Harman US

Dows, IA Weather & Growing Conditions

Overnight
64°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy. Low around 64, with temperatures rising to around 66 overnight. East wind around 8 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Overnight 64°F Chance Showers And Thunderstorms 8 mph E 54%
Saturday 76°F Patchy Fog 8 mph WNW 51%
Saturday Night 58°F Slight Chance Showers And Thunderstorms 10 mph N 24%
Sunday 66°F Slight Chance Rain Showers then Slight Chance Drizzle 12 to 15 mph NE 24%
Sunday Night 52°F Chance Rain Showers 13 mph ENE 30%
Monday 61°F Chance Rain Showers 13 mph ENE 48%
Monday Night 46°F Chance Rain Showers 5 to 9 mph ENE 48%
Tuesday 60°F Mostly Sunny 5 to 8 mph ENE 11%
Tuesday Night 43°F Partly Cloudy 5 mph E 1%
Wednesday 65°F Sunny 5 mph E 1%
Wednesday Night 48°F Partly Cloudy 2 mph ESE 7%
Thursday 66°F Partly Sunny 5 mph SE 13%
Thursday Night 52°F Mostly Cloudy 2 mph ESE 6%
Friday 69°F Partly Sunny 2 to 6 mph ESE 6%

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

Growing snapshot for Dows, IA

Last spring frost
Apr 30
First fall frost
Oct 10
Growing season
162 days
Hardiness zone
5a

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

Climate data from the nearest NOAA station, Clarion, Ia (12.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.