Westwood, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Westwood, a city in Henry County, Iowa.
Today
84°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy, with a high near 84. South wind 5 to 10 mph. Chance of precipitation is 30%.
7-day forecast for Westwood
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Chance Showers And Thunderstorms | 5 to 10 mph S | 32% |
| Tonight | 65°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 mph NW | 75% |
| Sunday | 72°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 15 mph NE | 79% |
| Sunday Night | 58°F | Showers And Thunderstorms Likely | 10 to 15 mph NE | 65% |
| Monday | 63°F | Showers And Thunderstorms Likely | 10 to 15 mph NE | 65% |
| Monday Night | 52°F | Chance Rain Showers | 10 mph NE | 52% |
| Tuesday | 61°F | Chance Rain Showers | 10 mph NE | 42% |
| Tuesday Night | 47°F | Partly Cloudy | 5 mph NE | 5% |
| Wednesday | 66°F | Mostly Sunny | 5 mph NE | 0% |
| Wednesday Night | 51°F | Partly Cloudy | 0 to 5 mph NE | 3% |
| Thursday | 69°F | Partly Sunny | 0 to 5 mph NE | 6% |
| Thursday Night | 54°F | Partly Cloudy | 0 mph | 5% |
| Friday | 72°F | Mostly Sunny | 0 to 5 mph E | 5% |
| Friday Night | 55°F | Partly Cloudy | 0 to 5 mph E | 7% |
Forecast source: National Weather Service (api.weather.gov) for Westwood (40.965, -91.627). Updated through the day.
Growing snapshot for Westwood
Last spring frost
Apr 30
First fall frost
Oct 10
Growing season
163 days
Hardiness zone
5b
More local growing data for Westwood: nearby ZIP 52641 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Mt Pleasant 1 Ssw, Ia (3 mi from Westwood). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.