Fremont, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fremont, a city in Mahaska County, Iowa.
Overnight
49°F
Cloudy
Cloudy, with a low around 49. West wind around 13 mph, with gusts as high as 21 mph.
7-day forecast for Fremont
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 49°F | Cloudy | 13 mph W | 12% |
| Wednesday | 55°F | Mostly Cloudy | 13 to 16 mph W | 13% |
| Wednesday Night | 44°F | Mostly Cloudy | 13 mph WSW | 7% |
| Thursday | 54°F | Chance Rain Showers | 9 to 13 mph WNW | 53% |
| Thursday Night | 41°F | Mostly Cloudy | 9 mph NNW | 14% |
| Friday | 50°F | Mostly Sunny | 5 to 9 mph N | 1% |
| Friday Night | 30°F | Partly Cloudy | 0 to 3 mph N | 0% |
| Saturday | 52°F | Mostly Sunny | 0 to 3 mph WNW | 0% |
| Saturday Night | 35°F | Mostly Clear | 5 mph W | 1% |
| Sunday | 58°F | Sunny | 6 mph W | 1% |
| Sunday Night | 36°F | Clear | 3 mph WSW | 0% |
| Monday | 65°F | Sunny | 3 to 9 mph SW | 0% |
| Monday Night | 41°F | Mostly Clear | 6 mph W | 0% |
| Tuesday | 64°F | Sunny | 5 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Fremont (41.212, -92.434). Updated through the day.
Growing snapshot for Fremont
Last spring frost
Apr 23
First fall frost
Oct 14
Growing season
172 days
Hardiness zone
5b
More local growing data for Fremont: nearby ZIP 52561 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Ottumwa Industrial Ap, Ia (7.8 mi from Fremont). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.