Lenox, IA Weather & Growing Conditions
Tonight
43°F
Rain Showers Likely then Cloudy
Rain showers likely before 9pm. Cloudy. Low around 43, with temperatures rising to around 45 overnight. Northwest wind 13 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 43°F | Rain Showers Likely then Cloudy | 13 to 17 mph NW | 65% |
| Wednesday | 52°F | Slight Chance Rain Showers | 14 to 17 mph W | 16% |
| Wednesday Night | 40°F | Mostly Cloudy | 12 mph W | 9% |
| Thursday | 52°F | Chance Rain Showers | 12 mph NW | 38% |
| Thursday Night | 39°F | Mostly Cloudy | 8 mph NNW | 10% |
| Friday | 53°F | Partly Sunny | 2 to 7 mph N | 6% |
| Friday Night | 34°F | Mostly Cloudy | 2 mph NE | 0% |
| Saturday | 57°F | Mostly Sunny | 1 to 5 mph WSW | 2% |
| Saturday Night | 37°F | Mostly Clear | 5 mph W | 5% |
| Sunday | 62°F | Sunny | 6 mph W | 4% |
| Sunday Night | 40°F | Mostly Clear | 7 mph SW | 0% |
| Monday | 66°F | Sunny | 7 to 13 mph SW | 0% |
| Monday Night | 42°F | Mostly Clear | 6 mph WNW | 0% |
| Tuesday | 65°F | Mostly Sunny | 6 mph ENE | 0% |
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 Nov 4, 2026.