Adair, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Adair, a city in Guthrie County, Iowa.
Tonight
43°F
Rain Showers
Rain showers before 3am. Cloudy. Low around 43, with temperatures rising to around 45 overnight. Northwest wind 13 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Adair
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 43°F | Rain Showers | 13 to 17 mph NW | 81% |
| Wednesday | 50°F | Slight Chance Rain Showers | 14 to 17 mph W | 23% |
| Wednesday Night | 41°F | Mostly Cloudy then Chance Rain Showers | 13 mph W | 29% |
| Thursday | 51°F | Chance Rain Showers | 12 mph NW | 52% |
| Thursday Night | 38°F | Mostly Cloudy | 8 mph N | 10% |
| Friday | 51°F | Partly Sunny | 2 to 7 mph N | 5% |
| Friday Night | 34°F | Mostly Cloudy | 1 mph N | 0% |
| Saturday | 56°F | Mostly Sunny | 1 to 5 mph WSW | 2% |
| Saturday Night | 37°F | Mostly Clear | 2 to 6 mph W | 4% |
| Sunday | 61°F | Sunny | 6 mph W | 5% |
| Sunday Night | 40°F | Mostly Clear | 5 to 8 mph SW | 1% |
| Monday | 64°F | Sunny | 7 to 13 mph WSW | 0% |
| Monday Night | 42°F | Mostly Clear | 6 mph WNW | 0% |
| Tuesday | 63°F | Mostly Sunny | 6 mph WNW | 1% |
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.