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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 sees moderate rainfall in October, averaging 9 rainy days.

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Average dry days
22
Dry days
Average rainy days
9
Rainy days
Average snowy days
0
Snow days
Average temperatures
18°/11°
Temperatures
Average wind speed
18 km/h
Avg max wind
Average humidity
75 %
Avg humidity

Connecticut in October average weather

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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
Sunny
21° /13° 0 mm 5
Oct. 2 Cloudy
Cloudy
20° /13° 0 mm 5
Oct. 3 Fog
Fog
21° /14° 0 mm 5
Oct. 4 Fog
Fog
21° /16° 0 mm 5
Oct. 5 Fog
Fog
22° /16° 1.7 mm 5
Oct. 6 Light drizzle
Light drizzle
19° /14° 0.7 mm 5
Oct. 7 Light rain shower
Light rain shower
19° /13° 19.5 mm 4
Oct. 8 Patchy rain possible
Patchy rain possible
16° /9° 0.1 mm 4
Oct. 9 Patchy rain possible
Patchy rain possible
18° /11° 0 mm 4
Oct. 10 Light rain shower
Light rain shower
17° /10° 2.5 mm 5
Oct. 11 Partly cloudy
Partly cloudy
20° /9° 0 mm 6
Oct. 12 Overcast
Overcast
19° /12° 0 mm 5
Oct. 13 Sunny
Sunny
18° /9° 0.6 mm 5
Oct. 14 Light rain
Light rain
15° /8° 3.8 mm 4
Oct. 15 Patchy rain possible
Patchy rain possible
14° /7° 0.1 mm 4
Oct. 16 Patchy rain possible
Patchy rain possible
14° /6° 0.2 mm 4
Oct. 17 Patchy rain possible
Patchy rain possible
15° /7° 0.1 mm 4
Oct. 18 Patchy rain possible
Patchy rain possible
18° /10° 0.1 mm 5
Oct. 19 Overcast
Overcast
19° /10° 0 mm 5
Oct. 20 Light rain shower
Light rain shower
16° /13° 30.1 mm 4
Oct. 21 Moderate or heavy rain shower
Moderate or heavy rain shower
19° /12° 9.1 mm 5
Oct. 22 Patchy rain possible
Patchy rain possible
16° /10° 0 mm 5
Oct. 23 Cloudy
Cloudy
15° /9° 0 mm 4
Oct. 24 Overcast
Overcast
16° /8° 0 mm 4
Oct. 25 Overcast
Overcast
16° /9° 0 mm 4
Oct. 26 Cloudy
Cloudy
19° /12° 0.5 mm 5
Oct. 27 Fog
Fog
17° /9° 0 mm 5
Oct. 28 Cloudy
Cloudy
19° /11° 0 mm 5
Oct. 29 Moderate rain
Moderate rain
14° /10° 14 mm 3
Oct. 30 Moderate rain
Moderate rain
15° /10° 5.2 mm 4
Oct. 31 Partly cloudy
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 18° 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?
Significant rainfall exceeding 110.9 mm is expected in Connecticut during October, occurring over more than 9 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Connecticut during October?
The average wind speed in Connecticut during October is 18 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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Location coordinates Where is Connecticut?

Get accurate weather forecasts for Connecticut, located at latitude 41.179 and longitude -73.189. Stay updated with localized weather information tailored for Connecticut.

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