Harrisburg (PA)
October
Weather in Harrisburg, Pennsylvania for October 2025
Your guide to Harrisburg weather in October - trends and predictions
Until now, October 2025 in Harrisburg is slightly cooler than the historical average by -0.9 °F.
The forecast for the next days in Harrisburg predicts temperatures to be around 13 °F, close to the historical average.
In general, the average temperature in Harrisburg at the beginning of October is 21.6 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 13.3 °F by the end of October.
Precipitation in Harrisburg during October is a rare event, with an average of fewer than 2 rainy days.
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Temperatures
Rain 🌧️
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30
Dry days
1
Rainy days
0
Snow days
19°/8°
Temperatures
16 km/h
Avg max wind
70 %
Avg humidity
Harrisburg Weather October
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Temperatures trend during October in Harrisburg
See the weather trend as well as the moving average line
October weather in Harrisburg day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Oct. 1 |  Overcast | 19° /14° | 0 mm | 5 | |
| Oct. 2 |  Mist | 18° /11° | 0 mm | 4 | |
| Oct. 3 | Fog | 21° /10° | 0 mm | 5 | |
| Oct. 4 | Mist | 24° /14° | 0 mm | 6 | |
| Oct. 5 | Mist | 25° /11° | 0 mm | 6 | |
| Oct. 6 | Mist | 23° /11° | 1.8 mm | 5 | |
| Oct. 7 | Fog | 21° /14° | 10.2 mm | 5 | |
| Oct. 8 | Overcast | 20° /10° | 57.2 mm | 5 | |
| Oct. 9 |  Sunny | 18° /7° | 0 mm | 6 | |
| Oct. 10 | Sunny | 16° /5° | 0 mm | 5 | |
| Oct. 11 | Sunny | 17° /8° | 4.4 mm | 5 | |
| Oct. 12 |  Partly cloudy | 18° /10° | 5.3 mm | 5 | |
| Oct. 13 | Overcast | 19° /12° | 9.2 mm | 4 | |
| Oct. 14 | Partly cloudy | 17° /9° | 0.1 mm | 5 | |
| Oct. 15 | Overcast | 15° /8° | 0 mm | 4 | |
| Oct. 16 | Overcast | 15° /3° | 0 mm | 4 | |
| Oct. 17 | Partly cloudy | 16° /4° | 0 mm | 5 | |
| Oct. 18 | Sunny | 19° /6° | 0 mm | 5 | |
| Oct. 19 | Mist | 21° /4° | 0.8 mm | 5 | |
| Oct. 20 | Fog | 19° /6° | 2.5 mm | 5 | |
| Oct. 21 | Sunny | 22° /4° | 0.9 mm | 6 | |
| Oct. 22 | Sunny | 20° /8° | 0 mm | 5 | |
| Oct. 23 | Sunny | 20° /6° | 0 mm | 5 | |
| Oct. 24 | Partly cloudy | 15° /7° | 0 mm | 4 | |
| Oct. 25 | Partly cloudy | 15° /3° | 0 mm | 4 | |
| Oct. 26 |  Patchy rain possible | 15° /5° | 0.2 mm | 4 | |
| Oct. 27 | Sunny | 11° /4° | 0 mm | 3 | |
| Oct. 28 | Partly cloudy | 14° /2° | 0 mm | 4 | |
| Oct. 29 | Partly cloudy | 14° /3° | 0 mm | 0.5 | |
| Oct. 30 |  Heavy rain | 12° /7° | 86.1 mm | 0.1 | |
| Oct. 31 |  Moderate rain | 12° /7° | 7.4 mm | 0.5 | |
| Next | |||||
Important Notice
Our weather forecast for Harrisburg 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 Harrisburg forecast closer to your planned date for the most up-to-date weather information.
Change Month
Harrisburg in October - FAQ
What are the expected maximum and minimum temperatures in Harrisburg during October?
Enjoy moderate daytime temperatures of up to 19° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Harrisburg during October?
Rainfall in Harrisburg during October is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 1 days seeing any precipitation. Planning without the concern for rain is generally straightforward during this very dry period.
What are the typical wind conditions in Harrisburg during October?
The average wind speed in Harrisburg during October is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
October rainfall patterns in Harrisburg
Explore the daily rainfall trends and prepare for Harrisburgs October weather 💧
UV exposure in Harrisburg during October
Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
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