Harman US

Sumner, NE Weather & Growing Conditions

This Afternoon
89°F
Sunny
Sunny, with a high near 89. North northwest wind around 5 mph.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 89°F Sunny 5 mph NNW 1%
Tonight 62°F Chance Showers And Thunderstorms 5 to 10 mph N 66%
Saturday 71°F Slight Chance Showers And Thunderstorms then Mostly Cloudy 5 to 10 mph NNE 24%
Saturday Night 57°F Mostly Cloudy then Chance Showers And Thunderstorms 10 mph NNE 31%
Sunday 63°F Chance Showers And Thunderstorms 10 mph NE 25%
Sunday Night 54°F Chance Rain Showers 5 to 10 mph NE 41%
Monday 63°F Chance Rain Showers then Slight Chance Showers And Thunderstorms 5 to 10 mph NNE 35%
Monday Night 50°F Slight Chance Showers And Thunderstorms then Mostly Cloudy 5 to 10 mph ENE 22%
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 21%
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 67°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). 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 Sep 19, 2026.