Longtown, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Longtown, a town in Perry County, Missouri.
Tonight
43°F
Mostly Clear
Mostly clear, with a low around 43. Southwest wind around 5 mph.
7-day forecast for Longtown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 43°F | Mostly Clear | 5 mph SW | 0% |
| Thursday | 66°F | Sunny | 3 to 7 mph WSW | 1% |
| Thursday Night | 41°F | Partly Cloudy | 6 mph NW | 1% |
| Friday | 56°F | Partly Sunny | 6 to 12 mph NNW | 1% |
| Friday Night | 31°F | Mostly Clear | 3 to 7 mph N | 0% |
| Saturday | 53°F | Sunny | 5 mph N | 0% |
| Saturday Night | 29°F | Mostly Clear | 1 mph NNW | 0% |
| Sunday | 59°F | Sunny | 2 mph NW | 0% |
| Sunday Night | 31°F | Mostly Clear | 1 mph NW | 0% |
| Monday | 64°F | Sunny | 0 to 3 mph ENE | 0% |
| Monday Night | 35°F | Clear | 2 mph SW | 1% |
| Tuesday | 66°F | Sunny | 3 mph WNW | 0% |
| Tuesday Night | 37°F | Mostly Clear | 2 mph NW | 4% |
| Veterans Day | 66°F | Sunny | 3 mph N | 2% |
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 5, 2026.