Amboy, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Amboy, a town in Miami County, Indiana.
Overnight
57°F
Mostly Clear
Mostly clear, with a low around 57. South wind around 0 mph.
7-day forecast for Amboy
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 57°F | Mostly Clear | 0 mph | 0% |
| Tuesday | 81°F | Sunny | 0 mph | 0% |
| Tuesday Night | 59°F | Mostly Clear | 0 mph | 0% |
| Wednesday | 83°F | Sunny | 0 to 5 mph S | 0% |
| Wednesday Night | 64°F | Partly Cloudy then Chance Showers And Thunderstorms | 0 to 5 mph SW | 25% |
| Thursday | 81°F | Showers And Thunderstorms Likely | 5 mph SW | 67% |
| Thursday Night | 64°F | Showers And Thunderstorms Likely | 0 to 5 mph SW | 67% |
| Friday | 81°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 29% |
| Friday Night | 64°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 29% |
| Saturday | 83°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SW | 15% |
| Saturday Night | 66°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph SW | 15% |
| Sunday | 85°F | Mostly Sunny | 5 to 15 mph SW | 10% |
| Sunday Night | 69°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 10 mph SW | 19% |
| Monday | 85°F | Slight Chance Showers And Thunderstorms | 10 mph SW | 23% |
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 Aug 4, 2026.