Sac City, IA Weather & Growing Conditions
Today
75°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Mostly cloudy. High near 75, with temperatures falling to around 72 in the afternoon. North wind 6 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 75°F | Showers And Thunderstorms Likely | 6 to 10 mph N | 58% |
| Tonight | 57°F | Chance Showers And Thunderstorms | 2 to 7 mph NNE | 50% |
| Wednesday | 74°F | Partly Sunny | 1 to 5 mph NE | 7% |
| Wednesday Night | 53°F | Mostly Clear | 1 mph SE | 2% |
| Thursday | 81°F | Sunny | 1 to 5 mph S | 1% |
| Thursday Night | 61°F | Mostly Clear | 5 mph SSE | 4% |
| Friday | 86°F | Sunny | 3 to 8 mph SSW | 6% |
| Friday Night | 65°F | Mostly Clear | 7 mph S | 13% |
| Saturday | 90°F | Sunny | 3 to 13 mph S | 10% |
| Saturday Night | 69°F | Slight Chance Showers And Thunderstorms | 8 to 13 mph SSE | 19% |
| Sunday | 89°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 10 mph SSE | 19% |
| Sunday Night | 68°F | Chance Showers And Thunderstorms | 7 to 10 mph SSE | 28% |
| Monday | 89°F | Chance Showers And Thunderstorms then Mostly Sunny | 9 to 14 mph SE | 28% |
| Monday Night | 68°F | Chance Showers And Thunderstorms | 9 to 14 mph ENE | 31% |
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 Aug 4, 2026.