Norwalk, IA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Norwalk, a city in Warren County, Iowa.

This Afternoon

67°F

Showers And Thunderstorms

Showers and thunderstorms. Cloudy. High near 67, with temperatures falling to around 62 in the afternoon. North northwest wind 5 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast for Norwalk

When	Temp	Forecast	Wind	Precip
This Afternoon	67°F	Showers And Thunderstorms	5 to 8 mph NNW	78%
Tonight	47°F	Showers And Thunderstorms Likely	8 to 13 mph NW	67%
Wednesday	53°F	Mostly Cloudy then Slight Chance Rain Showers	14 to 17 mph W	16%
Wednesday Night	44°F	Mostly Cloudy then Slight Chance Rain Showers	13 mph W	15%
Thursday	52°F	Rain Showers Likely	13 mph NW	55%
Thursday Night	41°F	Mostly Cloudy	9 mph NNW	10%
Friday	52°F	Partly Sunny	5 to 8 mph N	3%
Friday Night	35°F	Partly Cloudy	3 mph N	0%
Saturday	57°F	Mostly Sunny	1 to 5 mph WSW	1%
Saturday Night	38°F	Mostly Clear	5 mph W	4%
Sunday	63°F	Sunny	7 mph W	6%
Sunday Night	40°F	Mostly Clear	6 mph SW	1%
Monday	66°F	Sunny	6 to 12 mph SW	0%
Monday Night	42°F	Mostly Clear	7 mph WNW	0%

Forecast source: National Weather Service (api.weather.gov) for Norwalk (41.484, -93.695). Updated through the day.

Growing snapshot for Norwalk

Last spring frost

Apr 18

First fall frost

Oct 20

Growing season

184 days

Hardiness zone

More local growing data for Norwalk: nearby ZIP 50211 weather · frost dates · planting calendar · Iowa frost dates

Nearby towns & communities

Ackworth Carlisle Hartford Indianola Lacona Martensdale Milo New Virginia Sandyville Spring Hill St. Marys

All Iowa locations ›

Climate data from the nearest NOAA station, Des Moines Intl Ap, Ia (6.1 mi from Norwalk). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.