Weather on March 9

Chicago, IL

55 Years of Data

Avg High
46°F
Avg Low
30°F
Warmest
2026
60°F avg
Coldest
2003
12°F avg

About This Date

March 9th in Chicago, IL typically brings chilly spring weather, with average highs around 46°F and lows near 30°F. Over 53 years of records, the warmest March 9th was in 2026 (60°F average), while the coldest was 2003 (12°F) — a 48°F range across recorded history. Precipitation has occurred on 23% of recorded March 9th dates, with snow falling 2% of the time. The last decade has been 13.1°F warmer on this date compared to 20-30 years ago.

The last decade has been 13.1°F warmer on this date compared to 20-30 years ago.

Planning for March 9th in Chicago, IL? Bring layers as temperatures can vary throughout the day.

Warming Trend
1.5°F per decade on this date
YearHighLowAvgPrecipSnow
2026warmest72°48°60°
202557°37°47°
202445°36°40°
202339°33°36°
202242°30°36°
202167°39°53°
202059°48°54°
201944°29°37°0.94"
201835°26°31°
201742°34°38°
201664°48°56°
201548°36°42°
201442°23°33°
201347°31°39°
201242°33°38°
201146°37°42°
201046°31°38°
200940°34°37°
200834°24°29°
200756°31°43°
200657°36°46°
200531°18°24°
200439°30°35°
2003coldest15°12°
200263°22°42°1.6"
200145°24°34°
200064°30°47°0.03"
199932°28°30°0.05"
199836°17°26°
199439°28°34°
199342°32°37°
199264°54°59°0.2"
199146°33°40°
199050°40°45°1.19"
198939°26°33°
198854°37°45°0.25"
198774°29°51°
198652°26°39°0.18"
198556°34°45°
198427°14°20°
198341°27°34°0.05"
198230°11°20°0.25"0.5"
198146°30°38°
198042°24°33°
197943°33°38°0.25"
197841°18°29°
197768°48°58°
197642°32°37°
197530°20°25°
197454°39°46°
197340°38°39°
197234°22°28°
197135°20°27°0.41"
53 years of data from CHICAGO GRANT PARK

Browse Weather History

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

March 9th Weather in Chicago, IL - 55 Years of History