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 66°F 2025-06-18T23:56:00-06:00 
Overnight 2025-06-19, Clear. Clear, with a low around 55. South southwest wind around 5 mph becoming northeast.
Juneteenth 2025-06-19, Sunny. Sunny, with a high near 96. Light and variable wind becoming southeast 6 to 11 mph in the afternoon. Winds could gust as high as 18 mph.
Thursday Night 2025-06-19, Mostly Clear. Mostly clear, with a low around 59. Southeast wind 6 to 11 mph becoming west in the evening. Winds could gust as high as 20 mph.Friday 2025-06-20, Sunny then Sunny and Breezy. Sunny and hot, with a high near 101. Breezy, with a southwest wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 30 mph.
- Friday Night 2025-06-20, Mostly Clear. Mostly clear, with a low around 59. West southwest wind 7 to 13 mph, with gusts as high as 23 mph.
Saturday 2025-06-21, Hot. Sunny and hot, with a high near 99.- Saturday Night 2025-06-21, Mostly Clear. Mostly clear, with a low around 61.
Sunday Night 2025-06-22, Slight Chance T-storms and Breezy then Partly Cloudy. A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 56. Breezy.
Monday 2025-06-23, Partly Sunny. Partly sunny, with a high near 79.Monday Night 2025-06-23, Chance T-storms then Slight Chance Showers. A chance of showers and thunderstorms. Mostly cloudy, with a low around 57.
Tuesday 2025-06-24, Mostly Cloudy then Chance T-storms. A chance of showers and thunderstorms. Partly sunny, with a high near 82.
Tuesday Night 2025-06-24, Chance T-storms then Mostly Cloudy. A chance of showers and thunderstorms. Mostly cloudy, with a low around 57.