New Haven County (New Haven)
October
Weather in New Haven County, Connecticut for October 2025
Your guide to New Haven County weather in October - trends and predictions
In general, the average temperature in New Haven County 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 County experiences minimal rainfall in October.
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Temperatures
Rain 🌧️
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29
Dry days
2
Rainy days
0
Snow days
18°/10°
Temperatures
19 km/h
Avg max wind
69 %
Avg humidity
New Haven County Weather October
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Temperatures trend during October in New Haven County
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October weather in New Haven County day by day
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| 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 | |
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Important Notice
Our weather forecast for New Haven 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 New Haven County forecast closer to your planned date for the most up-to-date weather information.
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New Haven County in October - FAQ
What are the expected maximum and minimum temperatures in New Haven County 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 County during October?
In October, New Haven County 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 County during October?
The average wind speed in New Haven County during October is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
October rainfall patterns in New Haven County
Explore the daily rainfall trends and prepare for New Haven Countys October weather 💧
UV exposure in New Haven County during October
Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
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