Plattsmouth, NE Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Plattsmouth, a city in Cass County, Nebraska.
Overnight
71°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy. Low around 71, with temperatures rising to around 74 overnight. South southeast wind around 7 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Plattsmouth
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 71°F | Chance Showers And Thunderstorms | 7 mph SSE | 49% |
| Saturday | 81°F | Chance Showers And Thunderstorms | 3 to 7 mph N | 29% |
| Saturday Night | 62°F | Chance Showers And Thunderstorms | 9 mph N | 50% |
| Sunday | 65°F | Chance Rain Showers | 9 mph NNE | 35% |
| Sunday Night | 57°F | Chance Rain Showers | 8 mph NE | 38% |
| Monday | 61°F | Rain Showers Likely | 9 mph NE | 56% |
| Monday Night | 53°F | Chance Rain Showers then Mostly Cloudy | 5 to 8 mph NE | 30% |
| Tuesday | 61°F | Partly Sunny | 7 mph ENE | 4% |
| Tuesday Night | 48°F | Partly Cloudy | 5 mph E | 2% |
| Wednesday | 64°F | Mostly Sunny | 5 mph ESE | 4% |
| Wednesday Night | 53°F | Mostly Cloudy then Slight Chance Rain Showers | 3 mph SE | 24% |
| Thursday | 65°F | Chance Rain Showers | 6 mph SE | 33% |
| Thursday Night | 57°F | Chance Rain Showers | 3 mph ESE | 28% |
| Friday | 66°F | Chance Showers And Thunderstorms | 3 to 7 mph SE | 28% |
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.