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Julesburg, CO Weather & Growing Conditions

This Afternoon
75°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 4pm. Mostly sunny. High near 75, with temperatures falling to around 73 in the afternoon. East wind around 8 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 75°F Chance Showers And Thunderstorms 8 mph E 26%
Tonight 55°F Showers And Thunderstorms 6 to 9 mph E 82%
Sunday 65°F Showers And Thunderstorms 5 to 8 mph E 82%
Sunday Night 51°F Chance Showers And Thunderstorms 3 to 7 mph NW 48%
Monday 67°F Mostly Sunny 8 mph NNW 9%
Monday Night 48°F Partly Cloudy 9 to 15 mph E 6%
Tuesday 66°F Slight Chance Rain Showers then Mostly Cloudy 15 to 21 mph SE 15%
Tuesday Night 53°F Partly Cloudy 20 to 23 mph SE 13%
Wednesday 75°F Partly Sunny then Slight Chance Showers And Thunderstorms 18 to 23 mph SSE 15%
Wednesday Night 56°F Chance Showers And Thunderstorms then Mostly Cloudy 9 to 17 mph S 33%
Thursday 80°F Mostly Sunny 8 mph NNW 6%
Thursday Night 57°F Partly Cloudy 7 mph ESE 9%
Friday 77°F Mostly Sunny 7 to 14 mph SE 12%
Friday Night 58°F Chance Showers And Thunderstorms 14 to 17 mph SSE 30%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Julesburg, CO

Last spring frost
May 7
First fall frost
Oct 6
Growing season
152 days
Hardiness zone
5b

Explore more for Julesburg, CO: full frost dates · planting calendar · Colorado frost dates

Climate data from the nearest NOAA station, Julesburg, Co (7.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.