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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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
Nearby towns & communities
Bourbon
Bremen
Culver
Donaldson
Koontz Lake
La Paz
Lake of the Woods
Plymouth
Talma
Teegarden
Tippecanoe
Tyner
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.