Salem, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Salem, a city in Henry County, Iowa.
Today
53°F
Slight Chance Rain Showers then Cloudy
A slight chance of rain showers between 8am and 9am. Cloudy, with a high near 53. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
7-day forecast for Salem
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 53°F | Slight Chance Rain Showers then Cloudy | 10 to 15 mph W | 16% |
| Tonight | 44°F | Mostly Cloudy | 10 mph W | 6% |
| Thursday | 55°F | Rain Showers Likely | 5 to 10 mph W | 56% |
| Thursday Night | 42°F | Slight Chance Rain Showers then Mostly Cloudy | 5 mph NW | 19% |
| Friday | 50°F | Partly Sunny | 5 to 10 mph N | 4% |
| Friday Night | 31°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Saturday | 52°F | Mostly Sunny | 0 to 5 mph NW | 0% |
| Saturday Night | 34°F | Mostly Clear | 0 mph | 1% |
| Sunday | 58°F | Sunny | 0 to 5 mph W | 1% |
| Sunday Night | 35°F | Clear | 0 mph | 0% |
| Monday | 64°F | Sunny | 0 to 5 mph SW | 0% |
| Monday Night | 40°F | Clear | 0 to 5 mph W | 0% |
| Tuesday | 64°F | Sunny | 0 to 5 mph NW | 0% |
| Tuesday Night | 41°F | Partly Cloudy | 0 mph | 1% |
Forecast source: National Weather Service (api.weather.gov) for Salem (40.852, -91.621). Updated through the day.
Growing snapshot for Salem
Last spring frost
Apr 30
First fall frost
Oct 10
Growing season
163 days
Hardiness zone
6a
More local growing data for Salem: nearby ZIP 52649 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Coppock
Lowell
Mount Pleasant
Mount Union
New London
Olds
Swedesburg
Trenton
Wayland
Westwood
Winfield
Climate data from the nearest NOAA station, Mt Pleasant 1 Ssw, Ia (8 mi from Salem). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.