Lenox, IA Weather & Growing Conditions
Tonight
69°F
Mostly Cloudy then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 1am. Mostly cloudy. Low around 69, with temperatures rising to around 71 overnight. South wind around 10 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 |
|---|---|---|---|---|
| Tonight | 69°F | Mostly Cloudy then Chance Showers And Thunderstorms | 10 mph S | 43% |
| Saturday | 82°F | Chance Showers And Thunderstorms | 10 mph SW | 39% |
| Saturday Night | 62°F | Chance Showers And Thunderstorms | 8 mph N | 49% |
| Sunday | 67°F | Chance Showers And Thunderstorms | 8 to 12 mph NNE | 53% |
| Sunday Night | 57°F | Chance Showers And Thunderstorms | 12 mph NE | 53% |
| Monday | 60°F | Chance Showers And Thunderstorms | 12 mph NE | 54% |
| Monday Night | 52°F | Chance Showers And Thunderstorms | 9 mph NE | 54% |
| Tuesday | 59°F | Mostly Cloudy | 9 mph NE | 9% |
| Tuesday Night | 47°F | Mostly Cloudy | 3 to 7 mph ENE | 4% |
| Wednesday | 63°F | Mostly Sunny | 5 mph E | 2% |
| Wednesday Night | 51°F | Mostly Cloudy | 3 mph ESE | 5% |
| Thursday | 64°F | Slight Chance Rain Showers | 3 mph SE | 21% |
| Thursday Night | 54°F | Slight Chance Rain Showers | 3 mph ESE | 18% |
| Friday | 66°F | Slight Chance Rain Showers | 6 mph ESE | 18% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Lenox, IA
Last spring frost
Apr 28
First fall frost
Oct 11
Growing season
164 days
Hardiness zone
5b
Explore more for Lenox, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Creston 2 Sw, Ia (11.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.