Thornton, CO Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Thornton, CO in one place.
Sunny, with a high near 86. South southwest wind around 7 mph.
Local Weather Overview
This forecast page for Thornton, 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: Oct 8, 2026 6:16 AM MDT.
The active forecast window currently covers Oct 9 to Oct 14, 2026 for Thornton, CO.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 9 to Oct 14, 2026
- Latest sync
- Oct 8, 2026 6:16 AM MDT
- Forecast office
- BOU
- Source
- NOAA / NWS
Daily Outlook
This Week in Thornton
Friday looks like the warmest upcoming period in Thornton at 86 degrees F.
Monday Night is the coolest period ahead with temperatures near 50 degrees F.
The strongest winds are forecast for Columbus Day at about 3 to 10 mph NNE.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 8, 2026 6:16 AM MDT
- Coverage
- 6 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
Mostly clear, with a low around 56. West southwest wind around 8 mph.
Sunny, with a high near 83.
Mostly cloudy, with a low around 58.
Partly sunny, with a high near 79.
Mostly cloudy, with a low around 54.
Mostly sunny, with a high near 76.
A slight chance of rain showers. Partly cloudy, with a low around 50.
A slight chance of rain showers after noon. Mostly sunny, with a high near 71.
A chance of rain showers. Mostly cloudy, with a low around 51.
A chance of rain showers. Mostly sunny, with a high near 70.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Oct 9
|
Sunny
|
86°F |
7 mph
SSW
|
|
Friday Night
Oct 9
|
Mostly Clear
|
56°F |
8 mph
WSW
|
|
Saturday
Oct 10
|
Sunny
|
83°F |
8 mph
SSW
|
|
Saturday Night
Oct 10
|
Mostly Cloudy
|
58°F |
3 to 8 mph
SW
|
|
Sunday
Oct 11
|
Partly Sunny
|
79°F |
3 to 8 mph
SSE
|
|
Sunday Night
Oct 11
|
Mostly Cloudy
|
54°F |
3 to 8 mph
W
|
|
Columbus Day
Oct 12
|
Mostly Sunny
|
76°F |
3 to 10 mph
NNE
|
|
Monday Night
Oct 12
|
Slight Chance Rain Showers
|
50°F |
3 to 10 mph
NE
|
|
Tuesday
Oct 13
|
Mostly Sunny then Slight Chance Rain Showers
|
71°F |
2 to 8 mph
ENE
|
|
Tuesday Night
Oct 13
|
Chance Rain Showers
|
51°F |
3 to 8 mph
WSW
|
|
Wednesday
Oct 14
|
Chance Rain Showers
|
70°F |
3 to 7 mph
NNE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Thornton.
