See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:47
Sunrise
19:01
Sunset
Moon
Waxing Crescent
11:38
Moonrise
20:39
Moonset
Daily Forecast
Today
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Air Quality Data Available
Upgrade to access real-time air quality data for Northglenn.
Resources
UV Index
Humidity
Weather in Northglenn today, September 15, 2026
Cloud cover dominates in Northglenn on September 15, 2026, keeping sunshine limited. Expect a grey, overcast feel rather than long bright spells.
Expect highs of 23°C and cooler readings close to 13°C. Expect humidity between 28% and 62%, most humid near 20:00. Winds stay light, near 4.3 km/h by 21:00, so the day feels still more than breezy.
Expect persistent cloud later on, with amounts around 100% by 14:00. Sunshine remains the exception, not the rule. Expect visibility around 16.1 km. Expect sunrise at 06:47, sunset at 19:01, and 12 hours 14 minutes of sunlight today overall.
In short, cloud leads the story in Northglenn on September 15, 2026; expect limited sun and a peak around 23°C.
Frequently asked questions about weather in Northglenn
How warm does it get in Northglenn?
The warmest month in Northglenn is July, with average high temperatures of 32°C. The average temperature during this period is around 24°C.
How cold does it get in Northglenn?
The coldest month in Northglenn is January, with average low temperatures of -7°C. The average temperature during this period is around -2°C.
What is the wettest time of year in Northglenn?
The wettest month in Northglenn is May, with an average of 100mm of precipitation.
What is the driest time of year in Northglenn?
The driest month in Northglenn is December, with an average of 18mm of precipitation.
Explore more weather forecasts
- Thornton, Colorado
- New York City, New York
- Federal Heights, Colorado
- Los Angeles, California
- Sherrelwood, Colorado
- Brooklyn, New York
- Welby, Colorado
- Chicago, Illinois
- Westminster, Colorado
- Houston, Texas
- Broomfield, Colorado
- Queens, New York
- Berkley, Colorado
- Phoenix, Arizona
- Commerce City, Colorado
- Philadelphia, Pennsylvania
