Sterling, CO Weather & Growing Conditions
This Afternoon
87°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms. Partly sunny. High near 87, with temperatures falling to around 83 in the afternoon. East wind around 6 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 87°F | Slight Chance Showers And Thunderstorms | 6 mph E | 19% |
| Tonight | 56°F | Showers And Thunderstorms Likely then Mostly Cloudy | 2 to 7 mph NNW | 66% |
| Saturday | 77°F | Partly Sunny then Chance Showers And Thunderstorms | 2 to 8 mph SSE | 76% |
| Saturday Night | 52°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 2 to 7 mph NNE | 90% |
| Sunday | 70°F | Chance Rain Showers | 2 to 6 mph ENE | 52% |
| Sunday Night | 47°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 to 6 mph N | 36% |
| Monday | 70°F | Mostly Sunny | 2 to 7 mph NNE | 9% |
| Monday Night | 49°F | Mostly Clear then Slight Chance Rain Showers | 9 mph ESE | 18% |
| Tuesday | 73°F | Mostly Sunny | 10 to 18 mph SSE | 10% |
| Tuesday Night | 54°F | Chance Showers And Thunderstorms then Mostly Cloudy | 12 to 18 mph SE | 38% |
| Wednesday | 77°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 7 to 12 mph SSE | 15% |
| Wednesday Night | 54°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 3 to 7 mph S | 24% |
| Thursday | 78°F | Mostly Sunny | 3 to 7 mph SE | 8% |
| Thursday Night | 54°F | Partly Cloudy | 7 mph SE | 14% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Sterling, CO
Last spring frost
Apr 30
First fall frost
Oct 9
Growing season
161 days
Hardiness zone
5b
Explore more for Sterling, CO: full frost dates · planting calendar · Colorado frost dates
Climate data from the nearest NOAA station, Sterling, Co (2.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.