Nemaha, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Nemaha, a city in Sac County, Iowa.
This Afternoon
57°F
Rain Showers Likely
Rain showers likely. Cloudy. High near 57, with temperatures falling to around 52 in the afternoon. North northwest wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Nemaha
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 57°F | Rain Showers Likely | 14 mph NNW | 65% |
| Tonight | 41°F | Rain Showers | 13 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% |
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.