Plattsmouth, NE Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Plattsmouth, a city in Cass County, Nebraska.
Today
82°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 5pm, then showers and thunderstorms likely. Partly sunny, with a high near 82. North northeast wind 5 to 12 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Plattsmouth
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Chance Showers And Thunderstorms | 5 to 12 mph NNE | 71% |
| Tonight | 63°F | Chance Showers And Thunderstorms then Patchy Smoke | 7 to 12 mph NNE | 86% |
| Wednesday | 73°F | Showers And Thunderstorms | 8 mph NE | 79% |
| Wednesday Night | 59°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 1 to 6 mph ENE | 15% |
| Thursday | 81°F | Mostly Sunny | 1 to 5 mph E | 2% |
| Thursday Night | 65°F | Mostly Clear | 3 mph SSE | 10% |
| Friday | 86°F | Sunny | 7 mph S | 10% |
| Friday Night | 69°F | Mostly Clear | 6 mph SSE | 3% |
| Saturday | 90°F | Sunny | 3 to 13 mph S | 1% |
| Saturday Night | 73°F | Mostly Clear | 9 to 13 mph S | 7% |
| Sunday | 92°F | Mostly Sunny | 8 to 13 mph S | 7% |
| Sunday Night | 73°F | Partly Cloudy | 14 mph SSE | 12% |
| Monday | 93°F | Mostly Sunny | 10 to 15 mph S | 12% |
| Monday Night | 74°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 9 to 14 mph SSE | 19% |
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 Aug 4, 2026.