Weather on January 9

Milwaukee, WI

55 Years of Data

Avg High
30°F
Avg Low
15°F
Warmest
2026
47°F avg
Coldest
1982
-7°F avg

About This Date

January 9th in Milwaukee, WI typically brings very cold winter weather, with average highs around 30°F and lows near 15°F. Over 56 years of records, the warmest January 9th was in 2026 (47°F average), while the coldest was 1982 (-7°F) — a 54°F range across recorded history. Precipitation has occurred on 36% of recorded January 9th dates, with snow falling 20% of the time (heaviest snowfall: 5"). The last decade has been 4.2°F warmer on this date compared to 20-30 years ago.

The last decade has been 4.2°F warmer on this date compared to 20-30 years ago.

Planning for January 9th in Milwaukee, WI? Bundle up with warm layers and protect extremities from the cold. Consider bringing rain gear or an umbrella. Check road conditions if traveling, as snow is possible.

Warming Trend
3.2°F per decade on this date
YearHighLowAvgPrecipSnow
2026warmest58°37°47°1.07"
202522°14°
202436°30°33°1.19"0.9"
202346°25°36°
202232°11°22°
202136°26°31°
202051°27°39°0.15"
201924°16°20°
201840°26°33°
201731°19°25°0.1"0.7"
201637°22°30°0.46"1.5"
2015
201425°-9°
201343°29°36°
201246°27°36°
201131°10°20°
201022°14°
200922°12°17°0.13"0.6"
200851°30°41°0.84"
200737°22°29°
200640°31°35°
200528°17°23°
200430°15°23°0.13"1.5"
200356°32°44°
200245°23°34°
200127°18°
200045°32°38°
199911°-5°
199832°14°23°0.15"0.9"
199730°25°27°0.66"5"
199631°19°25°
199522°13°0.15"0.9"
199424°13°
199326°22°24°0.13"0.8"
199239°33°36°0.1"
199131°17°24°
199039°32°36°0.36"
198928°15°
1988-7°
198731°21°26°0.61"3.3"
198633°16°24°
198526°10°18°0.15"2"
198428°16°22°0.25"
198340°29°34°0.05"
1982coldest-17°-7°
198118°12°
1980
197914°-1°
1978-8°-3°
197712°-4°0.15"
197614°-2°
197539°36°37°0.05"
197422°14°
197313°-3°
197243°31°37°
197129°14°21°
56 years of data from W ALLIS

Browse Weather History

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