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Jeffco, CO Weather Forecast
Jeffco, CO Weather Forecast Date: 1148 PM MST Thu Nov 12 2026
The area/counties/county of: County, including: Arvada, Boulder, Golden, Lakewood, and Longmont.or toggle through each period.
Rest of Tonight... Partly cloudy. Lows near 40.
Friday... Mostly cloudy. Highs in the lower 60s.
Friday Night... Mostly cloudy. Patchy fog after midnight. Lows in the mid to upper 30s.
Saturday... Mostly cloudy with a 20% chance of rain. Patchy fog. Highs in the lower to mid 50s.
Saturday Night... Mostly cloudy with a 20% chance of rain. Lows in the 30s.
Sunday... Mostly clear. Highs in the mid 50s. Lows in the lower to mid 30s.
Sunday Night... Mostly clear. Highs in the mid 50s. Lows in the lower to mid 30s.
Monday... Mostly sunny. Highs in the lower 60s.
Monday Night... Partly cloudy. Lows 34 to 39. Highs in the lower 60s.
Tuesday... Partly cloudy. Lows 34 to 39. Highs in the lower 60s.
Wednesday... Partly cloudy with a 20% chance of rain showers. Highs in the lower to mid 50s.
Wednesday Night... Partly cloudy with a slight chance of rain and snow showers. Lows in the lower to mid 30s. Chance of precipitation 20%.
POP = Probability of Precipitation
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