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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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
Nearby towns & communities
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.