Athelstan, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Athelstan, a community in Taylor County, Iowa.
This Afternoon
84°F
Mostly Sunny
Mostly sunny, with a high near 84. West southwest wind around 9 mph, with gusts as high as 18 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Athelstan
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 84°F | Mostly Sunny | 9 mph WSW | 13% |
| Tonight | 63°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 3 to 7 mph N | 66% |
| Sunday | 69°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 7 to 12 mph NNE | 42% |
| Sunday Night | 59°F | Showers And Thunderstorms Likely | 7 to 12 mph NE | 62% |
| Monday | 61°F | Rain Showers Likely | 12 mph NE | 62% |
| Monday Night | 52°F | Chance Rain Showers then Mostly Cloudy | 6 to 12 mph NE | 36% |
| Tuesday | 60°F | Partly Sunny | 9 mph NE | 6% |
| Tuesday Night | 46°F | Partly Cloudy | 2 to 7 mph ENE | 3% |
| Wednesday | 63°F | Mostly Sunny | 5 mph ENE | 2% |
| Wednesday Night | 51°F | Partly Cloudy | 3 mph E | 8% |
| Thursday | 66°F | Slight Chance Rain Showers | 5 mph ESE | 23% |
| Thursday Night | 56°F | Mostly Cloudy then Slight Chance Rain Showers | 3 mph ESE | 23% |
| Friday | 67°F | Slight Chance Rain Showers | 6 mph ESE | 23% |
| Friday Night | 57°F | Mostly Cloudy | 5 mph ESE | 13% |
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 Sep 19, 2026.