Atlantic, IA Weather & Growing Conditions
Overnight
67°F
Mostly Cloudy
Mostly cloudy, with a low around 67. South southwest wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 67°F | Mostly Cloudy | 5 mph SSW | 7% |
| Tuesday | 82°F | Chance Showers And Thunderstorms | 3 to 10 mph NNW | 29% |
| Tuesday Night | 60°F | Showers And Thunderstorms | 5 to 10 mph NE | 88% |
| Wednesday | 73°F | Chance Showers And Thunderstorms | 8 mph NE | 44% |
| Wednesday Night | 56°F | Partly Cloudy | 0 to 7 mph ENE | 12% |
| Thursday | 81°F | Sunny | 0 to 5 mph E | 2% |
| Thursday Night | 61°F | Mostly Clear | 3 mph SE | 3% |
| Friday | 85°F | Sunny | 2 to 9 mph S | 3% |
| Friday Night | 67°F | Mostly Clear | 6 mph S | 7% |
| Saturday | 89°F | Sunny | 2 to 12 mph S | 5% |
| Saturday Night | 71°F | Mostly Clear | 12 mph S | 10% |
| Sunday | 90°F | Mostly Sunny | 9 to 13 mph SSE | 10% |
| Sunday Night | 71°F | Chance Showers And Thunderstorms | 13 mph SSE | 25% |
| Monday | 90°F | Chance Showers And Thunderstorms then Mostly Sunny | 10 to 14 mph S | 25% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Atlantic, IA
Last spring frost
Apr 30
First fall frost
Oct 2
Growing season
153 days
Hardiness zone
5a
Explore more for Atlantic, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Atlantic 1 Ne, Ia (0.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.