Red Oak, IA Weather & Growing Conditions
Overnight
43°F
Cloudy
Cloudy. Low around 43, with temperatures rising to around 45 overnight. Northwest wind around 14 mph, with gusts as high as 23 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 43°F | Cloudy | 14 mph NW | 7% |
| Wednesday | 52°F | Slight Chance Rain Showers then Mostly Cloudy | 12 to 15 mph WNW | 16% |
| Wednesday Night | 41°F | Mostly Cloudy then Slight Chance Rain Showers | 10 mph W | 17% |
| Thursday | 53°F | Slight Chance Rain Showers then Mostly Cloudy | 9 to 13 mph NW | 24% |
| Thursday Night | 39°F | Mostly Cloudy | 5 to 9 mph NNW | 3% |
| Friday | 52°F | Partly Sunny | 6 mph N | 2% |
| Friday Night | 32°F | Partly Cloudy | 2 mph E | 0% |
| Saturday | 54°F | Mostly Sunny | 1 to 6 mph S | 0% |
| Saturday Night | 36°F | Mostly Clear | 3 mph WSW | 0% |
| Sunday | 60°F | Sunny | 2 to 6 mph WSW | 0% |
| Sunday Night | 39°F | Clear | 3 mph SSW | 0% |
| Monday | 66°F | Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 41°F | Mostly Clear | 6 mph WNW | 0% |
| Tuesday | 65°F | Sunny | 6 mph N | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Red Oak, IA
Last spring frost
Apr 24
First fall frost
Oct 13
Growing season
169 days
Hardiness zone
5b
Explore more for Red Oak, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Red Oak, Ia (1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.