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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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
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.