October in Connecticut is cool and its wettest month at Hartford: NOAA's 1991–2020 normals for Hartford Bradley International Airport give an average high of 63.5°F, a low of 42.4°F and 4.52 inches of precipitation, while Bridgeport's normals are a 64.4°F high and a 48.3°F low. This page is a dated monthly snapshot reviewed October 19, 2026, not live weather or a live events feed.
Connecticut this month
A dated monthly snapshot of Connecticut weather normals and verified event dates.
This month at a glance
| Topic | Detail |
|---|---|
| Hartford high / low | 63.5°F / 42.4°F (NOAA 1991–2020, Bradley International Airport); 4.52 inches |
| Bridgeport high / low | 64.4°F / 48.3°F; 3.84 inches |
| New Haven high / low | 63.8°F / 45.5°F; 3.78 inches |
| Schedules | Mystic Seaport moves to reduced late-fall hours on November 2 |
For live conditions use the National Weather Service. See the events page.
How this page is maintained
We update it monthly; last review October 19, 2026. Between reviews it may be out of date.
Weather and what to wear
NOAA monthly normals.
Climate table →
This week
Verified schedule notes.
Events →
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Best time to visit →
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Compare regions →Frequently asked questions
Is this page updated daily?
No. It is a monthly snapshot.
Where do the numbers come from?
NOAA NCEI climate normals and the venues; see sources below.
What should I wear in October?
NOAA's normals suggest cool days and chilly nights; bring layers and rain gear.
Sources
Facts on this page were read from the sources below on October 19, 2026. Hours, fares, prices and event dates change — confirm with the source before you travel. How we research and update.
- U.S. Climate Normals 1991-2020, Hartford Bradley International Airport (USW00014740) — NOAA National Centers for Environmental Information
- Hours & Tickets — Mystic Seaport Museum