Byron, NE Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Byron, a village in Thayer County, Nebraska.
Tonight
69°F
Partly Cloudy then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms between 1am and 3am, then a chance of showers and thunderstorms between 3am and 5am, then a slight chance of showers and thunderstorms. Partly cloudy, with a low around 69. South southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Byron
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 69°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 to 15 mph SSW | 27% |
| Saturday | 82°F | Slight Chance Showers And Thunderstorms | 0 to 10 mph NE | 21% |
| Saturday Night | 62°F | Chance Showers And Thunderstorms | 5 to 10 mph NNE | 35% |
| Sunday | 68°F | Chance Rain Showers | 10 mph NNE | 42% |
| Sunday Night | 60°F | Chance Rain Showers | 5 to 10 mph NNE | 42% |
| Monday | 66°F | Slight Chance Rain Showers | 5 to 10 mph NNE | 16% |
| Monday Night | 54°F | Partly Cloudy | 5 to 10 mph NE | 11% |
| Tuesday | 65°F | Partly Sunny | 5 mph ENE | 3% |
| Tuesday Night | 53°F | Partly Cloudy | 5 mph ESE | 1% |
| Wednesday | 67°F | Partly Sunny | 5 mph SE | 11% |
| Wednesday Night | 58°F | Mostly Cloudy then Chance Showers And Thunderstorms | 5 mph SE | 35% |
| Thursday | 68°F | Chance Showers And Thunderstorms | 5 mph SSE | 38% |
| Thursday Night | 59°F | Chance Rain Showers | 5 mph SE | 28% |
| Friday | 69°F | Chance Rain Showers | 5 mph SE | 28% |
Forecast source: National Weather Service (api.weather.gov) for Byron (40.005, -97.769). Updated through the day.
Growing snapshot for Byron
Last spring frost
Apr 24
First fall frost
Oct 15
Growing season
172 days
Hardiness zone
6a
More local growing data for Byron: nearby ZIP 68325 weather · frost dates · planting calendar · Nebraska frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Hebron, Ne (14.3 mi from Byron). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.