Union, NE Weather & Growing Conditions
Today
83°F
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 9am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 83. Northwest wind around 7 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 7 mph NW | 28% |
| Tonight | 63°F | Chance Showers And Thunderstorms | 8 mph N | 57% |
| Sunday | 67°F | Chance Rain Showers | 9 mph NNE | 36% |
| Sunday Night | 57°F | Chance Rain Showers | 8 mph NE | 39% |
| Monday | 61°F | Chance Rain Showers | 8 mph NE | 53% |
| Monday Night | 53°F | Chance Rain Showers then Mostly Cloudy | 3 to 7 mph NE | 26% |
| Tuesday | 61°F | Partly Sunny | 7 mph ENE | 4% |
| Tuesday Night | 48°F | Partly Cloudy | 5 mph E | 1% |
| Wednesday | 64°F | Mostly Sunny | 5 mph ESE | 4% |
| Wednesday Night | 53°F | Mostly Cloudy then Slight Chance Rain Showers | 2 mph SE | 24% |
| Thursday | 66°F | Chance Rain Showers | 5 mph SE | 33% |
| Thursday Night | 57°F | Chance Showers And Thunderstorms | 3 mph ESE | 29% |
| Friday | 67°F | Chance Showers And Thunderstorms | 6 mph SE | 29% |
| Friday Night | 58°F | Mostly Cloudy then Slight Chance Rain Showers | 5 mph SE | 17% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Union, NE
Last spring frost
Apr 18
First fall frost
Oct 19
Growing season
182 days
Hardiness zone
5b
Explore more for Union, NE: full frost dates · planting calendar · Nebraska frost dates
Climate data from the nearest NOAA station, Nebraska City 2Nw, Ne (8.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.