10-Day Weather Forecast for Guam

Six-hourly outlook through Tuesday 27 October. Updated every three hours via MET Norway.

Day
Night
22:00
Morning
04:00
Afternoon
10:00
Evening
16:00
Sunday
18 Oct
—
—
Heavy rain
26°C (79°F)
21 mm (0.8 in)
Heavy rain
26°C (79°F)
14 mm (0.6 in)
Hourly ›
Monday
19 Oct
Heavy rain
26°C (79°F)
14 mm (0.6 in)
Heavy rain
24°C (75°F)
6.2 mm (0.2 in)
Heavy rain
28°C (82°F)
7 mm (0.3 in)
Rain
27°C (81°F)
1.7 mm (0.1 in)
Hourly ›
Tuesday
20 Oct
Cloudy
26°C (79°F)
0.2 mm (0.01 in)
Cloudy
27°C (81°F)
0.2 mm (0.01 in)
Partly cloudy
31°C (88°F)
0.3 mm (0.01 in)
Partly cloudy
31°C (88°F)
0 mm (0 in)
Hourly ›
Wednesday
21 Oct
Partly cloudy
27°C (81°F)
0 mm (0 in)
Cloudy
26°C (79°F)
0.2 mm (0.01 in)
Cloudy
31°C (88°F)
0.2 mm (0.01 in)
Cloudy
31°C (88°F)
0.4 mm (0.02 in)
Hourly ›
Thursday
22 Oct
Partly cloudy
26°C (79°F)
0.5 mm (0.02 in)
Rain
25°C (77°F)
1.8 mm (0.1 in)
Light rain
28°C (82°F)
0.9 mm (0.04 in)
Rain showers
30°C (86°F)
2.5 mm (0.1 in)
Hourly ›
Friday
23 Oct
Rain
23°C (73°F)
2.6 mm (0.1 in)
Rain
24°C (75°F)
2.8 mm (0.1 in)
Light rain showers
29°C (84°F)
0.7 mm (0.03 in)
Partly cloudy
29°C (84°F)
0.2 mm (0.01 in)
Hourly ›
Saturday
24 Oct
Light rain showers
27°C (81°F)
0.8 mm (0.03 in)
Light rain
26°C (79°F)
0.9 mm (0.04 in)
Rain
31°C (88°F)
1.4 mm (0.1 in)
Light rain showers
31°C (88°F)
0.9 mm (0.04 in)
Hourly ›
Sunday
25 Oct
Cloudy
26°C (79°F)
0.3 mm (0.01 in)
Light rain
26°C (79°F)
0.6 mm (0.02 in)
Light rain
31°C (88°F)
0.6 mm (0.02 in)
Light rain showers
31°C (88°F)
0.5 mm (0.02 in)
Hourly ›
Monday
26 Oct
Partly cloudy
26°C (79°F)
0.2 mm (0.01 in)
Mostly sunny
25°C (77°F)
0.4 mm (0.02 in)
Rain showers
31°C (88°F)
2.7 mm (0.1 in)
Light rain
30°C (86°F)
0.5 mm (0.02 in)
Hourly ›
Tuesday
27 Oct
Cloudy
26°C (79°F)
0 mm (0 in)
Light rain showers
26°C (79°F)
0.6 mm (0.02 in)
Light rain showers
31°C (88°F)
0.8 mm (0.03 in)
Partly cloudy
30°C (86°F)
0.2 mm (0.01 in)
Hourly ›
Data from MET Norway · Updated every three hours.

What's the weather in Guam this week?

Today's weather - Sunday 18 Oct

For the rest of Sunday the predicted weather in Guam is heavy rain during the afternoon and evening. The temperature will be around 26°C (79°F).

Tomorrow's weather - Monday 19 Oct

On Monday, Guam will be heavy rain throughout the day. Temperatures will range from a warm 24°C (75°F) to a warm 28°C (82°F).

10-Day Weather Forecast

Over the next 10 days, temperatures in Guam will be will reach 31°C (88°F) on Saturday before declining again, with average daytime highs of 30°C (86°F) and nighttime lows of 25°C (77°F) over this period. Compared to October norms, this represents typical weather. The next 10 days will feature a mix of sun and clouds. Rain amounts will be close to average, with some rainy days. Precipitation is likely on about 6 days (Sun, Mon, Thu, Fri, Sat, Sun). Expect windy conditions with gusts up to 17 m/s wind conditions.

Weather Forecast FAQ for Guam

When will be the warmest day next week?

The warmest day is expected to be Saturday with a high of 31°C (88°F).

When will be the coldest day?

The coldest day is forecasted for Friday with a low of 23°C (73°F).

Will it rain next week in Guam?

Yes, rain is expected on 6 days , specifically on Sun, Mon, Thu, Fri, Sat, Sun.

How much rainfall is expected next week?

A total of 83 mm (3.3 in) of rain is forecasted for the 10-day period.

What will be the temperature range next week?

Temperatures will range from 23°C (73°F) to 31°C (88°F).

Will it be windy next week?

Yes, expect windy conditions with gusts up to 17 m/s during the forecast period.

More about Guam

Explore the full Guam climate overview with monthly averages, or check rainfall data and temperature by month.

Guam weather by month

Browse monthly averages for Guam: climate by month with temperature, rainfall and sunshine.

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