Aurora, IL weather in October
Expect cool weather with some rain in Aurora in October, with highs near 63°F and lows near 43°F. Rain falls on about 9 days. Good for outdoor plans.
- Normal high
- 63°F
- Normal low
- 43°F
- Wet days
- 9
- 3.7 in total
- Muggy days
- 0
- dew point 65°F+
How October changes from start to finish
| October 1 | October 31 | |
|---|---|---|
| Normal high | 70°F | 56°F |
| Normal low | 49°F | 38°F |
| Chance of a wet day | 29% | 30% |
| Sunrise / sunset | 6:50 am / 6:35 pm | 7:24 am / 5:49 pm |
| Daylight | 11.8 h | 10.4 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
- 6 am45°Fdew point 41°F
- 9 am53°Fdew point 44°F
- Noon59°Fdew point 43°F
- 3 pm60°Fdew point 42°F
- 6 pm54°Fdew point 42°F
- 9 pm50°Fdew point 42°F
NOAA hourly normals (local standard time) from West Chicago Dupage Airport (11 mi away); average wind 9 mph.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F12 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 snow9 of 31
- Notable rainat least 0.10 in6 of 31
- Freezing nightslow 32°F or below5 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 in October
Normal precipitation is 3.7 in; a dry October brings about 1.9 in and a wet one about 5.1 in (25th and 75th percentiles). About 2 days bring half an inch or more, and about 1 an inch or more. Snow is very rare.
How October varies from year to year
- Warmest October, 1991-20202007: average high 69°F
- Coolest October2009: average high 56°F
- Wettest October2017: 12.5 in
- Driest October2005: 0.4 in
- Highest reading89°F (October 9, 2010)
- Lowest reading23°F (October 24, 1999)
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
| September | October | November | |
|---|---|---|---|
| Normal high | 76°F | 63°F | 48°F |
| Normal low | 55°F | 43°F | 32°F |
| Wet days | 8 | 9 | 9 |
| Comfortable days | 14 | 12 | 3 |
| Daylight | 12.5 h | 11.1 h | 9.8 h |
Highs change by -13°F from September and -15°F into November.
Nearby alternatives in October
- Warmer: St. Louis, MO238 mi · high 69°F · 9 wet days
- Cooler: Sister Bay, WI244 mi · high 55°F · 12 wet days
How Aurora ranks in October
- Normal high288th warmest of 378 cities; 5th of 8 in Illinois
- Wet days257th driest of 378
- Comfortable days168th most of 340
What to pack for Aurora in October
- A rain jacket or umbrella – rain on about 9 days
Frost in October
The first fall frost typically comes around Oct 23; in 1 year in 10 it comes before Oct 9. All frost dates for Aurora.
Heating and cooling
October has 386 heating degree days and 13 cooling degree days (base 65°F), 6% of the year's total heating and cooling demand.
Questions
How cold is Aurora in October?
The normal high is 63°F and the normal low is 43°F. From 1991 to 2020 the coldest October reading was 23°F (most recently on October 24, 1999).
Does it rain a lot in Aurora in October?
About 9 days in October have at least 0.01 in of precipitation, and the normal total is 3.7 in. The wettest October in 1991-2020 was in 2017 (12.5 in); the driest was in 2005 (0.4 in).
Is October a good time to visit Aurora?
October ranks 5th of 12 months on our comfort score for Aurora (60 out of 100). It has about 12 comfortable days. The best month is May.
Where the numbers come from
- Temperature, rain, snowfall, snow depth and frost dates: Aurora (USC00110338), 1.5 mi NNE of the city center, 660 ft . NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour: West Chicago Dupage Airport (USW00094892), 11 mi NNE of the city center, 754 ft (79 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Chicago O'hare International Airport (725300-94846), 24 mi NE of the city center, 672 ft . Hourly observations, 1991-2020.
- Not available for this location: cloud cover (no station close enough or similar enough in elevation).