Sweetser, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sweetser, a town in Grant County, Indiana.
This Afternoon
74°F
Mostly Sunny
Mostly sunny, with a high near 74. East wind around 10 mph.
7-day forecast for Sweetser
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 74°F | Mostly Sunny | 10 mph E | 3% |
| Tonight | 59°F | Partly Cloudy | 5 mph E | 13% |
| Saturday | 80°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 to 10 mph SE | 77% |
| Saturday Night | 66°F | Chance Showers And Thunderstorms | 5 mph S | 58% |
| Sunday | 79°F | Chance Showers And Thunderstorms | 5 to 10 mph NW | 72% |
| Sunday Night | 56°F | Showers And Thunderstorms Likely | 10 to 15 mph NE | 72% |
| Monday | 67°F | Showers And Thunderstorms Likely | 15 mph NE | 64% |
| Monday Night | 52°F | Chance Showers And Thunderstorms | 15 mph NE | 40% |
| Tuesday | 66°F | Slight Chance Showers And Thunderstorms | 15 mph NE | 24% |
| Tuesday Night | 53°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 15 mph NE | 16% |
| Wednesday | 66°F | Mostly Cloudy | 10 mph NE | 12% |
| Wednesday Night | 53°F | Mostly Cloudy | 5 to 10 mph N | 12% |
| Thursday | 70°F | Partly Sunny | 5 to 10 mph N | 5% |
| Thursday Night | 53°F | Mostly Cloudy | 5 to 10 mph N | 5% |
Forecast source: National Weather Service (api.weather.gov) for Sweetser (40.569, -85.765). Updated through the day.
Growing snapshot for Sweetser
Last spring frost
Apr 26
First fall frost
Oct 20
Growing season
175 days
Hardiness zone
6a
More local growing data for Sweetser: nearby ZIP 46987 weather · frost dates · planting calendar · Indiana frost dates
Nearby towns & communities
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Fowlerton
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Point Isabel
Shamrock Lakes
Sims
Swayzee
Upland
Van Buren
Climate data from the nearest NOAA station, Marion 2 N, In (5.7 mi from Sweetser). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.