Richfield, WI Weather & Growing Conditions
Today
83°F
Mostly Sunny
Mostly sunny, with a high near 83. Southwest wind around 10 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Mostly Sunny | 10 mph SW | 13% |
| Tonight | 63°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 to 10 mph W | 87% |
| Wednesday | 75°F | Patchy Fog then Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 62% |
| Wednesday Night | 59°F | Chance Showers And Thunderstorms | 0 mph | 37% |
| Thursday | 79°F | Slight Chance Rain Showers then Mostly Sunny | 0 to 5 mph NE | 16% |
| Thursday Night | 59°F | Mostly Clear | 0 to 5 mph SW | 7% |
| Friday | 82°F | Sunny | 0 to 5 mph SW | 1% |
| Friday Night | 63°F | Mostly Clear | 0 to 5 mph SW | 6% |
| Saturday | 84°F | Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 15% |
| Saturday Night | 67°F | Slight Chance Showers And Thunderstorms | 5 mph SW | 29% |
| Sunday | 85°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 29% |
| Sunday Night | 66°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 mph SW | 52% |
| Monday | 82°F | Chance Rain Showers | 0 to 5 mph SW | 41% |
| Monday Night | 65°F | Chance Showers And Thunderstorms | 0 to 5 mph N | 43% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Richfield, WI
Last spring frost
Apr 30
First fall frost
Oct 15
Growing season
167 days
Hardiness zone
5b
Explore more for Richfield, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Jackson, Wi (4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.