Weather in Long Island, New York for October 2026
Until now, October 2026 in Long Island 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 Long Island predicts a temperature of 16.7 °C, which is slightly above the historical average.
In general, the average temperature in Long Island 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.
Long Island experiences moderate rainfall in October, with an average of 6 rainy days and a total precipitation of 164.5 mm.
Is October a good time to visit Long Island? check out the best time to travel to Long Island page.
✨ Is October a good time to visit Long Island? – Ask the AI Weatherman
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Long Island Weather October
Temperatures trend during October in Long Island
October weather in Long Island day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Oct. 1 |  Overcast | 20° /14° | 0.1 mm | 4 | |
| Oct. 2 | Overcast | 21° /14° | 0.2 mm | 4 | |
| Oct. 3 | Overcast | 20° /13° | 0 mm | 5 | |
| Oct. 4 |  Patchy rain possible | 21° /14° | 2.2 mm | 5 | |
| Oct. 5 | Patchy rain possible | 23° /15° | 0.3 mm | 5 | |
| Oct. 6 | Overcast | 19° /14° | 0 mm | 4 | |
| Oct. 7 |  Moderate or heavy rain shower | 19° /12° | 9.1 mm | 4.9 | |
| Oct. 8 |  Heavy rain | 20° /14° | 29.3 mm | 4 | |
| Oct. 9 |  Sunny | 18° /11° | 0 mm | 4.7 | |
| Oct. 10 | Sunny | 17° /10° | 0 mm | 4 | |
| Oct. 11 |  Moderate rain | 18° /12° | 13.6 mm | 4 | |
| Oct. 12 | Heavy rain | 19° /14° | 28.7 mm | 4 | |
| Oct. 13 |  Light rain | 18° /13° | 8.4 mm | 4 | |
| Oct. 14 | Patchy rain possible | 19° /14° | 0.6 mm | 3 | |
| Oct. 15 |  Cloudy | 16° /11° | 0 mm | 3 | |
| Oct. 16 | Light rain | 16° /9° | 7.2 mm | 3 | |
| Oct. 17 | Patchy rain possible | 16° /7° | 1.8 mm | 4 | |
| Oct. 18 | Sunny | 15° /8° | 0 mm | 4 | |
| Oct. 19 | Sunny | 18° /10° | 0 mm | 3.9 | |
| Oct. 20 | Moderate rain | 19° /10° | 15 mm | 3.8 | |
| Oct. 21 | Overcast | 19° /10° | 0 mm | 3.7 | |
| Oct. 22 | Overcast | 21° /13° | 0 mm | 3.7 | |
| Oct. 23 | Sunny | 17° /11° | 0 mm | 3.6 | |
| Oct. 24 | Patchy rain possible | 15° /9° | 0 mm | 3 | |
| Oct. 25 | Overcast | 14° /8° | 0 mm | 3 | |
| Oct. 26 | Overcast | 17° /10° | 0 mm | 3 | |
| Oct. 27 |  Partly cloudy | 13° /8° | 0 mm | 3 | |
| Oct. 28 | Partly cloudy | 15° /7° | 0 mm | 3.3 | |
| Oct. 29 | Sunny | 17° /12° | 0 mm | 3.2 | |
| Oct. 30 | Sunny | 20° /12° | 0 mm | 3.2 | |
| Oct. 31 | Overcast | 13° /9° | 0 mm | 3.1 | |
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Long Island in October - FAQ
What are the expected maximum and minimum temperatures in Long Island during October?
How much rainfall should be expected in Long Island during October?
What are the typical wind conditions in Long Island during October?
October rainfall patterns in Long Island
UV exposure in Long Island during October
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.