I-25 weather conditions near Longmont, Colorado
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Fair with Haze 52°F 2025-06-17T23:55:00-06:00 
Overnight 2025-06-18, Mostly Clear. Mostly clear, with a low around 51. North northwest wind 3 to 5 mph.
Wednesday 2025-06-18, Sunny. Sunny, with a high near 84. Calm wind becoming east southeast 5 to 8 mph in the morning.- Wednesday Night 2025-06-18, Mostly Clear. Mostly clear, with a low around 56. Southeast wind 5 to 9 mph becoming light and variable after midnight. Winds could gust as high as 17 mph.
Juneteenth 2025-06-19, Hot. Sunny and hot, with a high near 97. Light and variable wind becoming southeast 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.- Thursday Night 2025-06-19, Mostly Clear. Mostly clear, with a low around 60. East southeast wind 7 to 10 mph becoming west southwest in the evening. Winds could gust as high as 18 mph.
Friday 2025-06-20, Sunny then Sunny and Breezy. Sunny and hot, with a high near 102. Breezy.
- Friday Night 2025-06-20, Mostly Clear. Mostly clear, with a low around 63.
Saturday 2025-06-21, Sunny then Sunny and Breezy. Sunny and hot, with a high near 101. Breezy.
- Saturday Night 2025-06-21, Mostly Clear. Mostly clear, with a low around 62.
Sunday Night 2025-06-22, Slight Chance T-storms and Breezy then Partly Cloudy. A slight chance of showers and thunderstorms. Partly cloudy, with a low around 58. Breezy.
Monday 2025-06-23, Mostly Sunny then Slight Chance T-storms. A slight chance of showers and thunderstorms. Mostly sunny, with a high near 82.
Monday Night 2025-06-23, Chance T-storms then Mostly Cloudy. A chance of showers and thunderstorms. Mostly cloudy, with a low around 56.
Tuesday 2025-06-24, Partly Sunny then Chance T-storms. A chance of showers and thunderstorms. Partly sunny, with a high near 84.