Harman US

Tall Timber, CO Weather & Growing Conditions

Today
74°F
Partly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after noon. Partly sunny. High near 74, with temperatures falling to around 68 in the afternoon. East southeast wind around 3 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Today 74°F Partly Sunny then Chance Showers And Thunderstorms 3 mph ESE 49%
Tonight 50°F Chance Showers And Thunderstorms then Partly Cloudy 2 mph WSW 28%
Sunday 69°F Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms 3 mph NNW 29%
Sunday Night 49°F Slight Chance Rain Showers then Partly Cloudy 2 mph NNE 22%
Monday 70°F Sunny 0 to 6 mph NE 3%
Monday Night 51°F Partly Cloudy 2 mph N 4%
Tuesday 75°F Mostly Sunny then Slight Chance Showers And Thunderstorms 0 to 3 mph NE 15%
Tuesday Night 52°F Slight Chance Showers And Thunderstorms then Partly Cloudy 2 mph WSW 24%
Wednesday 74°F Partly Sunny then Chance Showers And Thunderstorms 0 to 3 mph NE 31%
Wednesday Night 52°F Slight Chance Rain Showers then Partly Cloudy 2 mph NNW 16%
Thursday 75°F Mostly Sunny 5 mph SSW 14%
Thursday Night 54°F Partly Cloudy 2 mph WSW 14%
Friday 76°F Mostly Sunny then Chance Showers And Thunderstorms 0 to 3 mph SSE 25%
Friday Night 55°F Slight Chance Rain Showers 3 mph SW 23%

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

Growing snapshot for Tall Timber, CO

Last spring frost
May 6
First fall frost
Oct 5
Growing season
151 days
Hardiness zone
6a

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

Climate data from the nearest NOAA station, Boulder, Co (4.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.