Harman US

Fort Laramie, WY Weather & Growing Conditions

Today
74°F
Chance Showers And Thunderstorms
A slight chance of rain showers before noon, then a chance of showers and thunderstorms between noon and 3pm, then a chance of showers and thunderstorms. Mostly sunny. High near 74, with temperatures falling to around 71 in the afternoon. South southwest wind 0 to 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Today 74°F Chance Showers And Thunderstorms 0 to 5 mph SSW 36%
Tonight 49°F Showers And Thunderstorms Likely then Chance Showers And Thunderstorms 5 to 10 mph E 64%
Sunday 66°F Rain Showers Likely 5 to 10 mph WNW 64%
Sunday Night 46°F Chance Showers And Thunderstorms then Mostly Cloudy 5 to 10 mph NW 37%
Monday 70°F Mostly Sunny 5 to 10 mph S 3%
Monday Night 47°F Mostly Clear 10 mph ESE 2%
Tuesday 77°F Mostly Sunny 5 to 15 mph SE 2%
Tuesday Night 50°F Partly Cloudy 5 to 15 mph SE 14%
Wednesday 79°F Mostly Sunny 0 to 5 mph SSE 8%
Wednesday Night 50°F Slight Chance Showers And Thunderstorms then Partly Cloudy 0 to 5 mph SSW 21%
Thursday 81°F Sunny 0 to 5 mph WSW 3%
Thursday Night 52°F Partly Cloudy 0 to 5 mph ESE 6%
Friday 82°F Mostly Sunny 0 to 15 mph SE 6%
Friday Night 53°F Slight Chance Rain Showers then Partly Cloudy 5 to 15 mph SSE 16%

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

Growing snapshot for Fort Laramie, WY

Last spring frost
May 14
First fall frost
Sep 26
Growing season
134 days
Hardiness zone
5a

Explore more for Fort Laramie, WY: full frost dates · planting calendar · Wyoming frost dates

Climate data from the nearest NOAA station, Old Ft Laramie, Wy (4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.