Harman US

McKinnon, WY Weather & Growing Conditions

Today
63°F
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms
A slight chance of showers and thunderstorms between 11am and noon, then showers and thunderstorms between noon and 4pm, then a chance of showers and thunderstorms. Partly sunny. High near 63, with temperatures falling to around 58 in the afternoon. West northwest wind 2 to 7 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Today 63°F Slight Chance Showers And Thunderstorms then Showers And Thunderstorms 2 to 7 mph WNW 91%
Tonight 37°F Chance Showers And Thunderstorms then Partly Cloudy 8 mph W 38%
Sunday 62°F Sunny 8 mph W 1%
Sunday Night 37°F Mostly Clear 2 to 7 mph WSW 0%
Monday 66°F Sunny 1 to 5 mph ENE 0%
Monday Night 41°F Partly Cloudy 5 mph SE 2%
Tuesday 69°F Mostly Sunny then Chance Showers And Thunderstorms 6 mph S 29%
Tuesday Night 42°F Chance Showers And Thunderstorms 6 mph SW 48%
Wednesday 68°F Mostly Sunny then Slight Chance Showers And Thunderstorms 6 mph W 19%
Wednesday Night 41°F Mostly Clear 5 mph WSW 4%
Thursday 71°F Sunny 6 mph SE 6%
Thursday Night 44°F Partly Cloudy 6 mph SSE 4%
Friday 71°F Mostly Sunny then Slight Chance Showers And Thunderstorms 3 mph SSE 18%
Friday Night 45°F Slight Chance Showers And Thunderstorms then Partly Cloudy 8 mph SSW 14%

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

Growing snapshot for McKinnon, WY

Last spring frost
May 22
First fall frost
Sep 29
Growing season
128 days
Hardiness zone
5b

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

Climate data from the nearest NOAA station, Manila, Ut (11.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.