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Westfield, IA Weather & Growing Conditions

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

Overnight
64°F
Patchy Fog
Patchy fog before 3am, then patchy fog and a slight chance of showers and thunderstorms between 3am and 5am, then patchy fog and a chance of showers and thunderstorms. Mostly cloudy. Low around 64, with temperatures rising to around 69 overnight. North northwest wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast for Westfield

WhenTempForecastWindPrecip
Overnight 64°F Patchy Fog 5 mph NNW 33%
Saturday 70°F Patchy Fog then Mostly Cloudy 5 to 10 mph N 32%
Saturday Night 58°F Cloudy 10 mph NNE 13%
Sunday 65°F Chance Rain Showers 10 to 15 mph NE 28%
Sunday Night 54°F Rain Showers Likely 10 mph ENE 64%
Monday 61°F Rain Showers Likely 10 mph ENE 64%
Monday Night 48°F Chance Rain Showers then Mostly Cloudy 5 to 10 mph ENE 28%
Tuesday 63°F Mostly Cloudy 5 to 10 mph E 4%
Tuesday Night 49°F Partly Cloudy 5 mph ESE 0%
Wednesday 67°F Partly Sunny 5 to 10 mph SE 11%
Wednesday Night 53°F Mostly Cloudy then Chance Rain Showers 5 mph SE 38%
Thursday 67°F Chance Rain Showers 5 to 10 mph SSE 38%
Thursday Night 55°F Mostly Cloudy then Slight Chance Rain Showers 5 mph SE 20%
Friday 69°F Slight Chance Rain Showers then Partly Sunny 5 to 10 mph SE 20%

Forecast source: National Weather Service (api.weather.gov) for Westfield (42.756, -96.606). Updated through the day.

Growing snapshot for Westfield

Last spring frost
May 3
First fall frost
Oct 3
Growing season
153 days
Hardiness zone
5a

More local growing data for Westfield: nearby ZIP 51062 weather · frost dates · planting calendar · Iowa frost dates

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Climate data from the nearest NOAA station, Vermillion 2 Se, Sd (20 mi from Westfield). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.