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Weather in Long Island, New York for October 2025

Your guide to Long Island weather in October - trends and predictions

    Official Weather Alert ⚠️

  • Freeze Watch - See hour by hour.

    • Temperatures

  • Until now, October 2025 in Long Island is slightly cooler than the historical average by -0.9 °F.

  • The forecast for the next days in Long Island predicts temperatures to be around 13 °F, close to the historical average.

  • In general, the average temperature in Long Island at the beginning of October is 21.1 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 13.3 °F by the end of October.

    • Rain 🌧️

  • With an average of 3 rainy days, Long Island experiences minimal rainfall in October.

    • More

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

Average dry days
28
Dry days
Average rainy days
3
Rainy days
Average snowy days
0
Snow days
Average temperatures
19°/11°
Temperatures
Average wind speed
20 km/h
Avg max wind
Average humidity
66 %
Avg humidity

Long Island Weather October

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

Temperatures trend during October in Long Island

See the weather trend as well as the moving average line

October weather in Long Island 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 mm 5
Oct. 2 Overcast
Overcast
 18° /12° 0 mm 5
Oct. 3 Overcast
Overcast
 20° /12° 0 mm 6
Oct. 4 Cloudy
Cloudy
 23° /14° 0 mm 6
Oct. 5 Moderate rain at times
Moderate rain at times
 25° /16° 0.5 mm 6
Oct. 6 Overcast
Overcast
 21° /15° 0 mm 5
Oct. 7 Moderate or heavy rain shower
Moderate or heavy rain shower
 21° /14° 13.6 mm 5
Oct. 8 Overcast
Overcast
 19° /13° 43.9 mm 5
Oct. 9 Sunny
Sunny
 18° /11° 0 mm 6
Oct. 10 Sunny
Sunny
 16° /8° 0 mm 5
Oct. 11 Sunny
Sunny
 19° /11° 0 mm 5
Oct. 12 Partly cloudy
Partly cloudy
 19° /14° 41.8 mm 5
Oct. 13 Overcast
Overcast
 18° /13° 12.6 mm 4
Oct. 14 Patchy rain possible
Patchy rain possible
 17° /12° 0.7 mm 4
Oct. 15 Cloudy
Cloudy
 15° /9° 0 mm 4
Oct. 16 Sunny
Sunny
 14° /6° 0 mm 5
Oct. 17 Sunny
Sunny
 15° /6° 0 mm 5
Oct. 18 Sunny
Sunny
 17° /9° 0 mm 5
Oct. 19 Sunny
Sunny
 20° /11° 0 mm 5
Oct. 20 Sunny
Sunny
 20° /10° 22.5 mm 5
Oct. 21 Overcast
Overcast
 21° /9° 0 mm 5
Oct. 22 Sunny
Sunny
 22° /13° 0 mm 6
Oct. 23 Overcast
Overcast
 18° /11° 0 mm 5
Oct. 24 Patchy rain possible
Patchy rain possible
 15° /10° 0.1 mm 4
Oct. 25 Overcast
Overcast
 13° /8° 0 mm 4
Oct. 26 Sunny
Sunny
 16° /7° 0 mm 0.6
Oct. 27 Sunny
Sunny
 13° /6° 0 mm 0.6
Oct. 28 Partly cloudy
Partly cloudy
 13° /8° 0 mm 0.3
Oct. 29 Patchy rain possible
Patchy rain possible
 11° /9° 1 mm 0.3
Oct. 30 Moderate rain
Moderate rain
 12° /8° 15.9 mm 0
Oct. 31 Heavy rain
Heavy rain
 15° /11° 29 mm 3
Next
Important Notice
Our weather forecast for Long Island 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 Long Island forecast closer to your planned date for the most up-to-date weather information.
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Long Island in October - FAQ

What are the expected maximum and minimum temperatures in Long Island during October?
Enjoy moderate daytime temperatures of up to 19° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Long Island during October?
In October, Long Island can expect light to moderate rainfall, totaling 34.1 mm across approximately 3 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Long Island during October?
The average wind speed in Long Island during October is 20 km/h, suggesting breezy to windy conditions, depending on your activities.

October rainfall patterns in Long Island

Explore the daily rainfall trends and prepare for Long Islands October weather 💧

UV exposure in Long Island during October

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

Quick links

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Location coordinates Where is Long Island?

Get accurate weather forecasts for Long Island, located at latitude 40.817 and longitude -73.066. Stay updated with localized weather information tailored for Long Island.

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