Guam Vær Værmelding
Guam weather: 28°C, light drizzle. Time for time forecast, 14-day outlook, UV, air quality and the best time til 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 12 mm is forecast, which is enough til soak trails and slow traffic.
Over the next 7 days, about 166 mm of precipitation is forecast, med the wettest days falling on tor, fre, lør, søn, man, tir and ons.
Regnfall over the next 7 days is close til normal for oktober (166 mm against a typical 87 mm).
16-day forecast for Guam
Maks. / Min.; Nedbør; UV
| Dag | Forhold | Maks. / Min. | Nedbør | Vind | UV |
|---|---|---|---|---|---|
| tor, okt 1 | 🌦️ Light showers | 29° / 26° | 98% · 12 mm | 33 km/h | 7 |
| fre, okt 2 | ⛈️ Tordenvær | 30° / 25° | 100% · 28 mm | 48 km/h | 2 |
| lør, okt 3 | ⛈️ Tordenvær | 29° / 26° | 100% · 15 mm | 49 km/h | 5 |
| søn, okt 4 | ⛈️ Tordenvær | 30° / 25° | 98% · 16 mm | 48 km/h | 8 |
| man, okt 5 | ⛈️ Tordenvær | 31° / 26° | 94% · 16 mm | 42 km/h | 9 |
| tir, okt 6 | ⛈️ Tordenvær | 31° / 25° | 93% · 25 mm | 32 km/h | 2 |
| ons, okt 7 | ⛈️ Tordenvær | 27° / 25° | 94% · 55 mm | 19 km/h | 3 |
| tor, okt 8 | 🌦️ Yr | 28° / 25° | 94% · 4 mm | 22 km/h | 3 |
| fre, okt 9 | 🌦️ Light drizzle | 32° / 25° | 86% · 2 mm | 20 km/h | 7 |
| lør, okt 10 | 🌦️ Yr | 33° / 25° | 80% · 5 mm | 9 km/h | 8 |
| søn, okt 11 | 🌦️ Light drizzle | 32° / 25° | 84% · 2 mm | 7 km/h | 8 |
| man, okt 12 | 🌦️ Light drizzle | 31° / 26° | 92% · 4 mm | 14 km/h | 4 |
| tir, 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 til soak trails and slow traffic.
Vindkast til 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 til august.
The gap between the warmest and coldest month averages 1°C - an unusually even climate through the year.
What til pack, what til skip
- Lightweight, light-coloured clothing and a refillable water bottle
- sønglasses, 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 59 km/h.
- If your dates are flexible, avoid juli, august and september - historically the least comfortable months here.
Se prognosen for Guam etter tidsintervall
Guam weather - more answers
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Frequently asked questions
Where is Guam?
Guam er et land i Oseania. Its coordinates are 13.4443, 144.7937. It lies in Oseania.
What is the weather like in Guam akkurat nå?
It is currently 28°C (82°F) med light drizzle. Luftfuktighet is 81% and wind is 33 km/h.
When is the best time til visit Guam?
januar, februar and desember offer the most comfortable conditions in Guam, which has a tropical climate. juli, august 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 6:19 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. |
|---|---|
| Værmelding and observations | Open-Meteo (ECMWF and national models). |
| Luftkvalitet 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 oktober 1, 2026 at 6:19 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
