Nemaha, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Nemaha, a city in Sac County, Iowa.
Today
73°F
Patchy Fog then Mostly Cloudy
Patchy fog and a chance of showers and thunderstorms before noon. Mostly cloudy. High near 73, with temperatures falling to around 70 in the afternoon. North wind around 7 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Nemaha
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 73°F | Patchy Fog then Mostly Cloudy | 7 mph N | 30% |
| Tonight | 58°F | Slight Chance Rain Showers then Slight Chance Drizzle | 9 mph NNE | 18% |
| Sunday | 65°F | Chance Drizzle | 12 mph NE | 36% |
| Sunday Night | 54°F | Rain Showers Likely | 9 mph ENE | 62% |
| Monday | 60°F | Rain Showers Likely | 8 mph ENE | 62% |
| Monday Night | 49°F | Chance Rain Showers then Mostly Cloudy | 6 mph ENE | 44% |
| Tuesday | 61°F | Mostly Sunny | 5 mph ENE | 11% |
| Tuesday Night | 45°F | Partly Cloudy | 3 mph ESE | 1% |
| Wednesday | 65°F | Mostly Sunny | 3 mph SE | 2% |
| Wednesday Night | 50°F | Partly Cloudy then Slight Chance Rain Showers | 2 mph SE | 18% |
| Thursday | 67°F | Slight Chance Rain Showers | 3 mph SE | 18% |
| Thursday Night | 54°F | Mostly Cloudy | 2 mph SE | 13% |
| Friday | 69°F | Partly Sunny | 5 mph SE | 13% |
| Friday Night | 55°F | Mostly Cloudy | 3 mph SE | 13% |
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 Sep 19, 2026.