Connecticut (Hartford)
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 19 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 15.1 °F by the end of October.
With an average of 3 rainy days, Connecticut experiences minimal rainfall in October.
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Temperatures
Rain 🌧️
More
28
Dry days
3
Rainy days
0
Snow days
17°/9°
Temperatures
15 km/h
Avg max wind
66 %
Avg humidity
Connecticut Weather October
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  17° | 2 16° | 3 20° | 4  19° | |||
| 5  24° | 6  18° | 7  19° | 8  19° | 9 18° | 10 14° | 11 19° |
| 12 22° | 13 11° | 14 13° | 15 11° | 16 15° | 17 15° | 18 19° |
| 19 21° | 20 22° | 21  23° | 22 26° | 23 18° | 24 15° | 25 15° |
| 26  16° | 27 10° | 28 10° | 29 12° | 30 20° | 31 23° |
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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 | Overcast | 17° /13° | 0 mm | 4 | |
| Oct. 2 | Overcast | 16° /11° | 0 mm | 4 | |
| Oct. 3 | Overcast | 20° /13° | 0 mm | 4 | |
| Oct. 4 | Mist | 19° /14° | 0 mm | 4 | |
| Oct. 5 | Moderate or heavy rain with thunder | 24° /16° | 11.3 mm | 5 | |
| Oct. 6 | Partly cloudy | 18° /10° | 0 mm | 5 | |
| Oct. 7 | Heavy rain | 19° /12° | 33.7 mm | 4 | |
| Oct. 8 | Sunny | 19° /9° | 0 mm | 5 | |
| Oct. 9 | Partly cloudy | 18° /11° | 0 mm | 5 | |
| Oct. 10 | Partly cloudy | 14° /8° | 0 mm | 4 | |
| Oct. 11 | Sunny | 19° /6° | 0 mm | 5 | |
| Oct. 12 | Sunny | 22° /12° | 0 mm | 6 | |
| Oct. 13 | Overcast | 11° /7° | 0 mm | 3 | |
| Oct. 14 | Overcast | 13° /7° | 0 mm | 3 | |
| Oct. 15 | Overcast | 11° /5° | 0 mm | 3 | |
| Oct. 16 | Sunny | 15° /4° | 0 mm | 5 | |
| Oct. 17 | Sunny | 15° /4° | 0 mm | 5 | |
| Oct. 18 | Sunny | 19° /6° | 0 mm | 5 | |
| Oct. 19 | Sunny | 21° /6° | 0 mm | 6 | |
| Oct. 20 | Sunny | 22° /8° | 0 mm | 6 | |
| Oct. 21 | Cloudy | 23° /7° | 0 mm | 5 | |
| Oct. 22 | Sunny | 26° /12° | 0 mm | 7 | |
| Oct. 23 | Mist | 18° /12° | 0 mm | 4 | |
| Oct. 24 | Overcast | 15° /9° | 0 mm | 4 | |
| Oct. 25 | Overcast | 15° /7° | 0 mm | 4 | |
| Oct. 26 | Light rain shower | 16° /8° | 1.7 mm | 4 | |
| Oct. 27 | Partly cloudy | 10° /4° | 0 mm | 4 | |
| Oct. 28 | Cloudy | 10° /5° | 0 mm | 3 | |
| Oct. 29 | Overcast | 12° /7° | 0 mm | 3 | |
| Oct. 30 | Mist | 20° /13° | 0 mm | 5 | |
| Oct. 31 | Fog | 23° /12° | 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 9°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Connecticut during October?
In October, Connecticut can expect light to moderate rainfall, totaling 46.7 mm across approximately 3 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Connecticut during October?
The average wind speed in Connecticut during October is 15 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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