Sumner, NE Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sumner, a village in Dawson County, Nebraska.
This Afternoon
90°F
Sunny
Sunny, with a high near 90. Northwest wind around 5 mph.
7-day forecast for Sumner
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 90°F | Sunny | 5 mph NW | 2% |
| Tonight | 62°F | Chance Showers And Thunderstorms | 5 to 10 mph NNE | 66% |
| Saturday | 71°F | Chance Showers And Thunderstorms then Mostly Cloudy | 5 to 10 mph NNE | 25% |
| Saturday Night | 57°F | Mostly Cloudy then Chance Showers And Thunderstorms | 10 mph NNE | 31% |
| Sunday | 63°F | Chance Showers And Thunderstorms | 10 mph NNE | 25% |
| Sunday Night | 54°F | Chance Rain Showers | 5 to 10 mph NE | 40% |
| Monday | 63°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 to 10 mph NNE | 33% |
| Monday Night | 50°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 5 to 10 mph ENE | 23% |
| Tuesday | 63°F | Mostly Cloudy | 5 to 10 mph ESE | 12% |
| Tuesday Night | 52°F | Mostly Cloudy then Slight Chance Rain Showers | 10 mph SE | 22% |
| Wednesday | 64°F | Chance Rain Showers | 10 to 15 mph SSE | 29% |
| Wednesday Night | 55°F | Chance Rain Showers | 5 to 10 mph SSE | 48% |
| Thursday | 68°F | Chance Rain Showers | 5 to 10 mph SSE | 48% |
| Thursday Night | 56°F | Chance Rain Showers | 5 to 10 mph SE | 27% |
Forecast source: National Weather Service (api.weather.gov) for Sumner (40.949, -99.508). Updated through the day.
Growing snapshot for Sumner
Last spring frost
May 10
First fall frost
Oct 1
Growing season
145 days
Hardiness zone
5b
More local growing data for Sumner: nearby ZIP 68878 weather · frost dates · planting calendar · Nebraska frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Oconto, Ne (17.5 mi from Sumner). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.