Shamrock Lakes, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Shamrock Lakes, a town in Grant County, Indiana.
Today
81°F
Sunny
Sunny, with a high near 81. East wind around 0 mph.
7-day forecast for Shamrock Lakes
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Sunny | 0 mph | 0% |
| Tonight | 59°F | Clear | 0 mph | 0% |
| Wednesday | 83°F | Sunny | 0 to 5 mph SW | 0% |
| Wednesday Night | 64°F | Partly Cloudy | 0 mph | 7% |
| Thursday | 82°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph SW | 58% |
| Thursday Night | 65°F | Showers And Thunderstorms Likely | 0 to 5 mph SW | 58% |
| Friday | 81°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 0 to 5 mph SW | 58% |
| Friday Night | 65°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 44% |
| Saturday | 82°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SW | 16% |
| Saturday Night | 66°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SW | 16% |
| Sunday | 85°F | Mostly Sunny | 5 to 10 mph SW | 11% |
| Sunday Night | 69°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 17% |
| Monday | 85°F | Slight Chance Showers And Thunderstorms | 10 mph SW | 24% |
| Monday Night | 68°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 39% |
Forecast source: National Weather Service (api.weather.gov) for Shamrock Lakes (40.411, -85.427). Updated through the day.
Growing snapshot for Shamrock Lakes
Last spring frost
Apr 22
First fall frost
Oct 22
Growing season
181 days
Hardiness zone
6a
More local growing data for Shamrock Lakes: nearby ZIP 46989 weather · frost dates · planting calendar · Indiana frost dates
Nearby towns & communities
Converse
Fairmount
Fowlerton
Gas City
Herbst
Jalapa
Jonesboro
Landess
Marion
Matthews
Mier
Point Isabel
Sims
Swayzee
Sweetser
Upland
Van Buren
Climate data from the nearest NOAA station, Hartford City 4 Ese, In (10.1 mi from Shamrock Lakes). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.