Fremont, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fremont, a city in Mahaska County, Iowa.
Today
88°F
Partly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 3pm. Partly sunny. High near 88, with temperatures falling to around 86 in the afternoon. West wind around 7 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Fremont
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 88°F | Partly Sunny then Chance Showers And Thunderstorms | 7 mph W | 29% |
| Tonight | 65°F | Showers And Thunderstorms | 9 mph NNE | 87% |
| Wednesday | 77°F | Showers And Thunderstorms Likely | 5 to 8 mph NNE | 78% |
| Wednesday Night | 60°F | Showers And Thunderstorms Likely | 3 to 8 mph NNE | 59% |
| Thursday | 81°F | Chance Rain Showers then Mostly Sunny | 5 mph NE | 34% |
| Thursday Night | 61°F | Mostly Clear | 3 mph E | 2% |
| Friday | 85°F | Sunny | 2 to 6 mph SSE | 6% |
| Friday Night | 66°F | Slight Chance Showers And Thunderstorms | 7 mph SSE | 15% |
| Saturday | 89°F | Sunny then Slight Chance Rain Showers | 5 to 8 mph SSW | 15% |
| Saturday Night | 72°F | Slight Chance Rain Showers then Mostly Clear | 12 mph SSW | 15% |
| Sunday | 90°F | Sunny | 13 mph SSW | 10% |
| Sunday Night | 71°F | Partly Cloudy then Chance Showers And Thunderstorms | 12 mph S | 29% |
| Monday | 90°F | Chance Showers And Thunderstorms then Mostly Sunny | 10 to 14 mph SSW | 29% |
| Monday Night | 72°F | Slight Chance Showers And Thunderstorms | 14 mph S | 29% |
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 Aug 4, 2026.