Hayti, MO Weather & Growing Conditions
Today
99°F
Sunny
Sunny, with a high near 99. Heat index values as high as 101. West southwest wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 99°F | Sunny | 0 to 5 mph WSW | 1% |
| Tonight | 72°F | Mostly Clear | 0 to 5 mph SSW | 0% |
| Sunday | 98°F | Mostly Sunny | 0 to 10 mph SW | 0% |
| Sunday Night | 71°F | Partly Cloudy | 0 to 5 mph NW | 3% |
| Monday | 93°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph N | 21% |
| Monday Night | 67°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 10 mph NNE | 33% |
| Tuesday | 83°F | Mostly Sunny | 10 to 15 mph N | 13% |
| Tuesday Night | 61°F | Partly Cloudy | 10 to 15 mph N | 9% |
| Wednesday | 81°F | Sunny | 10 to 15 mph N | 3% |
| Wednesday Night | 59°F | Mostly Clear | 5 to 15 mph NNE | 1% |
| Thursday | 81°F | Sunny | 5 to 10 mph NNE | 2% |
| Thursday Night | 61°F | Partly Cloudy | 5 to 10 mph NNE | 3% |
| Friday | 82°F | Mostly Sunny | 5 to 15 mph NNE | 4% |
| Friday Night | 61°F | Partly Cloudy | 5 to 10 mph NNE | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Hayti, MO
Last spring frost
Mar 24
First fall frost
Nov 9
Growing season
230 days
Hardiness zone
7b
Explore more for Hayti, MO: full frost dates · planting calendar · Missouri frost dates
Climate data from the nearest NOAA station, Caruthersville, Mo (5.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.