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Mammoth, UT Weather Forecast


Mammoth, UT Weather Forecast Dated: 953 AM Tue Sep 15 2026
Expect a mild stretch with plenty of sunshine and mostly dry weather over the coming period. comfortable humidity and no major pressure swings will dominate.
Tuesday, September 15, 2026
Mid-Morning
59°F 15°C
Overcast
Mid-Afternoon
81°F 27°C
Dust Haze
Early-Evening
79°F 26°C
Sunny
Warm and summery near 81°F 27°C, overcast through the afternoon, turning sunny this evening, with steady humidity and barometric pressure falling. Winds picking up from E at 2 mph 4 km/h to SW at 22 mph 35 km/h. Gusts up to 33 mph 53 km/h.
Wednesday, September 16, 2026
Mid-Morning
61°F 16°C
Scattered Showers
Mid-Afternoon
82°F 28°C
Cloudy
Early-Evening
71°F 21°C
Scattered Showers
Balmy with temperatures reaching 82°F 28°C, scattered downpours possible, with lower humidity and steady pressure. Winds switching from the ENE to the ESE at 7 mph 10 km/h.
Thursday, September 17, 2026
Mid-Morning
68°F 20°C
Cloudy
Mid-Afternoon
81°F 27°C
Overcast
Early-Evening
77°F 26°C
Scattered Showers
Quite warm around 81°F 27°C, locally heavy downpours at times, with lower humidity and barometric pressure falling. Winds increasing from the SSE at 3 mph 4 km/h to SW at 17 mph 26 km/h. Gusts up to 25 mph 41 km/h.
Friday, September 18, 2026
Mid-Morning
65°F 18°C
Sunny
Mid-Afternoon
80°F 27°C
Cloudy
Early-Evening
70°F 21°C
Sunny
Warm temperatures up to 80°F 27°C, sunny in the morning, cloudy in the afternoon, and partly cloudy this evening, with lower humidity and barometric pressure falling. Winds swinging from the S to the NE at 9 mph 14 km/h.
Saturday, September 19, 2026
Mid-Morning
59°F 15°C
Sunny
Mid-Afternoon
74°F 23°C
Sunny
Early-Evening
66°F 19°C
Sunny
Mild with a high of 74°F 23°C, sunny throughout the day, with lower humidity and steady pressure. Winds blowing from the NW at 11 mph 17 km/h.
Sunday, September 20, 2026
Mid-Morning
57°F 14°C
Sunny
Mid-Afternoon
75°F 24°C
Overcast
Early-Evening
67°F 20°C
Overcast
Pleasant near 75°F 24°C, partly cloudy in the morning, becoming overcast through the afternoon and evening, with lower humidity and barometric pressure falling.
Monday, September 21, 2026
Mid-Morning
61°F 16°C
Partly Cloudy
Mid-Afternoon
80°F 27°C
Overcast
Early-Evening
70°F 21°C
Overcast
Balmy with temperatures reaching 80°F 27°C, partly cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and barometric pressure falling.
Tuesday, September 22, 2026
Mid-Morning
64°F 18°C
Partly Cloudy
Mid-Afternoon
78°F 26°C
Sunny
Early-Evening
70°F 21°C
Sunny
Enjoyable around 78°F 26°C, cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds turning from the SSW to the NW at 7 mph 11 km/h.
Wednesday, September 23, 2026
Mid-Morning
61°F 16°C
Sunny
Mid-Afternoon
80°F 26°C
Sunny
Early-Evening
70°F 21°C
Sunny
Warm temperatures up to 80°F 26°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds switching from the NE to the NW at 6 mph 9 km/h.
Thursday, September 24, 2026
Mid-Morning
64°F 18°C
Sunny
Mid-Afternoon
83°F 28°C
Sunny
Early-Evening
74°F 24°C
Sunny
Very warm with a high of 83°F 28°C, sunny throughout the day, with steady humidity and barometric pressure falling.
Friday, September 25, 2026
Mid-Morning
67°F 19°C
Sunny
Mid-Afternoon
85°F 29°C
Sunny
Early-Evening
73°F 23°C
Scattered Showers
Warm and summery near 85°F 29°C, scattered downpours possible, with steady humidity and barometric pressure falling. Winds building from S at 4 mph 6 km/h to SSW at 13 mph 21 km/h. Gusts up to 20 mph 32 km/h.
Saturday, September 26, 2026
Mid-Morning
66°F 19°C
Scattered Showers
Mid-Afternoon
80°F 27°C
Sunny
Early-Evening
73°F 23°C
Sunny
Balmy with temperatures reaching 80°F 27°C, locally heavy downpours at times, with lower humidity and barometric pressure falling. Winds increasing from the S at 7 mph 11 km/h to SSW at 24 mph 39 km/h. Gusts up to 40 mph 64 km/h.
Sunday, September 27, 2026
Mid-Morning
52°F 11°C
Sunny
Mid-Afternoon
62°F 17°C
Sunny
Early-Evening
55°F 13°C
Sunny
Refreshing around 62°F 17°C, sunny throughout the day, with lower humidity and steady pressure. Winds out of the NNW at 8 mph 13 km/h.
Monday, September 28, 2026
Mid-Morning
50°F 10°C
Sunny
Mid-Afternoon
69°F 21°C
Sunny
Early-Evening
62°F 17°C
Sunny
Mild temperatures up to 69°F 21°C, sunny throughout the day, with steady humidity and barometric pressure falling.
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