National Weather Service Forecast for: Northglenn 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. East wind 5 to 8 mph becoming west northwest after midnight.
Mostly Clear

 Juneteenth

Juneteenth: Partly sunny, then gradually becoming sunny, with a high near 88. North northwest wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 16 mph.
Becoming
Sunny
 Friday
Night
Friday Night: Mostly clear, with a low around 60. East wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 16 mph.
Mostly Clear

 Saturday

Saturday: A 30 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 93. Light and variable wind becoming northeast 5 to 10 mph in the afternoon. Winds could gust as high as 22 mph.
Sunny then
Chance
T-storms
 Saturday
Night
Saturday Night: Partly cloudy, with a low around 59. Northeast wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 26 mph.
Partly Cloudy

 Sunday

Sunday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 88.
Sunny then
Slight Chance
T-storms
 Sunday
Night
Sunday Night: A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 57.
Chance
T-storms then
Partly Cloudy
 Monday

Monday: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 85.
Sunny then
Slight Chance
T-storms
 Monday
Night
Monday Night: A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 57.
Slight Chance
T-storms then
Mostly Clear
Lo 59 °F Hi 88 °F Lo 60 °F Hi 93 °F Lo 59 °F Hi 88 °F Lo 57 °F Hi 85 °F Lo 57 °F

Air Quality Alert
 

Tonight
 
 Mostly clear, with a low around 59. East wind 5 to 8 mph becoming west northwest after midnight.
Juneteenth
 
 Partly sunny, then gradually becoming sunny, with a high near 88. North northwest wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 16 mph.
Friday Night
 
 Mostly clear, with a low around 60. East wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 16 mph.
Saturday
 
 A 30 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 93. Light and variable wind becoming northeast 5 to 10 mph in the afternoon. Winds could gust as high as 22 mph.
Saturday Night
 
 Partly cloudy, with a low around 59. Northeast wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 26 mph.
Sunday
 
 A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 88.
Sunday Night
 
 A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 57.
Monday
 
 A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 85.
Monday Night
 
 A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 57.
Tuesday
 
 Sunny, with a high near 82.
Tuesday Night
 
 A slight chance of showers and thunderstorms. Mostly clear, with a low around 58.
Wednesday
 
 A slight chance of showers and thunderstorms. Sunny, with a high near 87.
Wednesday Night
 
 A slight chance of showers and thunderstorms. Partly cloudy, with a low around 59.
Thursday
 
 A slight chance of showers and thunderstorms. Sunny, with a high near 89.

 

Forecast from NOAA-NWS for Northglenn CO.