Mongo, IN Weather & Growing Conditions
Today
72°F
Showers And Thunderstorms Likely then Showers And Thunderstorms
Showers and thunderstorms likely before 10am, then showers and thunderstorms between 10am and 2pm, then a chance of showers and thunderstorms. Cloudy, with a high near 72. East wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 72°F | Showers And Thunderstorms Likely then Showers And Thunderstorms | 5 to 10 mph E | 94% |
| Tonight | 63°F | Showers And Thunderstorms Likely | 5 mph S | 86% |
| Sunday | 70°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 10 mph N | 81% |
| Sunday Night | 52°F | Chance Rain Showers | 10 mph NE | 40% |
| Monday | 64°F | Slight Chance Rain Showers | 10 to 15 mph NE | 22% |
| Monday Night | 48°F | Slight Chance Rain Showers then Mostly Cloudy | 10 to 15 mph NE | 16% |
| Tuesday | 63°F | Partly Sunny then Slight Chance Rain Showers | 10 to 15 mph NE | 16% |
| Tuesday Night | 50°F | Chance Rain Showers | 10 to 15 mph NE | 41% |
| Wednesday | 64°F | Chance Rain Showers | 10 to 15 mph NE | 44% |
| Wednesday Night | 50°F | Chance Showers And Thunderstorms then Mostly Cloudy | 5 to 10 mph NE | 37% |
| Thursday | 66°F | Mostly Cloudy | 5 to 10 mph NE | 6% |
| Thursday Night | 50°F | Mostly Cloudy | 5 to 10 mph NE | 6% |
| Friday | 70°F | Mostly Sunny | 5 to 10 mph NE | 4% |
| Friday Night | 49°F | Partly Cloudy | 5 mph NE | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Mongo, IN
Last spring frost
Apr 26
First fall frost
Oct 21
Growing season
176 days
Hardiness zone
6a
Explore more for Mongo, IN: full frost dates · planting calendar · Indiana frost dates
Climate data from the nearest NOAA station, Lagrange, In (6.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.