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Davenport, IA Weather on August 27

August 27th in Davenport, IA typically brings warm summer weather, with average highs around 83°F and lows near 66°F. Over 55 years of records, the warmest August 27th was in 1990 (87°F average), while the coldest was 1986 (58°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 38% of August 27th dates historically, with the wettest August 27th recording 1.4" of rain. The last decade has been 1.2°F cooler on this date compared to 20-30 years ago.

By Weather On This Day|
Avg High
83°F
Avg Low
66°F
Record High
96°F
2013
Record Low
49°F
2025
Davenport, IA on August 27 — Temperature History40°F60°F80°F100°F19801990200020102020HighLow

What to Expect on August 27

Planning for August 27th in Davenport, IA? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.

August 27 Weather Records for Davenport

  • The all-time record high for August 27th in Davenport, IA is 96°F, set in 2013.
  • The coldest August 27th on record dropped to 49°F in 2025.
  • Temperatures have reached 90°F or higher on August 27th in 15 of the last 55 years.
  • Last year (1971), August 27th was 7°F cooler than the long-term average.

Frequently Asked Questions

What was the warmest August 27 ever in Davenport?

The warmest August 27 in Davenport, IA reached 96°F in 2013. That is 13°F above the long-term average high of 83°F.

What was the coldest August 27 ever in Davenport?

The coldest August 27 in Davenport, IA dropped to 49°F in 2025. That is 17°F below the long-term average low of 66°F.

What is the average temperature on August 27 in Davenport?

On August 27, Davenport averages a high of 83°F and a low of 66°F based on 55 years of NOAA weather observations from DAVENPORT L&D 15.

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

We have 55 years of weather records for August 27 in Davenport, IA, 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 Davenport

YearHighLowPrecipSnow
202574°F49°F0.07"--
2024--70°F0.28"--
202378°F59°F0"--
202288°F64°F0"--
202193°F74°F0"--
202094°F74°F0"--
201977°F64°F0"--
201891°F76°F0"--
201773°F64°F0.05"--
201685°F65°F0.03"--
201576°F57°F0"--
201481°F68°F0"--
201396°F70°F0"--
201287°F66°F0"--
201185°F68°F0"--
201084°F64°F0"--
200969°F61°F1.4"--
200879°F59°F0"--
200786°F65°F0"--
200680°F70°F1.04"--
200586°F67°F0.07"--
200483°F71°F0.17"--
200396°F76°F0"--
200283°F66°F0"--
200185°F68°F0"--
200082°F68°F0.01"--
199988°F68°F0"--
199877°F67°F0.01"--
199777°F68°F0.4"--
199677°F65°F0"--
199593°F75°F0"--
199492°F68°F0"--
199391°F75°F0"--
199267°F56°F0.38"--
199191°F77°F0"--
199095°F78°F0"--
198985°F71°F0.42"--
198868°F57°F0.06"--
198764°F60°F0.05"--
198666°F50°F0.21"--
198581°F60°F0"--
198490°F66°F0.5"--
198385°F74°F0"--
198273°F58°F0"--
198183°F67°F0.1"--
198091°F70°F0"--
197982°F64°F0"--
197881°F67°F0.76"--
197792°F75°F0.25"--
197694°F70°F0"--
197580°F64°F0"--
197477°F63°F0.2"--
197395°F74°F0"--
197281°F65°F0"--
197176°F54°F0"--

Based on 55 years of data from NOAA station: DAVENPORT L&D 15

Monthly Climate Averages

Historical temperature and precipitation averages for Davenport, IA, based on 55+ years of weather data.

Warmest MonthJulyAvg High: 85°F / Low: 66°F
Coldest MonthJanuaryAvg High: 30°F / Low: 14°F
Jan
30°/ 14°
💧 0.2"
❄️ 1.5"
Feb
36°/ 19°
💧 0.2"
❄️ 1.4"
Mar
49°/ 30°
💧 0.3"
❄️ 1.5"
Apr
62°/ 41°
💧 0.3"
❄️ 1.6"
May
73°/ 52°
💧 0.4"
Jun
82°/ 62°
💧 0.5"
Jul
85°/ 66°
💧 0.5"
Aug
83°/ 64°
💧 0.4"
Sep
77°/ 56°
💧 0.4"
Oct
64°/ 44°
💧 0.3"
❄️ 1.0"
Nov
49°/ 32°
💧 0.3"
❄️ 1.5"
Dec
36°/ 21°
💧 0.2"
❄️ 1.4"

Temperatures in Fahrenheit. Precipitation and snowfall in inches.

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