Westfield, IA Weather & Growing Conditions
Today
70°F
Patchy Smoke
Patchy smoke and a chance of showers and thunderstorms before 10am, then patchy smoke and scattered showers and thunderstorms between 10am and 1pm, then patchy smoke and showers and thunderstorms between 1pm and 3pm, then scattered showers and thunderstorms between 3pm and 4pm, then patchy smoke and scattered showers and thunderstorms. Mostly cloudy, with a high near 70. North wind 5 to 15 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 70°F | Patchy Smoke | 5 to 15 mph N | 82% |
| Tonight | 56°F | Patchy Smoke then Mostly Cloudy | 0 to 5 mph N | 47% |
| Wednesday | 74°F | Partly Sunny | 0 to 5 mph ESE | 3% |
| Wednesday Night | 54°F | Mostly Clear | 5 mph SSE | 1% |
| Thursday | 80°F | Mostly Sunny | 5 to 10 mph S | 0% |
| Thursday Night | 63°F | Mostly Clear | 5 to 10 mph S | 2% |
| Friday | 86°F | Sunny | 5 to 10 mph SSW | 3% |
| Friday Night | 66°F | Mostly Clear | 5 to 10 mph SSE | 11% |
| Saturday | 89°F | Sunny | 5 to 15 mph S | 4% |
| Saturday Night | 70°F | Slight Chance Showers And Thunderstorms | 10 to 15 mph SSE | 15% |
| Sunday | 88°F | Mostly Sunny | 10 mph SE | 13% |
| Sunday Night | 70°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 10 to 15 mph ESE | 16% |
| Monday | 87°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 10 to 15 mph E | 16% |
| Monday Night | 69°F | Slight Chance Showers And Thunderstorms | 10 to 15 mph E | 23% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Westfield, IA
Last spring frost
May 3
First fall frost
Oct 3
Growing season
153 days
Hardiness zone
5a
Explore more for Westfield, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Vermillion 2 Se, Sd (20 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.