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Green Bay, WI Weather on August 27

August 27th in Green Bay, WI typically brings pleasant summer weather, with average highs around 78°F and lows near 58°F. Over 55 years of records, the warmest August 27th was in 1973 (82°F average), while the coldest was 1986 (51°F) — a 31°F range across recorded history. Rain or other precipitation has occurred on about 45% of August 27th dates historically, with the wettest August 27th recording 1.81" of rain. Temperatures on this date have remained relatively stable over the past several decades.

By Weather On This Day|
Avg High
78°F
Avg Low
58°F
Record High
98°F
1976
Record Low
42°F
1986
Green Bay, WI on August 27 — Temperature History40°F60°F80°F100°F19801990200020102020HighLow

What to Expect on August 27

Planning for August 27th in Green Bay, WI? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.

August 27 Weather Records for Green Bay

  • The all-time record high for August 27th in Green Bay, WI is 98°F, set in 1976.
  • The coldest August 27th on record dropped to 42°F in 1986.
  • Temperatures have reached 90°F or higher on August 27th in 5 of the last 55 years.
  • Last year (1971), August 27th was 5°F cooler than the long-term average.

Frequently Asked Questions

What was the warmest August 27 ever in Green Bay?

The warmest August 27 in Green Bay, WI reached 98°F in 1976. That is 20°F above the long-term average high of 78°F.

What was the coldest August 27 ever in Green Bay?

The coldest August 27 in Green Bay, WI dropped to 42°F in 1986. That is 16°F below the long-term average low of 58°F.

What is the average temperature on August 27 in Green Bay?

On August 27, Green Bay averages a high of 78°F and a low of 58°F based on 55 years of NOAA weather observations from GREEN BAY.

How many years of weather data are available for August 27 in Green Bay?

We have 55 years of weather records for August 27 in Green Bay, WI, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.

August 27 Weather History in Green Bay

YearHighLowPrecipSnow
202577°F43°F0.01"--
202483°F69°F0.96"--
202375°F49°F0"--
202275°F54°F0.19"--
202177°F65°F1.69"--
202086°F70°F0.75"--
201976°F59°F0.15"--
201884°F67°F1.05"--
201768°F59°F0.15"--
201666°F61°F0.16"--
201575°F47°F0"--
201475°F55°F0"--
201389°F71°F0.35"--
201282°F61°F0"--
201179°F55°F0"--
201084°F54°F0"--
200971°F51°F0"--
200884°F50°F0"--
200777°F57°F0.06"--
200679°F56°F0"--
200580°F62°F0.2"--
200482°F63°F0.64"--
200377°F55°F0"--
200272°F58°F0"--
200181°F58°F0.05"--
200077°F58°F0"--
199987°F59°F0"--
199883°F54°F0.02"--
199784°F57°F0"--
199672°F46°F0"--
199574°F65°F0.01"--
199484°F66°F0"--
199386°F64°F0.36"--
199264°F50°F0"--
199191°F64°F0"--
199090°F67°F0"--
198987°F66°F0"--
198866°F55°F0.41"--
198771°F56°F0"--
198660°F42°F0"--
198580°F54°F0"--
198483°F64°F0.76"--
198386°F63°F0"--
198266°F49°F0"--
198168°F65°F0.17"--
198067°F55°F0.2"--
197967°F59°F1.81"--
197878°F65°F1.03"--
197791°F74°F0.01"--
197698°F62°F0"--
197576°F48°F0"--
197474°F53°F0"--
197396°F68°F0"--
197281°F60°F0.39"--
197173°F48°F0"--

Based on 55 years of data from NOAA station: GREEN BAY

Monthly Climate Averages

Historical temperature and precipitation averages for Green Bay, WI, based on 55+ years of weather data.

Warmest MonthJulyAvg High: 81°F / Low: 60°F
Coldest MonthJanuaryAvg High: 25°F / Low: 10°F
Jan
25°/ 10°
💧 0.1"
❄️ 1.4"
Feb
29°/ 12°
💧 0.1"
❄️ 1.6"
Mar
41°/ 23°
💧 0.2"
❄️ 1.6"
Apr
54°/ 34°
💧 0.3"
❄️ 1.6"
May
67°/ 45°
💧 0.3"
❄️ 1.3"
Jun
77°/ 55°
💧 0.3"
Jul
81°/ 60°
💧 0.3"
Aug
79°/ 58°
💧 0.4"
Sep
72°/ 50°
💧 0.3"
Oct
59°/ 39°
💧 0.3"
❄️ 1.0"
Nov
44°/ 28°
💧 0.2"
❄️ 1.1"
Dec
31°/ 16°
💧 0.2"
❄️ 1.6"

Temperatures in Fahrenheit. Precipitation and snowfall in inches.

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