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Weather in Collin County for October 2025

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

    Temperatures

  • In general, the average temperature in Collin County at the beginning of October is 32.1 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 25.3 °F by the end of October.

  • Rain 🌧️

  • Collin County experiences moderate rainfall in October, with an average of 9 rainy days and a total precipitation of 146.1 mm.

  • More

  • Halloween weather in Collin County 🎃 - See the complete forecast for Thursday, October 31.

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Average dry days
22
Dry days
Average rainy days
9
Rainy days
Average snowy days
0
Snow days
Average temperatures
28°/16°
Temperatures
Average wind speed
22 km/h
Avg max wind
Average humidity
51 %
Avg humidity

Collin County in October average weather

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Temperatures trend during October in Collin County

See the weather trend as well as the moving average line

October weather day by day

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Date Weather Temperatures Rain UV More
Oct. 1 Partly cloudy
Partly cloudy
35° /20° 0 mm 9
Oct. 2 Partly cloudy
Partly cloudy
34° /19° 0 mm 9
Oct. 3 Cloudy
Cloudy
35° /20° 0 mm 8
Oct. 4 Moderate or heavy rain shower
Moderate or heavy rain shower
33° /22° 8.1 mm 8
Oct. 5 Light rain shower
Light rain shower
29° /19° 42.2 mm 7
Oct. 6 Partly cloudy
Partly cloudy
31° /20° 0 mm 8
Oct. 7 Partly cloudy
Partly cloudy
28° /15° 0 mm 7
Oct. 8 Sunny
Sunny
29° /13° 0 mm 8
Oct. 9 Sunny
Sunny
31° /16° 0 mm 8
Oct. 10 Cloudy
Cloudy
31° /19° 0 mm 7
Oct. 11 Patchy rain possible
Patchy rain possible
28° /19° 0 mm 7
Oct. 12 Overcast
Overcast
32° /19° 0 mm 7
Oct. 13 Patchy rain possible
Patchy rain possible
33° /19° 0 mm 8
Oct. 14 Sunny
Sunny
26° /14° 0 mm 7
Oct. 15 Sunny
Sunny
26° /12° 0 mm 7
Oct. 16 Sunny
Sunny
22° /8° 0 mm 6
Oct. 17 Sunny
Sunny
24° /7° 0 mm 7
Oct. 18 Sunny
Sunny
26° /11° 0 mm 6
Oct. 19 Sunny
Sunny
28° /13° 0 mm 8
Oct. 20 Sunny
Sunny
31° /14° 0 mm 8
Oct. 21 Overcast
Overcast
31° /16° 0 mm 7
Oct. 22 Overcast
Overcast
31° /18° 0 mm 7
Oct. 23 Light rain shower
Light rain shower
29° /19° 13.6 mm 7
Oct. 24 Patchy rain possible
Patchy rain possible
29° /20° 0.1 mm 7
Oct. 25 Overcast
Overcast
29° /19° 0 mm 7
Oct. 26 Light rain shower
Light rain shower
29° /21° 3.2 mm 6
Oct. 27 Light rain shower
Light rain shower
29° /21° 5.4 mm 6
Oct. 28 Light rain shower
Light rain shower
29° /16° 12.1 mm 7
Oct. 29 Moderate or heavy rain shower
Moderate or heavy rain shower
22° /13° 8.2 mm 5
Oct. 30 Patchy light rain
Patchy light rain
19° /12° 12.3 mm 4
Oct. 31 Sunny
Sunny
20° /7° 40.9 mm 5
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Important Notice
Our weather forecast for Collin 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 Collin County forecast closer to your planned date for the most up-to-date weather information.

Collin County in October - FAQ

What are the expected maximum and minimum temperatures in Collin County during October?
During October, expect a variety of temperatures with highs around 28° and lows near 16°, suitable for diverse activities and preferences.
How much rainfall should be expected in Collin County during October?
Significant rainfall exceeding 146.1 mm is expected in Collin 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 Collin County during October?
The average wind speed in Collin County during October is 22 km/h, suggesting breezy to windy conditions, depending on your activities.

October rainfall patterns in Collin County

Explore the daily rainfall trends and prepare for Collin Countys October weather 💧

UV exposure in Collin County during October

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

Get accurate weather forecasts for Collin County, located at latitude 33.02 and longitude -96.699. Stay updated with localized weather information tailored for Collin County.

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