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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
68°F
Chance Rain Showers then Chance Showers And Thunderstorms
A chance of rain showers before noon, then a chance of showers and thunderstorms. Partly sunny. High near 68, with temperatures falling to around 63 in the afternoon. Southwest wind 2 to 12 mph, with gusts as high as 18 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Hot Sulphur Springs

WhenTempForecastWindPrecip
Today 68°F Chance Rain Showers then Chance Showers And Thunderstorms 2 to 12 mph SW 45%
Tonight 34°F Chance Showers And Thunderstorms 1 to 9 mph ESE 25%
Sunday 64°F Chance Rain Showers then Slight Chance Showers And Thunderstorms 1 to 15 mph WSW 32%
Sunday Night 30°F Mostly Clear 1 to 12 mph S 1%
Monday 68°F Sunny 1 to 9 mph S 0%
Monday Night 33°F Mostly Clear 5 mph ENE 0%
Tuesday 71°F Mostly Sunny 1 to 9 mph SSW 14%
Tuesday Night 36°F Slight Chance Rain Showers then Partly Cloudy 0 to 8 mph SE 20%
Wednesday 68°F Mostly Sunny then Slight Chance Showers And Thunderstorms 0 to 10 mph SSW 19%
Wednesday Night 35°F Partly Cloudy 0 to 7 mph SSE 5%
Thursday 72°F Mostly Sunny 0 to 7 mph WSW 9%
Thursday Night 38°F Partly Cloudy 5 mph ENE 10%
Friday 71°F Mostly Sunny then Slight Chance Showers And Thunderstorms 1 to 8 mph SSW 24%
Friday Night 38°F Chance Rain Showers 1 to 6 mph S 28%

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

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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 Sep 19, 2026.