Sterling, CO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sterling, a city in Logan County, Colorado.
Tonight
57°F
Chance Showers And Thunderstorms then Mostly Cloudy
A chance of showers and thunderstorms before 11pm, then a slight chance of showers and thunderstorms between 11pm and midnight. Mostly cloudy, with a low around 57. Northwest wind 3 to 7 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Sterling
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 57°F | Chance Showers And Thunderstorms then Mostly Cloudy | 3 to 7 mph NW | 34% |
| Saturday | 78°F | Partly Sunny then Chance Showers And Thunderstorms | 2 to 8 mph SSW | 75% |
| Saturday Night | 53°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 2 to 7 mph ENE | 90% |
| Sunday | 70°F | Showers And Thunderstorms Likely | 5 mph ENE | 55% |
| Sunday Night | 48°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 mph NNE | 37% |
| Monday | 71°F | Mostly Sunny | 2 to 7 mph NNE | 9% |
| Monday Night | 50°F | Mostly Clear then Slight Chance Rain Showers | 8 to 12 mph ESE | 19% |
| Tuesday | 74°F | Mostly Sunny | 12 to 21 mph SSE | 10% |
| Tuesday Night | 55°F | Chance Showers And Thunderstorms then Mostly Cloudy | 15 to 21 mph SE | 37% |
| Wednesday | 78°F | Partly Sunny | 8 to 14 mph SSE | 13% |
| Wednesday Night | 55°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 5 to 8 mph S | 24% |
| Thursday | 79°F | Mostly Sunny | 3 to 7 mph ESE | 8% |
| Thursday Night | 55°F | Slight Chance Showers And Thunderstorms | 7 mph SE | 15% |
| Friday | 79°F | Mostly Sunny | 5 to 10 mph SE | 13% |
Forecast source: National Weather Service (api.weather.gov) for Sterling (40.620, -103.193). Updated through the day.
Growing snapshot for Sterling
Last spring frost
Apr 30
First fall frost
Oct 9
Growing season
161 days
Hardiness zone
5b
More local growing data for Sterling: nearby ZIP 80751 weather · frost dates · planting calendar · Colorado frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Sterling, Co (2.4 mi from Sterling). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.