Oswego, NY
New York · Records since 1926–2026
Records for August 11
🔥 Record High
August 11, 1944
+17° from 79° normal❄ Record Low
August 11, 1972
-12° from 63° normalAll-Time Records — Oswego
Top 10 Record Highs — August 11
| # | Temp | Date |
|---|---|---|
| 🏆 | 96°F | August 11, 1944 |
| 2 | 89°F | August 11, 2025 |
| 3 | 89°F | August 11, 2020 |
| 4 | 89°F | August 11, 1964 |
| 5 | 87°F | August 11, 2021 |
| 6 | 87°F | August 11, 2016 |
| 7 | 87°F | August 11, 1985 |
| 8 | 87°F | August 11, 1947 |
| 9 | 86°F | August 11, 2002 |
| 10 | 86°F | August 11, 1940 |
Top 5 Record Lows — August 11
| # | Temp | Date |
|---|---|---|
| 🥶 | 51°F | August 11, 1972 |
| 2 | 52°F | August 11, 1996 |
| 3 | 52°F | August 11, 1994 |
| 4 | 53°F | August 11, 1978 |
| 5 | 53°F | August 11, 1941 |
Heat Wave Summary — Oswego
threshold: 86°F (90th percentile of historical Jun–Aug highs)2026 Daily High Temperature vs Normal
Year to date111 of 222 days with data were above the 1991–2020 normal high for their date.
Days ≥ 90°F Per Year
1927–2026Average Daily High by Decade
Full year · complete decades only
Longest Heat Waves — Oswego
| # | Dates | Days | Peak | Avg High | Avg Overnight Low |
|---|---|---|---|---|---|
| 🏆 | Aug 11, 2002 – Aug 18, 2002 | 8 | 97°F (Aug 14) | 89°F | 69°F |
| 2 | Jul 5, 1993 – Jul 11, 1993 | 7 | 93°F (Jul 6) | 89°F | 69°F |
| 3 | Jul 15, 1977 – Jul 21, 1977 | 7 | 92°F (Jul 20) | 89°F | 69°F |
| 4 | Aug 15, 1995 – Aug 21, 1995 | 7 | 90°F (Aug 19) | 88°F | 67°F |
| 5 | Jul 6, 1988 – Jul 11, 1988 | 6 | 94°F (Jul 9) | 90°F | 67°F |
| 6 | Aug 5, 2001 – Aug 10, 2001 | 6 | 94°F (Aug 9) | 90°F | 70°F |
| 7 | Jul 8, 1987 – Jul 13, 1987 | 6 | 93°F (Jul 12) | 89°F | 70°F |
| 8 | Jul 28, 2002 – Aug 2, 2002 | 6 | 93°F (Aug 2) | 88°F | 71°F |
| 9 | Jul 17, 1991 – Jul 22, 1991 | 6 | 92°F (Jul 20) | 89°F | 70°F |
| 10 | Jun 24, 2005 – Jun 29, 2005 | 6 | 92°F (Jun 25) | 89°F | 67°F |
Heat Waves Per Year
Warm Summer Nights (Jun–Aug)
Nights where the overnight low exceeded the 1991–2020 normal low
Above-Normal Summer Nights Per Year
Average June–August Low by Decade
Overnight lows · complete decades only
Precipitation
Actual vs. 1991–2020 full-month and full-season normals
Monthly Precipitation — Last 24 Months
Blue = actual · dashed line = monthly normal
Annual Precipitation Per Year (1970–2026)
Blue = above average · tan = below average · gold = 2026 (partial)
Heavy Rain Days Per Year (≥ 1.0")
Compare year-to-year changes in days with heavy rainfall (≥ 1.0")
Month in Review — July 2026
Average temperature · July 2026
26th-warmest month on record
20th-warmest July of 100 on record
+1.6° vs. 71.5° average (1991–2020)Longest 90°F Streak in July
2 consecutive days with highs of at least 90°F (Jul 1–2, 2026, peaking at 93°F)
Ties the longest July streak since 2025 (1 year). The July record is 3 days, set in 1952.
Average July Temperature by Year
1926–2026 · 2026 highlighted
Warmest Julys on Record
| # | Year | Avg Temp |
|---|---|---|
| 1 | 2020 | 75.3°F |
| 2 | 1999 | 74.8°F |
| 3 | 2025 | 74.6°F |
| 4 | 2005 | 74.5°F |
| 5 | 1955 | 74.5°F |
| 6 | 2006 | 74.2°F |
| 7 | 2012 | 74.2°F |
| 8 | 2010 | 74.1°F |
| 9 | 2011 | 74.1°F |
| 10 | 1952 | 73.9°F |
Warmest Months on Record (Any Month)
| # | Month | Avg Temp |
|---|---|---|
| 1 | July 2020 | 75.3°F |
| 2 | July 1999 | 74.8°F |
| 3 | July 2025 | 74.6°F |
| 4 | July 2005 | 74.5°F |
| 5 | July 1955 | 74.5°F |
| 6 | August 2016 | 74.5°F |
| 7 | July 2006 | 74.2°F |
| 8 | July 2012 | 74.2°F |
| 9 | July 2010 | 74.1°F |
| 10 | July 2011 | 74.1°F |
Nearby Stations — July 2026
How the same month ranked at the closest reporting stations
| Station | Avg Temp | July Rank |
|---|---|---|
| Oswego, NY | 73.1°F | 20th of 100 |
| Syracuse, NY | 73.5°F | 27th of 124 |
| Rochester, NY | 72.3°F | 53rd of 154 |
| Binghamton, NY | 70.7°F | 25th of 76 |
| Newcomb, NY | 65.9°F | 32nd of 67 |