What is today's weather forecast for Thornton, CO?

Today's forecast for Thornton shows a high of 52 degrees and a low of 38 degrees Fahrenheit. Rain likely, mainly after 5pm.

What is the 7-day weather forecast for Thornton, CO?

The 7-day forecast for Thornton shows highs from 38 to 57 degrees and lows from 23 to 38 degrees Fahrenheit. Expect precipitation on 5 days with chances of 20% or higher.

Will it rain in Thornton, CO this week?

Yes, rain is possible in Thornton this week. Precipitation chances: Thursday (80% chance), Friday (60% chance), Sunday (50% chance), Tuesday (50% chance), Wednesday (50% chance).

How accurate is the Thornton weather forecast?

WeatherForYou provides highly accurate Thornton forecasts using National Weather Service data and current conditions from the nearest available weather stations, often miles closer than regional airports, for the most precise local forecasts.

Thornton, CO Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Switch to Metric Units

48°F
Feels Like 48°F

Humidity 47% Dew Point 29°F Wind Calm Barometer 29.7 in.754.4 mm

Solar Rad 126 w/m² UV Index 1

Report from a personal weather station 1.4 miles ESE of central Thornton
at 10:05 AM Thu, Nov 20, 2025

Point Forecast at a Glance

ThuNov 20

60%

FriNov 21

60%

SatNov 22

SunNov 23

20%

MonNov 24

TueNov 25

WedNov 26

50%

7-Day Temperature Trend

Week Ahead Summary

Cooling trend continues with high temperatures dropping from 52°F to 38°F. Unsettled weather expected with rain on most days, including one day with wintry mix.

Climate Context

This week's forecast shows temperatures running 4°F below the historical average for November. Normal highs for this period are around 53°F with lows around 25°F.

This Date in Weather History

1900 - An unusual tornado outbreak in the Lower Mississippi Valley resulted in 73 deaths and extensive damage across Arkansas, Mississippi and Tennessee.

Thornton, CO 7 Day Weather Forecast Details

Thursday Nov 20

Day: Rain likely, mainly after 5pm. Mostly cloudy, with a high near 52. North northeast wind 3 to 6 mph. Chance of precipitation is 60%.

Night: Rain. Low around 38. North wind around 6 mph. Chance of precipitation is 80%.

Friday Nov 21

Day: Rain likely, mainly before 11am. Cloudy, with a high near 46. North northwest wind 3 to 6 mph. Chance of precipitation is 60%.

Night: Partly cloudy, with a low around 33. Light and variable wind.

Saturday Nov 22

Day: Sunny, with a high near 57. Light and variable wind.

Night: Partly cloudy, with a low around 34.

Sunday Nov 23

Day: A 20 percent chance of showers after 11am. Partly sunny, with a high near 51.

Night: A chance of showers. Mostly cloudy, with a low around 35.

Monday Nov 24

Day: Mostly sunny, with a high near 54.

Night: Partly cloudy, with a low around 31.

Tuesday Nov 25

Day: Mostly sunny, with a high near 43.

Night: A chance of rain and snow showers. Mostly cloudy, with a low around 23.

Wednesday Nov 26

Day: A slight chance of snow showers. Partly sunny, with a high near 38.

About Thornton, CO

Thornton is a home rule municipality located in Adams and Weld counties, Colorado, United States. The city population was 141,867, all in Adams County, at the 2020 United States census, an increase of 19.44% since the 2010 United States census. Thornton is the sixth-most-populous city in Colorado and the 191st-most-populous city in the United States. Thornton is 10 miles (16 km) north of the Colorado State Capitol in Denver and is a part of the Denver–Aurora–Lakewood, CO Metropolitan Statistical Area.

Content from Wikipedia, licensed under CC BY-SA 3.0.

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.

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