Decatur, NE Weather & Growing Conditions
Today
72°F
Patchy Smoke
Patchy smoke and a chance of showers and thunderstorms before 2pm, then patchy smoke and showers and thunderstorms likely between 2pm and 4pm, then patchy smoke and a chance of showers and thunderstorms between 4pm and 5pm, then patchy smoke and a slight chance of showers and thunderstorms. Mostly cloudy. High near 72, with temperatures falling to around 70 in the afternoon. North wind 12 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 72°F | Patchy Smoke | 12 to 15 mph N | 74% |
| Tonight | 57°F | Patchy Smoke | 3 to 10 mph NNE | 44% |
| Wednesday | 73°F | Patchy Smoke | 6 mph NE | 20% |
| Wednesday Night | 54°F | Mostly Clear | 5 mph SE | 1% |
| Thursday | 79°F | Sunny | 2 to 9 mph SSE | 1% |
| Thursday Night | 62°F | Mostly Clear | 8 mph S | 2% |
| Friday | 84°F | Sunny | 6 to 12 mph S | 3% |
| Friday Night | 66°F | Mostly Clear | 5 to 10 mph S | 8% |
| Saturday | 89°F | Sunny | 5 to 17 mph S | 3% |
| Saturday Night | 70°F | Mostly Clear | 12 to 17 mph S | 12% |
| Sunday | 89°F | Mostly Sunny | 10 to 14 mph SSE | 10% |
| Sunday Night | 70°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 14 mph SSE | 16% |
| Monday | 89°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 12 to 16 mph SE | 16% |
| Monday Night | 70°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 10 to 17 mph E | 17% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Decatur, NE
Last spring frost
May 1
First fall frost
Oct 3
Growing season
154 days
Hardiness zone
5b
Explore more for Decatur, NE: full frost dates · planting calendar · Nebraska frost dates
Climate data from the nearest NOAA station, Onawa 3Nw, Ia (9.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.