Salem, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Salem, a city in Henry County, Iowa.
This Afternoon
54°F
Slight Chance Drizzle
A slight chance of drizzle. Cloudy. High near 54, with temperatures falling to around 52 in the afternoon. West wind 10 to 15 mph, with gusts as high as 25 mph.
7-day forecast for Salem
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 54°F | Slight Chance Drizzle | 10 to 15 mph W | 10% |
| Tonight | 46°F | Slight Chance Drizzle | 10 mph SW | 13% |
| Thursday | 52°F | Chance Rain Showers | 5 to 10 mph W | 33% |
| Thursday Night | 40°F | Slight Chance Rain Showers then Mostly Cloudy | 5 mph N | 18% |
| Friday | 48°F | Mostly Sunny | 5 to 10 mph N | 2% |
| Friday Night | 29°F | Partly Cloudy | 0 mph | 0% |
| Saturday | 51°F | Mostly Sunny | 0 mph | 0% |
| Saturday Night | 32°F | Mostly Clear | 0 mph | 0% |
| Sunday | 59°F | Sunny | 0 to 5 mph W | 0% |
| Sunday Night | 35°F | Clear | 0 mph | 0% |
| Monday | 65°F | Sunny | 0 to 10 mph SW | 0% |
| Monday Night | 40°F | Clear | 0 to 5 mph W | 0% |
| Tuesday | 64°F | Sunny | 0 mph | 2% |
| Tuesday Night | 40°F | Partly Cloudy | 0 mph | 2% |
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.