Luther, IA Weather & Growing Conditions
Today
79°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy. High near 79, with temperatures falling to around 76 in the afternoon. Northwest wind 6 to 12 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 79°F | Chance Showers And Thunderstorms | 6 to 12 mph NW | 42% |
| Tonight | 61°F | Showers And Thunderstorms | 5 to 10 mph NNE | 88% |
| Wednesday | 72°F | Chance Showers And Thunderstorms | 6 mph NE | 41% |
| Wednesday Night | 55°F | Partly Cloudy | 5 mph ENE | 13% |
| Thursday | 79°F | Sunny | 5 mph E | 1% |
| Thursday Night | 61°F | Mostly Clear | 5 mph SSE | 2% |
| Friday | 84°F | Sunny | 3 to 9 mph S | 8% |
| Friday Night | 66°F | Mostly Clear | 5 to 8 mph S | 13% |
| Saturday | 88°F | Sunny | 5 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 | 87°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 13 mph S | 30% |
| Monday Night | 71°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 13 mph ESE | 22% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Luther, IA
Last spring frost
Apr 23
First fall frost
Oct 14
Growing season
173 days
Hardiness zone
5a
Explore more for Luther, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Ames 8 Wsw, Ia (4.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.