Athelstan, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Athelstan, a community in Taylor County, Iowa.
Tonight
63°F
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
A chance of showers and thunderstorms before 10pm, then showers and thunderstorms likely between 10pm and 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers and thunderstorms. Mostly cloudy. Low around 63, with temperatures rising to around 65 overnight. North wind 6 to 9 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Athelstan
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 63°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 6 to 9 mph N | 66% |
| Sunday | 68°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 7 to 12 mph NNE | 42% |
| Sunday Night | 58°F | Showers And Thunderstorms Likely | 7 to 12 mph NE | 62% |
| Monday | 61°F | Rain Showers Likely | 10 mph NE | 63% |
| Monday Night | 52°F | Chance Rain Showers then Mostly Cloudy | 6 to 10 mph NNE | 52% |
| Tuesday | 60°F | Mostly Cloudy | 8 mph NE | 6% |
| Tuesday Night | 46°F | Mostly Cloudy | 2 to 7 mph ENE | 5% |
| Wednesday | 62°F | Mostly Sunny | 5 mph ENE | 0% |
| Wednesday Night | 51°F | Partly Cloudy | 3 mph E | 10% |
| Thursday | 66°F | Slight Chance Rain Showers | 5 mph SE | 22% |
| Thursday Night | 57°F | Slight Chance Rain Showers | 3 mph ESE | 24% |
| Friday | 69°F | Chance Rain Showers | 2 to 6 mph ESE | 27% |
| Friday Night | 59°F | Slight Chance Rain Showers | 3 mph E | 20% |
| Saturday | 70°F | Chance Rain Showers | 3 to 8 mph SE | 28% |
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 20, 2026.