Mystic, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mystic, a city in Appanoose County, Iowa.
This Afternoon
71°F
Chance Rain Showers
A chance of rain showers. Mostly cloudy. High near 71, with temperatures falling to around 63 in the afternoon. South wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Mystic
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 71°F | Chance Rain Showers | 10 mph S | 36% |
| Tonight | 47°F | Chance Rain Showers then Cloudy | 9 mph SW | 26% |
| Wednesday | 54°F | Mostly Cloudy | 10 to 16 mph WSW | 11% |
| Wednesday Night | 43°F | Mostly Cloudy | 9 mph WSW | 5% |
| Thursday | 54°F | Mostly Cloudy then Chance Rain Showers | 6 to 10 mph WNW | 28% |
| Thursday Night | 41°F | Slight Chance Rain Showers then Mostly Cloudy | 6 mph NNW | 19% |
| Friday | 53°F | Partly Sunny | 2 to 7 mph N | 5% |
| Friday Night | 35°F | Mostly Cloudy | 1 mph N | 0% |
| Saturday | 56°F | Partly Sunny | 2 mph W | 2% |
| Saturday Night | 37°F | Mostly Clear | 2 mph W | 4% |
| Sunday | 62°F | Sunny | 5 mph W | 5% |
| Sunday Night | 38°F | Mostly Clear | 3 mph WSW | 1% |
| Monday | 66°F | Sunny | 3 to 10 mph SW | 0% |
| Monday Night | 42°F | Mostly Clear | 3 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov) for Mystic (40.779, -92.944). Updated through the day.
Growing snapshot for Mystic
Last spring frost
Apr 18
First fall frost
Oct 23
Growing season
187 days
Hardiness zone
5b
More local growing data for Mystic: nearby ZIP 52574 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Rathbun Dam, Ia (3.8 mi from Mystic). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.