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Rockford, IL Weather on August 25

August 25th in Rockford, IL typically brings warm summer weather, with average highs around 82°F and lows near 62°F. Over 55 years of records, the warmest August 25th was in 2020 (83°F average), while the coldest was 1987 (57°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 40% of August 25th dates historically, with the wettest August 25th recording 4.22" of rain. The last decade has been 1.5°F warmer on this date compared to 20-30 years ago.

By Weather On This Day|
Avg High
82°F
Avg Low
62°F
Record High
97°F
2003
Record Low
47°F
2017
Rockford, IL on August 25 — Temperature History40°F60°F80°F100°F19801990200020102020HighLow

What to Expect on August 25

Planning for August 25th in Rockford, IL? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.

August 25 Weather Records for Rockford

  • The all-time record high for August 25th in Rockford, IL is 97°F, set in 2003.
  • The coldest August 25th on record dropped to 47°F in 2017.
  • Temperatures have reached 90°F or higher on August 25th in 6 of the last 55 years.

Frequently Asked Questions

What was the warmest August 25 ever in Rockford?

The warmest August 25 in Rockford, IL reached 97°F in 2003. That is 15°F above the long-term average high of 82°F.

What was the coldest August 25 ever in Rockford?

The coldest August 25 in Rockford, IL dropped to 47°F in 2017. That is 15°F below the long-term average low of 62°F.

What is the average temperature on August 25 in Rockford?

On August 25, Rockford averages a high of 82°F and a low of 62°F based on 55 years of NOAA weather observations from ROCKFORD GTR ROCKFORD AP.

How many years of weather data are available for August 25 in Rockford?

We have 55 years of weather records for August 25 in Rockford, IL, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.

August 25 Weather History in Rockford

YearHighLowPrecipSnow
202570°F50°F0"--
202490°F70°F0"--
202384°F70°F0"--
202283°F68°F0.49"--
202190°F68°F0"--
202095°F71°F0"--
201977°F59°F0.12"--
201885°F66°F0.02"--
201775°F47°F0"--
201681°F66°F0.2"--
201574°F53°F0"--
201483°F67°F0.83"--
201389°F65°F0"--
201292°F63°F0"--
201181°F60°F0"--
201078°F54°F0"--
200982°F57°F0.26"--
200878°F56°F0"--
200780°F62°F0.05"--
200684°F66°F1.65"--
200575°F63°F0"--
200475°F64°F0.07"--
200397°F67°F0"--
200285°F61°F0"--
200180°F69°F0.41"--
200082°F57°F0"--
199980°F62°F0"--
199883°F63°F0.01"--
199773°F57°F0"--
199681°F55°F0"--
199584°F68°F0"--
199487°F64°F0"--
199389°F66°F0.2"--
199289°F66°F0.7"--
199195°F66°F0"--
199085°F69°F0.15"--
198979°F62°F0"--
198880°F55°F0"--
198759°F55°F0.72"--
198685°F61°F0.03"--
198574°F59°F0.02"--
198478°F50°F0"--
198386°F72°F0.62"--
198277°F52°F0"--
198183°F67°F0.62"--
198085°F61°F0"--
197978°F53°F0"--
197879°F67°F0"--
197776°F47°F0"--
197687°F64°F0.5"--
197579°F66°F0.42"--
197481°F52°F0"--
197385°F67°F0"--
197282°F66°F4.22"--
197185°F56°F0"--

Based on 55 years of data from NOAA station: ROCKFORD GTR ROCKFORD AP

Monthly Climate Averages

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

Warmest MonthJulyAvg High: 84°F / Low: 63°F
Coldest MonthJanuaryAvg High: 28°F / Low: 12°F
Jan
28°/ 12°
💧 0.1"
❄️ 1.4"
Feb
33°/ 16°
💧 0.2"
❄️ 1.5"
Mar
45°/ 27°
💧 0.3"
❄️ 1.5"
Apr
59°/ 37°
💧 0.3"
❄️ 1.2"
May
71°/ 48°
💧 0.3"
❄️ 0.2"
Jun
80°/ 58°
💧 0.5"
Jul
84°/ 63°
💧 0.4"
Aug
82°/ 61°
💧 0.5"
Sep
75°/ 53°
💧 0.4"
Oct
62°/ 41°
💧 0.3"
❄️ 1.0"
Nov
47°/ 30°
💧 0.3"
❄️ 1.4"
Dec
33°/ 18°
💧 0.2"
❄️ 1.5"

Temperatures in Fahrenheit. Precipitation and snowfall in inches.

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