Sullivan, CO Weather Forecast
Local 7-day forecast
Mostly Clear
Track current conditions, temperature changes, wind, and the full daily outlook for Sullivan, CO in one place.
Mostly clear, with a low around 39. South wind around 6 mph.
Local Weather Overview
This forecast page for Sullivan, 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: Nov 10, 2026 11:38 PM MST.
The active forecast window currently covers Nov 10 to Nov 17, 2026 for Sullivan, CO.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 10 to Nov 17, 2026
- Latest sync
- Nov 10, 2026 11:38 PM MST
- Forecast office
- BOU
- Source
- NOAA / NWS
Daily Outlook
This Week in Sullivan
Thursday looks like the warmest upcoming period in Sullivan at 68 degrees F.
Sunday Night is the coolest period ahead with temperatures near 38 degrees F.
The strongest winds are forecast for Thursday at about 2 to 7 mph SSE.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Nov 10, 2026 11:38 PM MST
- Coverage
- 7 days
- Time zone
- America/Denver
- Forecast office
- BOU
- Radar station
- KFTG
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Sunny. High near 64, with temperatures falling to around 58 in the afternoon. East southeast wind 2 to 6 mph.
Clear, with a low around 39. South southwest wind 2 to 6 mph.
Sunny, with a high near 68. South southeast wind 2 to 7 mph.
Mostly clear, with a low around 40. South wind around 7 mph.
Mostly sunny, with a high near 66.
Partly cloudy, with a low around 39.
A slight chance of rain showers after 5pm. Partly sunny, with a high near 61.
A slight chance of rain showers before 5am. Mostly cloudy, with a low around 39.
Mostly sunny, with a high near 60.
Mostly clear, with a low around 38.
Sunny, with a high near 62.
Partly cloudy, with a low around 39.
A chance of rain showers after 5pm. Mostly sunny, with a high near 61.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tonight
Nov 10
|
Mostly Clear
|
39°F |
6 mph
S
|
|
Veterans Day
Nov 11
|
Sunny
|
64°F |
2 to 6 mph
ESE
|
|
Wednesday Night
Nov 11
|
Clear
|
39°F |
2 to 6 mph
SSW
|
|
Thursday
Nov 12
|
Sunny
|
68°F |
2 to 7 mph
SSE
|
|
Thursday Night
Nov 12
|
Mostly Clear
|
40°F |
7 mph
S
|
|
Friday
Nov 13
|
Mostly Sunny
|
66°F |
1 to 6 mph
E
|
|
Friday Night
Nov 13
|
Partly Cloudy
|
39°F |
3 mph
WSW
|
|
Saturday
Nov 14
|
Partly Sunny then Slight Chance Rain Showers
|
61°F |
6 mph
ESE
|
|
Saturday Night
Nov 14
|
Slight Chance Rain Showers
|
39°F |
5 mph
WNW
|
|
Sunday
Nov 15
|
Mostly Sunny
|
60°F |
6 mph
NNE
|
|
Sunday Night
Nov 15
|
Mostly Clear
|
38°F |
3 mph
S
|
|
Monday
Nov 16
|
Sunny
|
62°F |
1 to 5 mph
E
|
|
Monday Night
Nov 16
|
Partly Cloudy
|
39°F |
5 mph
WSW
|
|
Tuesday
Nov 17
|
Mostly Sunny then Chance Rain Showers
|
61°F |
2 to 6 mph
ENE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Sullivan.