Fredericksburg, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fredericksburg, a city in Chickasaw County, Iowa.
Tonight
49°F
Mostly Cloudy then Chance Rain Showers
A chance of rain showers after midnight. Mostly cloudy. Low around 49, with temperatures rising to around 53 overnight. South wind around 12 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Fredericksburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 49°F | Mostly Cloudy then Chance Rain Showers | 12 mph S | 39% |
| Wednesday | 53°F | Rain Showers Likely | 13 to 18 mph W | 71% |
| Wednesday Night | 44°F | Rain Showers Likely | 14 to 17 mph W | 64% |
| Thursday | 49°F | Rain Showers Likely | 16 mph NW | 74% |
| Thursday Night | 38°F | Mostly Cloudy | 10 to 14 mph N | 10% |
| Friday | 47°F | Partly Sunny | 5 to 12 mph N | 1% |
| Friday Night | 31°F | Partly Cloudy | 3 mph NW | 0% |
| Saturday | 51°F | Mostly Sunny | 1 to 6 mph SW | 2% |
| Saturday Night | 35°F | Mostly Clear | 6 mph W | 4% |
| Sunday | 57°F | Sunny | 6 to 9 mph W | 9% |
| Sunday Night | 37°F | Mostly Clear | 7 mph SW | 1% |
| Monday | 59°F | Mostly Sunny | 7 to 14 mph SW | 0% |
| Monday Night | 40°F | Mostly Clear | 8 mph W | 0% |
| Tuesday | 58°F | Sunny | 8 mph NW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Fredericksburg (42.965, -92.196). Updated through the day.
Growing snapshot for Fredericksburg
Last spring frost
May 2
First fall frost
Oct 5
Growing season
155 days
Hardiness zone
5a
More local growing data for Fredericksburg: nearby ZIP 50630 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, New Hampton, Ia (7.8 mi from Fredericksburg). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.