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United States weather

Weather in Collin County, Texas for October 2025

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

    Temperatures

  • Until now, October 2025 in Collin County has been nearly identical to the historical average, with a temperature of 29.1 °F (showing only a slight deviation of -0.5 °F).

  • The forecast for the next days in Collin County predicts temperatures to be around 20 °F, close to the historical average.

  • In general, the average temperature in Collin County at the beginning of October is 32.7 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 24.3 °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

  • New! Chat with our AI weatherman - it’s amazing and free.

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 Weather October

Move between months or click on a day
September
November
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny
35°
2
Partly cloudy
34°
3
Sunny
35°
4
Sunny
33°
5
Light rain shower
30°
6
Partly cloudy
32°
7
Partly cloudy
30°
8
Sunny
27°
9
Sunny
31°
10
Sunny
31°
11
Patchy rain possible
30°
12
Partly cloudy
32°
13
Patchy rain possible
33°
14
Partly cloudy
28°
15
Sunny
28°
16
Sunny
24°
17
Sunny
27°
18
Overcast
28°
19
Sunny
26°
20
Sunny
31°
21
Overcast
29°
22
Overcast
30°
23
Light rain shower
28°
24
Patchy rain possible
28°
25
Overcast
27°
26
Light rain shower
27°
27
Light rain shower
28°
28
Light rain shower
26°
29
Moderate or heavy rain shower
21°
30
Sunny
19°
31
Sunny
22°

Temperatures trend during October in Collin County

See the weather trend as well as the moving average line

October weather in Collin County day by day

Click on a date for more information
September November
Date Weather Temperatures Rain UV More
Oct. 1 Sunny
Sunny
 35° /19° 0 mm 8
Oct. 2 Partly cloudy
Partly cloudy
 34° /19° 0 mm 8
Oct. 3 Sunny
Sunny
 35° /21° 0 mm 8
Oct. 4 Sunny
Sunny
 33° /21° 5.4 mm 8
Oct. 5 Light rain shower
Light rain shower
 30° /19° 28.1 mm 7
Oct. 6 Partly cloudy
Partly cloudy
 32° /20° 0 mm 8
Oct. 7 Partly cloudy
Partly cloudy
 30° /17° 0 mm 7
Oct. 8 Sunny
Sunny
 27° /14° 14.1 mm 7
Oct. 9 Sunny
Sunny
 31° /17° 0 mm 8
Oct. 10 Sunny
Sunny
 31° /18° 0 mm 7
Oct. 11 Patchy rain possible
Patchy rain possible
 30° /19° 0 mm 7
Oct. 12 Partly cloudy
Partly cloudy
 32° /19° 0 mm 7
Oct. 13 Patchy rain possible
Patchy rain possible
 33° /20° 0 mm 7
Oct. 14 Partly cloudy
Partly cloudy
 28° /15° 0 mm 7
Oct. 15 Sunny
Sunny
 28° /14° 0 mm 7
Oct. 16 Sunny
Sunny
 24° /11° 0 mm 6
Oct. 17 Sunny
Sunny
 27° /12° 0 mm 7
Oct. 18 Overcast
Overcast
 28° /15° 0 mm 6
Oct. 19 Sunny
Sunny
 26° /13° 0 mm 7
Oct. 20 Sunny
Sunny
 31° /13° 0 mm 8
Oct. 21 Overcast
Overcast
 29° /16° 0 mm 7
Oct. 22 Overcast
Overcast
 30° /16° 0 mm 7
Oct. 23 Light rain shower
Light rain shower
 28° /18° 9.1 mm 7
Oct. 24 Patchy rain possible
Patchy rain possible
 28° /20° 0 mm 6
Oct. 25 Overcast
Overcast
 27° /18° 135.2 mm 6
Oct. 26 Light rain shower
Light rain shower
 27° /20° 2.1 mm 6
Oct. 27 Light rain shower
Light rain shower
 28° /20° 3.6 mm 6
Oct. 28 Light rain shower
Light rain shower
 26° /15° 8.1 mm 6
Oct. 29 Moderate or heavy rain shower
Moderate or heavy rain shower
 21° /11° 5.4 mm 5
Oct. 30 Sunny
Sunny
 19° /7° 0 mm 1
Oct. 31 Sunny
Sunny
 22° /9° 0 mm 1
Next
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.
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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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