Greeley, CO Weather & Growing Conditions
Today
77°F
Partly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms between noon and 3pm, then showers and thunderstorms likely. Partly sunny. High near 77, with temperatures falling to around 71 in the afternoon. West southwest wind 3 to 8 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 77°F | Partly Sunny then Chance Showers And Thunderstorms | 3 to 8 mph WSW | 73% |
| Tonight | 48°F | Chance Showers And Thunderstorms | 2 to 8 mph NE | 48% |
| Sunday | 71°F | Chance Rain Showers | 2 to 7 mph NE | 35% |
| Sunday Night | 46°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 to 7 mph NE | 30% |
| Monday | 72°F | Sunny | 2 to 9 mph ENE | 2% |
| Monday Night | 47°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 to 10 mph ESE | 19% |
| Tuesday | 76°F | Mostly Sunny | 3 to 10 mph ESE | 3% |
| Tuesday Night | 50°F | Partly Cloudy | 5 to 13 mph E | 13% |
| Wednesday | 79°F | Mostly Sunny | 6 mph E | 6% |
| Wednesday Night | 50°F | Partly Cloudy | 6 mph ENE | 13% |
| Thursday | 80°F | Mostly Sunny | 2 to 8 mph NE | 2% |
| Thursday Night | 52°F | Partly Cloudy | 3 to 8 mph ESE | 10% |
| Friday | 81°F | Mostly Sunny | 3 to 10 mph E | 10% |
| Friday Night | 52°F | Partly Cloudy | 3 to 10 mph SSE | 14% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Greeley, CO
Last spring frost
May 2
First fall frost
Oct 8
Growing season
159 days
Hardiness zone
5a
Explore more for Greeley, CO: full frost dates · planting calendar · Colorado frost dates
Climate data from the nearest NOAA station, Greeley Unc, Co (3.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.