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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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
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.