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Philadelphia, PA Weather on October 11

Philadelphia hits 85°F on October 11, 2018

Philadelphia experienced a remarkably warm October 11 in 2018 when temperatures soared to 85°F, a full 17 degrees above the typical high of 68°F for this date. This record surpassed the previous benchmark set in 1996, when the low dipped to just 39°F on the same calendar day. Over 53 years of October 11 observations, Philadelphia has shown the full range of autumn's volatility, with swings of nearly 50 degrees between record extremes.

By Weather On This Day|
Avg High
68°F
Avg Low
52°F
Record High
85°F
2018
Record Low
39°F
1996
Philadelphia, PA on October 11 — Temperature History20°F40°F60°F80°F100°F19801990200020102020HighLow

What to Expect on October 11

Planning for October 11th in Philadelphia, PA? Great weather for outdoor activities.

Frequently Asked Questions

What was the warmest October 11 ever in Philadelphia?

The warmest October 11 in Philadelphia, PA reached 85°F in 2018. That is 17°F above the long-term average high of 68°F.

What was the coldest October 11 ever in Philadelphia?

The coldest October 11 in Philadelphia, PA dropped to 39°F in 1996. That is 13°F below the long-term average low of 52°F.

What is the average temperature on October 11 in Philadelphia?

On October 11, Philadelphia averages a high of 68°F and a low of 52°F based on 53 years of NOAA weather observations from PHILADELPHIA WSFO.

How many years of weather data are available for October 11 in Philadelphia?

We have 53 years of weather records for October 11 in Philadelphia, PA, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.

October 11 Weather History in Philadelphia

YearHighLowPrecipSnow
202564°F52°F0.05"--
202464°F46°F0"--
202368°F51°F0"--
202270°F53°F0"--
202168°F63°F----
202074°F62°F0"--
201975°F52°F0"--
201885°F73°F0.14"--
201665°F46°F0"--
201566°F50°F0"--
201461°F51°F0"--
201362°F53°F1.1"--
201268°F50°F0"--
201175°F61°F0.06"--
201072°F57°F0"--
200966°F46°F0"--
200874°F54°F0"--
200768°F52°F0.8"--
200668°F60°F1.43"--
200567°F60°F0.25"--
200461°F47°F----
200376°F59°F0"--
200176°F57°F0"--
200068°F47°F0"--
199973°F56°F0"--
199873°F59°F0"--
199773°F55°F0"--
199668°F39°F0"--
199579°F58°F0"--
199464°F42°F0"--
199357°F46°F0.02"--
199264°F55°F----
199162°F50°F----
199080°F67°F----
198964°F51°F----
198863°F48°F----
198756°F45°F----
198665°F46°F----
198572°F54°F----
198474°F59°F----
198364°F55°F----
198268°F46°F----
198163°F48°F----
198066°F57°F----
197950°F40°F----
197874°F52°F----
197764°F48°F0"--
197661°F45°F0"--
197564°F57°F0.32"--
197471°F54°F0"--
197366°F52°F----
197263°F43°F0"--
197165°F50°F----

Based on 53 years of data from NOAA station: PHILADELPHIA WSFO

How Has October 11 Changed?

The last decade has been 1.0°F warmer on this date compared to 20-30 years ago.

Monthly Climate Averages

Historical temperature and precipitation averages for Philadelphia, PA, based on 55+ years of weather data.

Warmest MonthJulyAvg High: 88°F / Low: 71°F
Coldest MonthJanuaryAvg High: 41°F / Low: 28°F
Jan
41°/ 28°
💧 0.4"
❄️ 2.0"
Feb
44°/ 30°
💧 0.3"
❄️ 2.4"
Mar
54°/ 37°
💧 0.4"
❄️ 1.7"
Apr
65°/ 47°
💧 0.4"
❄️ 1.5"
May
74°/ 56°
💧 0.4"
Jun
83°/ 66°
💧 0.5"
Jul
88°/ 71°
💧 0.5"
Aug
86°/ 70°
💧 0.5"
Sep
79°/ 62°
💧 0.5"
Oct
67°/ 51°
💧 0.4"
❄️ 0.4"
Nov
56°/ 42°
💧 0.4"
❄️ 2.0"
Dec
46°/ 33°
💧 0.4"
❄️ 1.8"

Temperatures in Fahrenheit. Precipitation and snowfall in inches.

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