Delaware
On Saturday , none of 2 Delaware cities had a day more extreme than any in 10 years or more. In the county averages of Tuesday 29 September 2026, none of 3 Delaware counties did.
Cities
| City | Day | High | Low | Precipitation | The day | Month so far, rank | Years compared |
|---|---|---|---|---|---|---|---|
| Georgetown, DE | 71°F | 61°F | 0.33 in | the warmest 3 October since 2025 | 8 | 80 | |
| Wilmington, DE | 71°F | 59°F | the warmest 3 October since 2025 | 8 | 111 |
- Georgetown, DE has had 61 freezing nights (a low of 32°F or below) in 2026 through 3 October, the most by that date since 2015, tied 47th most of 78 (with 2011).
- Wilmington, DE has had 3 days at 100°F or above in 2026 through 3 October, the most by that date since 1983, tied 3rd most of 111 (with 1983, 1955, 1936 and 1 other year).
Counties
| County | Day | The day in the county average |
|---|---|---|
| Kent County, DE | the warmest 29 September in the county average since 2025 | |
| New Castle County, DE | the warmest 29 September in the county average since 2025 | |
| Sussex County, DE | the warmest 29 September in the county average since 2025 |
Records set this year
- RecordWednesday 15 July 2026: a high of 98°F in Georgetown, DE, the warmest 15 July on record, in 80 years since 1945 (no value for 1946 and 1997); provisional, awaiting the National Weather Service report.
- RecordSaturday 4 July 2026: a high of 102°F in Georgetown, DE, the warmest 4 July on record, in 78 years since 1945 (no value for 1946, 1962, 1979 and 1 other year); provisional, awaiting the National Weather Service report.
- RecordFriday 3 July 2026: a high of 102°F in Georgetown, DE, the warmest 3 July on record, in 80 years since 1945 (no value for 1946 and 1997); provisional, awaiting the National Weather Service report.
- RecordThursday 2 July 2026: a high of 103°F in Wilmington, DE, the warmest 2 July on record, in 113 years since 1894 (no value for 1897, 1898, 1899 and 17 other years); provisional, awaiting the National Weather Service report.
- RecordFriday 12 June 2026: a high of 97°F in Wilmington, DE, the warmest 12 June on record, in 112 years since 1894 (no value for 1897, 1898, 1899 and 18 other years); provisional, awaiting the National Weather Service report.
- RecordFriday 12 June 2026: a high of 97°F in Georgetown, DE, the warmest 12 June on record, in 79 years since 1945 (no value for 1946, 1967 and 1997); provisional, awaiting the National Weather Service report.
- RecordThursday 11 June 2026: a high of 96°F in Georgetown, DE, the warmest 11 June on record, in 80 years since 1945 (no value for 1946 and 1997); provisional, awaiting the National Weather Service report.
- RecordWednesday 20 May 2026: a high of 96°F in Georgetown, DE, the warmest 20 May on record, in 81 years since 1945 (no value for 1946); provisional, awaiting the National Weather Service report.
- RecordTuesday 19 May 2026: a high of 96°F in Wilmington, DE, the warmest 19 May on record, in 113 years since 1894 (no value for 1897, 1898, 1899 and 17 other years); provisional, awaiting the National Weather Service report.
- RecordMonday 18 May 2026: a high of 96°F in Georgetown, DE, the warmest 18 May on record, in 81 years since 1945 (no value for 1946); provisional, awaiting the National Weather Service report.
- RecordThursday 16 April 2026: a high of 90°F in Georgetown, DE, the warmest 16 April on record, in 81 years since 1945 (no value for 1946); provisional, awaiting the National Weather Service report.
- RecordWednesday 15 April 2026: a high of 90°F in Wilmington, DE, the warmest 15 April on record, in 113 years since 1894 (no value for 1897, 1898, 1899 and 17 other years); provisional, awaiting the National Weather Service report.
- RecordWednesday 15 April 2026: a high of 90°F in Georgetown, DE, the warmest 15 April on record, in 81 years since 1945 (no value for 1946); provisional, awaiting the National Weather Service report.
- RecordSaturday 4 April 2026: a high of 82°F in Wilmington, DE, the warmest 4 April on record, in 113 years since 1894 (no value for 1897, 1898, 1899 and 17 other years); provisional, awaiting the National Weather Service report.
- RecordSaturday 4 April 2026: a high of 84°F in Georgetown, DE, the warmest 4 April on record, in 81 years since 1945 (no value for 1946); provisional, awaiting the National Weather Service report.
- RecordWednesday 1 April 2026: a high of 85°F in Wilmington, DE, the warmest 1 April on record, in 113 years since 1894 (no value for 1897, 1898, 1899 and 17 other years); provisional, awaiting the National Weather Service report.
- RecordWednesday 1 April 2026: a high of 84°F in Georgetown, DE, the warmest 1 April on record, in 81 years since 1945 (no value for 1946); provisional, awaiting the National Weather Service report.
- RecordWednesday 11 March 2026: a high of 83°F in Wilmington, DE, the warmest 11 March on record, in 111 years since 1895 (no value for 1897, 1898, 1899 and 18 other years); provisional, awaiting the National Weather Service report.
- RecordWednesday 11 March 2026: a high of 86°F in Georgetown, DE, the warmest 11 March on record, in 80 years since 1945 (no value for 1946 and 1997); provisional, awaiting the National Weather Service report.
- RecordTuesday 10 March 2026: a high of 83°F in Wilmington, DE, the warmest 10 March on record, in 112 years since 1895 (no value for 1897, 1898, 1899 and 17 other years); provisional, awaiting the National Weather Service report.
- RecordTuesday 10 March 2026: a high of 83°F in Georgetown, DE, the warmest 10 March on record, in 80 years since 1945 (no value for 1946 and 1997); provisional, awaiting the National Weather Service report.
- Records set this year not listed
- 0