Renwick, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Renwick, a city in Humboldt County, Iowa.
Overnight
44°F
Rain Showers
Rain showers. Cloudy, with a low around 44. Northwest wind around 15 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Renwick
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 44°F | Rain Showers | 15 mph NW | 76% |
| Wednesday | 49°F | Rain Showers Likely | 15 to 18 mph W | 55% |
| Wednesday Night | 41°F | Rain Showers Likely | 15 mph WNW | 55% |
| Thursday | 50°F | Chance Rain Showers then Cloudy | 13 to 17 mph NNW | 33% |
| Thursday Night | 35°F | Mostly Cloudy | 6 to 12 mph N | 3% |
| Friday | 48°F | Mostly Sunny | 2 to 6 mph N | 3% |
| Friday Night | 28°F | Partly Cloudy | 2 mph NNE | 0% |
| Saturday | 51°F | Mostly Sunny | 1 to 6 mph SW | 0% |
| Saturday Night | 34°F | Mostly Clear | 5 mph W | 1% |
| Sunday | 56°F | Sunny | 7 mph W | 1% |
| Sunday Night | 36°F | Mostly Clear | 6 mph SW | 0% |
| Monday | 63°F | Sunny | 6 to 10 mph SW | 0% |
| Monday Night | 39°F | Mostly Clear | 6 mph WNW | 0% |
| Tuesday | 60°F | Mostly Sunny | 5 mph NW | 0% |
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 Nov 4, 2026.