Byron, NE Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Byron, a village in Thayer County, Nebraska.
This Afternoon
57°F
Chance Light Rain
A chance of rain. Mostly cloudy. High near 57, with temperatures falling to around 50 in the afternoon. North northwest wind around 20 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Byron
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 57°F | Chance Light Rain | 20 mph NNW | 38% |
| Tonight | 39°F | Mostly Cloudy | 10 to 15 mph NW | 7% |
| Wednesday | 53°F | Mostly Sunny | 5 to 10 mph WNW | 0% |
| Wednesday Night | 37°F | Mostly Clear | 5 mph WNW | 6% |
| Thursday | 53°F | Partly Sunny | 5 to 10 mph NNW | 13% |
| Thursday Night | 34°F | Mostly Clear | 5 mph N | 0% |
| Friday | 53°F | Mostly Sunny | 0 to 5 mph N | 0% |
| Friday Night | 35°F | Partly Cloudy | 0 mph | 0% |
| Saturday | 61°F | Mostly Sunny | 0 to 5 mph WSW | 3% |
| Saturday Night | 37°F | Mostly Clear | 0 to 5 mph W | 5% |
| Sunday | 65°F | Sunny | 5 mph WSW | 1% |
| Sunday Night | 41°F | Clear | 5 mph SSW | 0% |
| Monday | 67°F | Sunny | 5 to 10 mph WSW | 0% |
| Monday Night | 42°F | Mostly Clear | 5 mph N | 0% |
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 Nov 4, 2026.