Plattsmouth, NE Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Plattsmouth, a city in Cass County, Nebraska.
This Afternoon
59°F
Rain Showers
Rain showers. Cloudy. High near 59, with temperatures falling to around 54 in the afternoon. North northwest wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Plattsmouth
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 59°F | Rain Showers | 20 mph NNW | 85% |
| Tonight | 44°F | Chance Rain Showers then Cloudy | 13 to 18 mph NW | 48% |
| Wednesday | 52°F | Mostly Cloudy | 10 to 14 mph WNW | 10% |
| Wednesday Night | 42°F | Mostly Cloudy then Slight Chance Rain Showers | 9 mph WNW | 19% |
| Thursday | 52°F | Chance Rain Showers | 10 mph NW | 32% |
| Thursday Night | 39°F | Mostly Cloudy | 7 mph NNW | 4% |
| Friday | 53°F | Partly Sunny | 1 to 5 mph N | 3% |
| Friday Night | 36°F | Mostly Cloudy | 2 mph E | 0% |
| Saturday | 59°F | Mostly Sunny | 5 mph WSW | 3% |
| Saturday Night | 39°F | Mostly Clear | 3 mph W | 5% |
| Sunday | 63°F | Sunny | 5 mph WSW | 2% |
| Sunday Night | 42°F | Mostly Clear | 6 mph SSW | 0% |
| Monday | 67°F | Sunny | 6 to 9 mph SW | 0% |
| Monday Night | 43°F | Mostly Clear | 5 mph NW | 0% |
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 Nov 3, 2026.