Athelstan, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Athelstan, a community in Taylor County, Iowa.
Overnight
67°F
Mostly Cloudy
Mostly cloudy, with a low around 67. South southeast wind around 5 mph.
7-day forecast for Athelstan
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 67°F | Mostly Cloudy | 5 mph SSE | 2% |
| Tuesday | 88°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 3 to 7 mph SSE | 22% |
| Tuesday Night | 65°F | Showers And Thunderstorms Likely | 10 mph NE | 61% |
| Wednesday | 76°F | Showers And Thunderstorms Likely | 10 mph NE | 75% |
| Wednesday Night | 61°F | Chance Showers And Thunderstorms | 3 to 10 mph NE | 46% |
| Thursday | 82°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 5 mph ENE | 21% |
| Thursday Night | 63°F | Mostly Clear then Slight Chance Showers And Thunderstorms | 5 mph ESE | 15% |
| Friday | 86°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 3 to 7 mph S | 15% |
| Friday Night | 68°F | Mostly Clear | 6 mph S | 8% |
| Saturday | 91°F | Sunny | 3 to 13 mph S | 3% |
| Saturday Night | 72°F | Mostly Clear | 13 mph S | 8% |
| Sunday | 93°F | Mostly Sunny | 10 to 15 mph SSW | 6% |
| Sunday Night | 73°F | Partly Cloudy | 10 to 14 mph S | 10% |
| Monday | 93°F | Mostly Sunny | 10 to 16 mph SSW | 9% |
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 Aug 4, 2026.