← All Cities

Guam

--°

Loading...

↑--°↓--°

Feels like --°

--

Loading weather summary...

--
☀️
--°
--
☀️
--°
--
☀️
--°
--
☀️
--°
--
☀️
--°
--
☀️
--°
--
☀️
--°
--
☀️
--°
--
☀️
--°
--
☀️
--°
--
☀️
--°
--
☀️
--°
--
☀️
🌙
--°--°
--
☀️
🌙
--°--°
--
☀️
🌙
--°--°
--
☀️
🌙
--°--°
--
☀️
🌙
--°--°
--
☀️
🌙
--°--°
--
☀️
🌙
--°--°
☀️ UV Index
--
--
💨 Wind
--km/h
--
💧 Humidity
--%
Relative
🔵 Pressure
--hPa
Sea level
🌅
Sunrise
--:--
🌇
Sunset
--:--
☀️
Daylight
--hrs
--

Air Quality

Loading...

PM2.5
--
PM10
--
O₃
--
NO₂
--
📍 Weather Radar - Guam

Guam Weather Forecast – Complete Guide to Weather Conditions in Guam

Looking for accurate Guam weather information? You’ve come to the right place! Our comprehensive Guam weather forecast provides real-time meteorological data updated every 15 minutes, including current conditions, extended 16-day forecasts, hourly predictions, air quality monitoring, and UV index tracking. Whether you’re planning a trip, preparing for outdoor activities, or simply curious about the weather in Guam, Guam, this page delivers all the information you need.

Current Weather Conditions in Guam

Right now, Guam is experiencing Mainly Clear conditions. The current temperature is 28°C (feels like 30°C), with today’s high reaching 29°C and a low of 28°C. Generally favorable conditions with some cloud coverage that may provide welcome shade during warmer periods.

Current atmospheric conditions show relative humidity at 83%, barometric pressure at 1011 hPa, and winds blowing at 29 km/h. These conditions are typical for Guam during the winter season.

Guam 16-Day Weather Forecast

Our extended forecast for Guam weather shows varied conditions over the next 16 days. Average high temperatures are expected around 26°C, with lows averaging 25°C. The forecast period anticipates approximately 20.2mm of precipitation across 10 days with measurable rainfall.

Here’s a quick overview of the upcoming weather in Guam:

  • Sunday, Jan 11: Overcast, High 29°C / Low 28°C
  • Monday, Jan 12: Overcast, High 28°C / Low 27°C (28% chance of precipitation)
  • Tuesday, Jan 13: Slight Rain, High 28°C / Low 27°C (29% chance of precipitation)
  • Wednesday, Jan 14: Thunderstorm, High 28°C / Low 27°C (40% chance of precipitation)
  • Thursday, Jan 15: Slight Rain Showers, High 28°C / Low 27°C (37% chance of precipitation)
  • Friday, Jan 16: Overcast, High 28°C / Low 28°C (25% chance of precipitation)
  • Saturday, Jan 17: Overcast, High 28°C / Low 27°C (25% chance of precipitation)

Guam Air Quality Index (AQI)

The current Guam air quality index stands at 35, classified as Good. Air quality is satisfactory, and air pollution poses little or no risk. Ideal conditions for all outdoor activities.

Key pollutant readings for Guam include:

  • PM2.5 (Fine Particulate Matter): 7.2 µg/m³
  • PM10 (Coarse Particulate Matter): 12 µg/m³
  • O₃ (Ozone): 56 µg/m³

UV Index and Sun Protection in Guam

Today’s maximum Guam UV index is expected to reach 7, considered High. High UV risk. Apply SPF 30+ sunscreen, wear protective clothing, hat, and UV-blocking sunglasses. Seek shade from 10am-4pm.

Sunrise in Guam occurs at 6:47 AM, with sunset at 6:10 PM, providing approximately 11.4 hours of daylight. Plan outdoor activities during these hours while taking appropriate sun protection measures based on the UV forecast.

Geographic Information for Guam

Guam is located in Guam at coordinates 13.4443° N, 144.7937° E, in the Northern Hemisphere. The city sits at an elevation of approximately 47 meters above sea level.

This geographic position influences Guam’s climate patterns, contributing to its characteristic weather throughout the year. The latitude of 13.4443° affects day length variations and solar intensity across seasons, while the longitude of 144.7937° determines the local timezone and weather pattern timing.

Guam Climate Overview

Understanding Guam climate patterns helps visitors and residents plan activities throughout the year. The current winter season brings its typical weather characteristics to the region.

Weather patterns in Guam are influenced by its geographic location in Guam, altitude, proximity to bodies of water, and prevailing wind patterns. These factors combine to create the distinctive climate that residents and visitors experience.

Best Time to Visit Guam

Planning a trip to Guam? The best time to visit Guam depends on your preferences and planned activities. Current conditions show 28°C with Mainly Clear skies, which is suitable for prepared travelers.

Consider these factors when planning your visit:

  • Temperature preferences: Current highs around 29°C and lows near 28°C
  • Precipitation: 10 days with expected rainfall in the forecast period
  • UV exposure: UV index reaching 7 – High level protection recommended
  • Air quality: Currently Good for outdoor activities

Weather-Based Activity Recommendations for Guam

With current temperatures at 28°C and Mainly Clear conditions, today is excellent for outdoor activities in Guam. Consider visiting local parks, outdoor attractions, or taking walking tours of the city.

Frequently Asked Questions About Guam Weather

What is the weather like in Guam today?

Today in Guam, expect Mainly Clear conditions with a high of 29°C and a low of 28°C. The current temperature is 28°C with 83% humidity.

What is the UV index in Guam?

The current UV index in Guam is 7, classified as High. High UV risk. Apply SPF 30+ sunscreen, wear protective clothing, hat, and UV-blocking sunglasses. Seek shade from 10am-4pm.

Is the air quality good in Guam?

The current air quality index (AQI) in Guam is 35, rated as Good. Air quality is satisfactory, and air pollution poses little or no risk. Ideal conditions for all outdoor activities.

What is the weather forecast for Guam this week?

The 7-day forecast for Guam shows average highs of 26°C and lows of 25°C, with 10 days of expected precipitation totaling 20.2mm.

Additional Guam Weather Resources

This page provides comprehensive Guam weather data sourced from multiple meteorological services and updated in real-time. For the most accurate forecasts, we utilize:

  • Open-Meteo API – High-resolution weather forecasting
  • Air Quality API – Real-time pollution monitoring
  • UV Index API – Solar radiation measurements
  • Precipitation Radar – Live weather tracking

Bookmark this page for instant access to Guam weather forecast information whenever you need it. Data is refreshed every 15 minutes to ensure you always have the latest conditions.

Keywords: Guam weather, Guam weather forecast, Guam temperature today, Guam weather 7 day forecast, Guam weather hourly, Guam weather radar, weather in Guam Guam, Guam air quality, Guam UV index, best time to visit Guam