Old Fountain Trail, WY 14 Day Weather
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Old Fountain Trail, WY Weather Forecast


Old Fountain Trail, WY Weather Forecast Dated: 127 PM Mon Aug 31 2026 (Old Fountain Trail Time)
Expect a mild stretch with a mix of sun and clouds and occasional showers over the next two weeks. comfortable humidity and no major pressure swings will dominate.
Monday, August 31, 2026
Mid-Morning
48°F 9°C
Sunny
Mid-Afternoon
69°F 20°C
Sunny
Early-Evening
59°F 16°C
Sunny
Cool with mostly sunny skies in the morning, mostly sunny in the afternoon, and partly sunny in the evening, steady humidity and barometric pressure falling. Winds shifting from SSE to SE at 7 mph 11 km/h.
Tuesday, September 1, 2026
Mid-Morning
52°F 11°C
Overcast
Mid-Afternoon
71°F 21°C
Partly Cloudy
Early-Evening
61°F 16°C
Overcast
Warm with mostly cloudy skies in the morning, partly sunny in the afternoon, and mostly cloudy in the evening, lower humidity and barometric pressure falling. Winds S at 4 mph 6 km/h.
Wednesday, September 2, 2026
Mid-Morning
56°F 14°C
Overcast
Mid-Afternoon
69°F 21°C
Overcast
Early-Evening
58°F 14°C
Sunny
Cool with overcast skies, lower humidity and steady pressure. Winds increasing from the SSE at 4 mph 7 km/h to SW at 17 mph 27 km/h.
Thursday, September 3, 2026
Mid-Morning
51°F 11°C
Cloudy
Mid-Afternoon
67°F 20°C
Overcast
Early-Evening
59°F 15°C
Sunny
Cool with overcast skies, steady humidity and barometric pressure falling. Winds shifting from S to SE at 8 mph 14 km/h.
Friday, September 4, 2026
Mid-Morning
57°F 14°C
Sunny
Mid-Afternoon
72°F 22°C
Sunny
Early-Evening
64°F 18°C
Cloudy
Warm with mostly sunny skies in the morning, mostly sunny in the afternoon, and mostly cloudy in the evening, steady humidity and steady pressure. Winds shifting from SE to ESE at 10 mph 16 km/h.
Saturday, September 5, 2026
Mid-Morning
55°F 13°C
Sunny
Mid-Afternoon
72°F 22°C
Sunny
Early-Evening
63°F 17°C
Sunny
Warm with mostly sunny skies in the morning, then mostly sunny for the afternoon and evening, lower humidity and steady pressure. Winds shifting from SE to SSE at 8 mph 13 km/h.
Sunday, September 6, 2026
Mid-Morning
60°F 16°C
Sunny
Mid-Afternoon
72°F 22°C
Overcast
Early-Evening
65°F 19°C
Overcast
Warm with overcast skies, lower humidity and steady pressure. Winds shifting from S to SW at 11 mph 18 km/h.
Monday, September 7, 2026
Mid-Morning
55°F 13°C
Overcast
Mid-Afternoon
74°F 24°C
Sunny
Early-Evening
67°F 19°C
Sunny
Warm with mostly cloudy skies in the morning, then mostly sunny for the afternoon and evening, steady humidity and barometric pressure falling. Winds increasing from the S at 2 mph 4 km/h to SSW at 10 mph 16 km/h.
Tuesday, September 8, 2026
Mid-Morning
61°F 16°C
Sunny
Mid-Afternoon
78°F 25°C
Overcast
Early-Evening
65°F 19°C
Overcast
Warm with overcast skies, steady humidity and barometric pressure falling. Winds WSW at 18 mph 29 km/h.
Wednesday, September 9, 2026
Mid-Morning
61°F 16°C
Scattered Showers
Mid-Afternoon
76°F 24°C
Sunny
Early-Evening
67°F 19°C
Sunny
Warm with mostly cloudy skies in the morning, then mostly sunny for the afternoon and evening, lower humidity and steady pressure. Winds shifting from SSW to S at 11 mph 18 km/h.
Thursday, September 10, 2026
Mid-Morning
62°F 17°C
Sunny
Mid-Afternoon
81°F 27°C
Sunny
Early-Evening
69°F 21°C
Overcast
Very warm with mostly sunny skies in the morning, mostly sunny in the afternoon, and mostly cloudy in the evening, lower humidity and steady pressure. Winds increasing from the ENE at 2 mph 3 km/h to NNE at 10 mph 15 km/h.
Friday, September 11, 2026
Mid-Morning
59°F 15°C
Overcast
Mid-Afternoon
65°F 19°C
Scattered Showers
Early-Evening
60°F 16°C
Light Showers
Cool with a mix of sun and clouds, increasing humidity and steady pressure. Spotty showers, dry in most areas.
Saturday, September 12, 2026
Mid-Morning
55°F 13°C
Scattered Showers
Mid-Afternoon
69°F 20°C
Sunny
Early-Evening
59°F 15°C
Sunny
Cool with a mix of sun and clouds, lower humidity and steady pressure. Winds shifting from SW to S at 9 mph 15 km/h.
Sunday, September 13, 2026
Mid-Morning
55°F 13°C
Sunny
Mid-Afternoon
74°F 23°C
Sunny
Early-Evening
64°F 18°C
Sunny
Warm with mostly sunny skies in the morning, mostly sunny in the afternoon, and partly sunny in the evening, steady humidity and barometric pressure falling. Winds shifting from ESE to SE at 5 mph 7 km/h.
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