Decatur, NE Weather & Growing Conditions
This Afternoon
55°F
Rain Showers
Rain showers. Cloudy. High near 55, with temperatures falling to around 50 in the afternoon. North northwest wind around 21 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 55°F | Rain Showers | 21 mph NNW | 95% |
| Tonight | 40°F | Rain Showers | 16 to 20 mph NW | 83% |
| Wednesday | 49°F | Chance Rain Showers then Mostly Cloudy | 13 to 17 mph WNW | 27% |
| Wednesday Night | 38°F | Mostly Cloudy then Chance Rain Showers | 13 mph WNW | 39% |
| Thursday | 49°F | Chance Rain Showers | 10 to 14 mph NNW | 31% |
| Thursday Night | 34°F | Mostly Cloudy | 5 to 9 mph NNW | 1% |
| Friday | 50°F | Partly Sunny | 1 to 5 mph N | 0% |
| Friday Night | 32°F | Mostly Cloudy | 2 mph SSE | 0% |
| Saturday | 58°F | Mostly Sunny | 2 to 6 mph WSW | 3% |
| Saturday Night | 36°F | Mostly Clear | 5 mph W | 6% |
| Sunday | 61°F | Sunny | 6 mph WSW | 2% |
| Sunday Night | 39°F | Mostly Clear | 7 mph SSW | 0% |
| Monday | 63°F | Sunny | 7 to 10 mph WSW | 0% |
| Monday Night | 39°F | Mostly Clear | 6 mph NW | 0% |
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 Nov 3, 2026.