Renwick, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Renwick, a city in Humboldt County, Iowa.
This Afternoon
68°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms before 4pm. Cloudy. High near 68, with temperatures falling to around 64 in the afternoon. North wind around 9 mph. Chance of precipitation is 20%.
7-day forecast for Renwick
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Slight Chance Showers And Thunderstorms | 9 mph N | 20% |
| Tonight | 58°F | Cloudy then Slight Chance Drizzle | 8 to 13 mph NNE | 15% |
| Sunday | 67°F | Slight Chance Drizzle | 15 mph NE | 24% |
| Sunday Night | 51°F | Chance Drizzle then Chance Rain Showers | 13 mph ENE | 49% |
| Monday | 58°F | Rain Showers Likely | 10 to 14 mph ENE | 69% |
| Monday Night | 47°F | Rain Showers Likely | 9 mph NE | 69% |
| Tuesday | 61°F | Partly Sunny | 8 mph ENE | 9% |
| Tuesday Night | 44°F | Partly Cloudy | 6 mph E | 1% |
| Wednesday | 66°F | Mostly Sunny | 6 mph ESE | 1% |
| Wednesday Night | 49°F | Partly Cloudy | 5 mph SE | 11% |
| Thursday | 68°F | Chance Rain Showers | 3 to 7 mph SE | 32% |
| Thursday Night | 54°F | Slight Chance Rain Showers | 3 mph SE | 21% |
| Friday | 71°F | Slight Chance Rain Showers then Mostly Cloudy | 6 mph ESE | 18% |
| Friday Night | 56°F | Mostly Cloudy | 6 mph SE | 12% |
Forecast source: National Weather Service (api.weather.gov) for Renwick (42.827, -93.981). Updated through the day.
Growing snapshot for Renwick
Last spring frost
Apr 26
First fall frost
Oct 12
Growing season
169 days
Hardiness zone
5a
More local growing data for Renwick: nearby ZIP 50577 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Dakota City, Ia (14.3 mi from Renwick). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.