Basalt, CO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Basalt, a town in Pitkin County, Colorado.
Overnight
58°F
Patchy Smoke
Patchy smoke. Partly cloudy, with a low around 58. East wind 5 to 10 mph.
7-day forecast for Basalt
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 58°F | Patchy Smoke | 5 to 10 mph E | 1% |
| Tuesday | 92°F | Patchy Smoke | 5 to 15 mph W | 1% |
| Tuesday Night | 56°F | Patchy Smoke then Mostly Clear | 5 to 15 mph ENE | 1% |
| Wednesday | 89°F | Sunny | 5 to 15 mph SW | 0% |
| Wednesday Night | 54°F | Mostly Clear | 5 to 15 mph S | 0% |
| Thursday | 91°F | Sunny | 5 to 15 mph N | 0% |
| Thursday Night | 56°F | Clear | 0 to 15 mph E | 0% |
| Friday | 94°F | Sunny | 5 to 10 mph NE | 0% |
| Friday Night | 57°F | Mostly Clear | 5 to 10 mph E | 0% |
| Saturday | 94°F | Sunny | 5 to 10 mph NNW | 0% |
| Saturday Night | 60°F | Mostly Clear | 10 mph ENE | 0% |
| Sunday | 93°F | Sunny | 5 to 10 mph WNW | 1% |
| Sunday Night | 60°F | Partly Cloudy | 5 to 10 mph SSE | 4% |
| Monday | 92°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 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
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 Aug 4, 2026.