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Johnstown Weather Warning NWS WEATHER ALERT FOR THE JOHNSTOWN, CO AREA - DENSE FOG ADVISORY Issued: 1017 PM MDT Thu Oct 29 2026 Johnstown Weather Warning

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80534 Weather (Johnstown, CO)

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Overcast at Johnstown (80534), temperature is 46°F8°C, dew point 44°F7°C, humidity 93%. Wind direction is NNE at 7 mphat 11 km/h with visibility of 10 mi16 km. Barometric pressure is 30.12 in1019 mb. Last update: 3:36 am.*
*Time is approximately 3:36 am Fri, Oct 30, 2026. Time will be within 15 minutes of current local time. Johnstown weather forecast data is updated every 15 minutes.

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It's not the deprivations of winter that get you, or the damp of spring, but the no-man's land between. ―Kristin Kimball
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Johnstown CO Weather - 5:36 am

Johnstown Weather Forecast

Weather forecast for: Johnstown CO
Last Update: 12:46 am MDT Oct 30, 2026
Overnight: Areas of dense fog. Otherwise, mostly cloudy, with a low around 41. Light north wind.
Friday: Areas of dense fog before 10am. Otherwise, partly sunny, with a high near 61. Calm wind becoming east around 5 mph.
Friday Night: Partly cloudy, with a low around 41. Light and variable wind.
Saturday: Mostly cloudy, with a high near 61. Light north wind.
Saturday Night: Partly cloudy, with a low around 40. Calm wind.
Sunday: Mostly cloudy, with a high near 60.
Sunday Night: Mostly cloudy, with a low around 45.
Monday: A chance of showers. Partly sunny, with a high near 56. Windy.
Monday Night: Mostly cloudy, with a low around 40. Breezy.
Tuesday: Mostly sunny, with a high near 60.
Tuesday Night: Partly cloudy, with a low around 37.
Wednesday: Mostly sunny, with a high near 55.
Wednesday Night: A slight chance of showers. Partly cloudy, with a low around 37.
Thursday: A slight chance of showers. Mostly sunny, with a high near 53.

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