Lamont, IA Weather & Growing Conditions
Overnight
49°F
Chance Rain Showers
A chance of rain showers after 2am. Mostly cloudy. Low around 49, with temperatures rising to around 53 overnight. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 49°F | Chance Rain Showers | 10 mph SW | 27% |
| Wednesday | 52°F | Chance Rain Showers | 10 to 15 mph W | 51% |
| Wednesday Night | 43°F | Rain Showers Likely | 15 mph W | 55% |
| Thursday | 51°F | Chance Rain Showers | 10 to 15 mph NW | 46% |
| Thursday Night | 37°F | Mostly Cloudy | 10 mph N | 11% |
| Friday | 46°F | Mostly Sunny | 5 to 10 mph N | 1% |
| Friday Night | 28°F | Mostly Clear | 0 to 5 mph N | 0% |
| Saturday | 49°F | Sunny | 0 to 5 mph W | 1% |
| Saturday Night | 33°F | Mostly Clear | 5 mph W | 1% |
| Sunday | 54°F | Sunny | 5 to 10 mph W | 3% |
| Sunday Night | 35°F | Mostly Clear | 5 mph SW | 0% |
| Monday | 59°F | Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 39°F | Mostly Clear | 5 mph W | 0% |
| Tuesday | 58°F | Sunny | 5 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Lamont, IA
Last spring frost
May 4
First fall frost
Oct 1
Growing season
150 days
Hardiness zone
5a
Explore more for Lamont, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Stanley, Ia (10.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.