Amboy, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Amboy, a town in Miami County, Indiana.
Overnight
59°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 59. East wind around 10 mph. Chance of precipitation is 20%.
7-day forecast for Amboy
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 59°F | Slight Chance Showers And Thunderstorms | 10 mph E | 15% |
| Saturday | 79°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 to 10 mph SE | 78% |
| Saturday Night | 66°F | Chance Showers And Thunderstorms | 5 mph S | 54% |
| Sunday | 77°F | Showers And Thunderstorms Likely | 5 to 10 mph NW | 60% |
| Sunday Night | 55°F | Showers And Thunderstorms Likely | 15 mph NE | 58% |
| Monday | 66°F | Chance Showers And Thunderstorms | 15 mph NE | 54% |
| Monday Night | 51°F | Chance Rain Showers | 15 mph NE | 38% |
| Tuesday | 66°F | Slight Chance Rain Showers | 15 mph NE | 21% |
| Tuesday Night | 52°F | Chance Rain Showers | 10 to 15 mph NE | 26% |
| Wednesday | 66°F | Chance Rain Showers | 10 mph NE | 26% |
| Wednesday Night | 52°F | Mostly Cloudy | 5 to 10 mph NE | 14% |
| Thursday | 68°F | Mostly Cloudy | 5 to 10 mph N | 4% |
| Thursday Night | 52°F | Mostly Cloudy | 5 to 10 mph NE | 3% |
| Friday | 71°F | Mostly Sunny | 5 to 10 mph NE | 4% |
Forecast source: National Weather Service (api.weather.gov) for Amboy (40.603, -85.927). Updated through the day.
Growing snapshot for Amboy
Last spring frost
Apr 23
First fall frost
Oct 21
Growing season
181 days
Hardiness zone
6a
More local growing data for Amboy: nearby ZIP 46911 weather · frost dates · planting calendar · Indiana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Wabash, In (13 mi from Amboy). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.