Harman US

Malvern, IA Weather & Growing Conditions

Today
83°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 8am, then a slight chance of showers and thunderstorms between 8am and 10am, then a chance of showers and thunderstorms between 2pm and 4pm, then a chance of showers and thunderstorms. Partly sunny. High near 83, with temperatures falling to around 81 in the afternoon. North northeast wind 3 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Today 83°F Chance Showers And Thunderstorms 3 to 13 mph NNE 46%
Tonight 63°F Chance Showers And Thunderstorms then Patchy Smoke 8 to 14 mph NNE 88%
Wednesday 74°F Showers And Thunderstorms 10 mph NE 88%
Wednesday Night 59°F Chance Showers And Thunderstorms then Partly Cloudy 2 to 8 mph ENE 26%
Thursday 81°F Mostly Sunny 5 mph E 2%
Thursday Night 64°F Mostly Clear 5 mph SE 11%
Friday 86°F Sunny 5 to 8 mph S 11%
Friday Night 68°F Mostly Clear 7 mph SSE 5%
Saturday 90°F Sunny 5 to 15 mph S 1%
Saturday Night 73°F Mostly Clear 12 to 15 mph S 8%
Sunday 92°F Mostly Sunny 9 to 14 mph S 8%
Sunday Night 72°F Slight Chance Showers And Thunderstorms 15 mph SSE 15%
Monday 93°F Mostly Sunny 12 to 17 mph S 12%
Monday Night 74°F Partly Cloudy then Slight Chance Showers And Thunderstorms 12 to 16 mph SSE 21%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Malvern, IA

Last spring frost
Apr 23
First fall frost
Oct 11
Growing season
170 days
Hardiness zone
5b

Explore more for Malvern, IA: full frost dates · planting calendar · Iowa frost dates

Climate data from the nearest NOAA station, Glenwood 3Sw, Ia (9.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.