Lyon, MS Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lyon, a town in Coahoma County, Mississippi.
Tonight
56°F
Chance Rain Showers
A chance of rain showers before 1am. Mostly cloudy, with a low around 56. Southwest wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts between 1 and 2 inches possible.
7-day forecast for Lyon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 56°F | Chance Rain Showers | 5 mph SW | 28% |
| Wednesday | 72°F | Mostly Sunny | 5 mph W | 0% |
| Wednesday Night | 45°F | Partly Cloudy | 0 to 5 mph W | 0% |
| Thursday | 73°F | Mostly Sunny | 0 mph | 0% |
| Thursday Night | 47°F | Partly Cloudy | 0 mph | 0% |
| Friday | 69°F | Mostly Sunny | 5 to 10 mph N | 0% |
| Friday Night | 40°F | Partly Cloudy | 5 mph N | 0% |
| Saturday | 64°F | Mostly Sunny | 5 to 10 mph N | 0% |
| Saturday Night | 37°F | Partly Cloudy | 0 to 5 mph N | 2% |
| Sunday | 64°F | Mostly Sunny | 0 to 10 mph NNW | 6% |
| Sunday Night | 36°F | Mostly Clear | 0 to 5 mph NW | 2% |
| Monday | 67°F | Sunny | 0 to 5 mph WNW | 0% |
| Monday Night | 37°F | Mostly Clear | 0 to 5 mph SW | 1% |
| Tuesday | 71°F | Sunny | 0 to 5 mph SSW | 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
Nearby towns & communities
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 Nov 4, 2026.