Brayton, IA Weather & Growing Conditions
Tonight
68°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 9pm. Mostly cloudy. Low around 68, with temperatures rising to around 70 overnight. South wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 68°F | Chance Showers And Thunderstorms | 6 to 9 mph S | 43% |
| Saturday | 79°F | Chance Showers And Thunderstorms | 7 mph WNW | 40% |
| Saturday Night | 61°F | Chance Showers And Thunderstorms | 9 mph N | 34% |
| Sunday | 66°F | Chance Showers And Thunderstorms | 8 to 12 mph NNE | 52% |
| Sunday Night | 56°F | Chance Showers And Thunderstorms | 10 mph NE | 49% |
| Monday | 60°F | Rain Showers Likely | 12 mph NE | 66% |
| Monday Night | 51°F | Rain Showers Likely | 5 to 8 mph NE | 61% |
| Tuesday | 60°F | Mostly Cloudy | 8 mph ENE | 12% |
| Tuesday Night | 48°F | Partly Cloudy | 1 to 6 mph E | 2% |
| Wednesday | 64°F | Mostly Sunny | 1 to 5 mph ESE | 3% |
| Wednesday Night | 52°F | Mostly Cloudy | 2 mph ESE | 12% |
| Thursday | 66°F | Slight Chance Rain Showers | 0 to 3 mph SE | 24% |
| Thursday Night | 55°F | Slight Chance Rain Showers | 2 mph SE | 18% |
| Friday | 66°F | Slight Chance Rain Showers | 1 to 6 mph ESE | 18% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Brayton, IA
Last spring frost
Apr 30
First fall frost
Oct 2
Growing season
153 days
Hardiness zone
5a
Explore more for Brayton, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Atlantic 1 Ne, Ia (9.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.