Brayton, IA Weather & Growing Conditions
Tonight
42°F
Rain Showers
Rain showers before 2am. Cloudy. Low around 42, with temperatures rising to around 44 overnight. Northwest wind 13 to 16 mph, with gusts as high as 24 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 |
|---|---|---|---|---|
| Tonight | 42°F | Rain Showers | 13 to 16 mph NW | 77% |
| Wednesday | 50°F | Slight Chance Rain Showers | 13 to 17 mph W | 24% |
| Wednesday Night | 40°F | Mostly Cloudy then Chance Rain Showers | 8 to 12 mph W | 30% |
| Thursday | 51°F | Rain Showers Likely | 12 mph NW | 55% |
| Thursday Night | 37°F | Mostly Cloudy | 3 to 8 mph N | 8% |
| Friday | 51°F | Partly Sunny | 1 to 5 mph N | 2% |
| Friday Night | 34°F | Mostly Cloudy | 1 mph N | 0% |
| Saturday | 56°F | Mostly Sunny | 0 to 5 mph W | 2% |
| Saturday Night | 37°F | Mostly Clear | 2 mph W | 4% |
| Sunday | 61°F | Sunny | 2 to 6 mph W | 6% |
| Sunday Night | 40°F | Mostly Clear | 5 mph SW | 0% |
| Monday | 64°F | Sunny | 5 to 12 mph WSW | 0% |
| Monday Night | 41°F | Mostly Clear | 5 mph NW | 0% |
| Tuesday | 63°F | Mostly Sunny | 2 to 6 mph WNW | 1% |
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 Nov 4, 2026.