° / 25° | 84% · 2 mm | 7 km/h | 8 |
| mån, okt 12 | 🌦️ Light drizzle | 31° / 26° | 92% · 4 mm | 14 km/h | 4 |
| tis, okt 13 | 🌦️ Light drizzle | 31° / 26° | 86% · 3 mm | 11 km/h | 2 |
| ons, okt 14 | 🌦️ Light drizzle | 32° / 24° | 84% · 6 mm | 8 km/h | 1 |
| tor, okt 15 | 🌦️ Light drizzle | 32° / 24° | 69% · 2 mm | 28 km/h | 3 |
| fre, okt 16 | 🌦️ Light drizzle | 29° / 27° | 61% · 7 mm | 32 km/h | 8 |
What this means for Guam
Today is about average for oktober. The forecast high of 29°C is in line med the 30°C typical for this month.
A 98% chance means rain is expected over most of the area. Plan indoor alternatives. Around 12 mm is forecast, which is enough och soak trails and slow traffic.
Vindbyar och 59 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 juni och augusti.
The gap between the warmest and coldest month averages 1°C - an unusually even climate through the year.
Se prognosen för Guam per tidsintervall
Guam weather - more answers
Explore Guam
Every topic we hold for this place, and the same topic for the places around it.
Väder for related places
Frequently asked questions
Where is Guam?
Guam är ett land i Oceanien. Its coordinates are 13.4443, 144.7937. It lies in Oceanien.
What is the weather like in Guam just nu?
It is currently 28°C (82°F) med light drizzle. Luftfuktighet is 81% and wind is 33 km/h.
When is the best time och visit Guam?
januari, februari and december offer the most comfortable conditions in Guam, which has a tropical climate. juli, augusti and september 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 4:49 PM.
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. |
|---|---|
| Prognos and observations | Open-Meteo (ECMWF and national models). |
| Luftkvalitet and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Klimat 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 oktober 1, 2026 at 4:49 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
