Anthon, IA Weather & Growing Conditions
Today
72°F
Slight Chance Showers And Thunderstorms then Patchy Smoke
A slight chance of showers and thunderstorms before 7am, then patchy smoke and a chance of showers and thunderstorms between 7am and noon, then patchy smoke and showers and thunderstorms. Mostly cloudy, with a high near 72. North wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 72°F | Slight Chance Showers And Thunderstorms then Patchy Smoke | 5 to 10 mph N | 76% |
| Tonight | 57°F | Patchy Smoke then Mostly Cloudy | 0 to 5 mph NNE | 68% |
| Wednesday | 73°F | Partly Sunny | 0 to 5 mph ENE | 9% |
| Wednesday Night | 53°F | Mostly Clear | 0 to 5 mph ESE | 1% |
| Thursday | 80°F | Sunny | 0 to 5 mph SSE | 1% |
| Thursday Night | 62°F | Mostly Clear | 5 mph SSE | 1% |
| Friday | 85°F | Sunny | 5 to 10 mph S | 3% |
| Friday Night | 66°F | Mostly Clear | 5 to 10 mph S | 9% |
| Saturday | 89°F | Sunny | 5 to 15 mph SSE | 3% |
| Saturday Night | 69°F | Slight Chance Showers And Thunderstorms | 5 to 15 mph SSE | 19% |
| Sunday | 89°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 10 mph SE | 16% |
| Sunday Night | 70°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 10 mph SE | 22% |
| Monday | 88°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 10 to 15 mph ESE | 22% |
| Monday Night | 69°F | Slight Chance Showers And Thunderstorms | 10 to 15 mph E | 20% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Anthon, IA
Last spring frost
May 3
First fall frost
Oct 1
Growing season
151 days
Hardiness zone
5a
Explore more for Anthon, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Mapleton No.2, Ia (16.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.