Lester, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lester, a city in Lyon County, Iowa.
This Afternoon
53°F
Rain Showers
Rain showers. Cloudy. High near 53, with temperatures falling to around 47 in the afternoon. North northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Lester
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 53°F | Rain Showers | 15 mph NNW | 100% |
| Tonight | 39°F | Rain Showers | 15 mph NNW | 99% |
| Wednesday | 46°F | Rain Showers | 15 mph NW | 89% |
| Wednesday Night | 37°F | Rain Showers Likely | 10 to 15 mph NW | 62% |
| Thursday | 47°F | Partly Sunny | 10 mph NNW | 14% |
| Thursday Night | 32°F | Mostly Cloudy | 0 to 10 mph N | 0% |
| Friday | 47°F | Partly Sunny | 0 mph | 0% |
| Friday Night | 30°F | Mostly Cloudy | 0 mph | 1% |
| Saturday | 55°F | Mostly Sunny | 0 to 5 mph WSW | 2% |
| Saturday Night | 34°F | Mostly Clear | 5 mph WNW | 5% |
| Sunday | 58°F | Sunny | 5 mph WSW | 3% |
| Sunday Night | 37°F | Mostly Clear | 5 mph S | 1% |
| Monday | 60°F | Sunny | 5 to 10 mph WSW | 0% |
| Monday Night | 37°F | Mostly Clear | 0 to 5 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Lester (43.440, -96.331). Updated through the day.
Growing snapshot for Lester
Last spring frost
May 1
First fall frost
Oct 4
Growing season
156 days
Hardiness zone
5a
More local growing data for Lester: nearby ZIP 51242 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Rock Rapids, Ia (8.5 mi from Lester). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.