Nemaha, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Nemaha, a city in Sac County, Iowa.
Tonight
41°F
Rain Showers
Rain showers. Cloudy. Low around 41, with temperatures rising to around 44 overnight. Northwest wind 12 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Nemaha
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 41°F | Rain Showers | 12 to 21 mph NW | 87% |
| Wednesday | 48°F | Rain Showers Likely | 12 to 15 mph WNW | 61% |
| Wednesday Night | 39°F | Rain Showers Likely | 12 mph WNW | 69% |
| Thursday | 50°F | Chance Rain Showers | 10 mph NNW | 54% |
| Thursday Night | 35°F | Mostly Cloudy | 3 to 7 mph N | 3% |
| Friday | 50°F | Partly Sunny | 0 to 3 mph NNE | 0% |
| Friday Night | 32°F | Mostly Cloudy | 1 mph NNW | 0% |
| Saturday | 55°F | Mostly Sunny | 3 mph WSW | 2% |
| Saturday Night | 36°F | Mostly Clear | 3 mph W | 4% |
| Sunday | 60°F | Sunny | 5 mph WSW | 5% |
| Sunday Night | 39°F | Mostly Clear | 6 mph SSW | 1% |
| Monday | 63°F | Sunny | 5 to 8 mph WSW | 0% |
| Monday Night | 40°F | Mostly Clear | 5 mph NW | 0% |
| Tuesday | 60°F | Mostly Sunny | 3 mph W | 1% |
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 Nov 4, 2026.