Westfield, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Westfield, a city in Plymouth County, Iowa.
This Afternoon
55°F
Rain Showers
Rain showers. Cloudy. High near 55, with temperatures falling to around 49 in the afternoon. North northwest wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Westfield
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 55°F | Rain Showers | 20 mph NNW | 94% |
| Tonight | 39°F | Rain Showers | 15 to 20 mph NW | 90% |
| Wednesday | 48°F | Chance Rain Showers | 15 to 20 mph NW | 52% |
| Wednesday Night | 37°F | Rain Showers Likely | 15 mph NW | 55% |
| Thursday | 49°F | Slight Chance Rain Showers then Mostly Cloudy | 10 to 15 mph NNW | 17% |
| Thursday Night | 33°F | Mostly Cloudy | 0 to 10 mph N | 0% |
| Friday | 50°F | Partly Sunny | 0 mph | 0% |
| Friday Night | 32°F | Mostly Cloudy | 0 mph | 1% |
| Saturday | 58°F | Mostly Sunny | 0 to 5 mph SW | 2% |
| Saturday Night | 35°F | Mostly Clear | 5 mph W | 5% |
| Sunday | 61°F | Sunny | 5 mph WSW | 2% |
| Sunday Night | 39°F | Mostly Clear | 5 mph S | 0% |
| Monday | 63°F | Sunny | 5 to 10 mph WSW | 0% |
| Monday Night | 38°F | Mostly Clear | 5 mph NW | 0% |
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 Nov 4, 2026.