Brayton, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Brayton, a city in Audubon County, Iowa.
Overnight
68°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy. Low around 68, with temperatures rising to around 70 overnight. South southwest wind around 6 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Brayton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 68°F | Chance Showers And Thunderstorms | 6 mph SSW | 44% |
| Saturday | 79°F | Chance Showers And Thunderstorms | 7 mph WNW | 43% |
| Saturday Night | 60°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 8 mph N | 31% |
| Sunday | 65°F | Chance Rain Showers | 7 to 12 mph NNE | 52% |
| Sunday Night | 55°F | Chance Rain Showers | 7 to 10 mph NE | 48% |
| Monday | 60°F | Rain Showers Likely | 10 mph NE | 66% |
| Monday Night | 50°F | Chance Rain Showers then Mostly Cloudy | 3 to 9 mph ENE | 61% |
| Tuesday | 60°F | Partly Sunny | 5 to 8 mph ENE | 12% |
| Tuesday Night | 45°F | Partly Cloudy | 1 to 5 mph E | 2% |
| Wednesday | 64°F | Mostly Sunny | 1 to 5 mph ESE | 4% |
| Wednesday Night | 50°F | Partly Cloudy | 2 mph ESE | 13% |
| Thursday | 65°F | Chance Rain Showers | 0 to 5 mph SE | 24% |
| Thursday Night | 55°F | Mostly Cloudy then Slight Chance Rain Showers | 3 mph SE | 18% |
| Friday | 67°F | Slight Chance Rain Showers | 1 to 7 mph ESE | 18% |
Forecast source: National Weather Service (api.weather.gov) for Brayton (41.545, -94.930). Updated through the day.
Growing snapshot for Brayton
Last spring frost
Apr 30
First fall frost
Oct 2
Growing season
153 days
Hardiness zone
5a
More local growing data for Brayton: nearby ZIP 50042 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Atlantic 1 Ne, Ia (9.5 mi from Brayton). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.