Simla, CO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Simla, a town in Elbert County, Colorado.
Today
75°F
Mostly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms between 1pm and 2pm, then showers and thunderstorms likely. Mostly sunny, with a high near 75. East wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Simla
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 75°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph E | 64% |
| Tonight | 48°F | Showers And Thunderstorms Likely then Mostly Cloudy | 5 to 10 mph NNW | 71% |
| Sunday | 69°F | Mostly Sunny then Showers And Thunderstorms Likely | 5 to 10 mph S | 70% |
| Sunday Night | 47°F | Showers And Thunderstorms | 0 to 10 mph ESE | 82% |
| Monday | 69°F | Slight Chance Rain Showers then Mostly Sunny | 5 to 10 mph S | 19% |
| Monday Night | 48°F | Chance Showers And Thunderstorms | 15 mph SSE | 48% |
| Tuesday | 71°F | Mostly Sunny | 15 mph SSE | 9% |
| Tuesday Night | 50°F | Chance Rain Showers then Mostly Cloudy | 15 mph SSE | 36% |
| Wednesday | 75°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 10 to 15 mph S | 15% |
| Wednesday Night | 51°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 5 to 10 mph SSW | 22% |
| Thursday | 76°F | Mostly Sunny | 5 to 10 mph NNE | 8% |
| Thursday Night | 52°F | Slight Chance Rain Showers | 5 to 10 mph S | 20% |
| Friday | 75°F | Mostly Sunny then Slight Chance Rain Showers | 5 to 15 mph S | 20% |
| Friday Night | 52°F | Chance Rain Showers | 10 to 15 mph S | 26% |
Forecast source: National Weather Service (api.weather.gov) for Simla (39.141, -104.082). Updated through the day.
Growing snapshot for Simla
Last spring frost
May 12
First fall frost
Oct 2
Growing season
141 days
Hardiness zone
5b
More local growing data for Simla: nearby ZIP 80835 weather · frost dates · planting calendar · Colorado frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Matheson 8 Se, Co (11.3 mi from Simla). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.