Nemaha, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Nemaha, a city in Sac County, Iowa.
Today
75°F
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy. High near 75, with temperatures falling to around 71 in the afternoon. North wind 6 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Nemaha
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 75°F | Showers And Thunderstorms | 6 to 10 mph N | 92% |
| Tonight | 57°F | Chance Showers And Thunderstorms | 6 mph NNE | 48% |
| Wednesday | 74°F | Partly Sunny | 5 mph NE | 5% |
| Wednesday Night | 53°F | Mostly Clear | 2 mph SE | 2% |
| Thursday | 81°F | Sunny | 1 to 6 mph S | 2% |
| Thursday Night | 61°F | Mostly Clear | 6 mph SSE | 4% |
| Friday | 85°F | Sunny | 5 to 9 mph SSW | 6% |
| Friday Night | 65°F | Mostly Clear | 5 to 8 mph S | 14% |
| Saturday | 89°F | Sunny | 3 to 14 mph S | 10% |
| Saturday Night | 68°F | Slight Chance Showers And Thunderstorms | 9 to 14 mph SE | 20% |
| Sunday | 89°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 12 mph SSE | 20% |
| Sunday Night | 68°F | Chance Showers And Thunderstorms | 10 mph SE | 27% |
| Monday | 88°F | Chance Showers And Thunderstorms then Mostly Sunny | 10 to 14 mph SE | 27% |
| Monday Night | 68°F | Chance Showers And Thunderstorms | 10 to 15 mph ENE | 30% |
Forecast source: National Weather Service (api.weather.gov) for Nemaha (42.515, -95.089). Updated through the day.
Growing snapshot for Nemaha
Last spring frost
Apr 30
First fall frost
Oct 6
Growing season
158 days
Hardiness zone
5a
More local growing data for Nemaha: nearby ZIP 50567 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Sac City, Ia (9 mi from Nemaha). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.