New Haven (CT)
October
Weather in New Haven, Connecticut for October 2025
Your guide to New Haven weather in October - trends and predictions
In general, the average temperature in New Haven at the beginning of October is 20 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 15.6 °F by the end of October.
With an average of 2 rainy days, New Haven experiences minimal rainfall in October.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
29
Dry days
2
Rainy days
0
Snow days
18°/10°
Temperatures
19 km/h
Avg max wind
69 %
Avg humidity
New Haven Weather October
Move between months or click on a day
Temperatures trend during October in New Haven
See the weather trend as well as the moving average line
October weather in New Haven day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Oct. 1 |  Cloudy | 19° /14° | 0 mm | 4 | |
| Oct. 2 |  Overcast | 18° /11° | 0 mm | 4 | |
| Oct. 3 | Overcast | 19° /13° | 0 mm | 4 | |
| Oct. 4 | Overcast | 20° /13° | 0 mm | 5 | |
| Oct. 5 |  Patchy rain possible | 24° /15° | 0.2 mm | 5 | |
| Oct. 6 |  Partly cloudy | 19° /10° | 0 mm | 5 | |
| Oct. 7 |  Moderate or heavy rain shower | 21° /13° | 22.1 mm | 5 | |
| Oct. 8 | Cloudy | 19° /11° | 0 mm | 4 | |
| Oct. 9 | Partly cloudy | 19° /10° | 0 mm | 5 | |
| Oct. 10 |  Sunny | 15° /8° | 0 mm | 5 | |
| Oct. 11 | Sunny | 19° /7° | 0 mm | 5 | |
| Oct. 12 | Partly cloudy | 21° /12° | 0 mm | 6 | |
| Oct. 13 | Overcast | 15° /8° | 0 mm | 4 | |
| Oct. 14 | Moderate or heavy rain shower | 16° /8° | 7.1 mm | 4 | |
| Oct. 15 | Overcast | 12° /6° | 0 mm | 3 | |
| Oct. 16 | Partly cloudy | 15° /5° | 0 mm | 5 | |
| Oct. 17 | Sunny | 16° /4° | 0 mm | 5 | |
| Oct. 18 | Sunny | 19° /8° | 0 mm | 5 | |
| Oct. 19 | Sunny | 19° /7° | 0 mm | 5 | |
| Oct. 20 | Sunny | 19° /8° | 0 mm | 5 | |
| Oct. 21 | Cloudy | 22° /9° | 0 mm | 5 | |
| Oct. 22 | Sunny | 23° /13° | 0 mm | 6 | |
| Oct. 23 | Overcast | 19° /12° | 0 mm | 4 | |
| Oct. 24 | Overcast | 17° /10° | 0 mm | 4 | |
| Oct. 25 | Overcast | 14° /7° | 0 mm | 3 | |
| Oct. 26 | Overcast | 16° /10° | 0 mm | 4 | |
| Oct. 27 | Sunny | 12° /5° | 0 mm | 4 | |
| Oct. 28 | Sunny | 14° /5° | 0 mm | 4 | |
| Oct. 29 | Overcast | 14° /11° | 0.1 mm | 3 | |
| Oct. 30 | Overcast | 19° /14° | 0 mm | 4 | |
| Oct. 31 |  Mist | 20° /14° | 0 mm | 5 | |
| Next | |||||
Important Notice
Our weather forecast for New Haven 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 New Haven forecast closer to your planned date for the most up-to-date weather information.
Change Month
New Haven in October - FAQ
What are the expected maximum and minimum temperatures in New Haven during October?
Enjoy moderate daytime temperatures of up to 18° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in New Haven during October?
In October, New Haven can expect light to moderate rainfall, totaling 29.5 mm across approximately 2 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in New Haven during October?
The average wind speed in New Haven during October is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
October rainfall patterns in New Haven
Explore the daily rainfall trends and prepare for New Havens October weather 💧
UV exposure in New Haven during October
Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
Quick links
More New Haven weather pages
You are here
Where is New Haven?Get accurate weather forecasts for New Haven, located at latitude 41.308 and longitude -72.928. Stay updated with localized weather information tailored for New Haven.
Found a mistake?
We appreciate your attention to details. Tell us here.