Hot Sulphur Springs, CO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hot Sulphur Springs, a town in Grand County, Colorado.
Today
82°F
Patchy Smoke
Patchy smoke. Sunny. High near 82, with temperatures falling to around 80 in the afternoon. South southwest wind 3 to 15 mph, with gusts as high as 24 mph.
7-day forecast for Hot Sulphur Springs
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Patchy Smoke | 3 to 15 mph SSW | 5% |
| Tonight | 42°F | Patchy Smoke | 2 to 13 mph S | 4% |
| Wednesday | 81°F | Sunny then Patchy Smoke | 2 to 16 mph W | 0% |
| Wednesday Night | 39°F | Patchy Smoke then Mostly Clear | 2 to 15 mph NE | 0% |
| Thursday | 83°F | Sunny | 1 to 15 mph WSW | 0% |
| Thursday Night | 41°F | Clear | 2 to 14 mph S | 0% |
| Friday | 85°F | Sunny | 1 to 13 mph SW | 0% |
| Friday Night | 44°F | Mostly Clear | 3 to 13 mph ENE | 0% |
| Saturday | 85°F | Sunny | 1 to 13 mph SW | 0% |
| Saturday Night | 47°F | Mostly Clear | 5 to 10 mph ENE | 0% |
| Sunday | 85°F | Sunny | 2 to 13 mph WSW | 3% |
| Sunday Night | 47°F | Partly Cloudy | 2 to 10 mph E | 5% |
| Monday | 84°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 1 to 10 mph SSW | 22% |
| Monday Night | 46°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 to 10 mph ESE | 32% |
Forecast source: National Weather Service (api.weather.gov) for Hot Sulphur Springs (40.075, -106.103). Updated through the day.
Growing snapshot for Hot Sulphur Springs
Last spring frost
Jun 12
First fall frost
Sep 10
Growing season
89 days
Hardiness zone
5b
More local growing data for Hot Sulphur Springs: nearby ZIP 80451 weather · frost dates · planting calendar · Colorado frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Williams Fork Dam, Co (8.4 mi from Hot Sulphur Springs). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.