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Grafton, NE Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Grafton, a village in Fillmore County, Nebraska.

Tonight
60°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. North northeast wind around 10 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Grafton

WhenTempForecastWindPrecip
Tonight 60°F Chance Showers And Thunderstorms 10 mph NNE 41%
Sunday 64°F Chance Rain Showers 10 mph NNE 28%
Sunday Night 57°F Mostly Cloudy 5 to 10 mph NNE 13%
Monday 63°F Slight Chance Rain Showers 5 to 10 mph N 17%
Monday Night 51°F Mostly Cloudy 5 to 10 mph NE 9%
Tuesday 60°F Mostly Cloudy 5 mph ENE 5%
Tuesday Night 51°F Mostly Cloudy 5 mph ESE 2%
Wednesday 63°F Partly Sunny 5 to 10 mph SE 11%
Wednesday Night 57°F Chance Showers And Thunderstorms 5 to 10 mph SE 49%
Thursday 67°F Chance Showers And Thunderstorms 5 to 10 mph SSE 49%
Thursday Night 59°F Slight Chance Rain Showers 5 mph SE 18%
Friday 68°F Slight Chance Rain Showers 5 mph SE 22%
Friday Night 62°F Mostly Cloudy then Chance Rain Showers 5 to 10 mph SE 29%
Saturday 69°F Chance Rain Showers 10 mph SSE 41%

Forecast source: National Weather Service (api.weather.gov) for Grafton (40.630, -97.715). Updated through the day.

Growing snapshot for Grafton

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

More local growing data for Grafton: nearby ZIP 68365 weather · frost dates · planting calendar · Nebraska frost dates

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Climate data from the nearest NOAA station, Fairmont, Ne (7.6 mi from Grafton). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.