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Merna, NE Weather & Growing Conditions

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

Tonight
30°F
Mostly Cloudy
Mostly cloudy, with a low around 30. Northwest wind 10 to 20 mph, with gusts as high as 30 mph.

7-day forecast for Merna

WhenTempForecastWindPrecip
Tonight 30°F Mostly Cloudy 10 to 20 mph NW 0%
Wednesday 49°F Sunny 10 to 15 mph NW 0%
Wednesday Night 33°F Mostly Cloudy 10 to 15 mph NNW 14%
Thursday 50°F Partly Sunny 5 to 15 mph NNW 4%
Thursday Night 27°F Mostly Clear 0 to 5 mph NNW 0%
Friday 53°F Mostly Sunny 0 to 5 mph SW 0%
Friday Night 31°F Partly Cloudy 5 mph SW 0%
Saturday 60°F Sunny 5 to 10 mph WNW 3%
Saturday Night 33°F Mostly Clear 5 mph WNW 1%
Sunday 62°F Sunny 5 to 10 mph WSW 0%
Sunday Night 39°F Clear 5 to 10 mph SW 0%
Monday 62°F Sunny 5 to 15 mph NW 0%
Monday Night 36°F Partly Cloudy 5 mph NW 0%
Tuesday 60°F Mostly Sunny 5 to 10 mph SSW 0%

Forecast source: National Weather Service (api.weather.gov) for Merna (41.485, -99.761). Updated through the day.

Growing snapshot for Merna

Last spring frost
May 10
First fall frost
Oct 1
Growing season
143 days
Hardiness zone
5a

More local growing data for Merna: nearby ZIP 68856 weather · frost dates · planting calendar · Nebraska frost dates

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Climate data from the nearest NOAA station, Anselmo 2 Wsw, Ne (8.7 mi from Merna). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.