Martinsburg, WV
West Virginia · Records since 1891–2026
Records for August 11
🔥 Record High
August 11, 1943
+19° from 86° normal❄ Record Low
August 11, 1972
-15° from 63° normalAll-Time Records — Martinsburg
Top 10 Record Highs — August 11
| # | Temp | Date |
|---|---|---|
| 🏆 | 105°F | August 11, 1943 |
| 2 | 102°F | August 11, 1911 |
| 3 | 98°F | August 11, 2021 |
| 4 | 98°F | August 11, 1944 |
| 5 | 98°F | August 11, 1932 |
| 6 | 98°F | August 11, 1900 |
| 7 | 97°F | August 11, 2010 |
| 8 | 97°F | August 11, 1980 |
| 9 | 96°F | August 11, 1895 |
| 10 | 95°F | August 11, 1973 |
Top 5 Record Lows — August 11
| # | Temp | Date |
|---|---|---|
| 🥶 | 48°F | August 11, 1972 |
| 2 | 53°F | August 11, 2008 |
| 3 | 53°F | August 11, 1930 |
| 4 | 55°F | August 11, 1996 |
| 5 | 55°F | August 11, 1976 |
Heat Wave Summary — Martinsburg
threshold: 94°F (90th percentile of historical Jun–Aug highs)2026 Daily High Temperature vs Normal
Year to date109 of 215 days with data were above the 1991–2020 normal high for their date.
Days ≥ 90°F Per Year
1892–2026Average Daily High by Decade
Full year · complete decades only
Longest Heat Waves — Martinsburg
| # | Dates | Days | Peak | Avg High | Avg Overnight Low |
|---|---|---|---|---|---|
| 🏆 | Jul 19, 1930 – Jul 30, 1930 | 12 | 106°F (Jul 21) | 102°F | 72°F |
| 2 | Jun 20, 1943 – Jun 29, 1943 | 10 | 102°F (Jun 26) | 99°F | 69°F |
| 3 | Aug 26, 1953 – Sep 4, 1953 | 10 | 102°F (Sep 3) | 98°F | 63°F |
| 4 | Aug 8, 1943 – Aug 16, 1943 | 9 | 105°F (Aug 11) | 100°F | 65°F |
| 5 | Jul 27, 1983 – Aug 4, 1983 | 9 | 100°F (Jul 30) | 96°F | 66°F |
| 6 | Jul 17, 1991 – Jul 24, 1991 | 8 | 101°F (Jul 23) | 97°F | 70°F |
| 7 | Jul 19, 1987 – Jul 26, 1987 | 8 | 100°F (Jul 21) | 97°F | 71°F |
| 8 | Jun 19, 1923 – Jun 26, 1923 | 8 | 98°F (Jun 20) | 96°F | 68°F |
| 9 | Jul 26, 1940 – Aug 1, 1940 | 7 | 103°F (Jul 27) | 98°F | 70°F |
| 10 | Jul 30, 1933 – Aug 5, 1933 | 7 | 102°F (Aug 1) | 98°F | 70°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 — June 2026
Average temperature · June 2026
270th-warmest month on record
46th-warmest June of 134 on record
+0.7° vs. 71.5° average (1991–2020)Longest 90°F Streak in June
2 consecutive days with highs of at least 90°F (Jun 11–12, 2026, peaking at 95°F)
The longest June streak since 2025 (1 year). The June record is 11 days, set in 1966.
Average June Temperature by Year
1892–2026 · 2026 highlighted
Warmest Junes on Record
| # | Year | Avg Temp |
|---|---|---|
| 1 | 1943 | 79.5°F |
| 2 | 1892 | 77.7°F |
| 3 | 1934 | 77.3°F |
| 4 | 1925 | 76.8°F |
| 5 | 1922 | 75.0°F |
| 6 | 1937 | 74.9°F |
| 7 | 1973 | 74.2°F |
| 8 | 2010 | 74.2°F |
| 9 | 1994 | 74.0°F |
| 10 | 1923 | 73.9°F |
Warmest Months on Record (Any Month)
| # | Month | Avg Temp |
|---|---|---|
| 1 | July 1999 | 81.4°F |
| 2 | July 1934 | 81.2°F |
| 3 | July 1931 | 80.6°F |
| 4 | July 1935 | 80.2°F |
| 5 | June 1943 | 79.5°F |
| 6 | August 1980 | 79.3°F |
| 7 | July 2025 | 79.2°F |
| 8 | July 1955 | 79.1°F |
| 9 | July 1980 | 79.1°F |
| 10 | July 2011 | 79.1°F |
Nearby Stations — June 2026
How the same month ranked at the closest reporting stations
| Station | Avg Temp | June Rank |
|---|---|---|
| Martinsburg, WV | 72.2°F | 46th of 134 |
| Hagerstown, MD | 72.4°F | 32nd of 125 |
| Sterling-Dulles Airport, VA | 73.9°F | 10th of 65 |
| Washington, DC | 77.7°F | 9th of 155 |
| Baltimore, MD | 74.6°F | 36th of 154 |