Longtown, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Longtown, a town in Perry County, Missouri.
This Afternoon
75°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Cloudy. High near 75, with temperatures falling to around 70 in the afternoon. South wind around 9 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.
7-day forecast for Longtown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 75°F | Showers And Thunderstorms Likely | 9 mph S | 74% |
| Tonight | 53°F | Showers And Thunderstorms | 7 to 15 mph SSW | 91% |
| Wednesday | 67°F | Partly Sunny | 5 to 9 mph WSW | 2% |
| Wednesday Night | 40°F | Partly Cloudy | 3 mph SW | 0% |
| Thursday | 68°F | Sunny | 3 to 7 mph SW | 0% |
| Thursday Night | 42°F | Mostly Cloudy | 6 mph WNW | 6% |
| Friday | 60°F | Partly Sunny | 6 to 10 mph NNW | 2% |
| Friday Night | 37°F | Partly Cloudy | 6 mph NNW | 0% |
| Saturday | 57°F | Partly Sunny | 5 mph NNW | 0% |
| Saturday Night | 33°F | Partly Cloudy | 2 mph NW | 2% |
| Sunday | 62°F | Sunny | 2 to 6 mph WNW | 5% |
| Sunday Night | 33°F | Mostly Clear | 3 mph WNW | 5% |
| Monday | 65°F | Sunny | 2 to 7 mph WSW | 1% |
| Monday Night | 36°F | Mostly Clear | 3 mph SW | 0% |
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.