Wall Lake, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Wall Lake, a city in Sac County, Iowa.
Overnight
66°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 4am, then showers and thunderstorms likely between 4am and 5am, then patchy fog and a chance of showers and thunderstorms. Cloudy. Low around 66, with temperatures rising to around 68 overnight. West wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Wall Lake
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 66°F | Chance Showers And Thunderstorms | 5 mph W | 55% |
| Saturday | 76°F | Patchy Fog then Mostly Cloudy | 7 mph NNW | 40% |
| Saturday Night | 59°F | Slight Chance Rain Showers | 9 mph NNE | 21% |
| Sunday | 66°F | Slight Chance Drizzle then Chance Rain Showers | 12 mph NE | 43% |
| Sunday Night | 54°F | Rain Showers Likely | 9 mph ENE | 57% |
| Monday | 61°F | Rain Showers Likely | 9 mph ENE | 59% |
| Monday Night | 49°F | Chance Rain Showers then Mostly Cloudy | 3 to 7 mph ENE | 46% |
| Tuesday | 62°F | Partly Sunny | 6 mph ENE | 12% |
| Tuesday Night | 45°F | Partly Cloudy | 3 mph ESE | 1% |
| Wednesday | 66°F | Mostly Sunny | 1 to 5 mph SE | 2% |
| Wednesday Night | 50°F | Partly Cloudy then Slight Chance Rain Showers | 2 mph SE | 20% |
| Thursday | 68°F | Slight Chance Rain Showers | 1 to 5 mph SE | 20% |
| Thursday Night | 54°F | Mostly Cloudy | 2 mph SE | 13% |
| Friday | 70°F | Mostly Cloudy | 1 to 6 mph SE | 13% |
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 Sep 19, 2026.