Harman US

Jackson Lake, CO Weather & Growing Conditions

Tonight
54°F
Showers And Thunderstorms Likely then Mostly Cloudy
Showers and thunderstorms likely before 8pm, then a chance of showers and thunderstorms between 8pm and 11pm. Mostly cloudy. Low around 54, with temperatures rising to around 56 overnight. Northwest wind 3 to 9 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Tonight 54°F Showers And Thunderstorms Likely then Mostly Cloudy 3 to 9 mph NW 66%
Saturday 76°F Partly Sunny then Slight Chance Showers And Thunderstorms 2 to 10 mph SSW 87%
Saturday Night 50°F Showers And Thunderstorms then Chance Showers And Thunderstorms 5 to 12 mph N 78%
Sunday 70°F Chance Rain Showers 5 to 9 mph NNE 42%
Sunday Night 46°F Chance Showers And Thunderstorms then Partly Cloudy 3 to 9 mph NE 30%
Monday 70°F Mostly Sunny 3 to 13 mph E 4%
Monday Night 48°F Slight Chance Showers And Thunderstorms 15 mph ESE 20%
Tuesday 75°F Mostly Sunny 15 to 21 mph SE 10%
Tuesday Night 52°F Chance Showers And Thunderstorms then Mostly Cloudy 13 to 21 mph SE 35%
Wednesday 78°F Partly Sunny 7 to 12 mph SE 8%
Wednesday Night 52°F Slight Chance Showers And Thunderstorms then Mostly Cloudy 8 mph SE 18%
Thursday 78°F Mostly Sunny 6 to 12 mph NE 6%
Thursday Night 53°F Slight Chance Rain Showers then Mostly Cloudy 7 to 12 mph SE 15%
Friday 79°F Mostly Sunny 8 to 14 mph SE 12%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Jackson Lake, CO

Last spring frost
May 9
First fall frost
Oct 4
Growing season
146 days
Hardiness zone
5a

Explore more for Jackson Lake, CO: full frost dates · planting calendar · Colorado frost dates

Climate data from the nearest NOAA station, New Raymer, Co (13.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.