River Hills, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for River Hills, a village in Milwaukee County, Wisconsin.
This Afternoon
69°F
Rain Showers Likely
Rain showers likely. Cloudy. High near 69, with temperatures falling to around 64 in the afternoon. South wind around 15 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for River Hills
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 69°F | Rain Showers Likely | 15 mph S | 60% |
| Tonight | 57°F | Rain Showers | 10 to 15 mph S | 84% |
| Wednesday | 63°F | Rain Showers | 10 to 15 mph S | 83% |
| Wednesday Night | 46°F | Slight Chance Rain Showers then Chance Light Rain | 10 mph SW | 28% |
| Thursday | 54°F | Light Rain Likely | 5 to 10 mph W | 61% |
| Thursday Night | 39°F | Light Rain Likely | 5 to 10 mph NW | 61% |
| Friday | 50°F | Chance Light Rain | 15 to 20 mph N | 31% |
| Friday Night | 35°F | Mostly Cloudy | 5 to 10 mph N | 11% |
| Saturday | 51°F | Mostly Sunny | 5 mph NW | 4% |
| Saturday Night | 35°F | Partly Cloudy | 0 to 5 mph W | 8% |
| Sunday | 56°F | Mostly Sunny then Slight Chance Light Rain | 5 to 10 mph W | 18% |
| Sunday Night | 37°F | Partly Cloudy | 5 mph W | 7% |
| Monday | 58°F | Mostly Sunny | 5 to 15 mph W | 3% |
| Monday Night | 40°F | Partly Cloudy | 5 to 10 mph W | 2% |
Forecast source: National Weather Service (api.weather.gov) for River Hills (43.173, -87.934). Updated through the day.
Growing snapshot for River Hills
Last spring frost
Apr 26
First fall frost
Oct 18
Growing season
173 days
Hardiness zone
6a
More local growing data for River Hills: nearby ZIP 53217 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Bayside
Brown Deer
Cudahy
Fox Point
Franklin
Glendale
Greendale
Greenfield
Hales Corners
Milwaukee
Oak Creek
Shorewood
South Milwaukee
St. Francis
Wauwatosa
West Allis
West Milwaukee
Whitefish Bay
Climate data from the nearest NOAA station, Mt Mary College, Wi (8.3 mi from River Hills). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.