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Basalt, CO Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Basalt, a town in Pitkin County, Colorado.

This Afternoon
74°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Partly sunny, with a high near 74. West northwest wind around 10 mph. Chance of precipitation is 40%.

7-day forecast for Basalt

WhenTempForecastWindPrecip
This Afternoon 74°F Chance Showers And Thunderstorms 10 mph WNW 41%
Tonight 48°F Slight Chance Showers And Thunderstorms 5 to 10 mph ENE 31%
Saturday 71°F Chance Showers And Thunderstorms 5 to 10 mph W 37%
Saturday Night 44°F Slight Chance Showers And Thunderstorms 5 to 10 mph SE 23%
Sunday 69°F Mostly Sunny 5 to 15 mph WSW 4%
Sunday Night 42°F Mostly Clear 5 to 10 mph SSE 0%
Monday 73°F Sunny 5 to 10 mph SSW 0%
Monday Night 45°F Partly Cloudy 5 mph S 0%
Tuesday 74°F Mostly Sunny then Slight Chance Showers And Thunderstorms 5 to 10 mph WSW 21%
Tuesday Night 46°F Chance Showers And Thunderstorms 5 to 10 mph SSE 30%
Wednesday 72°F Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms 5 mph S 21%
Wednesday Night 46°F Partly Cloudy 5 mph S 9%
Thursday 74°F Mostly Sunny then Slight Chance Showers And Thunderstorms 5 mph NNW 17%
Thursday Night 48°F Slight Chance Showers And Thunderstorms 5 mph ENE 18%

Forecast source: National Weather Service (api.weather.gov) for Basalt (39.369, -107.049). Updated through the day.

Growing snapshot for Basalt

Last spring frost
May 31
First fall frost
Sep 23
Growing season
114 days
Hardiness zone
6a

More local growing data for Basalt: nearby ZIP 81654 weather · frost dates · planting calendar · Colorado frost dates

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Climate data from the nearest NOAA station, Aspen Pitkin Co Ap, Co (9.6 mi from Basalt). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.