October
Weather in Connecticut for October 2025
Your guide to Connecticut weather in October - trends and predictions
In general, the average temperature in Connecticut at the beginning of October is 20.4 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 16.6 °F by the end of October.
Connecticut experiences moderate rainfall in October, with an average of 8 rainy days and a total precipitation of 88.3 mm.
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Temperatures
Rain 🌧️
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23
Dry days
8
Rainy days
0
Snow days
17°/11°
Temperatures
19 km/h
Avg max wind
72 %
Avg humidity
Connecticut in October average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  21° | 2  20° | 3  21° | 4 21° | 5 22° | ||
| 6  19° | 7  19° | 8 16° | 9 18° | 10 17° | 11  20° | 12  19° |
| 13 18° | 14 15° | 15 14° | 16 14° | 17 15° | 18 18° | 19 19° |
| 20 16° | 21  19° | 22 16° | 23 15° | 24 16° | 25 16° | 26 19° |
| 27 17° | 28 19° | 29  14° | 30 15° | 31 16° |
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Temperatures trend during October in Connecticut
See the weather trend as well as the moving average line
October weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Oct. 1 | Sunny | 21° /13° | 0 mm | 5 | |
| Oct. 2 | Cloudy | 20° /13° | 0 mm | 5 | |
| Oct. 3 | Fog | 21° /14° | 0 mm | 5 | |
| Oct. 4 | Fog | 21° /16° | 0 mm | 5 | |
| Oct. 5 | Fog | 22° /16° | 1.7 mm | 5 | |
| Oct. 6 | Light drizzle | 19° /14° | 0.7 mm | 5 | |
| Oct. 7 | Light rain shower | 19° /13° | 19.5 mm | 4 | |
| Oct. 8 | Patchy rain possible | 16° /9° | 0.1 mm | 4 | |
| Oct. 9 | Patchy rain possible | 18° /11° | 0 mm | 4 | |
| Oct. 10 | Light rain shower | 17° /10° | 2.5 mm | 5 | |
| Oct. 11 | Partly cloudy | 20° /9° | 0 mm | 6 | |
| Oct. 12 | Overcast | 19° /12° | 0 mm | 5 | |
| Oct. 13 | Sunny | 18° /9° | 0.6 mm | 5 | |
| Oct. 14 | Light rain | 15° /8° | 3.8 mm | 4 | |
| Oct. 15 | Patchy rain possible | 14° /7° | 0.1 mm | 4 | |
| Oct. 16 | Patchy rain possible | 14° /6° | 0.2 mm | 4 | |
| Oct. 17 | Patchy rain possible | 15° /7° | 0.1 mm | 4 | |
| Oct. 18 | Patchy rain possible | 18° /10° | 0.1 mm | 5 | |
| Oct. 19 | Overcast | 19° /10° | 0 mm | 5 | |
| Oct. 20 | Light rain shower | 16° /13° | 30.1 mm | 4 | |
| Oct. 21 | Moderate or heavy rain shower | 19° /12° | 9.1 mm | 5 | |
| Oct. 22 | Patchy rain possible | 16° /10° | 0 mm | 5 | |
| Oct. 23 | Cloudy | 15° /9° | 0 mm | 4 | |
| Oct. 24 | Overcast | 16° /8° | 0 mm | 4 | |
| Oct. 25 | Overcast | 16° /9° | 0 mm | 4 | |
| Oct. 26 | Cloudy | 19° /12° | 0.5 mm | 5 | |
| Oct. 27 | Fog | 17° /9° | 0 mm | 5 | |
| Oct. 28 | Cloudy | 19° /11° | 0 mm | 5 | |
| Oct. 29 | Moderate rain | 14° /10° | 14 mm | 3 | |
| Oct. 30 | Moderate rain | 15° /10° | 5.2 mm | 4 | |
| Oct. 31 | Partly cloudy | 16° /9° | 0 mm | 5 | |
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Important Notice
Our weather forecast for Connecticut 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 Connecticut forecast closer to your planned date for the most up-to-date weather information.
Connecticut in October - FAQ
What are the expected maximum and minimum temperatures in Connecticut during October?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Connecticut during October?
Moderate rainfall is anticipated in Connecticut during October, with a total of 88.3 mm spread over approximately 8 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Connecticut during October?
The average wind speed in Connecticut during October is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
October rainfall patterns in Connecticut
Explore the daily rainfall trends and prepare for Connecticuts October weather 💧
UV exposure in Connecticut during October
Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
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