Wisconsin · NWS MKX office

Greenfield, WI weather

It is 57°F and clear at Milwaukee, General Mitchell International Airport as of Oct 28, 1:15 AM CDT. Overnight: Partly Cloudy, low near 50°F, 1% chance of precipitation. Forecast from the National Weather Service, issued Oct 28, 12:31 AM CDT.

Updated Oct 28, 1:25 AM CDT (snapshot)

Current conditions

Temperature

57°F

Clear

Wind

SSW 5 mph

Humidity 82% · dew point 52°F

Pressure · visibility

30.17 inHg

Visibility 10 mi

Observed at Milwaukee, General Mitchell International Airport (KMKE), Oct 28, 1:15 AM CDT. Station readings can lag or be missing.

Alerts for this area

No active NWS alerts cover the Greenfield forecast zone right now.

Around the NWS MKX forecast area

No active alerts in zones served by the MKX office near Greenfield.

From the alert snapshot of Oct 28, 2026, 2:15 AM EDT. No alerts are active anywhere in Wisconsin.

For official warnings, check weather.gov and your local authorities. OpenForecast repeats National Weather Service alerts and may be delayed or incomplete. Follow instructions from emergency officials.

Next 24 hours

Hourly forecast for Greenfield (local time)
TimeTempForecastPrecip. chanceWind
Wed 1 AM56°FMostly Cloudy1%S 5 mph
Wed 2 AM54°FPartly Cloudy1%S 5 mph
Wed 3 AM54°FMostly Clear0%SW 5 mph
Wed 4 AM53°FMostly Clear0%SW 5 mph
Wed 5 AM51°FClear1%SW 5 mph
Wed 6 AM50°FSunny1%SW 5 mph
Wed 7 AM51°FSunny0%SW 5 mph
Wed 8 AM52°FSunny0%SW 5 mph
Wed 9 AM55°FSunny0%SW 5 mph
Wed 10 AM61°FSunny0%SW 5 mph
Wed 11 AM65°FSunny0%SW 5 mph
Wed 12 PM69°FSunny0%S 10 mph
Wed 1 PM72°FSunny0%S 10 mph
Wed 2 PM73°FSunny0%S 10 mph
Wed 3 PM73°FSunny0%S 10 mph
Wed 4 PM73°FSunny0%S 10 mph
Wed 5 PM71°FSunny0%S 10 mph
Wed 6 PM68°FMostly Clear0%S 10 mph
Wed 7 PM66°FMostly Clear0%S 10 mph
Wed 8 PM63°FMostly Clear0%S 10 mph
Wed 9 PM63°FMostly Clear0%S 10 mph
Wed 10 PM63°FMostly Clear0%S 10 mph
Wed 11 PM63°FPartly Cloudy3%S 10 mph
Thu 12 AM63°FPartly Cloudy2%SW 10 mph

Hourly values come from the NWS gridded forecast for the 2.5 km grid square that covers the city's center point. Conditions elsewhere in Greenfield can differ.

7-day forecast

Overnight

Low 50°F

Partly cloudy, with a low around 50. Southwest wind around 5 mph.

Wednesday

High 73°F·Low 58°F

Sunny, with a high near 73. Southwest wind 5 to 10 mph.

Wednesday Night: A slight chance of showers and thunderstorms between 1am and 2am, then a chance of showers and thunderstorms between 2am and 5am, then a slight chance of showers and thunderstorms. Partly cloudy, with a low around 58. Southwest wind 10 to 15 mph. Chance of precipitation is 40%.

Thursday

High 69°F·Low 42°F

A slight chance of showers and thunderstorms before 7am. Mostly sunny. High near 69, with temperatures falling to around 64 in the afternoon. West wind around 10 mph. Chance of precipitation is 20%.

Thursday Night: Mostly clear, with a low around 42. Northwest wind 0 to 5 mph.

Friday

High 59°F·Low 48°F

Partly sunny, with a high near 59. Northeast wind 0 to 5 mph.

Friday Night: A slight chance of rain showers after 7pm. Mostly cloudy, with a low around 48. East wind 0 to 5 mph. Chance of precipitation is 20%.

Saturday

High 61°F·Low 50°F

A chance of rain showers. Mostly cloudy, with a high near 61. East wind 5 to 10 mph. Chance of precipitation is 40%.

Saturday Night: A chance of rain showers. Cloudy, with a low around 50. Chance of precipitation is 30%.

Sunday

High 64°F·Low 51°F

A chance of rain showers. Mostly cloudy, with a high near 64. Chance of precipitation is 30%.

Sunday Night: A slight chance of rain showers. Mostly cloudy, with a low around 51. Chance of precipitation is 20%.

Monday

High 64°F·Low 49°F

A chance of rain showers. Partly sunny, with a high near 64. Chance of precipitation is 40%.

Monday Night: A chance of rain showers. Mostly cloudy, with a low around 49. Chance of precipitation is 50%.

Tuesday

High 60°F

A chance of rain showers. Mostly cloudy, with a high near 60. Chance of precipitation is 50%.

Nearby cities

Larger cities in the area

Other cities in Milwaukee County

See every city we cover in Wisconsin, or check all active alerts.

About this forecast

Forecast office
Greenfield is served by the National Weather Service MKX forecast office, forecast zone WIZ066, county zone WIC079.
Location used
The Census Bureau's internal point for Greenfield (42.9606, -88.0057), in Milwaukee County. Population: 37,232 (2024 estimate), number 22 of the 42 Wisconsin cities on this site.
Radar
Nearest NWS radar: KMKX. View it on radar.weather.gov.

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Sources

  • Forecast, hourly forecast, observations and alerts: National Weather Service API, api.weather.gov/points/42.9606,-88.0057 (forecast issued Oct 28, 12:31 AM CDT).
  • Official forecast page: forecast.weather.gov.
  • City location and population: U.S. Census Bureau, Vintage 2024 population estimates and 2024 Gazetteer files.
  • Snapshot taken Oct 28, 2026. The NWS and Census Bureau do not endorse OpenForecast.

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