Harman US

San Acacio, CO Weather & Growing Conditions

Today
89°F
Mostly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. South southeast wind 5 to 15 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Today 89°F Mostly Sunny then Slight Chance Showers And Thunderstorms 5 to 15 mph SSE 19%
Tonight 55°F Patchy Smoke then Partly Cloudy 10 to 20 mph SSE 17%
Wednesday 88°F Sunny 10 to 15 mph WSW 9%
Wednesday Night 53°F Partly Cloudy 5 to 15 mph SE 6%
Thursday 89°F Sunny 5 to 15 mph W 2%
Thursday Night 54°F Mostly Clear 10 to 25 mph S 2%
Friday 89°F Sunny 5 to 15 mph NNW 2%
Friday Night 55°F Mostly Clear 15 mph SSE 1%
Saturday 90°F Sunny 10 mph SE 2%
Saturday Night 55°F Slight Chance Showers And Thunderstorms then Partly Cloudy 15 to 20 mph S 15%
Sunday 89°F Sunny 10 mph S 6%
Sunday Night 55°F Partly Cloudy 15 mph S 8%
Monday 89°F Sunny 10 mph SE 9%
Monday Night 54°F Chance Showers And Thunderstorms then Partly Cloudy 10 to 15 mph SSW 26%

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

Growing snapshot for San Acacio, CO

Last spring frost
May 28
First fall frost
Sep 21
Growing season
115 days
Hardiness zone
5a

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

Climate data from the nearest NOAA station, Manassa, Co (13.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.