Hail History

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Hail history for Olney, MD

Last hail within 10 milesSep 7, 20231 in (quarter)
Hail days, last 12 monthsNone
Largest hail since 20062.75 in (baseball)May 2, 2016
Hail days since 200634
Days with hail 1 inch or larger27
Tornadoes within 10 miles6
Damaging wind reports within 10 miles427

Hail has been reported within 10 miles of Olney on 34 days since 2006. The largest stones measured 2.75 in (baseball) on May 2, 2016. Hail is most common here in April and July.

Olney ranks #509 for hail days among the 1,399 U.S. cities of 25,000 to 100,000 people. See the ranking →

Recent hail near Olney

No hail was reported within 10 miles of Olney in the last two years.

Hail days near Olney by year

106107508209210311112131142154164171821922032122123242526

When hail season peaks near Olney

Of the 34 hail days since 2006, most fell in April (8) and July (7).

JanFeb1Mar8Apr4May6Jun7Jul7Aug1SepOctNovDec

Largest hail storms near Olney

May 2, 2016 · 2.75 in (baseball) · Rockville (8 mi from Olney)

National Weather Service description (English): Reported by DMAM2, hail stone measured 1.5 inches tall by 3 inches wide.

Jul 4, 2007 · 2 in (hen egg) · Laytonsville (9 mi from Olney)

National Weather Service description (English): NWS Storm Survey revealed hen-egg size hail occurred between Laytonsville and Damascus.

Aug 18, 2011 · 1.75 in (golf ball) · Fairland (9 mi from Olney)

National Weather Service description (English): Golf ball sized hail was reported in Calverton.

May 22, 2014 · 1.75 in (golf ball) · Unity (6 mi from Olney)

Jun 2, 2019 · 1.75 in (golf ball) · Rockville (7 mi from Olney)

National Weather Service description (English): Hail up to the size of golf balls (1.75 in diameter) was reported near Rockville.

Tornadoes within 10 miles of Olney

DateRatingWherePath
May 27, 2022EF0Olney
0 mi from Olney
0.2 mi long, 125 yd wide
May 30, 2019EF1Knollwood
8 mi from Olney
4.5 mi long, 100 yd wide
May 23, 2019EF1Highland
8 mi from Olney
5.5 mi long, 150 yd wide
Jun 19, 2017EF0Kemp Mill
9 mi from Olney
0.2 mi long, 100 yd wide
Jun 1, 2012EF0Cedar Grove
9 mi from Olney
0.5 mi long, 75 yd wide
Jun 4, 2008EF0White Oak
9 mi from Olney
0.3 mi long, 50 yd wide

Damaging thunderstorm winds near Olney

427 reports of damaging thunderstorm wind within 10 miles of Olney since 2006, on 157 days. The strongest measured gust was 70 mph on Jun 25, 2020.

DateStrongest gustWhereSource
Sep 3, 2026damage reportedGaithersburg
1 wind report
NWS storm report (preliminary)
Sep 2, 2026damage reportedLaytonsville
1 wind report
NWS storm report (preliminary)
Aug 10, 2026damage reportedRockville, Gaithersburg, Kensington
7 wind reports
NWS storm report (preliminary)
Jul 28, 2026damage reportedGaithersburg, Olney, Rockville
8 wind reports
NWS storm report (preliminary)
Jul 5, 202660 mph, measuredOlney, Laytonsville, Brookeville
9 wind reports
NWS storm report (preliminary)
Jul 4, 2026damage reportedMontgomery Village, Laytonsville, Roxbury Mills
3 wind reports
NWS storm report (preliminary)
Jun 11, 202660 mph, estimatedKensington Estates, Layhill
2 wind reports
NOAA Storm Events
Jun 6, 202660 mph, estimatedFox Chapel, Luxmanor, Brighton
3 wind reports
NOAA Storm Events
Mar 16, 202664 mph, estimatedGlen, Rockville
3 wind reports
NOAA Storm Events
Mar 11, 202664 mph, estimatedFlorence, Middlebrook, Davis Airport
3 wind reports
NOAA Storm Events

Severe thunderstorm wind means gusts of 58 mph or more, or wind that caused damage. Measured gusts come from weather stations; estimated ones from spotters and damage surveys.

Filing a roof or car hail claim?

Insurers ask for the date of loss. The dates on this page are when hail was reported near Olney; hail can hit one street and miss the next, so a report is not proof of damage at your address. A licensed roofer or your insurance adjuster can inspect the roof. Many policies set a time limit for filing a claim — check yours.

Nearby cities

Data: NOAA NCEI Storm Events Database (final records through Jun 30, 2026) and National Weather Service Local Storm Reports (preliminary, since then). Distances are measured from the center of Olney.

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