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Riverton, UT Weather Forecast


Riverton, UT Weather Forecast Dated: 300 AM Sat Sep 05 2026
Expect a very warm period with a mix of sun and clouds and mostly dry weather over the coming period. comfortable humidity and no major pressure swings will dominate.
Saturday, September 5, 2026
Mid-Morning
75°F 24°C
Sunny
Mid-Afternoon
83°F 28°C
Sunny
Early-Evening
76°F 25°C
Sunny
Warm and summery near 83°F 28°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds turning from the S to the SSW at 13 mph 20 km/h. Gusts up to 20 mph 33 km/h.
Sunday, September 6, 2026
Mid-Morning
69°F 21°C
Sunny
Mid-Afternoon
82°F 28°C
Overcast
Early-Evening
58°F 15°C
Scattered Showers
Balmy with temperatures reaching 82°F 28°C, scattered downpours possible, with increasing humidity and steady pressure. Winds blowing from the SSW at 21 mph 35 km/h.
Monday, September 7, 2026
Mid-Morning
62°F 17°C
Sunny
Mid-Afternoon
78°F 26°C
Sunny
Early-Evening
68°F 20°C
Sunny
Enjoyable around 78°F 26°C, sunny throughout the day, with lower humidity and steady pressure. Winds moving from the S to the NNW at 9 mph 15 km/h.
Tuesday, September 8, 2026
Mid-Morning
64°F 18°C
Sunny
Mid-Afternoon
81°F 27°C
Sunny
Early-Evening
72°F 22°C
Sunny
Warm temperatures up to 81°F 27°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds swinging from the SSE to the NNW at 6 mph 9 km/h.
Wednesday, September 9, 2026
Mid-Morning
72°F 22°C
Sunny
Mid-Afternoon
89°F 32°C
Cloudy
Early-Evening
74°F 24°C
Overcast
Very warm with a high of 89°F 32°C, sunny in the morning, cloudy in the afternoon, and overcast this evening, with increasing humidity and steady pressure. Winds shifting from the S to the NW at 10 mph 16 km/h.
Thursday, September 10, 2026
Mid-Morning
65°F 18°C
Overcast
Mid-Afternoon
70°F 21°C
Cloudy
Early-Evening
67°F 20°C
Drizzle
Pleasant near 70°F 21°C, dry most of the day, with showers developing late, with steady humidity and steady pressure. Winds turning from the SSW to the S at 10 mph 16 km/h.
Friday, September 11, 2026
Mid-Morning
67°F 20°C
Partly Cloudy
Mid-Afternoon
83°F 28°C
Cloudy
Early-Evening
77°F 25°C
Overcast
Balmy with temperatures reaching 83°F 28°C, partly cloudy in the morning, cloudy in the afternoon, and overcast this evening, with lower humidity and barometric pressure falling. Winds switching from the S to the SSE at 9 mph 14 km/h.
Saturday, September 12, 2026
Mid-Morning
66°F 19°C
Scattered Showers
Mid-Afternoon
75°F 24°C
Overcast
Early-Evening
70°F 21°C
Overcast
Enjoyable around 75°F 24°C, scattered downpours possible, with lower humidity and steady pressure. Winds blowing from the SSE at 13 mph 20 km/h.
Sunday, September 13, 2026
Mid-Morning
68°F 20°C
Sunny
Mid-Afternoon
80°F 27°C
Sunny
Early-Evening
72°F 22°C
Sunny
Warm temperatures up to 80°F 27°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure. Winds swinging from the S to the SW at 7 mph 11 km/h.
Monday, September 14, 2026
Mid-Morning
67°F 19°C
Sunny
Mid-Afternoon
81°F 27°C
Overcast
Early-Evening
72°F 22°C
Overcast
Very warm with a high of 81°F 27°C, sunny in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure. Winds shifting from the S to the WSW at 5 mph 8 km/h.
Tuesday, September 15, 2026
Mid-Morning
68°F 20°C
Overcast
Mid-Afternoon
81°F 27°C
Overcast
Early-Evening
72°F 22°C
Overcast
Warm and summery near 81°F 27°C, overcast throughout the day, with steady humidity and steady pressure. Winds turning from the S to the SW at 6 mph 10 km/h.
Wednesday, September 16, 2026
Mid-Morning
65°F 18°C
Sunny
Mid-Afternoon
82°F 28°C
Sunny
Early-Evening
73°F 23°C
Sunny
Balmy with temperatures reaching 82°F 28°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds switching from the SSE to the SE at 9 mph 14 km/h.
Thursday, September 17, 2026
Mid-Morning
69°F 21°C
Cloudy
Mid-Afternoon
85°F 30°C
Sunny
Early-Evening
78°F 26°C
Partly Cloudy
Quite warm around 85°F 30°C, overcast in the morning, sunny in the afternoon, and cloudy this evening, with lower humidity and barometric pressure falling. Winds out of the S at 15 mph 24 km/h. Gusts up to 22 mph 35 km/h.
Friday, September 18, 2026
Mid-Morning
66°F 19°C
Sunny
Mid-Afternoon
82°F 28°C
Sunny
Early-Evening
72°F 22°C
Sunny
Warm temperatures up to 82°F 28°C, sunny throughout the day, with lower humidity and steady pressure. Winds swinging from the S to the NNW at 5 mph 8 km/h.
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