See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
19°
Partly Cloudy
Feels Like: 24°
Min: 13°
Max: 24°
The next few hours will be clear, with today reaching 24°C and dropping to 18°C. The coming days will be mostly cloudy
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:45
Sunrise
19:00
Sunset
Moon
Waxing Crescent
11:39
Moonrise
20:36
Moonset
Daily Forecast
Today
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
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Weather in Greeley today, September 15, 2026
Greeley stays under cloudy skies on September 15, 2026, with only brief brighter breaks. Plan for a day that feels grey more often than open. Cloud leads the morning, peaking close to 100% near 01:00. Sunshine has little room until later in the day.
The temperature range runs from about 13°C up to 24°C. Moisture in the air spans 18%-100%, with the highest values around 18:00. Winds stay light, near 8.0 km/h by 02:00, so the day feels still more than breezy.
The afternoon keeps an overcast feel, as cloud reaches about 100% around 15:00. Outdoor plans may still want a flexible backup. Expect visibility near 15.9 km, with poorer spells close to 14.5 km. Expect sunrise at 06:45, sunset at 19:00, and 12 hours 15 minutes of sunlight today overall.
Overall, Greeley on September 15, 2026 stays grey and muted, so outdoor plans may want a flexible backup even with a high near 24°C.
Frequently asked questions about weather in Greeley
How warm does it get in Greeley?
The warmest month in Greeley is July, with average high temperatures of 33°C. The average temperature during this period is around 24°C.
How cold does it get in Greeley?
The coldest month in Greeley 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 Greeley?
The wettest month in Greeley is May, with an average of 83mm of precipitation.
What is the driest time of year in Greeley?
The driest month in Greeley is December, with an average of 12mm of precipitation.
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