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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.

Overnight
58°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 5am. Mostly cloudy. Low around 58, with temperatures rising to around 63 overnight. East wind around 10 mph. Chance of precipitation is 20%.

7-day forecast for Argos

WhenTempForecastWindPrecip
Overnight 58°F Slight Chance Showers And Thunderstorms 10 mph E 15%
Saturday 77°F Chance Showers And Thunderstorms then Showers And Thunderstorms 5 to 10 mph SE 76%
Saturday Night 65°F Chance Showers And Thunderstorms then Showers And Thunderstorms 5 mph S 78%
Sunday 73°F Showers And Thunderstorms Likely 5 to 10 mph N 73%
Sunday Night 54°F Chance Rain Showers 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 51°F Slight Chance Rain Showers 5 to 15 mph NE 20%
Wednesday 66°F Partly Sunny 10 mph NE 12%
Wednesday Night 52°F Mostly Cloudy 5 to 10 mph NE 9%
Thursday 69°F Partly Sunny 5 mph N 5%
Thursday Night 52°F Mostly Cloudy 5 mph N 5%
Friday 71°F Mostly Sunny 5 mph NE 5%

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.