Weather on February 21

Rockford, IL

55 Years of Data

Avg High
37°F
Avg Low
21°F
Warmest
2017
55°F avg
Coldest
1978
11°F avg

About This Date

February 21st in Rockford, IL typically brings cold winter weather, with average highs around 37°F and lows near 21°F. Over 56 years of records, the warmest February 21st was in 2017 (55°F average), while the coldest was 1978 (11°F) — a 44°F range across recorded history. Precipitation has occurred on 27% of recorded February 21st dates, with snow falling 20% of the time (heaviest snowfall: 4.8"). The last decade has been 1.5°F warmer on this date compared to 20-30 years ago.

The last decade has been 1.5°F warmer on this date compared to 20-30 years ago.

Planning for February 21st in Rockford, IL? Bundle up with warm layers and protect extremities from the cold. Check road conditions if traveling, as snow is possible.

YearHighLowAvgPrecipSnow
202627°23°25°
202524°12°
202460°38°49°
202338°20°29°
202245°27°36°
202136°16°26°0.41"1.2"
202036°22°
201931°18°25°
201829°24°27°
2017warmest67°43°55°0.25"
201641°30°36°
201530°18°24°
201435°21°28°
201327°10°18°0.23"1"
201243°33°38°0.36"0.8"
201134°27°30°0.1"0.3"
201035°29°32°0.38"2.5"
200927°17°22°0.66"4.8"
200823°12°
200748°20°34°
200634°17°25°
200535°30°33°0.1"
200439°26°33°
200350°22°36°
200233°27°30°
200117°11°
200041°13°27°
199935°16°25°
199845°28°36°
199739°29°34°2.64"
199636°27°31°
199531°21°26°
199439°24°32°
199331°20°25°0.71"2.4"
199238°25°31°
199154°29°41°
199039°16°27°
198928°14°21°
198830°-1°15°
198747°24°35°
198628°13°20°
198539°36°37°1.8"
198447°21°34°
198348°34°41°
198241°27°34°
198147°31°39°0.05"
198038°34°36°0.41"
197935°18°26°0.74"2.9"
1978coldest21°11°
197737°11°24°
197636°25°30°1.37"1.4"
197542°18°30°
197445°33°39°1.14"0.6"
197332°18°25°
197239°17°28°
197132°27°29°
56 years of data from ROCKFORD GTR ROCKFORD AP

Browse Weather History

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

February 21st Weather in Rockford, IL - 55 Years of History