Allegheny County (Pittsburgh)
October
Weather in Allegheny County, Pennsylvania for October 2027
Your guide to Allegheny County weather in October - trends and predictions
In general, the average temperature in Allegheny County at the beginning of October is 22.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 16.1 °C by the end of October.
Allegheny County experiences moderate rainfall in October, with an average of 9 rainy days and a total precipitation of 175.9 mm.
Is October a good time to visit Allegheny County? check out the best time to travel to Allegheny County page.
✨ Is October a good time to visit Allegheny County? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
22
Dry days
9
Rainy days
0
Snow days
18°/8°
Temperatures
13 km/h
Avg max wind
70 %
Avg humidity
Allegheny County Weather October
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Temperatures trend during October in Allegheny County
See the weather trend as well as the moving average line
October weather in Allegheny County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Oct. 1 |  Light rain | 24° /13° | 4.9 mm | 5 | |
| Oct. 2 |  Mist | 23° /13° | 0.8 mm | 4 | |
| Oct. 3 | Fog | 23° /11° | 0 mm | 5 | |
| Oct. 4 |  Overcast | 25° /13° | 0 mm | 5 | |
| Oct. 5 | Overcast | 24° /12° | 0 mm | 5 | |
| Oct. 6 | Light rain | 21° /11° | 5.1 mm | 5 | |
| Oct. 7 |  Moderate rain | 18° /11° | 13.4 mm | 4 | |
| Oct. 8 |  Patchy rain possible | 18° /8° | 2.4 mm | 4 | |
| Oct. 9 | Overcast | 17° /8° | 0.1 mm | 4 | |
| Oct. 10 |  Sunny | 17° /6° | 0.5 mm | 4 | |
| Oct. 11 | Moderate rain | 17° /8° | 11.6 mm | 4 | |
| Oct. 12 | Patchy rain possible | 19° /11° | 0.8 mm | 4 | |
| Oct. 13 | Patchy rain possible | 22° /12° | 2.3 mm | 4 | |
| Oct. 14 | Moderate rain | 18° /10° | 11.9 mm | 3 | |
| Oct. 15 | Patchy rain possible | 15° /9° | 1.2 mm | 3 | |
| Oct. 16 | Light rain | 15° /7° | 2.7 mm | 3 | |
| Oct. 17 | Overcast | 13° /6° | 0.1 mm | 3 | |
| Oct. 18 | Overcast | 19° /5° | 0 mm | 4 | |
| Oct. 19 | Light rain | 21° /6° | 5 mm | 4 | |
| Oct. 20 |  Moderate or heavy rain with thunder | 18° /7° | 24.3 mm | 3.9 | |
| Oct. 21 | Light rain | 16° /7° | 3.3 mm | 3.8 | |
| Oct. 22 | Patchy rain possible | 17° /6° | 1 mm | 3.8 | |
| Oct. 23 | Overcast | 17° /7° | 0 mm | 3.7 | |
| Oct. 24 | Overcast | 16° /6° | 0 mm | 3.6 | |
| Oct. 25 | Overcast | 17° /5° | 0.4 mm | 3.5 | |
| Oct. 26 | Overcast | 18° /7° | 0.3 mm | 3.5 | |
| Oct. 27 | Overcast | 17° /8° | 0 mm | 3.4 | |
| Oct. 28 | Overcast | 16° /7° | 0.1 mm | 3 | |
| Oct. 29 |  Heavy rain | 16° /9° | 29.6 mm | 3 | |
| Oct. 30 | Heavy rain | 14° /7° | 31.5 mm | 3 | |
| Oct. 31 | Patchy rain possible | 15° /6° | 0.6 mm | 2 | |
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Important Notice
Our weather forecast for Allegheny County in October is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Allegheny County forecast closer to your planned date for the most up-to-date weather information.
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Allegheny County in October - FAQ
What are the expected maximum and minimum temperatures in Allegheny County during October?
Enjoy moderate daytime temperatures of up to 18° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Allegheny County during October?
Significant rainfall exceeding 175.9 mm is expected in Allegheny County during October, occurring over more than 9 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Allegheny County during October?
The average wind speed in Allegheny County during October is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
October rainfall patterns in Allegheny County
Explore the daily rainfall trends and prepare for Allegheny Countys October weather 💧
Typically, Allegheny County has 9 rainy days in October with a total of 175.9 mm of rainfall.
UV exposure in Allegheny County during October
Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
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