Westphalia, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Westphalia, a city in Shelby County, Iowa.
Tonight
40°F
Rain Showers Likely
Rain showers likely before 5am. Cloudy. Low around 40, with temperatures rising to around 43 overnight. Northwest wind around 18 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Westphalia
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 40°F | Rain Showers Likely | 18 mph NW | 61% |
| Wednesday | 48°F | Chance Rain Showers | 16 mph WNW | 38% |
| Wednesday Night | 38°F | Slight Chance Rain Showers | 13 mph WNW | 22% |
| Thursday | 49°F | Slight Chance Rain Showers then Mostly Cloudy | 12 mph NW | 23% |
| Thursday Night | 35°F | Mostly Cloudy | 3 to 8 mph N | 0% |
| Friday | 49°F | Mostly Sunny | 0 to 3 mph N | 1% |
| Friday Night | 30°F | Partly Cloudy | 1 mph SE | 0% |
| Saturday | 52°F | Mostly Sunny | 1 to 6 mph SSW | 0% |
| Saturday Night | 34°F | Mostly Clear | 2 mph WSW | 0% |
| Sunday | 58°F | Sunny | 5 mph WSW | 0% |
| Sunday Night | 37°F | Mostly Clear | 2 to 6 mph SSW | 0% |
| Monday | 63°F | Sunny | 5 to 9 mph SW | 0% |
| Monday Night | 39°F | Mostly Clear | 3 mph WNW | 0% |
| Tuesday | 62°F | Mostly Sunny | 5 mph NNW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Westphalia (41.719, -95.394). Updated through the day.
Growing snapshot for Westphalia
Last spring frost
Apr 27
First fall frost
Oct 9
Growing season
165 days
More local growing data for Westphalia: nearby ZIP 51578 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Harlan, Ia (6.1 mi from Westphalia). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.