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Harrisburg (PA)
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United States weather

Weather in Harrisburg, Pennsylvania for October 2026

Your guide to Harrisburg weather in October - trends and predictions

    Temperatures

  • So far, October 2026 in Harrisburg is slightly warmer than the historical average by 1 °C.

  • The forecast for the coming days of October 2026 predicts a temperature of 18.7 °C , which is warmer than usual.

  • In general, the average temperature in Harrisburg at the beginning of October is 21.5 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 14.1 °C by the end of October.

    • Rain 🌧️

  • With an average of 5 rainy days, Harrisburg experiences minimal rainfall in October.

    • More

  • Is October a good time to visit Harrisburg? check out the best time to travel to Harrisburg page.

  • ✨ Is October a good time to visit Harrisburg? – Ask the AI Weatherman

Average dry days
26
Dry days
Average rainy days
5
Rainy days
Average snowy days
0
Snow days
Average temperatures
18°/8°
Temperatures
Average wind speed
17 km/h
Avg max wind
Average humidity
70 %
Avg humidity

Harrisburg Weather October

Move between months or click on a day
September
November
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Overcast
22°
2
Mist
22°
3
Fog
21°
4
Mist
21°
5
Mist
23°
6
Patchy rain possible
20°
7
Light rain
21°
8
Heavy rain
20°
9
Sunny
19°
10
Sunny
18°
11
Moderate rain
17°
12
Light rain
19°
13
Light rain
21°
14
Partly cloudy
19°
15
Overcast
16°
16
Patchy rain possible
18°
17
Partly cloudy
15°
18
Sunny
17°
19
Mist
20°
20
Patchy rain possible
19°
21
Sunny
20°
22
Sunny
19°
23
Sunny
18°
24
Partly cloudy
15°
25
Partly cloudy
15°
26
Sunny
20°
27
Sunny
17°
28
Overcast
16°
29
Sunny
21°
30
Sunny
21°
31
Overcast
17°

Temperatures trend during October in Harrisburg

See the weather trend as well as the moving average line

October weather in Harrisburg day by day

Click on a date for more information
September November
Date Weather Temperatures Rain UV More
Oct. 1 Overcast
Overcast
 22° /14° 0 mm 4
Oct. 2 Mist
Mist
 22° /13° 0.2 mm 3
Oct. 3 Fog
Fog
 21° /11° 0 mm 5
Oct. 4 Mist
Mist
 21° /13° 0.7 mm 4
Oct. 5 Mist
Mist
 23° /11° 0 mm 5
Oct. 6 Patchy rain possible
Patchy rain possible
 20° /9° 1.2 mm 5
Oct. 7 Light rain
Light rain
 21° /11° 6.8 mm 4
Oct. 8 Heavy rain
Heavy rain
 20° /11° 38.1 mm 4
Oct. 9 Sunny
Sunny
 19° /8° 0 mm 4.8
Oct. 10 Sunny
Sunny
 18° /6° 0 mm 3
Oct. 11 Moderate rain
Moderate rain
 17° /9° 19.6 mm 3
Oct. 12 Light rain
Light rain
 19° /11° 3.7 mm 4
Oct. 13 Light rain
Light rain
 21° /12° 6.1 mm 4
Oct. 14 Partly cloudy
Partly cloudy
 19° /11° 0.2 mm 4
Oct. 15 Overcast
Overcast
 16° /9° 0 mm 3
Oct. 16 Patchy rain possible
Patchy rain possible
 18° /7° 1.5 mm 3
Oct. 17 Partly cloudy
Partly cloudy
 15° /4° 0.1 mm 4
Oct. 18 Sunny
Sunny
 17° /5° 0 mm 4
Oct. 19 Mist
Mist
 20° /4° 0.5 mm 4
Oct. 20 Patchy rain possible
Patchy rain possible
 19° /6° 1.7 mm 3.9
Oct. 21 Sunny
Sunny
 20° /5° 0.6 mm 3.9
Oct. 22 Sunny
Sunny
 19° /7° 0 mm 3.8
Oct. 23 Sunny
Sunny
 18° /6° 0 mm 3.7
Oct. 24 Partly cloudy
Partly cloudy
 15° /6° 0 mm 3
Oct. 25 Partly cloudy
Partly cloudy
 15° /3° 0 mm 3
Oct. 26 Sunny
Sunny
 20° /5° 0 mm 3.8
Oct. 27 Sunny
Sunny
 17° /8° 0 mm 3.7
Oct. 28 Overcast
Overcast
 16° /6° 0 mm 2.8
Oct. 29 Sunny
Sunny
 21° /7° 0 mm 3.4
Oct. 30 Sunny
Sunny
 21° /10° 0 mm 6
Oct. 31 Overcast
Overcast
 17° /8° 0 mm 4
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.
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Harrisburg in October - FAQ

What are the expected maximum and minimum temperatures in Harrisburg 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 Harrisburg during October?
Significant rainfall exceeding 174.2 mm is expected in Harrisburg during October, occurring over more than 5 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Harrisburg during October?
The average wind speed in Harrisburg during October is 17 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 💧
Typically, Harrisburg has 5 rainy days in October with a total of 174.2 mm of rainfall.

UV exposure in Harrisburg during October

Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
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Location coordinates Where is Harrisburg?

Get accurate weather forecasts for Harrisburg, located at latitude 40.274 and longitude -76.884. Stay updated with localized weather information tailored for Harrisburg.

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