Adair, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Adair, a city in Guthrie County, Iowa.
Overnight
43°F
Slight Chance Rain Showers
A slight chance of rain showers. Cloudy. Low around 43, with temperatures rising to around 45 overnight. West northwest wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Adair
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 43°F | Slight Chance Rain Showers | 14 mph WNW | 16% |
| Wednesday | 49°F | Slight Chance Rain Showers then Cloudy | 17 mph W | 17% |
| Wednesday Night | 42°F | Cloudy then Chance Rain Showers | 13 mph WNW | 30% |
| Thursday | 50°F | Chance Rain Showers then Mostly Cloudy | 12 mph NW | 32% |
| Thursday Night | 38°F | Mostly Cloudy | 5 to 9 mph N | 5% |
| Friday | 49°F | Mostly Sunny | 2 to 6 mph N | 1% |
| Friday Night | 31°F | Partly Cloudy | 1 mph SE | 0% |
| Saturday | 52°F | Mostly Sunny | 1 to 5 mph SW | 1% |
| Saturday Night | 36°F | Mostly Clear | 5 mph WSW | 0% |
| Sunday | 58°F | Sunny | 6 mph W | 0% |
| Sunday Night | 39°F | Clear | 3 to 7 mph SW | 0% |
| Monday | 63°F | Sunny | 6 to 12 mph SW | 0% |
| Monday Night | 42°F | Mostly Clear | 5 mph WNW | 0% |
| Tuesday | 63°F | Mostly Sunny | 5 mph NNW | 0% |
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 Nov 4, 2026.