Portageville, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Portageville, a city in New Madrid County, Missouri.
Today
98°F
Sunny
Sunny, with a high near 98. Heat index values as high as 102. West southwest wind 5 to 10 mph.
7-day forecast for Portageville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 98°F | Sunny | 5 to 10 mph WSW | 1% |
| Tonight | 73°F | Mostly Clear | 0 to 5 mph SSW | 0% |
| Sunday | 98°F | Mostly Sunny | 0 to 10 mph SW | 0% |
| Sunday Night | 73°F | Partly Cloudy | 0 to 5 mph NW | 4% |
| Monday | 92°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 10 mph N | 24% |
| Monday Night | 66°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 10 to 15 mph NNE | 27% |
| Tuesday | 82°F | Partly Sunny | 10 to 15 mph N | 14% |
| Tuesday Night | 61°F | Partly Cloudy | 10 to 20 mph N | 14% |
| Wednesday | 80°F | Sunny | 10 to 15 mph N | 2% |
| Wednesday Night | 59°F | Mostly Clear | 5 to 15 mph NNE | 1% |
| Thursday | 81°F | Sunny | 5 to 15 mph NNE | 2% |
| Thursday Night | 60°F | Partly Cloudy | 5 to 15 mph NNE | 3% |
| Friday | 81°F | Mostly Sunny | 5 to 15 mph NNE | 4% |
| Friday Night | 61°F | Partly Cloudy | 5 to 15 mph NNE | 4% |
Forecast source: National Weather Service (api.weather.gov) for Portageville (36.429, -89.699). Updated through the day.
Growing snapshot for Portageville
Last spring frost
Mar 25
First fall frost
Nov 7
Growing season
227 days
Hardiness zone
7b
More local growing data for Portageville: nearby ZIP 63873 weather · frost dates · planting calendar · Missouri frost dates
Nearby towns & communities
Canalou
Catron
Gideon
Hayward
Howardville
Lilbourn
Marston
Matthews
Morehouse
New Madrid
North Lilbourn
Parma
Risco
Tallapoosa
Climate data from the nearest NOAA station, Portageville, Mo (2.4 mi from Portageville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.