Harman US

Sumner, NE Weather & Growing Conditions

This Afternoon
47°F
Partly Sunny
Partly sunny, with a high near 47. North northwest wind 20 to 25 mph, with gusts as high as 40 mph.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 47°F Partly Sunny 20 to 25 mph NNW 4%
Tonight 31°F Mostly Cloudy 15 mph NNW 1%
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%

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.