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Lyons, CO Weather Forecast
Lyons, CO Weather Forecast Dated: 1018 AM Fri Sep 04 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.
Friday, September 4, 2026
Mid-Morning
76°F 24°C
Sunny
Mid-Afternoon
89°F 32°C
Sunny
Early-Evening
76°F 25°C
Cloudy
Warm and summery near 89°F 32°C, sunny through the afternoon, turning overcast this evening, with steady humidity and steady pressure. Winds turning from the SSE to the WSW at 8 mph 12 km/h.
Saturday, September 5, 2026
Mid-Morning
78°F 26°C
Sunny
Mid-Afternoon
88°F 31°C
Overcast
Early-Evening
67°F 20°C
Scattered Showers
Balmy with temperatures reaching 88°F 31°C, scattered downpours possible, with increasing humidity and steady pressure. Winds building from SSE at 0 mph 1 km/h to SW at 11 mph 18 km/h.
Sunday, September 6, 2026
Mid-Morning
76°F 24°C
Overcast
Mid-Afternoon
78°F 26°C
Scattered Showers
Early-Evening
65°F 18°C
Light Showers
Enjoyable around 78°F 26°C, locally heavy downpours at times, with increasing humidity and steady pressure. Winds moving from the NNW to the WNW at 8 mph 12 km/h.
Monday, September 7, 2026
Mid-Morning
78°F 25°C
Overcast
Mid-Afternoon
81°F 27°C
Overcast
Early-Evening
67°F 20°C
Partly Cloudy
Warm temperatures up to 81°F 27°C, overcast through the afternoon, turning partly cloudy this evening, with increasing humidity and barometric pressure rising. Winds swinging from the S to the NNW at 6 mph 10 km/h.
Tuesday, September 8, 2026
Mid-Morning
72°F 22°C
Overcast
Mid-Afternoon
89°F 32°C
Overcast
Early-Evening
73°F 23°C
Overcast
Very warm with a high of 89°F 32°C, overcast throughout the day, with increasing humidity and steady pressure. Winds shifting from the SE to the SSW at 10 mph 16 km/h.
Wednesday, September 9, 2026
Mid-Morning
66°F 19°C
Partly Cloudy
Mid-Afternoon
83°F 28°C
Nearby Thunderstorms
Early-Evening
72°F 22°C
Overcast
Warm and summery near 83°F 28°C, heavy thunderstorms conditions at times, with lower humidity and steady pressure. Winds turning from the ESE to the W at 7 mph 12 km/h.
Thursday, September 10, 2026
Mid-Morning
74°F 23°C
Overcast
Mid-Afternoon
83°F 28°C
Scattered Showers
Early-Evening
71°F 22°C
Sunny
Balmy with temperatures reaching 83°F 28°C, periods of heavy rain and gusty conditions, with increasing humidity and steady pressure.
Friday, September 11, 2026
Mid-Morning
70°F 21°C
Partly Cloudy
Mid-Afternoon
82°F 28°C
Overcast
Early-Evening
70°F 21°C
Scattered Showers
Quite warm around 82°F 28°C, scattered downpours possible, with steady humidity and steady pressure.
Saturday, September 12, 2026
Mid-Morning
73°F 23°C
Sunny
Mid-Afternoon
85°F 30°C
Overcast
Early-Evening
70°F 21°C
Scattered Showers
Warm temperatures up to 85°F 30°C, locally heavy downpours at times, with increasing humidity and steady pressure.
Sunday, September 13, 2026
Mid-Morning
58°F 15°C
Sunny
Mid-Afternoon
75°F 24°C
Scattered Showers
Early-Evening
66°F 19°C
Sunny
Mild with a high of 75°F 24°C, periods of heavy rain and gusty conditions, with steady humidity and barometric pressure falling. Winds switching from the E to the WNW at 7 mph 11 km/h.
Monday, September 14, 2026
Mid-Morning
69°F 21°C
Sunny
Mid-Afternoon
81°F 27°C
Scattered Showers
Early-Evening
73°F 23°C
Light Showers
Warm and summery near 81°F 27°C, scattered downpours possible, with steady humidity and barometric pressure falling. Winds moving from the SE to the WSW at 9 mph 14 km/h.
Tuesday, September 15, 2026
Mid-Morning
76°F 24°C
Sunny
Mid-Afternoon
88°F 31°C
Sunny
Early-Evening
76°F 25°C
Sunny
Balmy with temperatures reaching 88°F 31°C, sunny throughout the day, with steady humidity and steady pressure. Winds W at 4 mph 6 km/h.
Wednesday, September 16, 2026
Mid-Morning
45°F 7°C
Cloudy
Mid-Afternoon
53°F 12°C
Overcast
Early-Evening
41°F 5°C
Scattered Showers
Brisk around 53°F 12°C, periods of heavy rain and gusty conditions, with steady humidity and barometric pressure rising. Winds shifting from the NE to the ENE at 9 mph 14 km/h.
Thursday, September 17, 2026
Mid-Morning
38°F 3°C
Cloudy
Mid-Afternoon
51°F 10°C
Partly Cloudy
Early-Evening
43°F 7°C
Scattered Showers
Cool and brisk at 51°F 10°C, scattered downpours possible, with steady humidity and steady pressure.
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