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Westwood, IA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Westwood, a city in Henry County, Iowa.

Today
53°F
Slight Chance Rain Showers then Cloudy
A slight chance of rain showers before 9am. Cloudy, with a high near 53. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

7-day forecast for Westwood

WhenTempForecastWindPrecip
Today 53°F Slight Chance Rain Showers then Cloudy 10 to 15 mph W 15%
Tonight 45°F Mostly Cloudy 10 mph W 7%
Thursday 55°F Rain Showers Likely 5 to 10 mph W 61%
Thursday Night 41°F Slight Chance Rain Showers then Mostly Cloudy 5 mph NW 17%
Friday 50°F Partly Sunny 5 to 10 mph N 4%
Friday Night 30°F Partly Cloudy 0 mph 0%
Saturday 51°F Mostly Sunny 0 mph 0%
Saturday Night 34°F Mostly Clear 0 mph 1%
Sunday 58°F Sunny 0 to 5 mph W 1%
Sunday Night 35°F Clear 0 mph 0%
Monday 64°F Sunny 0 to 5 mph SW 0%
Monday Night 40°F Clear 0 to 5 mph W 0%
Tuesday 64°F Sunny 0 to 5 mph NW 0%
Tuesday Night 41°F Partly Cloudy 0 mph 1%

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

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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 Nov 4, 2026.