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Town of Johnstown, COJohnstown, CO 7-Day Night Weather Forecast
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Johnstown, CO Weather Forecast
Johnstown, CO Weather Forecast Date: 330 AM MST Mon Nov 02 2026
The area/counties/county of: Central And South Weld County, including: Eaton, Fort Lupton, Greeley, Roggen, Bennett, Byers, Deer Trail, and Leader.or toggle through each period.
Today... Areas of dense fog early in the morning. Chance of showers early in the morning, then showers likely in the late morning and afternoon. Very windy. Highs in the lower 50s. Northwest winds 10 to 15 mph with gusts up to 35 mph, increasing to 25 to 35 mph with gusts up to 50 mph in the afternoon. Chance of rain 70%.
Tonight... Mostly cloudy with a 30% chance of showers. Very windy. Lows 36 to 42. Northwest winds 25 to 35 mph with gusts up to 45 mph.
Tuesday... Mostly sunny. Highs in the mid 50s to lower 60s. Northwest winds 20 to 25 mph, becoming north 10 to 15 mph in the afternoon. Gusts up to 35 mph.
Tuesday Night... Mostly clear. Lows in the lower to mid 30s.
Wednesday... Partly cloudy. Highs in the upper 50s.
Wednesday Night... Mostly cloudy. Lows in the lower to mid 30s.
Thursday... Mostly clear. Highs in the mid to upper 50s. Lows in the lower to mid 30s.
Thursday Night... Mostly clear. Highs in the mid to upper 50s. Lows in the lower to mid 30s.
Friday... Partly cloudy. Highs in the upper 50s. Lows in the lower to mid 30s.
Friday Night... Partly cloudy. Highs in the upper 50s. Lows in the lower to mid 30s.
Saturday... Mostly clear. Highs in the mid 50s. Lows near 30.
Saturday Night... Mostly clear. Highs in the mid 50s. Lows near 30.
POP = Probability of Precipitation
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