Mount Ayr, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mount Ayr, a city in Ringgold County, Iowa.
This Afternoon
65°F
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy. High near 65, with temperatures falling to around 57 in the afternoon. South wind around 10 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Mount Ayr
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 65°F | Showers And Thunderstorms | 10 mph S | 87% |
| Tonight | 45°F | Rain Showers then Cloudy | 13 mph NW | 78% |
| Wednesday | 52°F | Mostly Cloudy | 12 to 16 mph W | 11% |
| Wednesday Night | 41°F | Mostly Cloudy | 10 mph W | 4% |
| Thursday | 53°F | Mostly Cloudy then Chance Rain Showers | 10 mph WNW | 32% |
| Thursday Night | 40°F | Mostly Cloudy | 7 mph NNW | 10% |
| Friday | 52°F | Partly Sunny | 3 to 8 mph N | 3% |
| Friday Night | 35°F | Mostly Cloudy | 2 mph NNW | 0% |
| Saturday | 55°F | Mostly Sunny | 1 to 5 mph WSW | 4% |
| Saturday Night | 37°F | Mostly Clear | 5 mph W | 5% |
| Sunday | 61°F | Sunny | 6 mph W | 3% |
| Sunday Night | 39°F | Mostly Clear | 6 mph SW | 0% |
| Monday | 65°F | Sunny | 6 to 12 mph SW | 0% |
| Monday Night | 42°F | Mostly Clear | 6 mph WNW | 0% |
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 Nov 3, 2026.