Rock Rapids, IA Weather & Growing Conditions
This Afternoon
74°F
Cloudy
Cloudy, with a high near 74. East southeast wind around 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 74°F | Cloudy | 10 mph ESE | 13% |
| Tonight | 61°F | Patchy Fog | 5 to 10 mph NE | 23% |
| Saturday | 69°F | Patchy Fog then Cloudy | 5 to 10 mph NNE | 24% |
| Saturday Night | 55°F | Mostly Cloudy | 10 mph NNE | 4% |
| Sunday | 65°F | Mostly Cloudy then Slight Chance Rain Showers | 10 to 15 mph NE | 19% |
| Sunday Night | 51°F | Rain Showers Likely | 5 to 10 mph ENE | 56% |
| Monday | 60°F | Rain Showers Likely | 10 mph ENE | 56% |
| Monday Night | 47°F | Chance Rain Showers then Mostly Cloudy | 5 mph ENE | 38% |
| Tuesday | 63°F | Partly Sunny | 5 mph E | 8% |
| Tuesday Night | 46°F | Partly Cloudy | 0 to 5 mph SE | 0% |
| Wednesday | 67°F | Mostly Sunny | 0 to 10 mph SSE | 8% |
| Wednesday Night | 50°F | Mostly Cloudy then Chance Rain Showers | 5 mph SSE | 32% |
| Thursday | 68°F | Chance Rain Showers | 5 mph SSE | 32% |
| Thursday Night | 52°F | Mostly Cloudy | 0 to 5 mph SE | 11% |
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 Sep 19, 2026.