Harman US

Menlo, IA Weather & Growing Conditions

Overnight
69°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy. Low around 69, with temperatures rising to around 71 overnight. Southwest wind around 7 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Overnight 69°F Chance Showers And Thunderstorms 7 mph SW 39%
Saturday 80°F Chance Showers And Thunderstorms 7 mph WNW 45%
Saturday Night 61°F Chance Showers And Thunderstorms 9 mph N 34%
Sunday 65°F Chance Showers And Thunderstorms 12 mph NNE 46%
Sunday Night 56°F Chance Showers And Thunderstorms 12 mph NE 51%
Monday 60°F Rain Showers Likely 12 mph NE 59%
Monday Night 51°F Chance Rain Showers 6 to 10 mph NE 46%
Tuesday 60°F Partly Sunny 8 mph ENE 10%
Tuesday Night 46°F Partly Cloudy 2 to 6 mph E 4%
Wednesday 64°F Mostly Sunny 5 mph E 2%
Wednesday Night 51°F Partly Cloudy 3 mph ESE 10%
Thursday 65°F Slight Chance Rain Showers 5 mph SE 24%
Thursday Night 55°F Mostly Cloudy 3 mph ESE 13%
Friday 67°F Partly Sunny 2 to 6 mph ESE 13%

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

Growing snapshot for Menlo, IA

Last spring frost
May 2
First fall frost
Oct 3
Growing season
153 days
Hardiness zone
5b

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

Climate data from the nearest NOAA station, Guthrie Ctr, Ia (12.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.