Renwick, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Renwick, a city in Humboldt County, Iowa.
Overnight
65°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 3am, then patchy fog and a chance of showers and thunderstorms. Cloudy. Low around 65, with temperatures rising to around 67 overnight. South southeast wind around 7 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Renwick
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 65°F | Chance Showers And Thunderstorms | 7 mph SSE | 43% |
| Saturday | 73°F | Patchy Fog | 6 to 9 mph NW | 42% |
| Saturday Night | 58°F | Slight Chance Rain Showers | 13 mph NNE | 19% |
| Sunday | 66°F | Mostly Cloudy then Slight Chance Drizzle | 15 mph NE | 21% |
| Sunday Night | 52°F | Chance Rain Showers | 12 mph ENE | 38% |
| Monday | 61°F | Chance Rain Showers | 9 to 13 mph ENE | 49% |
| Monday Night | 47°F | Chance Rain Showers | 6 to 9 mph ENE | 36% |
| Tuesday | 61°F | Mostly Sunny | 8 mph ENE | 9% |
| Tuesday Night | 44°F | Mostly Clear | 6 mph E | 0% |
| Wednesday | 66°F | Sunny | 5 mph ESE | 1% |
| Wednesday Night | 48°F | Partly Cloudy then Slight Chance Rain Showers | 3 mph ESE | 15% |
| Thursday | 67°F | Slight Chance Rain Showers then Partly Sunny | 6 mph SE | 15% |
| Thursday Night | 52°F | Mostly Cloudy | 3 mph SE | 6% |
| Friday | 70°F | Partly Sunny | 3 to 7 mph SE | 6% |
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.