Greenfield, WI Weather

Greenfield, WI climate is warm during summer when temperatures tend to be in the 70's and very cold during winter when temperatures tend to be in the 20's.

The warmest month of the year is July with an average maximum temperature of 81.90 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 12.70 degrees Fahrenheit.

Temperature variations between night and day tend to be fairly limited during summer with a difference that can reach 16 degrees Fahrenheit, and fairly limited during winter with an average difference of 14 degrees Fahrenheit.

The annual average precipitation at Greenfield is 33.86 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is August with an average rainfall of 3.93 Inches.

Weather Data

Current Conditions

(Updated: 8:52 AM CST WED NOV 25 2009)

Light Rain, 47°F	Humidity: 97%	Dewpoint: 46°F
	Wind Speed: W 8.1 MPH (7 KT)	Heat Index: 47°F
	Barometer: 29.67 in.	Wind Chill: 43°F

Weather Forecast

(Generated: 3:04 AM CST WED NOV 25 2009)

	Hi: 50°F	Today: Periods of light rain in the morning...Then light rain showers likely and areas of drizzle in the late morning and afternoon. Highs around 50. West winds 10 to 15 mph. Chance of precipitation 90 percent.
	Lo: 39°F
	Hi: 41°F	Thanksgiving day: Cloudy. Rain likely in the morning...Then chance of light rain and light snow late in the morning. Little or no snow accumulation. Highs in the lower 40s. Northwest winds 15 to 20 mph. Chance of precipitation 60 percent.
	Lo: 31°F
	Hi: 45°F	Friday: Partly sunny. Highs in the mid 40s. West winds around 10 mph.
	Lo: 31°F
	Hi: 49°F	Saturday: Sunny. Highs in the upper 40s.
	Lo: 35°F
	Hi: 45°F	Sunday: Partly sunny with a 20 percent chance of light rain. Highs in the mid 40s.
	Lo: 31°F
	Hi: 41°F	Monday: Partly sunny with a 20 percent chance of light snow. Highs in the lower 40s.
	Lo: 31°F

Moon, Sunrise and Sunset

	Moon Phase: Waxing Gibbous Moon	Civil Twilight: 6:24 AM CST	Sunrise: 6:55 AM CST
		Sunset: 4:21 PM CST	Civil Twilight: 4:52 PM CST

Normal Climate

Normal Temperatures

(WEST ALLIS Weather station, 4.10 miles from Greenfield)

Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Max °F	27.1	31.8	41.9	54.0	67.2	77.2	81.9	80.0	73.0	60.9	45.9	32.9	56.2
Mean °F	19.9	24.7	34.5	46.1	58.6	68.3	73.8	72.0	64.0	52.3	38.5	26.1	48.2
Min °F	12.7	17.5	27.1	38.2	49.9	59.3	65.6	64.0	54.9	43.7	31.0	19.3	40.3

Normal Precipitation