Luther, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Luther, a city in Boone County, Iowa.
Today
51°F
Slight Chance Rain Showers then Cloudy
A slight chance of rain showers before 8am. Cloudy. High near 51, with temperatures falling to around 48 in the afternoon. West wind 12 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
7-day forecast for Luther
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 51°F | Slight Chance Rain Showers then Cloudy | 12 to 16 mph W | 16% |
| Tonight | 43°F | Cloudy then Chance Rain Showers | 13 mph W | 26% |
| Thursday | 53°F | Rain Showers Likely then Mostly Cloudy | 13 mph NW | 56% |
| Thursday Night | 38°F | Mostly Cloudy | 6 to 10 mph N | 6% |
| Friday | 50°F | Mostly Sunny | 3 to 7 mph N | 5% |
| Friday Night | 30°F | Partly Cloudy | 2 mph NNE | 1% |
| Saturday | 53°F | Mostly Sunny | 1 to 5 mph SW | 0% |
| Saturday Night | 35°F | Mostly Clear | 5 mph W | 1% |
| Sunday | 59°F | Sunny | 6 mph W | 1% |
| Sunday Night | 37°F | Clear | 5 mph SW | 0% |
| Monday | 65°F | Sunny | 5 to 9 mph SW | 0% |
| Monday Night | 40°F | Mostly Clear | 6 mph WNW | 0% |
| Tuesday | 63°F | Sunny | 5 mph NNW | 0% |
| Tuesday Night | 42°F | Partly Cloudy | 3 mph E | 1% |
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 Nov 4, 2026.