Longtown, MO Weather & Growing Conditions
Overnight
54°F
Slight Chance Rain Showers
A slight chance of rain showers before 2am. Mostly cloudy. Low around 54, with temperatures rising to around 57 overnight. Southwest wind around 9 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 54°F | Slight Chance Rain Showers | 9 mph SW | 15% |
| Wednesday | 66°F | Partly Sunny | 5 to 9 mph W | 2% |
| Wednesday Night | 41°F | Mostly Clear | 3 mph WSW | 0% |
| Thursday | 68°F | Sunny | 6 mph WSW | 0% |
| Thursday Night | 44°F | Partly Cloudy | 3 mph NW | 1% |
| Friday | 59°F | Partly Sunny | 5 to 10 mph NNW | 0% |
| Friday Night | 35°F | Partly Cloudy | 3 to 7 mph N | 0% |
| Saturday | 55°F | Mostly Sunny | 5 mph N | 0% |
| Saturday Night | 32°F | Partly Cloudy | 2 mph NNW | 0% |
| Sunday | 61°F | Sunny | 5 mph NNW | 1% |
| Sunday Night | 33°F | Clear | 2 mph WNW | 0% |
| Monday | 65°F | Sunny | 0 to 5 mph WSW | 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). Updated through the day.
Growing snapshot for Longtown, MO
Last spring frost
Apr 19
First fall frost
Oct 20
Growing season
182 days
Hardiness zone
7a
Explore more for Longtown, MO: full frost dates · planting calendar · Missouri frost dates
Climate data from the nearest NOAA station, Perryville Wtp, Mo (12.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.