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United States weather

Weather in Suffolk County, New York for October 2026

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

    Temperatures

  • Until now, October 2026 in Suffolk County has been nearly identical to the historical average, with a temperature of 18.3 °C (showing only a slight deviation of 0.3 °C).

  • The forecast for the upcoming days in Suffolk County predicts a temperature of 16.7 °C, which is slightly above the historical average.

  • In general, the average temperature in Suffolk County at the beginning of October is 20.5 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 15.1 °C by the end of October.

    • Rain 🌧️

  • Suffolk County experiences moderate rainfall in October, with an average of 6 rainy days and a total precipitation of 164.5 mm.

    • More

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

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

Average dry days
25
Dry days
Average rainy days
6
Rainy days
Average snowy days
0
Snow days
Average temperatures
18°/11°
Temperatures
Average wind speed
23 km/h
Avg max wind
Average humidity
68 %
Avg humidity

Suffolk County Weather October

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

Temperatures trend during October in Suffolk County

See the weather trend as well as the moving average line

October weather in Suffolk County day by day

Click on a date for more information
September November
Date Weather Temperatures Rain UV More
Oct. 1 Overcast
Overcast
 20° /14° 0.1 mm 4
Oct. 2 Overcast
Overcast
 21° /14° 0.2 mm 4
Oct. 3 Overcast
Overcast
 20° /13° 0 mm 5
Oct. 4 Patchy rain possible
Patchy rain possible
 21° /14° 2.2 mm 5
Oct. 5 Patchy rain possible
Patchy rain possible
 23° /15° 0.3 mm 5
Oct. 6 Overcast
Overcast
 19° /14° 0 mm 4
Oct. 7 Moderate or heavy rain shower
Moderate or heavy rain shower
 19° /12° 9.1 mm 4.9
Oct. 8 Heavy rain
Heavy rain
 20° /14° 29.3 mm 4
Oct. 9 Sunny
Sunny
 18° /11° 0 mm 4.7
Oct. 10 Sunny
Sunny
 17° /10° 0 mm 4
Oct. 11 Moderate rain
Moderate rain
 18° /12° 13.6 mm 4
Oct. 12 Heavy rain
Heavy rain
 19° /14° 28.7 mm 4
Oct. 13 Light rain
Light rain
 18° /13° 8.4 mm 4
Oct. 14 Patchy rain possible
Patchy rain possible
 19° /14° 0.6 mm 3
Oct. 15 Cloudy
Cloudy
 16° /11° 0 mm 3
Oct. 16 Light rain
Light rain
 16° /9° 7.2 mm 3
Oct. 17 Patchy rain possible
Patchy rain possible
 16° /7° 1.8 mm 4
Oct. 18 Sunny
Sunny
 15° /8° 0 mm 4
Oct. 19 Sunny
Sunny
 18° /10° 0 mm 3.9
Oct. 20 Moderate rain
Moderate rain
 19° /10° 15 mm 3.8
Oct. 21 Overcast
Overcast
 19° /10° 0 mm 3.7
Oct. 22 Overcast
Overcast
 21° /13° 0 mm 3.7
Oct. 23 Sunny
Sunny
 17° /11° 0 mm 3.6
Oct. 24 Patchy rain possible
Patchy rain possible
 15° /9° 0 mm 3
Oct. 25 Overcast
Overcast
 14° /8° 0 mm 3
Oct. 26 Overcast
Overcast
 17° /10° 0 mm 3
Oct. 27 Partly cloudy
Partly cloudy
 13° /8° 0 mm 3
Oct. 28 Partly cloudy
Partly cloudy
 14° /7° 0 mm 3
Oct. 29 Sunny
Sunny
 17° /12° 0 mm 3.2
Oct. 30 Sunny
Sunny
 20° /12° 0 mm 3.2
Oct. 31 Overcast
Overcast
 13° /9° 0 mm 3.1
Next
Important Notice
Our weather forecast for Suffolk 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 Suffolk County forecast closer to your planned date for the most up-to-date weather information.
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Suffolk County in October - FAQ

What are the expected maximum and minimum temperatures in Suffolk County during October?
Enjoy moderate daytime temperatures of up to 18° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Suffolk County during October?
Significant rainfall exceeding 164.5 mm is expected in Suffolk County during October, occurring over more than 6 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Suffolk County during October?
The average wind speed in Suffolk County during October is 23 km/h, suggesting breezy to windy conditions, depending on your activities.

October rainfall patterns in Suffolk County

Explore the daily rainfall trends and prepare for Suffolk Countys October weather 💧
Typically, Suffolk County has 6 rainy days in October with a total of 164.5 mm of rainfall.

UV exposure in Suffolk County during October

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