Basalt, CO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Basalt, a town in Pitkin County, Colorado.
Tonight
47°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms before 4am, then a chance of showers and thunderstorms between 4am and 5am, then a slight chance of showers and thunderstorms. Partly cloudy, with a low around 47. East northeast wind 5 to 10 mph. Chance of precipitation is 40%.
7-day forecast for Basalt
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 47°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph ENE | 35% |
| Saturday | 72°F | Chance Showers And Thunderstorms | 5 to 10 mph NNW | 53% |
| Saturday Night | 44°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph E | 19% |
| Sunday | 69°F | Sunny | 5 to 15 mph SW | 1% |
| 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 to 10 mph SSE | 0% |
| Tuesday | 74°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 24% |
| Tuesday Night | 46°F | Chance Showers And Thunderstorms | 5 to 10 mph S | 34% |
| Wednesday | 71°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 5 to 10 mph WSW | 26% |
| Wednesday Night | 46°F | Partly Cloudy | 5 mph S | 7% |
| Thursday | 74°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 mph NNE | 14% |
| Thursday Night | 48°F | Slight Chance Showers And Thunderstorms | 5 mph S | 17% |
| Friday | 73°F | Chance Showers And Thunderstorms | 5 mph NE | 38% |
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
Nearby towns & communities
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.