Sumner, NE Weather & Growing Conditions
Tonight
31°F
Partly Cloudy
Partly cloudy, with a low around 31. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 31°F | Partly Cloudy | 10 to 15 mph NW | 0% |
| Wednesday | 50°F | Sunny | 10 to 15 mph NW | 0% |
| Wednesday Night | 34°F | Mostly Cloudy then Slight Chance Light Rain | 5 to 10 mph NNW | 20% |
| Thursday | 51°F | Partly Sunny | 10 to 15 mph NNW | 7% |
| Thursday Night | 28°F | Mostly Clear | 0 to 5 mph NNW | 0% |
| Friday | 52°F | Mostly Sunny | 0 to 5 mph WSW | 0% |
| Friday Night | 31°F | Partly Cloudy | 5 mph SW | 0% |
| Saturday | 60°F | Sunny | 5 mph WNW | 3% |
| Saturday Night | 33°F | Mostly Clear | 5 mph WNW | 2% |
| Sunday | 62°F | Sunny | 5 to 10 mph WSW | 0% |
| Sunday Night | 38°F | Clear | 5 to 10 mph SW | 0% |
| Monday | 63°F | Sunny | 5 to 10 mph NW | 0% |
| Monday Night | 37°F | Partly Cloudy | 5 mph NNW | 0% |
| Tuesday | 60°F | Mostly Sunny | 5 to 10 mph SSW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Sumner, NE
Last spring frost
May 10
First fall frost
Oct 1
Growing season
145 days
Hardiness zone
5b
Explore more for Sumner, NE: full frost dates · planting calendar · Nebraska frost dates
Climate data from the nearest NOAA station, Oconto, Ne (17.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.