Red Oak, IA Weather & Growing Conditions
Today
85°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms between 7am and 8am, then a chance of showers and thunderstorms between 8am and 4pm, then a chance of showers and thunderstorms. Partly sunny. High near 85, with temperatures falling to around 82 in the afternoon. North northeast wind 2 to 12 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Chance Showers And Thunderstorms | 2 to 12 mph NNE | 47% |
| Tonight | 63°F | Chance Showers And Thunderstorms then Patchy Smoke | 8 to 13 mph NE | 89% |
| Wednesday | 74°F | Showers And Thunderstorms | 10 mph NE | 86% |
| Wednesday Night | 58°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 to 9 mph NE | 36% |
| Thursday | 82°F | Mostly Sunny | 5 mph E | 2% |
| Thursday Night | 63°F | Mostly Clear | 5 mph SE | 12% |
| Friday | 86°F | Mostly Sunny | 5 to 9 mph S | 12% |
| Friday Night | 68°F | Mostly Clear | 7 mph S | 7% |
| Saturday | 91°F | Sunny | 5 to 14 mph S | 1% |
| Saturday Night | 73°F | Mostly Clear | 14 mph S | 9% |
| Sunday | 92°F | Mostly Sunny | 10 to 14 mph S | 9% |
| Sunday Night | 73°F | Slight Chance Showers And Thunderstorms | 15 mph SSE | 17% |
| Monday | 93°F | Mostly Sunny | 13 to 16 mph S | 13% |
| Monday Night | 73°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 12 to 15 mph SSE | 23% |
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 Aug 4, 2026.