Luther, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Luther, a city in Boone County, Iowa.
Overnight
66°F
Mostly Cloudy
Mostly cloudy, with a low around 66. South wind around 6 mph.
7-day forecast for Luther
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 66°F | Mostly Cloudy | 6 mph S | 13% |
| Tuesday | 79°F | Chance Showers And Thunderstorms | 5 to 12 mph NW | 40% |
| Tuesday Night | 61°F | Showers And Thunderstorms | 5 to 10 mph NNE | 89% |
| Wednesday | 72°F | Chance Showers And Thunderstorms | 6 mph NE | 43% |
| Wednesday Night | 55°F | Partly Cloudy | 5 mph ENE | 14% |
| Thursday | 79°F | Sunny | 1 to 5 mph E | 1% |
| Thursday Night | 61°F | Mostly Clear | 3 mph SSE | 2% |
| Friday | 84°F | Sunny | 3 to 9 mph S | 7% |
| Friday Night | 66°F | Mostly Clear | 5 to 8 mph S | 13% |
| Saturday | 88°F | Sunny | 3 to 10 mph S | 13% |
| Saturday Night | 71°F | Mostly Clear then Slight Chance Showers And Thunderstorms | 12 mph S | 15% |
| Sunday | 88°F | Slight Chance Showers And Thunderstorms then Sunny | 12 mph S | 15% |
| Sunday Night | 70°F | Slight Chance Showers And Thunderstorms | 10 mph SSE | 30% |
| Monday | 88°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 13 mph S | 30% |
Forecast source: National Weather Service (api.weather.gov) for Luther (41.967, -93.818). Updated through the day.
Growing snapshot for Luther
Last spring frost
Apr 23
First fall frost
Oct 14
Growing season
173 days
Hardiness zone
5a
More local growing data for Luther: nearby ZIP 50152 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Ames 8 Wsw, Ia (4.2 mi from Luther). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.