Sims, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sims, a community 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 Sims
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 69°F | Mostly Cloudy | 15 mph SW | 9% |
| Tonight | 47°F | Mostly Cloudy | 5 to 10 mph SW | 7% |
| Thursday | 60°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 | 40% |
| Friday Night | 34°F | Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NW | 40% |
| Saturday | 52°F | Mostly Sunny | 5 to 10 mph NW | 1% |
| Saturday Night | 30°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 | 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 Sims (40.500, -85.857). Updated through the day.
Growing snapshot for Sims
Last spring frost
Apr 26
First fall frost
Oct 20
Growing season
175 days
Hardiness zone
6a
More local growing data for Sims: nearby ZIP 46986 weather · frost dates · planting calendar · Indiana frost dates
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Point Isabel
Shamrock Lakes
Swayzee
Sweetser
Upland
Van Buren
Climate data from the nearest NOAA station, Marion 2 N, In (10.3 mi from Sims). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.