Union, NE Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Union, a village in Cass County, Nebraska.
This Afternoon
95°F
Sunny
Sunny. High near 95, with temperatures falling to around 93 in the afternoon. South wind around 13 mph, with gusts as high as 22 mph.
7-day forecast for Union
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 95°F | Sunny | 13 mph S | 1% |
| Tonight | 69°F | Partly Cloudy then Chance Showers And Thunderstorms | 5 to 12 mph SSE | 38% |
| Saturday | 82°F | Chance Showers And Thunderstorms | 7 mph N | 31% |
| Saturday Night | 63°F | Chance Showers And Thunderstorms | 7 mph N | 43% |
| Sunday | 68°F | Chance Rain Showers | 9 mph NNE | 45% |
| Sunday Night | 59°F | Chance Rain Showers | 7 mph NE | 45% |
| Monday | 62°F | Chance Rain Showers | 8 mph NE | 47% |
| Monday Night | 54°F | Chance Rain Showers then Mostly Cloudy | 3 to 7 mph NE | 45% |
| Tuesday | 62°F | Mostly Cloudy | 6 mph NE | 9% |
| Tuesday Night | 51°F | Partly Cloudy | 5 mph E | 3% |
| Wednesday | 66°F | Partly Sunny | 3 mph ESE | 4% |
| Wednesday Night | 55°F | Mostly Cloudy | 2 mph SE | 13% |
| Thursday | 66°F | Chance Rain Showers | 5 mph SE | 33% |
| Thursday Night | 58°F | Slight Chance Rain Showers | 3 mph SE | 19% |
Forecast source: National Weather Service (api.weather.gov) for Union (40.814, -95.922). Updated through the day.
Growing snapshot for Union
Last spring frost
Apr 18
First fall frost
Oct 19
Growing season
182 days
Hardiness zone
5b
More local growing data for Union: nearby ZIP 68455 weather · frost dates · planting calendar · Nebraska frost dates
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Lake Waconda
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Murdock
Murray
Nehawka
Plattsmouth
South Bend
Weeping Water
Woodland Hills
Climate data from the nearest NOAA station, Nebraska City 2Nw, Ne (8.4 mi from Union). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.