Julesburg, CO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Julesburg, a town in Sedgwick County, Colorado.
This Afternoon
52°F
Sunny
Sunny. High near 52, with temperatures falling to around 48 in the afternoon. North northwest wind around 8 mph, with gusts as high as 18 mph.
7-day forecast for Julesburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 52°F | Sunny | 8 mph NNW | 7% |
| Tonight | 28°F | Clear | 7 mph WNW | 7% |
| Wednesday | 56°F | Sunny | 6 to 10 mph NW | 1% |
| Wednesday Night | 32°F | Mostly Cloudy | 7 mph NNW | 0% |
| Thursday | 56°F | Mostly Sunny | 2 to 8 mph NNW | 0% |
| Thursday Night | 28°F | Mostly Clear | 3 mph W | 0% |
| Friday | 58°F | Mostly Sunny | 5 mph WNW | 1% |
| Friday Night | 31°F | Mostly Clear | 6 mph WNW | 3% |
| Saturday | 60°F | Sunny | 3 to 10 mph WNW | 3% |
| Saturday Night | 31°F | Mostly Clear | 6 mph W | 2% |
| Sunday | 66°F | Sunny | 6 to 9 mph SW | 0% |
| Sunday Night | 37°F | Mostly Clear | 8 mph WSW | 0% |
| Monday | 63°F | Sunny | 3 to 9 mph N | 0% |
| Monday Night | 35°F | Partly Cloudy | 5 mph SSE | 0% |
Forecast source: National Weather Service (api.weather.gov) for Julesburg (40.985, -102.263). Updated through the day.
Growing snapshot for Julesburg
Last spring frost
May 7
First fall frost
Oct 6
Growing season
152 days
Hardiness zone
5b
More local growing data for Julesburg: nearby ZIP 80737 weather · frost dates · planting calendar · Colorado frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Julesburg, Co (7.3 mi from Julesburg). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.