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Monroe City, IN Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Monroe City, a town in Knox County, Indiana.

This Afternoon
95°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms. Sunny. High near 95, with temperatures falling to around 93 in the afternoon. West southwest wind around 5 mph. Chance of precipitation is 20%.

7-day forecast for Monroe City

WhenTempForecastWindPrecip
This Afternoon 95°F Slight Chance Showers And Thunderstorms 5 mph WSW 19%
Tonight 71°F Partly Cloudy 5 mph SSW 14%
Sunday 94°F Mostly Sunny 3 to 7 mph WSW 3%
Sunday Night 67°F Chance Showers And Thunderstorms 7 mph N 51%
Monday 82°F Chance Showers And Thunderstorms 8 mph NE 54%
Monday Night 60°F Chance Showers And Thunderstorms 6 to 9 mph NE 46%
Tuesday 75°F Chance Showers And Thunderstorms 6 to 9 mph NNE 31%
Tuesday Night 58°F Mostly Cloudy 5 to 9 mph NNE 14%
Wednesday 73°F Mostly Sunny 5 to 8 mph N 11%
Wednesday Night 57°F Partly Cloudy 3 to 8 mph N 4%
Thursday 75°F Mostly Sunny 2 to 7 mph N 3%
Thursday Night 58°F Partly Cloudy 2 to 7 mph NNE 3%
Friday 76°F Partly Sunny 2 to 7 mph NNE 3%
Friday Night 56°F Partly Cloudy 6 mph NNE 3%

Forecast source: National Weather Service (api.weather.gov) for Monroe City (38.615, -87.353). Updated through the day.

Growing snapshot for Monroe City

Last spring frost
Apr 20
First fall frost
Oct 22
Growing season
186 days
Hardiness zone
6b

More local growing data for Monroe City: nearby ZIP 47557 weather · frost dates · planting calendar · Indiana frost dates

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Climate data from the nearest NOAA station, Petersburg 61 Brg, In (8.3 mi from Monroe City). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.