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Fredericksburg, IA Weather & Growing Conditions

This Afternoon
72°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Cloudy, with a high near 72. South wind around 8 mph. Chance of precipitation is 50%. New rainfall amounts between a half and three quarters of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 72°F Chance Showers And Thunderstorms 8 mph S 52%
Tonight 57°F Showers And Thunderstorms Likely 9 to 14 mph NE 59%
Sunday 66°F Slight Chance Rain Showers then Cloudy 14 to 17 mph NE 21%
Sunday Night 50°F Cloudy then Chance Rain Showers 15 mph NE 34%
Monday 61°F Chance Rain Showers 16 mph NE 34%
Monday Night 46°F Chance Rain Showers 9 to 13 mph NE 32%
Tuesday 60°F Slight Chance Rain Showers then Mostly Sunny 12 mph NE 15%
Tuesday Night 43°F Mostly Clear 7 mph E 2%
Wednesday 64°F Sunny 7 mph E 1%
Wednesday Night 48°F Mostly Clear 5 mph E 3%
Thursday 66°F Mostly Sunny 5 mph E 13%
Thursday Night 50°F Partly Cloudy 3 mph E 4%
Friday 68°F Mostly Sunny 6 mph E 4%
Friday Night 51°F Partly Cloudy 5 mph SE 8%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Fredericksburg, IA

Last spring frost
May 2
First fall frost
Oct 5
Growing season
155 days
Hardiness zone
5a

Explore more for Fredericksburg, IA: full frost dates · planting calendar · Iowa frost dates

Climate data from the nearest NOAA station, New Hampton, Ia (7.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.