Merna, NE Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Merna, a village in Custer County, Nebraska.
This Afternoon
84°F
Mostly Sunny
Mostly sunny, with a high near 84. North wind around 5 mph.
7-day forecast for Merna
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 84°F | Mostly Sunny | 5 mph N | 2% |
| Tonight | 61°F | Chance Showers And Thunderstorms | 5 to 10 mph NNE | 53% |
| Saturday | 70°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NNE | 15% |
| Saturday Night | 56°F | Mostly Cloudy then Chance Rain Showers | 5 to 10 mph NE | 25% |
| Sunday | 63°F | Chance Rain Showers | 5 to 10 mph NE | 43% |
| Sunday Night | 53°F | Rain Showers Likely | 5 to 10 mph NE | 72% |
| Monday | 63°F | Chance Rain Showers | 5 to 10 mph NNE | 49% |
| Monday Night | 49°F | Chance Showers And Thunderstorms | 5 to 10 mph ENE | 26% |
| Tuesday | 64°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph SE | 16% |
| Tuesday Night | 52°F | Mostly Cloudy then Slight Chance Rain Showers | 10 mph SE | 21% |
| Wednesday | 67°F | Chance Rain Showers | 10 to 15 mph SSE | 31% |
| Wednesday Night | 55°F | Chance Rain Showers | 10 to 15 mph SSE | 40% |
| Thursday | 70°F | Chance Rain Showers | 5 to 10 mph SSE | 40% |
| Thursday Night | 55°F | Chance Rain Showers | 5 to 10 mph SE | 25% |
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
Nearby towns & communities
Anselmo
Ansley
Arnold
Berwyn
Broken Bow
Callaway
Comstock
Mason City
Oconto
Sargent
Taylor
Westerville
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 Sep 19, 2026.