Weather in Thornton, CO
Updated 2026-09-26 07:00 local time · ZIP codes 80241

Partly Cloudy
No government weather alerts were returned for this location at the latest update.
Next hours
61°3% rain
63°1% rain
68°1% rain
73°0% rain
77°0% rain
80°0% rain
81°0% rain
83°0% rain
83°2% rain
83°4% rain
82°5% rain
81°3% rain3-day weather forecast



Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 5%).
It feels like 55°F with winds near 6 mph.
73°F, 0% rain chance and 6 mph wind.
Visibility is around 6 mi; gusts may reach 20 mph.
Current temperature is 61°F, wind 6 mph, rain chance up to 5%.
UV index is 0.
Local weather characteristics in Thornton
Colorado weather changes quickly with elevation. The eastern plains, Front Range and high mountains can have very different temperatures, wind, snow and thunderstorm conditions on the same day.
Thornton is part of the West weather region. The forecast point is near 39.87°N latitude and 104.97°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Thornton weather today
Partly Cloudy and 61°F in Thornton, CO. Today's high is 83°F with a 1% rain chance. Winds are around 6 mph with gusts near 11 mph. Relative humidity is 44%, pressure is 29.94 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Thornton
Sunrise is at 06:51 AM and sunset is at 06:51 PM. Tomorrow's forecast calls for Overcast with a high near 84°F and a low near 65°F. The maximum rain chance is 6%.