Harman US

Adair, IA Weather & Growing Conditions

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

Overnight
69°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. South southwest wind around 9 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast for Adair

WhenTempForecastWindPrecip
Overnight 69°F Chance Showers And Thunderstorms 9 mph SSW 41%
Saturday 79°F Chance Showers And Thunderstorms 7 mph WNW 43%
Saturday Night 62°F Chance Showers And Thunderstorms 9 mph N 34%
Sunday 66°F Showers And Thunderstorms Likely 9 to 13 mph NNE 55%
Sunday Night 56°F Chance Showers And Thunderstorms 12 mph NE 50%
Monday 59°F Rain Showers Likely 12 mph NE 70%
Monday Night 52°F Rain Showers Likely 6 to 9 mph NE 60%
Tuesday 60°F Mostly Cloudy 8 mph ENE 13%
Tuesday Night 48°F Partly Cloudy 2 to 6 mph ENE 3%
Wednesday 64°F Mostly Sunny 5 mph E 4%
Wednesday Night 52°F Mostly Cloudy 2 mph SE 10%
Thursday 66°F Slight Chance Rain Showers 3 mph SE 22%
Thursday Night 55°F Mostly Cloudy then Slight Chance Rain Showers 2 mph SE 16%
Friday 66°F Slight Chance Rain Showers 2 to 6 mph ESE 16%

Forecast source: National Weather Service (api.weather.gov) for Adair (41.500, -94.644). Updated through the day.

Growing snapshot for Adair

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

More local growing data for Adair: nearby ZIP 50002 weather · frost dates · planting calendar · Iowa frost dates

Nearby towns & communities

All Iowa locations ›

Climate data from the nearest NOAA station, Guthrie Ctr, Ia (13.2 mi from Adair). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.