Longtown, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Longtown, a town in Perry County, Missouri.
Today
85°F
Patchy Fog then Sunny
Patchy fog before 8am. Sunny, with a high near 85. East wind around 2 mph.
7-day forecast for Longtown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Patchy Fog then Sunny | 2 mph E | 2% |
| Tonight | 65°F | Mostly Clear | 3 mph SE | 0% |
| Wednesday | 88°F | Sunny | 1 to 5 mph S | 0% |
| Wednesday Night | 69°F | Partly Cloudy | 5 mph S | 12% |
| Thursday | 88°F | Chance Showers And Thunderstorms | 3 to 7 mph S | 38% |
| Thursday Night | 70°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 6 mph S | 59% |
| Friday | 87°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 5 mph SSW | 59% |
| Friday Night | 69°F | Chance Showers And Thunderstorms | 3 mph SW | 39% |
| Saturday | 88°F | Chance Showers And Thunderstorms | 3 mph SSW | 39% |
| Saturday Night | 70°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph SSW | 15% |
| Sunday | 90°F | Sunny | 5 to 8 mph SSW | 8% |
| Sunday Night | 72°F | Mostly Clear | 8 mph SSW | 3% |
| Monday | 92°F | Sunny | 6 to 9 mph SSW | 5% |
| Monday Night | 73°F | Mostly Clear | 9 mph SSW | 5% |
Forecast source: National Weather Service (api.weather.gov) for Longtown (37.670, -89.774). Updated through the day.
Growing snapshot for Longtown
Last spring frost
Apr 19
First fall frost
Oct 20
Growing season
182 days
Hardiness zone
7a
More local growing data for Longtown: nearby ZIP 63746 weather · frost dates · planting calendar · Missouri frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Perryville Wtp, Mo (12.4 mi from Longtown). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.