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United States weather

Weather in Lehigh County, Pennsylvania for October 2026

Your guide to Lehigh County weather in October - trends and predictions

    Temperatures

  • So far, October 2026 in Lehigh County is slightly warmer than the historical average by 0.7 °C.

  • The forecast for the coming days of October 2026 predicts a temperature of 17.4 °C , which is warmer than usual.

  • In general, the average temperature in Lehigh County at the beginning of October is 21 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 13.6 °C by the end of October.

    • Rain 🌧️

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

    • More

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

  • ✨ Is October a good time to visit Lehigh County? – 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°/7°
Temperatures
Average wind speed
18 km/h
Avg max wind
Average humidity
71 %
Avg humidity

Lehigh County Weather October

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

Temperatures trend during October in Lehigh County

See the weather trend as well as the moving average line

October weather in Lehigh County day by day

Click on a date for more information
September November
Date Weather Temperatures Rain UV More
Oct. 1 Overcast
Overcast
 21° /13° 0 mm 4
Oct. 2 Overcast
Overcast
 22° /12° 0.5 mm 3
Oct. 3 Cloudy
Cloudy
 20° /11° 0.1 mm 4
Oct. 4 Patchy rain possible
Patchy rain possible
 21° /11° 0.7 mm 4
Oct. 5 Partly cloudy
Partly cloudy
 22° /11° 0 mm 5
Oct. 6 Partly cloudy
Partly cloudy
 20° /8° 0 mm 5
Oct. 7 Patchy rain possible
Patchy rain possible
 20° /11° 1 mm 4.9
Oct. 8 Heavy rain
Heavy rain
 20° /9° 31 mm 4
Oct. 9 Sunny
Sunny
 18° /7° 0 mm 4
Oct. 10 Partly cloudy
Partly cloudy
 16° /5° 0 mm 3
Oct. 11 Moderate rain
Moderate rain
 16° /8° 18.7 mm 3
Oct. 12 Light rain
Light rain
 19° /11° 5.5 mm 4
Oct. 13 Light rain
Light rain
 20° /11° 3.8 mm 4
Oct. 14 Overcast
Overcast
 20° /11° 0.1 mm 3
Oct. 15 Patchy rain possible
Patchy rain possible
 16° /7° 0 mm 3
Oct. 16 Patchy rain possible
Patchy rain possible
 17° /6° 2.3 mm 3
Oct. 17 Sunny
Sunny
 14° /3° 0.1 mm 3
Oct. 18 Sunny
Sunny
 16° /3° 0 mm 4
Oct. 19 Overcast
Overcast
 19° /5° 0 mm 3.9
Oct. 20 Moderate rain
Moderate rain
 19° /7° 14.6 mm 3.9
Oct. 21 Sunny
Sunny
 20° /6° 0 mm 3.8
Oct. 22 Partly cloudy
Partly cloudy
 21° /8° 0 mm 3.7
Oct. 23 Overcast
Overcast
 17° /6° 0 mm 3
Oct. 24 Partly cloudy
Partly cloudy
 15° /4° 0 mm 3.6
Oct. 25 Sunny
Sunny
 17° /3° 0 mm 3.4
Oct. 26 Sunny
Sunny
 20° /5° 0 mm 3.7
Oct. 27 Sunny
Sunny
 16° /7° 0 mm 3.7
Oct. 28 Overcast
Overcast
 14° /2° 0 mm 3.6
Oct. 29 Sunny
Sunny
 18° /5° 0 mm 5
Oct. 30 Sunny
Sunny
 21° /10° 0 mm 5
Oct. 31 Sunny
Sunny
 16° /6° 0 mm 4
Next
Important Notice
Our weather forecast for Lehigh 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 Lehigh County forecast closer to your planned date for the most up-to-date weather information.
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Lehigh County in October - FAQ

What are the expected maximum and minimum temperatures in Lehigh County during October?
Enjoy moderate daytime temperatures of up to 18° and cooler nights around 7°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Lehigh County during October?
Significant rainfall exceeding 143.5 mm is expected in Lehigh County during October, occurring over more than 5 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Lehigh County during October?
The average wind speed in Lehigh County during October is 18 km/h, suggesting breezy to windy conditions, depending on your activities.

October rainfall patterns in Lehigh County

Explore the daily rainfall trends and prepare for Lehigh Countys October weather 💧
Typically, Lehigh County has 5 rainy days in October with a total of 143.5 mm of rainfall.

UV exposure in Lehigh County during October

Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
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AllentownDorney Park
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