Union, NE Weather & Growing Conditions
Today
82°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms between 7am and 3pm, then a slight chance of showers and thunderstorms between 3pm and 4pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 82. North northeast wind 2 to 12 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Chance Showers And Thunderstorms | 2 to 12 mph NNE | 35% |
| Tonight | 63°F | Chance Showers And Thunderstorms | 7 to 12 mph NNE | 85% |
| Wednesday | 73°F | Showers And Thunderstorms | 8 mph NE | 77% |
| Wednesday Night | 59°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 1 to 7 mph NE | 17% |
| Thursday | 81°F | Mostly Sunny | 3 mph ENE | 3% |
| Thursday Night | 64°F | Mostly Clear then Slight Chance Showers And Thunderstorms | 3 mph SSE | 18% |
| Friday | 86°F | Slight Chance Showers And Thunderstorms then Sunny | 3 to 7 mph S | 18% |
| Friday Night | 69°F | Mostly Clear | 6 mph SSE | 4% |
| Saturday | 90°F | Sunny | 3 to 13 mph S | 1% |
| Saturday Night | 73°F | Mostly Clear | 12 mph S | 7% |
| Sunday | 92°F | Mostly Sunny | 8 to 13 mph S | 7% |
| Sunday Night | 73°F | Partly Cloudy | 13 mph SSE | 9% |
| Monday | 93°F | Mostly Sunny | 10 to 16 mph S | 9% |
| Monday Night | 74°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 9 to 14 mph SSE | 16% |
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 Aug 4, 2026.