National Weather Service Forecast for: Littleton CO
Issued by: National Weather Service Denver-Boulder, CO
Updated: 2:46 am MDT Jul 13, 2026
 
Overnight

Overnight: Clear, with a low around 68. South wind 8 to 10 mph, with gusts as high as 17 mph.
Clear

 Monday

Monday: Sunny and hot, with a high near 99. Light and variable wind becoming southeast 8 to 13 mph in the afternoon. Winds could gust as high as 21 mph.
Hot

 Monday
Night
Monday Night: Mostly clear, with a low around 66. South southeast wind 5 to 14 mph becoming southwest after midnight. Winds could gust as high as 26 mph.
Mostly Clear

 Tuesday

Tuesday: Sunny and hot, with a high near 97. Light and variable wind becoming southeast 9 to 14 mph in the morning. Winds could gust as high as 24 mph.
Hot

 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 66. Breezy, with a southeast wind 7 to 16 mph becoming south southwest after midnight. Winds could gust as high as 34 mph.
Mostly Clear
and Breezy
 Wednesday

Wednesday: Sunny, with a high near 95. Breezy.
Sunny then
Sunny and
Breezy
 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 64. Breezy.
Mostly Clear
and Breezy
 Thursday

Thursday: Sunny, with a high near 95.
Sunny

 Thursday
Night
Thursday Night: Mostly clear, with a low around 65.
Mostly Clear
Lo 68 °F Hi 99 °F Lo 66 °F Hi 97 °F Lo 66 °F Hi 95 °F Lo 64 °F Hi 95 °F Lo 65 °F

Heat Advisory
Air Quality Alert
 

Overnight
 
 Clear, with a low around 68. South wind 8 to 10 mph, with gusts as high as 17 mph.
Monday
 
 Sunny and hot, with a high near 99. Light and variable wind becoming southeast 8 to 13 mph in the afternoon. Winds could gust as high as 21 mph.
Monday Night
 
 Mostly clear, with a low around 66. South southeast wind 5 to 14 mph becoming southwest after midnight. Winds could gust as high as 26 mph.
Tuesday
 
 Sunny and hot, with a high near 97. Light and variable wind becoming southeast 9 to 14 mph in the morning. Winds could gust as high as 24 mph.
Tuesday Night
 
 Mostly clear, with a low around 66. Breezy, with a southeast wind 7 to 16 mph becoming south southwest after midnight. Winds could gust as high as 34 mph.
Wednesday
 
 Sunny, with a high near 95. Breezy.
Wednesday Night
 
 Mostly clear, with a low around 64. Breezy.
Thursday
 
 Sunny, with a high near 95.
Thursday Night
 
 Mostly clear, with a low around 65.
Friday
 
 Sunny, with a high near 95.
Friday Night
 
 Partly cloudy, with a low around 66.
Saturday
 
 A slight chance of showers and thunderstorms. Sunny, with a high near 95.
Saturday Night
 
 A slight chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Sunday
 
 A slight chance of showers and thunderstorms. Mostly sunny, with a high near 94.

 

Forecast from NOAA-NWS for Littleton CO.