National Weather Service Forecast for: Highlands Ranch CO
Issued by: National Weather Service Denver-Boulder, CO
Updated: 12:46 pm MDT Jun 18, 2026
 
Tonight

Tonight: Mostly clear, with a low around 59. South wind 6 to 13 mph, with gusts as high as 21 mph.
Mostly Clear

 Juneteenth

Juneteenth: Mostly sunny, with a high near 90. Southwest wind 5 to 9 mph becoming north northeast in the afternoon. Winds could gust as high as 15 mph.
Mostly Sunny

 Friday
Night
Friday Night: Mostly clear, with a low around 61. East wind 5 to 8 mph becoming light and variable after midnight. Winds could gust as high as 16 mph.
Mostly Clear

 Saturday

Saturday: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny and hot, with a high near 97. Light and variable wind becoming northwest 6 to 11 mph in the afternoon. Winds could gust as high as 22 mph.
Sunny then
Chance
T-storms
 Saturday
Night
Saturday Night: Mostly clear, with a low around 60. Northwest wind 5 to 11 mph becoming southwest after midnight. Winds could gust as high as 22 mph.
Mostly Clear

 Sunday

Sunday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 90.
Sunny then
Chance
T-storms
 Sunday
Night
Sunday Night: A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 58.
Chance
T-storms then
Partly Cloudy
 Monday

Monday: A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 86.
Sunny then
Chance
T-storms
 Monday
Night
Monday Night: A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 58.
Slight Chance
T-storms then
Mostly Clear
Lo 59 °F Hi 90 °F Lo 61 °F Hi 97 °F Lo 60 °F Hi 90 °F Lo 58 °F Hi 86 °F Lo 58 °F

Air Quality Alert
 

Tonight
 
 Mostly clear, with a low around 59. South wind 6 to 13 mph, with gusts as high as 21 mph.
Juneteenth
 
 Mostly sunny, with a high near 90. Southwest wind 5 to 9 mph becoming north northeast in the afternoon. Winds could gust as high as 15 mph.
Friday Night
 
 Mostly clear, with a low around 61. East wind 5 to 8 mph becoming light and variable after midnight. Winds could gust as high as 16 mph.
Saturday
 
 A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny and hot, with a high near 97. Light and variable wind becoming northwest 6 to 11 mph in the afternoon. Winds could gust as high as 22 mph.
Saturday Night
 
 Mostly clear, with a low around 60. Northwest wind 5 to 11 mph becoming southwest after midnight. Winds could gust as high as 22 mph.
Sunday
 
 A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 90.
Sunday Night
 
 A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 58.
Monday
 
 A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 86.
Monday Night
 
 A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 58.
Tuesday
 
 A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 84.
Tuesday Night
 
 A slight chance of showers and thunderstorms. Mostly clear, with a low around 59.
Wednesday
 
 A slight chance of showers and thunderstorms. Sunny, with a high near 89.
Wednesday Night
 
 A slight chance of showers and thunderstorms. Mostly clear, with a low around 60.
Thursday
 
 A slight chance of showers and thunderstorms. Mostly sunny, with a high near 91.

 

Forecast from NOAA-NWS for Highlands Ranch CO.