Longtown, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Longtown, a town in Perry County, Missouri.
Overnight
53°F
Partly Cloudy
Partly cloudy. Low around 53, with temperatures rising to around 56 overnight. Southwest wind around 7 mph.
7-day forecast for Longtown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 53°F | Partly Cloudy | 7 mph SW | 7% |
| Wednesday | 62°F | Partly Sunny | 5 to 9 mph W | 2% |
| Wednesday Night | 40°F | Mostly Clear | 3 mph WSW | 0% |
| Thursday | 68°F | Sunny | 6 mph WSW | 0% |
| Thursday Night | 43°F | Partly Cloudy | 5 mph WNW | 1% |
| Friday | 59°F | Partly Sunny | 5 to 12 mph NNW | 1% |
| Friday Night | 34°F | Partly Cloudy | 3 to 7 mph N | 0% |
| Saturday | 55°F | Mostly Sunny | 5 mph N | 0% |
| Saturday Night | 31°F | Partly Cloudy | 2 mph NNW | 0% |
| Sunday | 61°F | Sunny | 5 mph NNW | 1% |
| Sunday Night | 32°F | Clear | 2 mph WNW | 0% |
| Monday | 65°F | Sunny | 0 to 5 mph SW | 0% |
| Monday Night | 37°F | Clear | 2 mph SW | 0% |
| Tuesday | 69°F | Sunny | 3 mph WSW | 1% |
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 Nov 4, 2026.