Williamsport, PA
Pennsylvania · Records since 1895–2026
Records for August 11
🔥 Record High
August 11, 1944
+14° from 84° normal❄ Record Low
August 11, 1941
-16° from 62° normalAll-Time Records — Williamsport
Top 10 Record Highs — August 11
| # | Temp | Date |
|---|---|---|
| 🏆 | 98°F | August 11, 1944 |
| 2 | 98°F | August 11, 1900 |
| 3 | 96°F | August 11, 1988 |
| 4 | 96°F | August 11, 1949 |
| 5 | 95°F | August 11, 1926 |
| 6 | 94°F | August 11, 2020 |
| 7 | 93°F | August 11, 2021 |
| 8 | 93°F | August 11, 2010 |
| 9 | 93°F | August 11, 2002 |
| 10 | 93°F | August 11, 1911 |
Top 5 Record Lows — August 11
| # | Temp | Date |
|---|---|---|
| 🥶 | 46°F | August 11, 1941 |
| 2 | 48°F | August 11, 1972 |
| 3 | 50°F | August 11, 1927 |
| 4 | 51°F | August 11, 1954 |
| 5 | 51°F | August 11, 1909 |
Heat Wave Summary — Williamsport
threshold: 91°F (90th percentile of historical Jun–Aug highs)2026 Daily High Temperature vs Normal
Year to date105 of 221 days with data were above the 1991–2020 normal high for their date.
Days ≥ 90°F Per Year
1895–2026Average Daily High by Decade
Full year · complete decades only
Longest Heat Waves — Williamsport
| # | Dates | Days | Peak | Avg High | Avg Overnight Low |
|---|---|---|---|---|---|
| 🏆 | Jul 4, 1988 – Jul 18, 1988 | 15 | 103°F (Jul 16) | 97°F | 64°F |
| 2 | Jul 14, 1955 – Jul 23, 1955 | 10 | 100°F (Jul 21) | 95°F | 64°F |
| 3 | Aug 27, 1953 – Sep 4, 1953 | 9 | 102°F (Sep 3) | 98°F | 64°F |
| 4 | Jun 18, 1923 – Jun 26, 1923 | 9 | 101°F (Jun 20) | 97°F | 65°F |
| 5 | Jul 17, 2011 – Jul 24, 2011 | 8 | 103°F (Jul 22) | 95°F | 70°F |
| 6 | Aug 2, 1930 – Aug 9, 1930 | 8 | 102°F (Aug 4) | 98°F | 63°F |
| 7 | Aug 10, 1944 – Aug 17, 1944 | 8 | 101°F (Aug 13) | 96°F | 65°F |
| 8 | Jul 16, 1991 – Jul 23, 1991 | 8 | 101°F (Jul 19) | 97°F | 65°F |
| 9 | Jul 7, 1993 – Jul 14, 1993 | 8 | 98°F (Jul 10) | 95°F | 68°F |
| 10 | Aug 11, 2002 – Aug 18, 2002 | 8 | 96°F (Aug 12) | 93°F | 66°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
29th-warmest month on record
26th-warmest July of 130 on record
+1.6° vs. 73.9° average (1991–2020)Longest 90°F Streak in July
4 consecutive days with highs of at least 90°F (Jul 1–4, 2026, peaking at 100°F)
Ties the longest July streak since 2025 (1 year). The July record is 15 days, set in 1988.
100°F Milestone
Williamsport reached 100°F in 2026 — the first time it hit 100°F since 2020 (6 years).
Average July Temperature by Year
1895–2026 · 2026 highlighted
Warmest Julys on Record
| # | Year | Avg Temp |
|---|---|---|
| 1 | 1955 | 79.1°F |
| 2 | 1901 | 78.9°F |
| 3 | 2020 | 78.2°F |
| 4 | 1921 | 78.2°F |
| 5 | 1988 | 77.4°F |
| 6 | 1949 | 77.3°F |
| 7 | 2011 | 77.1°F |
| 8 | 2012 | 76.9°F |
| 9 | 2016 | 76.8°F |
| 10 | 2025 | 76.8°F |
Warmest Months on Record (Any Month)
| # | Month | Avg Temp |
|---|---|---|
| 1 | July 1955 | 79.1°F |
| 2 | July 1901 | 78.9°F |
| 3 | July 2020 | 78.2°F |
| 4 | July 1921 | 78.2°F |
| 5 | July 1988 | 77.4°F |
| 6 | July 1949 | 77.3°F |
| 7 | July 2011 | 77.1°F |
| 8 | July 2012 | 76.9°F |
| 9 | July 2016 | 76.8°F |
| 10 | July 2025 | 76.8°F |
Nearby Stations — July 2026
How the same month ranked at the closest reporting stations
| Station | Avg Temp | July Rank |
|---|---|---|
| Williamsport, PA | 75.5°F | 26th of 130 |
| Avoca, PA | 73.1°F | 44th of 125 |
| Binghamton, NY | 70.7°F | 25th of 76 |
| Reading, PA | 77.1°F | 30th of 130 |
| Mount Pocono, PA | 68.8°F | 23rd of 113 |