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Argos, IN Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Argos, a town in Marshall County, Indiana.

Today
76°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy, with a high near 76. Southeast wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

7-day forecast for Argos

WhenTempForecastWindPrecip
Today 76°F Showers And Thunderstorms 5 to 10 mph SE 89%
Tonight 65°F Showers And Thunderstorms 5 mph S 78%
Sunday 73°F Showers And Thunderstorms Likely 5 to 10 mph N 74%
Sunday Night 54°F Chance Showers And Thunderstorms 10 to 15 mph NE 48%
Monday 65°F Chance Rain Showers 10 to 15 mph NE 44%
Monday Night 49°F Slight Chance Rain Showers then Mostly Cloudy 10 to 15 mph NE 18%
Tuesday 65°F Mostly Cloudy then Slight Chance Rain Showers 10 to 15 mph NE 20%
Tuesday Night 50°F Slight Chance Rain Showers 10 to 15 mph NE 23%
Wednesday 66°F Slight Chance Rain Showers 10 mph NE 23%
Wednesday Night 51°F Mostly Cloudy 5 to 10 mph NE 12%
Thursday 68°F Partly Sunny 5 to 10 mph NE 3%
Thursday Night 51°F Mostly Cloudy 5 to 10 mph NE 3%
Friday 71°F Mostly Sunny 5 mph NE 1%
Friday Night 50°F Partly Cloudy 5 mph NE 1%

Forecast source: National Weather Service (api.weather.gov) for Argos (41.238, -86.253). Updated through the day.

Growing snapshot for Argos

Last spring frost
Apr 25
First fall frost
Oct 21
Growing season
178 days
Hardiness zone
6a

More local growing data for Argos: nearby ZIP 46501 weather · frost dates · planting calendar · Indiana frost dates

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Climate data from the nearest NOAA station, Plymouth, In (9.4 mi from Argos). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.