Lyons, IN Weather & Growing Conditions
Tonight
70°F
Scattered Showers And Thunderstorms then Partly Cloudy
Scattered showers and thunderstorms before 9pm. Partly cloudy. Low around 70, with temperatures rising to around 73 overnight. East wind 3 to 8 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 70°F | Scattered Showers And Thunderstorms then Partly Cloudy | 3 to 8 mph E | 41% |
| Saturday | 93°F | Mostly Sunny then Scattered Showers And Thunderstorms | 3 to 7 mph S | 33% |
| Saturday Night | 71°F | Isolated Showers And Thunderstorms then Mostly Cloudy | 5 mph SSE | 16% |
| Sunday | 92°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 to 6 mph WSW | 18% |
| Sunday Night | 66°F | Chance Showers And Thunderstorms | 6 mph NNE | 39% |
| Monday | 80°F | Chance Rain Showers | 5 to 9 mph NE | 51% |
| Monday Night | 59°F | Chance Showers And Thunderstorms | 5 to 12 mph NE | 51% |
| Tuesday | 73°F | Chance Showers And Thunderstorms | 6 to 10 mph NNE | 44% |
| Tuesday Night | 57°F | Chance Showers And Thunderstorms then Mostly Cloudy | 2 to 12 mph NNE | 30% |
| Wednesday | 73°F | Partly Sunny | 3 to 8 mph NNE | 6% |
| Wednesday Night | 56°F | Mostly Cloudy | 1 to 8 mph N | 6% |
| Thursday | 74°F | Mostly Sunny | 1 to 7 mph N | 4% |
| Thursday Night | 57°F | Partly Cloudy | 1 to 7 mph NNE | 4% |
| Friday | 75°F | Mostly Sunny | 2 to 8 mph NNE | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Lyons, IN
Last spring frost
Apr 9
First fall frost
Oct 25
Growing season
197 days
Hardiness zone
6b
Explore more for Lyons, IN: full frost dates · planting calendar · Indiana frost dates
Climate data from the nearest NOAA station, Elnora, In (6.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.