Climateby Month

Milwaukee, WI weather in October

NOAA 1991-2020 normals and daily records · Milwaukee all year

In October, Milwaukee sees highs around 61°F and lows around 45°F: cool, with frequent rain. There are about 10 days with rain.

Normal high
61°F
Normal low
45°F
Wet days
10
2.8 in total
Muggy days
0
dew point 65°F+

How October changes from start to finish

Normal values at the start and end of October
October 1October 31
Normal high68°F55°F
Normal low50°F39°F
Chance of a wet day32%33%
Sunrise / sunset6:49 am / 6:33 pm7:25 am / 5:45 pm
Daylight11.7 h10.3 h

Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Central Time).

A typical October day

  1. 6 am47°Fdew point 41°F
  2. 9 am53°Fdew point 42°F
  3. Noon57°Fdew point 42°F
  4. 3 pm57°Fdew point 42°F
  5. 6 pm54°Fdew point 42°F
  6. 9 pm51°Fdew point 42°F

NOAA hourly normals (local standard time) from Milwaukee Mitchell Airport (6 mi away); average wind 10 mph.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F9 of 31
  • Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph1 of 31
  • Hot dayshigh 90°F or more0 of 31
  • Muggy daysdaily mean dew point 65°F or more0 of 31
  • Wet daysat least 0.01 in of rain or melted snow10 of 31
  • Notable rainat least 0.10 in6 of 31
  • Freezing nightslow 32°F or below2 of 31
  • Snow on the groundsnow depth 1 in or more0 of 31

Average days per October, counted from daily records for each year 1991-2020.

Rain and snow in October

Normal precipitation is 2.8 in; a dry October brings about 1.5 in and a wet one about 3.6 in (25th and 75th percentiles). About 2 days bring half an inch or more, and about 1 an inch or more. Normal snowfall is 0.3 in.

How October varies from year to year

  • Warmest October, 1991-20202007: average high 66°F
  • Coolest October2009: average high 54°F
  • Wettest October1991: 7.0 in
  • Driest October1993: 0.4 in
  • Highest reading87°F (October 6, 2007)
  • Lowest reading24°F (October 31, 2020)

From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.

October compared with September and November

SeptemberOctoberNovember
Normal high74°F61°F48°F
Normal low56°F45°F33°F
Wet days91010
Comfortable days1492
Daylight12.5 h11.0 h9.7 h

Highs change by -13°F from September and -13°F into November.

Nearby alternatives in October

How Milwaukee ranks in October

  • Normal high305th warmest of 378 cities; 1st of 5 in Wisconsin
  • Wet days294th driest of 378
  • Comfortable days240th most of 340

What to pack for Milwaukee in October

  • A rain jacket or umbrella – rain on about 10 days

Frost in October

The first fall frost typically comes around Oct 29; in 1 year in 10 it comes before Oct 15. All frost dates for Milwaukee.

Heating and cooling

October has 383 heating degree days and 11 cooling degree days (base 65°F), 5% of the year's total heating and cooling demand.

Questions

How cold is Milwaukee in October?

The normal high is 61°F and the normal low is 45°F. From 1991 to 2020 the coldest October reading was 24°F (October 31, 2020).

Does it rain a lot in Milwaukee in October?

About 10 days in October have at least 0.01 in of precipitation, and the normal total is 2.8 in. The wettest October in 1991-2020 was in 1991 (7.0 in); the driest was in 1993 (0.4 in).

Does it snow in Milwaukee in October?

Yes. Normal snowfall in October is 0.3 in.

Is October a good time to visit Milwaukee?

October ranks 6th of 12 months on our comfort score for Milwaukee (57 out of 100). It has about 9 comfortable days. The best months are May, June and September.

Where the numbers come from

  • Temperature, rain, snowfall, snow depth, frost dates and humidity and wind by hour: Milwaukee Mitchell Airport (USW00014839), 5.8 mi S of the city center, 670 ft (55 ft higher than the city). NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: General Mitchell International Airport (726400-14839), 5.8 mi S of the city center, 667 ft (52 ft higher than the city). Hourly observations, 1991-2020.
  • Not available for this location: cloud cover (no station close enough or similar enough in elevation).