Thayer, IN Weather & Growing Conditions
This Afternoon
66°F
Slight Chance Rain Showers
A slight chance of drizzle before 2pm, then a slight chance of rain showers and a slight chance of drizzle. Mostly cloudy. High near 66, with temperatures falling to around 57 in the afternoon. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 66°F | Slight Chance Rain Showers | 10 to 15 mph SW | 5% |
| Tonight | 46°F | Slight Chance Rain Showers then Mostly Cloudy | 10 mph SW | 11% |
| Thursday | 56°F | Mostly Cloudy then Chance Rain | 5 to 15 mph WSW | 39% |
| Thursday Night | 40°F | Rain | 5 to 10 mph NW | 77% |
| Friday | 50°F | Partly Sunny | 10 mph NNW | 13% |
| Friday Night | 35°F | Partly Cloudy | 5 to 10 mph NW | 4% |
| Saturday | 52°F | Mostly Sunny | 5 mph NW | 2% |
| Saturday Night | 32°F | Partly Cloudy | 0 mph | 0% |
| Sunday | 55°F | Sunny | 0 to 10 mph W | 5% |
| Sunday Night | 33°F | Mostly Clear | 0 to 5 mph W | 1% |
| Monday | 61°F | Sunny | 0 to 5 mph SW | 1% |
| Monday Night | 38°F | Mostly Clear | 5 mph WSW | 1% |
| Tuesday | 62°F | Sunny | 5 mph WNW | 1% |
| Tuesday Night | 37°F | Partly Cloudy | 0 mph | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Thayer, IN
Last spring frost
Apr 29
First fall frost
Oct 16
Growing season
171 days
Hardiness zone
5b
Explore more for Thayer, IN: full frost dates · planting calendar · Indiana frost dates
Climate data from the nearest NOAA station, Lowell, In (7.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.