I-25 weather conditions near Johnstown, Colorado
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Fair 37°F 2025-10-19T00:56:00-06:00 
Overnight 2025-10-19, Mostly Clear. Mostly clear, with a low around 30. Light and variable wind.
Sunday 2025-10-19, Mostly Sunny. Mostly sunny, with a high near 74. Calm wind becoming south 5 to 7 mph in the afternoon.- Sunday Night 2025-10-19, Mostly Clear. Mostly clear, with a low around 44. South wind 5 to 13 mph becoming northwest after midnight. Winds could gust as high as 21 mph.
Monday 2025-10-20, Windy. Slight Chance Showers then Sunny. A 20 percent chance of showers before noon. Sunny, with a high near 61. Windy, with a northwest wind 15 to 20 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 40 mph.
Monday Night 2025-10-20, Clear and Blustery then Clear. Clear, with a low around 31. Blustery, with a north northwest wind 10 to 15 mph becoming light and variable after midnight. Winds could gust as high as 24 mph.
Tuesday 2025-10-21, Sunny. Sunny, with a high near 63.- Tuesday Night 2025-10-21, Mostly Clear. Mostly clear, with a low around 33.
- Wednesday 2025-10-22, Sunny. Sunny, with a high near 67.
- Wednesday Night 2025-10-22, Partly Cloudy. Partly cloudy, with a low around 38.
Thursday 2025-10-23, Slight Chance Showers. A slight chance of showers. Partly sunny, with a high near 64.- Thursday Night 2025-10-23, Partly Cloudy. Partly cloudy, with a low around 37.
- Friday 2025-10-24, Sunny. Sunny, with a high near 67.
- Friday Night 2025-10-24, Mostly Clear. Mostly clear, with a low around 37.
- Saturday 2025-10-25, Mostly Sunny. Mostly sunny, with a high near 70.