Gretna, NE Weather & Growing Conditions
This Afternoon
57°F
Rain Showers Likely
Rain showers likely. Cloudy. High near 57, with temperatures falling to around 51 in the afternoon. North northwest wind around 17 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 57°F | Rain Showers Likely | 17 mph NNW | 68% |
| Tonight | 43°F | Rain Showers Likely then Cloudy | 10 to 16 mph NW | 62% |
| Wednesday | 52°F | Mostly Cloudy | 8 to 13 mph WNW | 10% |
| Wednesday Night | 41°F | Mostly Cloudy then Slight Chance Rain Showers | 8 mph WNW | 18% |
| Thursday | 51°F | Chance Rain Showers | 9 mph NW | 32% |
| Thursday Night | 38°F | Mostly Cloudy | 6 mph NNW | 3% |
| Friday | 52°F | Partly Sunny | 0 to 3 mph N | 0% |
| Friday Night | 36°F | Mostly Cloudy | 1 mph SSW | 0% |
| Saturday | 59°F | Mostly Sunny | 3 mph WSW | 3% |
| Saturday Night | 39°F | Mostly Clear | 3 mph W | 6% |
| Sunday | 63°F | Sunny | 3 mph WSW | 1% |
| Sunday Night | 42°F | Mostly Clear | 5 mph SSW | 0% |
| Monday | 66°F | Sunny | 5 to 8 mph WSW | 0% |
| Monday Night | 43°F | Mostly Clear | 3 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Gretna, NE
Last spring frost
Apr 21
First fall frost
Oct 18
Growing season
179 days
Hardiness zone
6a
Explore more for Gretna, NE: full frost dates · planting calendar · Nebraska frost dates
Climate data from the nearest NOAA station, Gretna 4Ne, Ne (0.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.