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Lyman, WY Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Lyman, a town in Uinta County, Wyoming.

Overnight
25°F
Patchy Fog
Patchy fog. Cloudy. Low around 25, with temperatures rising to around 27 overnight. Wind around 0 mph.

7-day forecast for Lyman

WhenTempForecastWindPrecip
Overnight 25°F Patchy Fog 0 mph 2%
Wednesday 44°F Patchy Fog then Mostly Cloudy 0 to 3 mph WNW 12%
Wednesday Night 24°F Partly Cloudy 5 mph SW 12%
Thursday 48°F Partly Sunny 3 mph WNW 2%
Thursday Night 27°F Mostly Cloudy 2 to 6 mph W 9%
Friday 49°F Sunny 5 to 9 mph W 2%
Friday Night 25°F Mostly Clear 5 to 9 mph WSW 0%
Saturday 53°F Sunny 0 to 6 mph WNW 0%
Saturday Night 27°F Mostly Clear 2 mph SW 0%
Sunday 58°F Sunny 2 mph WSW 0%
Sunday Night 30°F Mostly Clear 1 to 6 mph SW 0%
Monday 57°F Mostly Sunny 2 mph W 0%
Monday Night 31°F Mostly Cloudy 0 to 3 mph SW 0%
Tuesday 57°F Mostly Sunny 3 mph WSW 0%

Forecast source: National Weather Service (api.weather.gov) for Lyman (41.328, -110.297). Updated through the day.

Growing snapshot for Lyman

Last spring frost
Jun 14
First fall frost
Sep 9
Growing season
84 days
Hardiness zone
5a

More local growing data for Lyman: nearby ZIP 82937 weather · frost dates · planting calendar · Wyoming frost dates

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Climate data from the nearest NOAA station, Mtn View, Wy (6.8 mi from Lyman). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.