Wall Lake, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Wall Lake, a city in Sac County, Iowa.
Today
76°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Mostly cloudy. High near 76, with temperatures falling to around 73 in the afternoon. North northwest wind 6 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Wall Lake
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 76°F | Showers And Thunderstorms Likely | 6 to 10 mph NNW | 62% |
| Tonight | 58°F | Chance Showers And Thunderstorms | 1 to 7 mph NNE | 51% |
| Wednesday | 74°F | Partly Sunny then Slight Chance Rain Showers | 1 to 5 mph NE | 17% |
| Wednesday Night | 53°F | Mostly Clear | 2 mph SE | 2% |
| Thursday | 82°F | Sunny | 0 to 6 mph SSE | 1% |
| Thursday Night | 61°F | Mostly Clear | 5 mph SSE | 2% |
| Friday | 86°F | Sunny | 3 to 9 mph SSW | 5% |
| Friday Night | 66°F | Mostly Clear | 5 to 8 mph S | 12% |
| Saturday | 91°F | Sunny | 3 to 14 mph S | 7% |
| Saturday Night | 69°F | Slight Chance Showers And Thunderstorms | 9 to 14 mph S | 17% |
| Sunday | 90°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 12 mph SSE | 17% |
| Sunday Night | 69°F | Chance Showers And Thunderstorms | 12 mph SSE | 27% |
| Monday | 90°F | Chance Showers And Thunderstorms then Mostly Sunny | 10 to 14 mph SE | 27% |
| Monday Night | 69°F | Partly Cloudy then Chance Showers And Thunderstorms | 9 to 15 mph E | 25% |
Forecast source: National Weather Service (api.weather.gov) for Wall Lake (42.267, -95.093). Updated through the day.
Growing snapshot for Wall Lake
Last spring frost
Apr 30
First fall frost
Oct 6
Growing season
158 days
Hardiness zone
5a
More local growing data for Wall Lake: nearby ZIP 51466 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Sac City, Ia (13.5 mi from Wall Lake). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.