Mount Ayr, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mount Ayr, a city in Ringgold County, Iowa.
Overnight
66°F
Partly Cloudy
Partly cloudy, with a low around 66. South southeast wind around 6 mph.
7-day forecast for Mount Ayr
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 66°F | Partly Cloudy | 6 mph SSE | 3% |
| Tuesday | 86°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 6 mph S | 23% |
| Tuesday Night | 64°F | Showers And Thunderstorms Likely | 7 to 10 mph NNE | 63% |
| Wednesday | 74°F | Showers And Thunderstorms Likely | 9 mph NE | 84% |
| Wednesday Night | 60°F | Chance Showers And Thunderstorms | 3 to 9 mph NE | 48% |
| Thursday | 81°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 3 mph ENE | 19% |
| Thursday Night | 63°F | Mostly Clear | 3 mph ESE | 7% |
| Friday | 85°F | Mostly Sunny | 3 to 7 mph S | 7% |
| Friday Night | 67°F | Mostly Clear | 6 mph S | 9% |
| Saturday | 89°F | Sunny | 5 to 10 mph SSW | 3% |
| Saturday Night | 72°F | Mostly Clear | 13 mph S | 8% |
| Sunday | 91°F | Mostly Sunny | 10 to 14 mph SSW | 7% |
| Sunday Night | 72°F | Partly Cloudy | 13 mph S | 12% |
| Monday | 91°F | Mostly Sunny | 12 to 15 mph SSW | 12% |
Forecast source: National Weather Service (api.weather.gov) for Mount Ayr (40.714, -94.237). Updated through the day.
Growing snapshot for Mount Ayr
Last spring frost
Apr 25
First fall frost
Oct 12
Growing season
169 days
Hardiness zone
5b
More local growing data for Mount Ayr: nearby ZIP 50854 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Mt Ayr, Ia (2.4 mi from Mount Ayr). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.