Rock Rapids, IA Weather & Growing Conditions
This Afternoon
53°F
Rain Showers
Rain showers. Cloudy. High near 53, with temperatures falling to around 47 in the afternoon. North northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 53°F | Rain Showers | 15 mph NNW | 100% |
| Tonight | 39°F | Rain Showers | 15 mph NNW | 99% |
| Wednesday | 46°F | Rain Showers | 15 mph NW | 89% |
| Wednesday Night | 37°F | Rain Showers Likely | 10 to 15 mph NW | 64% |
| Thursday | 47°F | Slight Chance Rain Showers then Mostly Cloudy | 10 mph NNW | 16% |
| Thursday Night | 32°F | Mostly Cloudy | 0 to 10 mph N | 0% |
| Friday | 47°F | Partly Sunny | 0 mph | 0% |
| Friday Night | 30°F | Mostly Cloudy | 0 mph | 1% |
| Saturday | 55°F | Mostly Sunny | 0 to 5 mph WSW | 2% |
| Saturday Night | 34°F | Mostly Clear | 0 to 5 mph W | 4% |
| Sunday | 58°F | Sunny | 0 to 5 mph WSW | 3% |
| Sunday Night | 37°F | Mostly Clear | 5 mph S | 1% |
| Monday | 60°F | Sunny | 5 to 10 mph WSW | 0% |
| Monday Night | 37°F | Mostly Clear | 0 to 5 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Rock Rapids, IA
Last spring frost
May 1
First fall frost
Oct 4
Growing season
156 days
Hardiness zone
5a
Explore more for Rock Rapids, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Rock Rapids, Ia (0.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.