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Piti, Guam Weather Forecast
Piti, GU Weather Forecast Dated: 942 AM Mon Aug 31 2026 (Piti Time)
Expect a very warm period with more clouds than sun and frequent chances of rain over the next two weeks. generally humid conditions and no major pressure swings will dominate. A few thunderstorms possible.
Monday, August 31, 2026
Mid-Morning
83°F 28°C
Scattered Showers
Mid-Afternoon
84°F 29°C
Sunny
Early-Evening
83°F 28°C
Scattered Showers
Very warm with a mix of sun and clouds, steady humidity and steady pressure.
Tuesday, September 1, 2026
Mid-Morning
83°F 28°C
Sunny
Mid-Afternoon
84°F 29°C
Scattered Showers
Early-Evening
82°F 28°C
Scattered Showers
Very warm with a mix of sun and clouds, steady humidity and steady pressure. A few spotty showers; otherwise dry.
Wednesday, September 2, 2026
Mid-Morning
83°F 28°C
Sunny
Mid-Afternoon
84°F 29°C
Scattered Showers
Early-Evening
81°F 27°C
Light Showers
Very warm with a mix of sun and clouds, steady humidity and steady pressure. Scattered showers, some areas remaining dry. Winds E at 10 mph 16 km/h.
Thursday, September 3, 2026
Mid-Morning
80°F 27°C
Light Showers
Mid-Afternoon
81°F 27°C
Light Showers
Early-Evening
81°F 27°C
Light Showers
Very warm with a mix of sun and clouds, steady humidity and steady pressure. Thunderstorms possible in the afternoon. Winds SW at 23 mph 38 km/h.
Friday, September 4, 2026
Mid-Morning
82°F 28°C
Scattered Showers
Mid-Afternoon
83°F 28°C
Scattered Showers
Early-Evening
82°F 28°C
Scattered Showers
Very warm with a mix of sun and clouds, steady humidity and steady pressure. Scattered showers, some areas remaining dry. Thunderstorms possible in the afternoon. Winds shifting from SW to WSW at 14 mph 23 km/h.
Saturday, September 5, 2026
Mid-Morning
82°F 28°C
Light Showers
Mid-Afternoon
83°F 28°C
Light Showers
Early-Evening
82°F 28°C
Scattered Showers
Very warm with a mix of sun and clouds, steady humidity and steady pressure. Thunderstorms possible in the afternoon. Winds WSW at 13 mph 20 km/h.
Sunday, September 6, 2026
Mid-Morning
81°F 27°C
Light Showers
Mid-Afternoon
82°F 28°C
Light Showers
Early-Evening
80°F 27°C
Light Showers
Very warm with a mix of sun and clouds, steady humidity and steady pressure. Thunderstorms possible in the afternoon. Winds SSW at 8 mph 13 km/h.
Monday, September 7, 2026
Mid-Morning
82°F 28°C
Overcast
Mid-Afternoon
81°F 27°C
Light Showers
Early-Evening
81°F 27°C
Light Showers
Very warm with a mix of sun and clouds, steady humidity and steady pressure. A stray shower or storm late in the day. Winds SSW at 10 mph 16 km/h.
Tuesday, September 8, 2026
Mid-Morning
82°F 28°C
Overcast
Mid-Afternoon
83°F 29°C
Scattered Showers
Early-Evening
82°F 28°C
Light Showers
Very warm with a mix of sun and clouds, steady humidity and steady pressure. Spotty showers, dry in most areas. A stray shower or storm late in the day. Winds SSW at 12 mph 20 km/h.
Wednesday, September 9, 2026
Mid-Morning
83°F 28°C
Scattered Showers
Mid-Afternoon
83°F 29°C
Scattered Showers
Early-Evening
82°F 28°C
Overcast
Very warm with a mix of sun and clouds, steady humidity and steady pressure. A few spotty showers; otherwise dry. Winds SSW at 9 mph 14 km/h.
Thursday, September 10, 2026
Mid-Morning
82°F 28°C
Overcast
Mid-Afternoon
83°F 29°C
Overcast
Early-Evening
82°F 28°C
Overcast
Very warm with overcast skies, steady humidity and steady pressure. Winds shifting from SSW to W at 7 mph 11 km/h.
Friday, September 11, 2026
Mid-Morning
82°F 28°C
Overcast
Mid-Afternoon
84°F 29°C
Overcast
Early-Evening
83°F 28°C
Overcast
Very warm with overcast skies, steady humidity and steady pressure.
Saturday, September 12, 2026
Mid-Morning
82°F 28°C
Overcast
Mid-Afternoon
84°F 29°C
Overcast
Early-Evening
82°F 28°C
Scattered Showers
Very warm with overcast skies, steady humidity and steady pressure. Winds WSW at 12 mph 20 km/h.
Sunday, September 13, 2026
Mid-Morning
81°F 27°C
Scattered Showers
Mid-Afternoon
79°F 26°C
Light Showers
Early-Evening
81°F 27°C
Light Showers
Warm with a mix of sun and clouds, steady humidity and steady pressure. A stray shower or storm late in the day. Winds shifting from WSW to SW at 19 mph 30 km/h.
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