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Mongmong, Guam Weather Forecast


Mongmong, GU Weather Forecast Dated: 323 AM Mon Oct 19 2026
Expect a very warm period with a mix of sun and clouds and occasional showers over the coming period. generally humid conditions and no major pressure swings will dominate. A few thunderstorms possible.
Monday, October 19, 2026
Mid-Morning
27°C 80°F
Light Showers
Mid-Afternoon
27°C 81°F
Nearby Thunderstorms
Early-Evening
27°C 80°F
Light Showers
Warm and summery around 27°C 81°F (feels like 32°C 89°F), periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Thunderstorms possible in the afternoon and evening. Winds easing from SSE 35 km/h 22 mph to SE 22 km/h 14 mph. Gusts up to 36 km/h 22 mph.
Tuesday, October 20, 2026
Mid-Morning
28°C 82°F
Nearby Thunderstorms
Mid-Afternoon
29°C 84°F
Overcast
Early-Evening
27°C 81°F
Overcast
Quite warm reaching 29°C 84°F, feeling like 33°C 92°F during peak afternoon, locally heavy thunderstorms at times, with steady humidity and steady pressure. Winds switching from the ESE to the E at 12 km/h 7 mph.
Wednesday, October 21, 2026
Mid-Morning
27°C 81°F
Overcast
Mid-Afternoon
28°C 82°F
Sunny
Early-Evening
27°C 80°F
Clear
Very warm near 28°C 82°F, though humidity makes it feel like 32°C 90°F, overcast in the morning, sunny in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure. Winds NE at 18 km/h 11 mph.
Thursday, October 22, 2026
Mid-Morning
27°C 81°F
Sunny
Mid-Afternoon
28°C 82°F
Sunny
Early-Evening
27°C 80°F
Clear
Warm and summery around 28°C 82°F (feels like 32°C 89°F), sunny throughout the day, with steady humidity and steady pressure. Winds out of the NE at 17 km/h 11 mph.
Friday, October 23, 2026
Mid-Morning
27°C 81°F
Scattered Showers
Mid-Afternoon
28°C 82°F
Scattered Showers
Early-Evening
27°C 80°F
Clear
Quite warm reaching 28°C 82°F, feeling like 32°C 89°F during peak afternoon, scattered downpours possible, with steady humidity and steady pressure. A stray shower or storm late in the day. Winds shifting from the ENE to the E at 15 km/h 9 mph.
Saturday, October 24, 2026
Mid-Morning
28°C 82°F
Partly Cloudy
Mid-Afternoon
29°C 83°F
Cloudy
Early-Evening
27°C 81°F
Cloudy
Very warm near 29°C 83°F, though humidity makes it feel like 32°C 90°F, partly cloudy in the morning, overcast in the afternoon, and cloudy this evening, with steady humidity and steady pressure. Winds turning from the E to the ENE at 11 km/h 7 mph.
Sunday, October 25, 2026
Mid-Morning
27°C 81°F
Overcast
Mid-Afternoon
28°C 82°F
Scattered Showers
Early-Evening
27°C 81°F
Scattered Showers
Warm and summery around 28°C 82°F (feels like 31°C 89°F), periods of heavy rain and gusty conditions, with steady humidity and steady pressure.
Monday, October 26, 2026
Mid-Morning
28°C 82°F
Overcast
Mid-Afternoon
28°C 83°F
Drizzle
Early-Evening
27°C 81°F
Light Showers
Quite warm reaching 28°C 83°F, feeling like 32°C 90°F during peak afternoon, clouds and showers taking over for the afternoon and evening, with steady humidity and steady pressure. A stray shower or storm late in the day.
Tuesday, October 27, 2026
Mid-Morning
27°C 81°F
Cloudy
Mid-Afternoon
28°C 82°F
Scattered Showers
Early-Evening
27°C 81°F
Scattered Showers
Very warm near 28°C 82°F, though humidity makes it feel like 32°C 89°F, locally heavy downpours at times, with steady humidity and steady pressure.
Wednesday, October 28, 2026
Mid-Morning
27°C 81°F
Overcast
Mid-Afternoon
28°C 82°F
Cloudy
Early-Evening
27°C 80°F
Scattered Showers
Warm and summery around 28°C 82°F (feels like 32°C 89°F), periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds switching from the NNE to the NE at 13 km/h 9 mph.
Thursday, October 29, 2026
Mid-Morning
27°C 80°F
Partly Cloudy
Mid-Afternoon
27°C 81°F
Overcast
Early-Evening
26°C 78°F
Cloudy
Quite warm reaching 27°C 81°F, feeling like 30°C 86°F during peak afternoon, partly cloudy in the morning, cloudy in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure. Winds blowing from the NNE at 17 km/h 11 mph.
Friday, October 30, 2026
Mid-Morning
27°C 80°F
Partly Cloudy
Mid-Afternoon
28°C 82°F
Cloudy
Early-Evening
26°C 79°F
Clear
Very warm near 28°C 82°F, though humidity makes it feel like 30°C 86°F, cloudy in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure.
Saturday, October 31, 2026
Mid-Morning
27°C 80°F
Sunny
Mid-Afternoon
28°C 82°F
Sunny
Early-Evening
26°C 79°F
Partly Cloudy
Warm and summery around 28°C 82°F (feels like 30°C 86°F), partly cloudy through the afternoon, turning cloudy this evening, with steady humidity and steady pressure.
Sunday, November 1, 2026
Mid-Morning
26°C 79°F
Sunny
Mid-Afternoon
28°C 82°F
Sunny
Early-Evening
26°C 79°F
Clear
Quite warm reaching 28°C 82°F, feeling like 30°C 86°F during peak afternoon, cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure.
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