Lemay, MO Weather & Growing Conditions
Tonight
74°F
Partly Cloudy
Partly cloudy, with a low around 74. South wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 74°F | Partly Cloudy | 5 mph S | 11% |
| Saturday | 99°F | Mostly Sunny | 3 to 7 mph SW | 6% |
| Saturday Night | 74°F | Partly Cloudy | 5 mph SW | 1% |
| Sunday | 95°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 6 mph W | 18% |
| Sunday Night | 69°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 6 mph N | 58% |
| Monday | 81°F | Showers And Thunderstorms Likely | 5 to 8 mph N | 69% |
| Monday Night | 62°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 5 to 8 mph N | 69% |
| Tuesday | 72°F | Slight Chance Rain Showers then Mostly Cloudy | 9 mph N | 21% |
| Tuesday Night | 56°F | Mostly Cloudy | 5 to 9 mph N | 6% |
| Wednesday | 75°F | Mostly Sunny | 7 mph N | 2% |
| Wednesday Night | 57°F | Partly Cloudy | 2 to 6 mph N | 1% |
| Thursday | 76°F | Mostly Sunny | 2 to 6 mph N | 3% |
| Thursday Night | 59°F | Partly Cloudy | 5 mph NE | 3% |
| Friday | 76°F | Mostly Sunny | 6 mph N | 6% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Lemay, MO
Last spring frost
Apr 6
First fall frost
Oct 27
Growing season
203 days
Hardiness zone
7a
Explore more for Lemay, MO: full frost dates · planting calendar · Missouri frost dates
Climate data from the nearest NOAA station, Cahokia, Il (6.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.