Harman US

Blanca, CO Weather & Growing Conditions

Today
73°F
Mostly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms between noon and 5pm. Mostly sunny, with a high near 73. South southwest wind 5 to 20 mph, with gusts as high as 35 mph. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Today 73°F Mostly Sunny then Slight Chance Showers And Thunderstorms 5 to 20 mph SSW 14%
Tonight 39°F Mostly Clear 5 to 20 mph SSE 5%
Sunday 73°F Sunny 5 to 15 mph SSW 0%
Sunday Night 39°F Mostly Clear 5 to 15 mph SSE 0%
Monday 74°F Sunny 0 to 10 mph S 0%
Monday Night 41°F Partly Cloudy 5 to 15 mph SE 1%
Tuesday 72°F Mostly Sunny then Chance Showers And Thunderstorms 5 to 15 mph S 48%
Tuesday Night 42°F Chance Showers And Thunderstorms 10 to 15 mph S 52%
Wednesday 68°F Chance Rain Showers then Chance Showers And Thunderstorms 10 mph S 48%
Wednesday Night 41°F Chance Showers And Thunderstorms 5 to 10 mph S 27%
Thursday 68°F Slight Chance Rain Showers then Chance Showers And Thunderstorms 5 to 10 mph SW 34%
Thursday Night 42°F Chance Showers And Thunderstorms 10 mph SE 46%
Friday 68°F Chance Rain Showers 5 to 10 mph S 50%
Friday Night 41°F Chance Showers And Thunderstorms 10 mph S 37%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Blanca, CO

Last spring frost
May 25
First fall frost
Sep 22
Growing season
117 days
Hardiness zone
5a

Explore more for Blanca, CO: full frost dates · planting calendar · Colorado frost dates

Climate data from the nearest NOAA station, Blanca 4 Nw, Co (4.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.