Sac City, IA Weather & Growing Conditions
Today
74°F
Patchy Fog then Mostly Cloudy
Patchy fog and a slight chance of rain showers before noon. Mostly cloudy. High near 74, with temperatures falling to around 71 in the afternoon. North northwest wind around 6 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 74°F | Patchy Fog then Mostly Cloudy | 6 mph NNW | 20% |
| Tonight | 58°F | Slight Chance Rain Showers then Slight Chance Drizzle | 9 mph NNE | 19% |
| Sunday | 66°F | Chance Drizzle | 8 to 12 mph NE | 38% |
| Sunday Night | 54°F | Rain Showers Likely | 8 mph ENE | 61% |
| Monday | 60°F | Rain Showers Likely | 8 mph ENE | 61% |
| Monday Night | 49°F | Chance Rain Showers then Mostly Cloudy | 6 mph ENE | 46% |
| Tuesday | 61°F | Partly Sunny | 5 mph ENE | 11% |
| Tuesday Night | 45°F | Mostly Clear | 2 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 | 17% |
| Thursday | 67°F | Slight Chance Rain Showers | 3 mph SE | 19% |
| Thursday Night | 54°F | Mostly Cloudy | 2 mph SE | 13% |
| Friday | 70°F | Partly Sunny | 1 to 5 mph SE | 13% |
| Friday Night | 55°F | Mostly Cloudy | 3 mph SE | 13% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Sac City, IA
Last spring frost
Apr 30
First fall frost
Oct 6
Growing season
158 days
Hardiness zone
5a
Explore more for Sac City, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Sac City, Ia (1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.