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Osmond, WY Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Osmond, a community in Lincoln County, Wyoming.

Tonight
38°F
Patchy Fog
Patchy fog before 3am, then patchy fog and isolated showers and thunderstorms. Mostly cloudy. Low around 38, with temperatures rising to around 43 overnight. South wind around 1 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Osmond

WhenTempForecastWindPrecip
Tonight 38°F Patchy Fog 1 mph S 20%
Saturday 60°F Patchy Fog then Scattered Showers And Thunderstorms 0 to 5 mph NW 46%
Saturday Night 31°F Isolated Showers And Thunderstorms then Patchy Fog 0 to 5 mph N 31%
Sunday 64°F Mostly Sunny 0 to 5 mph NNW 4%
Sunday Night 32°F Mostly Clear 0 to 5 mph NE 0%
Monday 71°F Sunny 2 mph WNW 0%
Monday Night 37°F Partly Cloudy 2 mph NNE 0%
Tuesday 72°F Mostly Sunny 1 mph NW 6%
Tuesday Night 38°F Slight Chance Showers And Thunderstorms 2 mph S 22%
Wednesday 72°F Sunny then Slight Chance Showers And Thunderstorms 2 mph SW 14%
Wednesday Night 37°F Mostly Clear 3 mph NNE 7%
Thursday 74°F Sunny 2 mph SSE 7%
Thursday Night 39°F Partly Cloudy 5 mph SSE 7%
Friday 74°F Mostly Sunny 5 mph S 8%

Forecast source: National Weather Service (api.weather.gov) for Osmond (42.678, -110.941). Updated through the day.

Growing snapshot for Osmond

Last spring frost
Jun 20
First fall frost
Sep 1
Growing season
71 days
Hardiness zone
5a

More local growing data for Osmond: nearby ZIP 83119 weather · frost dates · planting calendar · Wyoming frost dates

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Climate data from the nearest NOAA station, Afton, Wy (7 mi from Osmond). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.