Athelstan, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Athelstan, a community in Taylor County, Iowa.
Tonight
44°F
Cloudy
Cloudy. Low around 44, with temperatures rising to around 46 overnight. Northwest wind 10 to 16 mph, with gusts as high as 23 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Athelstan
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 44°F | Cloudy | 10 to 16 mph NW | 13% |
| Wednesday | 53°F | Mostly Cloudy | 12 to 15 mph W | 11% |
| Wednesday Night | 40°F | Mostly Cloudy | 6 to 9 mph W | 5% |
| Thursday | 53°F | Mostly Cloudy then Chance Rain Showers | 7 to 10 mph NW | 31% |
| Thursday Night | 39°F | Mostly Cloudy | 7 mph NNW | 8% |
| Friday | 53°F | Partly Sunny | 6 mph N | 6% |
| Friday Night | 35°F | Mostly Cloudy | 1 mph NNW | 0% |
| Saturday | 57°F | Mostly Sunny | 0 to 5 mph WSW | 2% |
| Saturday Night | 37°F | Mostly Clear | 2 mph W | 4% |
| Sunday | 62°F | Sunny | 5 mph W | 3% |
| Sunday Night | 39°F | Mostly Clear | 3 mph SW | 0% |
| Monday | 66°F | Sunny | 3 to 10 mph SW | 0% |
| Monday Night | 41°F | Mostly Clear | 2 to 6 mph NW | 0% |
| Tuesday | 66°F | Mostly Sunny | 2 to 6 mph NE | 0% |
Forecast source: National Weather Service (api.weather.gov) for Athelstan (40.573, -94.543). Updated through the day.
Growing snapshot for Athelstan
Last spring frost
Apr 24
First fall frost
Oct 14
Growing season
172 days
Hardiness zone
5b
More local growing data for Athelstan: nearby ZIP 50836 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Grant City, Mo (11 mi from Athelstan). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.