Plattsmouth, NE Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Plattsmouth, a city in Cass County, Nebraska.
Tonight
69°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 11pm. Mostly cloudy. Low around 69, with temperatures rising to around 72 overnight. South southeast wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Plattsmouth
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 69°F | Chance Showers And Thunderstorms | 6 to 10 mph SSE | 41% |
| Saturday | 79°F | Chance Showers And Thunderstorms | 7 mph N | 36% |
| Saturday Night | 63°F | Chance Showers And Thunderstorms | 8 mph N | 39% |
| Sunday | 66°F | Chance Rain Showers | 9 mph NNE | 38% |
| Sunday Night | 58°F | Chance Rain Showers | 8 mph NE | 41% |
| Monday | 61°F | Chance Rain Showers | 9 mph NE | 51% |
| Monday Night | 55°F | Chance Rain Showers then Mostly Cloudy | 5 to 8 mph NE | 51% |
| Tuesday | 61°F | Mostly Cloudy | 6 mph NE | 9% |
| Tuesday Night | 51°F | Partly Cloudy | 5 mph E | 3% |
| Wednesday | 64°F | Mostly Sunny | 3 mph ESE | 5% |
| Wednesday Night | 55°F | Mostly Cloudy | 3 mph SE | 13% |
| Thursday | 66°F | Chance Rain Showers | 5 mph SE | 31% |
| Thursday Night | 58°F | Slight Chance Rain Showers | 3 mph SE | 20% |
| Friday | 67°F | Slight Chance Rain Showers | 2 to 6 mph SE | 20% |
Forecast source: National Weather Service (api.weather.gov) for Plattsmouth (41.005, -95.893). Updated through the day.
Growing snapshot for Plattsmouth
Last spring frost
Apr 17
First fall frost
Oct 19
Growing season
183 days
Hardiness zone
6a
More local growing data for Plattsmouth: nearby ZIP 68048 weather · frost dates · planting calendar · Nebraska frost dates
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Climate data from the nearest NOAA station, Springfield 7E, Ne (6.4 mi from Plattsmouth). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.