Westwood, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Westwood, a city in Henry County, Iowa.
Overnight
62°F
Mostly Clear
Mostly clear, with a low around 62. South wind around 5 mph.
7-day forecast for Westwood
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 62°F | Mostly Clear | 5 mph S | 0% |
| Tuesday | 89°F | Mostly Sunny | 5 mph S | 12% |
| Tuesday Night | 66°F | Showers And Thunderstorms Likely | 5 mph NE | 61% |
| Wednesday | 80°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 5 mph NE | 81% |
| Wednesday Night | 61°F | Showers And Thunderstorms | 5 mph N | 76% |
| Thursday | 81°F | Chance Showers And Thunderstorms | 0 to 5 mph NE | 54% |
| Thursday Night | 61°F | Mostly Clear | 0 mph | 6% |
| Friday | 84°F | Mostly Sunny | 0 to 5 mph S | 6% |
| Friday Night | 65°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph SE | 16% |
| Saturday | 87°F | Slight Chance Showers And Thunderstorms then Sunny | 5 mph S | 16% |
| Saturday Night | 70°F | Mostly Clear | 5 to 10 mph S | 8% |
| Sunday | 89°F | Sunny | 10 mph S | 8% |
| Sunday Night | 69°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 22% |
| Monday | 89°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 5 to 10 mph S | 22% |
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 Aug 4, 2026.