Weather on August 26

Rockford, IL

55 Years of Data

Avg High
82°F
Avg Low
62°F
Warmest
1973
82°F avg
Coldest
2025
60°F avg

About This Date

August 26th 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 26th was in 1973 (82°F average), while the coldest was 2025 (60°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 40% of August 26th dates historically, with the wettest August 26th recording 6.99" of rain. Temperatures on this date have remained relatively stable over the past several decades.

Temperatures on this date have remained relatively stable over the past several decades.

Planning for August 26th in Rockford, IL? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.

YearHighLowAvgPrecipSnow
2025coldest74°46°60°
202493°72°82°
202374°61°67°
202282°60°71°
202191°67°79°
202093°72°82°
201978°64°71°2.64"
201890°63°76°
201773°55°64°
201680°63°71°0.03"
201573°56°64°
201481°65°73°0.71"
201390°66°78°
201275°66°71°0.79"
201180°58°69°
201077°52°64°
200970°57°63°6.99"
200880°58°69°
200779°58°68°
200680°69°75°0.08"
200580°64°72°0.74"
200481°65°73°0.38"
200395°68°82°0.53"
200283°62°72°
200184°63°73°
200081°63°72°
199984°57°71°
199883°58°70°
199779°56°67°0.03"
199682°59°71°0.41"
199587°65°76°
199483°66°74°0.58"
199392°71°81°0.41"
199270°58°64°1.8"
199195°66°81°
199086°68°77°
198974°63°68°0.61"
198879°52°65°
198764°57°61°6.38"
198681°64°72°2.46"
198577°57°67°
198484°55°70°
198386°73°80°1.35"
198277°56°66°
198182°69°76°0.05"
198089°63°76°
197978°61°69°
197882°69°76°0.05"
197785°62°73°
197687°64°76°
197582°59°71°
197493°67°80°0.86"
1973warmest93°71°82°
197273°64°69°0.05"
197168°57°63°
55 years of data from ROCKFORD GTR ROCKFORD AP

Browse Weather History

Weather data provided by NOAA Climate Data Online. Not for critical planning.