Harman US

Lyon, MS Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Lyon, a town in Coahoma County, Mississippi.

Overnight
73°F
Clear
Clear, with a low around 73. West wind around 0 mph.

7-day forecast for Lyon

WhenTempForecastWindPrecip
Overnight 73°F Clear 0 mph 0%
Saturday 102°F Sunny 0 mph 1%
Saturday Night 73°F Mostly Clear 0 mph 1%
Sunday 101°F Sunny 0 to 5 mph W 1%
Sunday Night 74°F Mostly Clear 0 to 5 mph SW 1%
Monday 100°F Mostly Sunny 0 to 5 mph W 7%
Monday Night 71°F Slight Chance Showers And Thunderstorms 0 to 5 mph NNE 21%
Tuesday 94°F Sunny 5 to 10 mph N 10%
Tuesday Night 66°F Mostly Clear 5 to 10 mph NNE 10%
Wednesday 90°F Sunny 5 to 10 mph NNE 2%
Wednesday Night 63°F Mostly Clear 5 to 10 mph NNE 2%
Thursday 89°F Sunny 5 to 10 mph NNE 0%
Thursday Night 63°F Mostly Clear 5 to 10 mph NNE 0%
Friday 89°F Mostly Sunny 5 to 10 mph NNE 1%

Forecast source: National Weather Service (api.weather.gov) for Lyon (34.217, -90.543). Updated through the day.

Growing snapshot for Lyon

Last spring frost
Mar 16
First fall frost
Nov 12
Growing season
243 days
Hardiness zone
8a

More local growing data for Lyon: nearby ZIP 38645 weather · frost dates · planting calendar · Mississippi frost dates

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Climate data from the nearest NOAA station, Clarksdale, Ms (6.3 mi from Lyon). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.