Julesburg, CO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Julesburg, a town in Sedgwick County, Colorado.
Today
71°F
Patchy Smoke
Patchy smoke. Mostly cloudy, with a high near 71. Northeast wind around 13 mph, with gusts as high as 21 mph.
7-day forecast for Julesburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 71°F | Patchy Smoke | 13 mph NE | 4% |
| Tonight | 53°F | Patchy Smoke | 5 to 12 mph ESE | 41% |
| Wednesday | 76°F | Patchy Smoke | 5 to 9 mph ESE | 33% |
| Wednesday Night | 55°F | Mostly Clear | 7 to 12 mph SSE | 2% |
| Thursday | 88°F | Sunny | 7 to 15 mph SSE | 1% |
| Thursday Night | 60°F | Clear | 6 to 15 mph SSE | 2% |
| Friday | 94°F | Sunny | 3 to 12 mph S | 2% |
| Friday Night | 63°F | Mostly Clear | 7 to 14 mph S | 3% |
| Saturday | 99°F | Sunny | 7 to 16 mph S | 3% |
| Saturday Night | 64°F | Mostly Clear | 8 to 16 mph SSE | 2% |
| Sunday | 98°F | Sunny | 7 to 15 mph E | 1% |
| Sunday Night | 65°F | Partly Cloudy | 7 to 15 mph SE | 10% |
| Monday | 98°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 7 to 13 mph E | 15% |
| Monday Night | 65°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 8 to 14 mph E | 20% |
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 Aug 4, 2026.