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 69°F 2025-06-15T22:56:00-06:00 
Tonight 2025-06-15, Mostly Clear. Mostly clear, with a low around 56. East wind around 6 mph becoming northwest after midnight.
Monday 2025-06-16, Sunny. Sunny, with a high near 94. Light and variable wind becoming east 5 to 10 mph in the morning. Winds could gust as high as 16 mph.- Monday Night 2025-06-16, Partly Cloudy. Partly cloudy, with a low around 58. South wind 6 to 10 mph becoming north in the evening. Winds could gust as high as 16 mph.
Tuesday 2025-06-17, Partly Sunny then Chance T-storms. A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 80. West wind 5 to 13 mph becoming east northeast in the morning. Winds could gust as high as 22 mph.
- Tuesday Night 2025-06-17, Mostly Clear. Mostly clear, with a low around 53. North wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 22 mph.
- Wednesday 2025-06-18, Sunny. Sunny, with a high near 86.
Wednesday Night 2025-06-18, Clear. Clear, with a low around 55.- Juneteenth 2025-06-19, Sunny. Sunny, with a high near 95.
- Thursday Night 2025-06-19, Mostly Clear. Mostly clear, with a low around 59.
Friday 2025-06-20, Sunny then Sunny and Breezy. Sunny and hot, with a high near 100. Breezy.
Friday Night 2025-06-20, Mostly Clear and Breezy then Clear. Mostly clear, with a low around 61. Breezy.
- Saturday Night 2025-06-21, Mostly Clear. Mostly clear, with a low around 61.