Sweetser, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sweetser, a town in Grant County, Indiana.
This Afternoon
69°F
Mostly Cloudy
Mostly cloudy. High near 69, with temperatures falling to around 63 in the afternoon. Southwest wind around 15 mph, with gusts as high as 25 mph.
7-day forecast for Sweetser
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 69°F | Mostly Cloudy | 15 mph SW | 13% |
| Tonight | 47°F | Mostly Cloudy | 5 to 10 mph SW | 7% |
| Thursday | 59°F | Mostly Cloudy | 10 to 15 mph SW | 6% |
| Thursday Night | 42°F | Chance Rain Showers | 5 to 10 mph W | 35% |
| Friday | 52°F | Chance Rain Showers | 5 to 15 mph NW | 38% |
| Friday Night | 34°F | Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NW | 38% |
| Saturday | 52°F | Mostly Sunny | 5 to 10 mph NW | 2% |
| Saturday Night | 29°F | Mostly Clear | 0 to 5 mph W | 0% |
| Sunday | 57°F | Sunny | 5 to 10 mph W | 0% |
| Sunday Night | 32°F | Mostly Clear | 0 to 5 mph W | 0% |
| Monday | 61°F | Sunny | 0 to 10 mph W | 0% |
| Monday Night | 37°F | Clear | 5 mph SW | 0% |
| Tuesday | 62°F | Sunny | 5 mph W | 1% |
| Tuesday Night | 35°F | Mostly Clear | 0 to 5 mph NW | 2% |
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
Converse
Fairmount
Fowlerton
Gas City
Herbst
Jalapa
Jonesboro
Landess
Marion
Matthews
Mier
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 Nov 4, 2026.