Harman US

Grafton, NE Weather & Growing Conditions

Tonight
67°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. East wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Tonight 67°F Chance Showers And Thunderstorms 5 mph E 42%
Saturday 76°F Slight Chance Showers And Thunderstorms then Mostly Cloudy 5 to 10 mph N 24%
Saturday Night 61°F Chance Showers And Thunderstorms 10 mph NNE 28%
Sunday 64°F Chance Rain Showers 10 mph NNE 30%
Sunday Night 59°F Chance Rain Showers 5 to 10 mph NNE 26%
Monday 63°F Chance Rain Showers 5 to 10 mph NNE 26%
Monday Night 54°F Mostly Cloudy 5 to 10 mph NE 7%
Tuesday 61°F Mostly Cloudy 5 mph ENE 5%
Tuesday Night 53°F Mostly Cloudy 5 mph ESE 1%
Wednesday 64°F Partly Sunny 5 mph SE 10%
Wednesday Night 58°F Mostly Cloudy then Chance Showers And Thunderstorms 5 mph SSE 41%
Thursday 65°F Chance Showers And Thunderstorms 5 mph SSE 41%
Thursday Night 59°F Chance Rain Showers 5 mph SSE 30%
Friday 67°F Chance Rain Showers 5 mph SE 30%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Grafton, NE

Last spring frost
Apr 25
First fall frost
Oct 14
Growing season
170 days
Hardiness zone
6a

Explore more for Grafton, NE: full frost dates · planting calendar · Nebraska frost dates

Climate data from the nearest NOAA station, Fairmont, Ne (7.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.