Mexico, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mexico, a city in Audrain County, Missouri.
This Afternoon
93°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms. Sunny, with a high near 93. Heat index values as high as 102. Southwest wind around 5 mph. Chance of precipitation is 20%.
7-day forecast for Mexico
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 93°F | Slight Chance Showers And Thunderstorms | 5 mph SW | 24% |
| Tonight | 71°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 5 mph SE | 19% |
| Saturday | 93°F | Mostly Cloudy | 6 to 10 mph SW | 4% |
| Saturday Night | 68°F | Mostly Cloudy then Chance Showers And Thunderstorms | 6 mph SW | 29% |
| Sunday | 84°F | Showers And Thunderstorms Likely | 2 to 7 mph W | 59% |
| Sunday Night | 62°F | Showers And Thunderstorms | 5 to 8 mph NE | 79% |
| Monday | 70°F | Showers And Thunderstorms | 6 to 10 mph NE | 79% |
| Monday Night | 55°F | Chance Showers And Thunderstorms | 7 to 10 mph NE | 46% |
| Tuesday | 66°F | Slight Chance Rain Showers then Mostly Cloudy | 10 mph NE | 16% |
| Tuesday Night | 49°F | Mostly Cloudy | 3 to 9 mph NE | 4% |
| Wednesday | 70°F | Mostly Sunny | 7 mph NE | 1% |
| Wednesday Night | 51°F | Partly Cloudy | 1 to 6 mph NE | 1% |
| Thursday | 71°F | Mostly Sunny | 1 to 6 mph NE | 6% |
| Thursday Night | 54°F | Partly Cloudy | 1 to 5 mph NE | 6% |
Forecast source: National Weather Service (api.weather.gov) for Mexico (39.162, -91.873). Updated through the day.
Growing snapshot for Mexico
Last spring frost
Apr 11
First fall frost
Oct 25
Growing season
197 days
Hardiness zone
6b
More local growing data for Mexico: nearby ZIP 65265 weather · frost dates · planting calendar · Missouri frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Mexico, Mo (1.9 mi from Mexico). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.