Renwick, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Renwick, a city in Humboldt County, Iowa.
Today
77°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Mostly cloudy. High near 77, with temperatures falling to around 73 in the afternoon. North northwest wind around 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Renwick
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 77°F | Showers And Thunderstorms Likely | 10 mph NNW | 69% |
| Tonight | 57°F | Showers And Thunderstorms Likely | 2 to 8 mph N | 61% |
| Wednesday | 76°F | Partly Sunny | 5 mph NNE | 4% |
| Wednesday Night | 52°F | Mostly Clear | 3 mph SE | 2% |
| Thursday | 81°F | Sunny | 1 to 7 mph S | 2% |
| Thursday Night | 59°F | Mostly Clear | 8 mph S | 1% |
| Friday | 84°F | Sunny | 6 to 13 mph S | 8% |
| Friday Night | 64°F | Chance Showers And Thunderstorms | 7 to 13 mph S | 26% |
| Saturday | 88°F | Slight Chance Showers And Thunderstorms then Sunny | 6 to 15 mph S | 15% |
| Saturday Night | 69°F | Slight Chance Showers And Thunderstorms | 10 to 16 mph SE | 24% |
| Sunday | 87°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 13 mph SE | 24% |
| Sunday Night | 68°F | Slight Chance Showers And Thunderstorms | 8 to 12 mph SE | 32% |
| Monday | 86°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 12 to 15 mph ESE | 32% |
| Monday Night | 67°F | Slight Chance Showers And Thunderstorms | 9 to 16 mph ENE | 33% |
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 Aug 4, 2026.