Roundup Junction, CO Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Roundup Junction, CO in one place.
Sunny, with a high near 70. South southwest wind 5 to 20 mph, with gusts as high as 45 mph.
Local Weather Overview
This forecast page for Roundup Junction, CO is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jun 7, 2026 10:43 PM MDT.
The active forecast window currently covers Jun 9 to Jun 14, 2026 for Roundup Junction, CO.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 9 to Jun 14, 2026
- Latest sync
- Jun 7, 2026 10:43 PM MDT
- Forecast office
- GJT
- Source
- NOAA / NWS
Daily Outlook
This Week in Roundup Junction
Friday looks like the warmest upcoming period in Roundup Junction at 73 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 48 degrees F.
The strongest winds are forecast for Tuesday at about 5 to 20 mph SSW.
The forecast from Jun 9 through Jun 14 stays mostly dry.
Forecast Details
- Last updated
- Jun 7, 2026 10:43 PM MDT
- Coverage
- 6 days
- Time zone
- America/Denver
- Forecast office
- GJT
- Radar station
- KGJX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 48. West wind 5 to 20 mph, with gusts as high as 40 mph.
Sunny, with a high near 70.
Clear, with a low around 50.
Sunny, with a high near 71.
Clear, with a low around 52.
Sunny, with a high near 73.
Mostly clear, with a low around 52.
Sunny, with a high near 72.
Mostly clear, with a low around 52.
Sunny, with a high near 71.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jun 9
|
Sunny
|
70°F |
5 to 20 mph
SSW
|
|
Tuesday Night
Jun 9
|
Mostly Clear
|
48°F |
5 to 20 mph
W
|
|
Wednesday
Jun 10
|
Sunny
|
70°F |
5 to 15 mph
NW
|
|
Wednesday Night
Jun 10
|
Clear
|
50°F |
10 to 15 mph
NNW
|
|
Thursday
Jun 11
|
Sunny
|
71°F |
10 to 15 mph
NNW
|
|
Thursday Night
Jun 11
|
Clear
|
52°F |
5 to 15 mph
N
|
|
Friday
Jun 12
|
Sunny
|
73°F |
5 to 15 mph
WNW
|
|
Friday Night
Jun 12
|
Mostly Clear
|
52°F |
5 to 15 mph
NNW
|
|
Saturday
Jun 13
|
Sunny
|
72°F |
5 to 15 mph
NW
|
|
Saturday Night
Jun 13
|
Mostly Clear
|
52°F |
5 to 15 mph
N
|
|
Sunday
Jun 14
|
Sunny
|
71°F |
5 to 15 mph
WNW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Roundup Junction.