Connecticut
On Saturday , none of 2 Connecticut cities had a day more extreme than any in 10 years or more. In the county averages of Tuesday 29 September 2026, 8 of 8 Connecticut counties did.
Cities
| City | Day | High | Low | Precipitation | The day | Month so far, rank | Years compared |
|---|---|---|---|---|---|---|---|
| Bridgeport, CT | 70°F | 57°F | a trace | the warmest 3 October since 2025 | 5 | 79 | |
| Hartford, CT | 72°F | 50°F | 0.00 in | the warmest 3 October since 2025 | 6 | 121 |
Counties
| County | Day | The day in the county average |
|---|---|---|
| Fairfield County, CT Notable | the coldest 29 September day in the county average since 2000 | |
| Hartford County, CT Notable | the coldest 29 September day in the county average since 2012 | |
| Litchfield County, CT Notable | the coldest 29 September day in the county average since 2012 | |
| Middlesex County, CT Notable | the coldest 29 September day in the county average since 2012 | |
| New Haven County, CT Notable | the coldest 29 September day in the county average since 2012 | |
| New London County, CT Notable | the coldest 29 September day in the county average since 2012 | |
| Tolland County, CT Notable | the coldest 29 September day in the county average since 2012 | |
| Windham County, CT Notable | the coldest 29 September day in the county average since 2016 |
Records set this year
- RecordThursday 2 July 2026: a high of 100°F in Hartford, CT, the warmest 2 July on record, in 122 years since 1905; provisional, awaiting the National Weather Service report.
- RecordTuesday 2 June 2026: a low of 40°F in Hartford, CT, the coldest 2 June night on record, in 122 years since 1905; provisional, awaiting the National Weather Service report.
- RecordTuesday 19 May 2026: a high of 96°F in Hartford, CT, the warmest 19 May on record, in 122 years since 1905; provisional, awaiting the National Weather Service report.
- RecordWednesday 15 April 2026: a high of 82°F in Bridgeport, CT, the warmest 15 April on record, in 77 years since 1949 (no value for 1954); provisional, awaiting the National Weather Service report.
- RecordTuesday 10 March 2026: a high of 79°F in Hartford, CT, the warmest 10 March on record, in 122 years since 1905; provisional, awaiting the National Weather Service report.
- Records set this year not listed
- 0
County data for Connecticut use its eight historical counties, as NOAA's county data still do; the Census Bureau replaced them with nine planning regions in 2022.