Argos, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Argos, a town in Marshall County, Indiana.
This Afternoon
68°F
Mostly Cloudy
Mostly cloudy. High near 68, with temperatures falling to around 62 in the afternoon. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
7-day forecast for Argos
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Mostly Cloudy | 10 to 15 mph SW | 4% |
| Tonight | 47°F | Mostly Cloudy | 10 to 15 mph SW | 14% |
| Thursday | 57°F | Mostly Cloudy then Slight Chance Rain Showers | 10 to 15 mph SW | 17% |
| Thursday Night | 41°F | Rain Showers Likely | 5 to 10 mph W | 57% |
| Friday | 51°F | Chance Rain Showers | 5 to 15 mph NW | 49% |
| Friday Night | 35°F | Chance Rain Showers | 5 to 10 mph NW | 31% |
| Saturday | 52°F | Partly Sunny | 5 to 10 mph NW | 4% |
| Saturday Night | 30°F | Mostly Clear | 0 to 5 mph W | 0% |
| Sunday | 56°F | Sunny | 5 to 10 mph W | 1% |
| Sunday Night | 32°F | Mostly Clear | 5 mph W | 1% |
| Monday | 60°F | Sunny | 5 to 10 mph W | 0% |
| Monday Night | 38°F | Clear | 5 mph SW | 0% |
| Tuesday | 61°F | Sunny | 5 mph W | 0% |
| Tuesday Night | 35°F | Mostly Clear | 0 to 5 mph NW | 2% |
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 Nov 4, 2026.