| March 2011 | Hail | Grantville | $6,530,000 | Literally dozens of reports of large damaging hail were received from the public across southern Coweta county from Grantville, Moreland, eastward to Senoia. Most of the hail was the size of golf balls, but hail the size of baseballs, tennis balls, and even isolated reports of grapefruit-sized hail were received from the Grantville area eastward to just south of Moreland. Hail decreased in size to half-dollars by the time it reached areas just south of Senoia. Significant accumulations of hail were noted on the ground in the area and much of the region was blanketed with a hail cover for an hour or more. Extensive damage was observed to vehicles and roofs of homes in the area. |
| March 2013 | Hail | Grantville | $1,100,000 | The Coweta County Emergency Manager reported golfball sized hail in Grantville. |
| April 2011 | Tornado (EF1) | Grantville | $50,000 | A damage survey conducted by the National Weather Service Forecast Office in Peachtree City, Georgia confirmed that the EF1 tornado, which first touched down in north central Troup county, tracked across far southeast Heard county, and then into Coweta county before lifting. The path length of this tornado within Coweta county was slightly over six miles, while the entire tornado path length was approximately 17 miles. The tornado paralleled Corinth Road as it tracked through southwest Coweta county, lifting near the intersection of Joe Brown Road and Corinth Road, approximately seven miles southwest of Newnan or five miles northwest of Grantville. Within Coweta county, damage was confined primarily to thousands of downed trees, and minor damage to outbuildings and fences. One home sustained major damage and one sustained minor damage. Otherwise, no significant structural damage was observed within Coweta county and there were no fatalities or injuries reported anywhere with this tornado.||[04/27-04/28/11: Tornado #8, County #3-3, EF1, Troup-Heard-Coweta, 2011:017]. |
| March 2011 | Lightning | Grantville | $50,000 | The Coweta County 911 Center reported two lightning-related house fires between Grantville and Moreland in southern Coweta county. No further details or information were provided regarding damages. |
| June 2016 | Thunderstorm Wind | Grantville | $20,000 | The Coweta County 911 center reported numerous trees blown down across the county from around Grantville to northeast of Newnan, including along Alexander Road, Colley Street, Happy Valley Circle, Country Club Road, Buddy West Road, Kory Drive, Macedonia Road, Old Atlanta Highway, and in the Willow Creek Subdivision. |
| June 2002 | Hail | Grantville | $20,000 | Amateur radio and public reports indicated that quarter size hail fell in the Grantville, Moreland, and Sharpsburg vicinities. The hail was large enough to damage some cars on Interstate 85 near the U.S. 29 highway interchange. |
| January 1996 | Flash Flood | Grantville | $10,000 | no account filed |
| May 2020 | Thunderstorm Wind | Grantville | $7,000 | The Coweta County 911 center reported trees and power lines blown down in the Grantville area from near the intersection of Broad Street and Church Street to Bo Bo Banks Road. |
| June 2017 | Thunderstorm Wind | Grantville | $7,000 | The Coweta County Emergency Manager reported a tree blown down onto power lines on Grandma Branch Road. |
| February 2025 | Thunderstorm Wind | Grantville | $6,000 | Tree damage on either side of 1-85 just east of Grantville. |
| April 2017 | Thunderstorm Wind | Grantville | $5,000 | The Coweta County Emergency Manager reported several trees blown down along Grantville Road and Bradbury Road. |
| August 2023 | Thunderstorm Wind | Grantville | $3,000 | Several trees down between hwy 29 and Griffin St East of Grantville. |
| May 2001 | Thunderstorm Wind | Grantville | $3,000 | The Times Herald Newspaper of Newnan reported that strong thunderstorm winds knocked a tree down on a home. |
| March 2026 | Thunderstorm Wind | Grantville | $2,000 | Em reports 2 trees down near coweta heard rd near norwood dr and corinth rd near smokey rd. |
| June 2023 | Thunderstorm Wind | Grantville | $2,000 | Tree fell on powerlines at intersection of Bradbury and Lowry Road. |
| July 2016 | Thunderstorm Wind | Grantville | $2,000 | The Coweta County 911 center reported trees blown down along Coweta-Heard Road near Corinth. |
| July 2011 | Thunderstorm Wind | Grantville | $2,000 | The Coweta County 911 Center reported that two trees were down in the Grantville area and another tree was down on a power line and telephone cables along Washington Street in Newnan. |
| July 2004 | Thunderstorm Wind | Grantville | $2,000 | The Coweta County Fire and Rescue as well as the Coweta County 911 center reported that several trees were down, including some on power lines, between Grantville and Moreland. The most significant damage was in the Moreland area. |
| January 2026 | Thunderstorm Wind | Grantville | $1,000 | EM reports tree down at corinth rd and joe brown rd. |
| January 2026 | Thunderstorm Wind | Grantville | $1,000 | Tree down on the road near the 500 block of bryant boys rd near Drinnen Ln. |
| January 2026 | Thunderstorm Wind | Grantville | $1,000 | Power line down on the road at smokey rd near country ln. |
| March 2025 | Thunderstorm Wind | Grantville | $1,000 | Powerlines downed by thunderstorm winds near Pitts Cir and Griffin St. |
| June 2023 | Thunderstorm Wind | Grantville | $1,000 | Public report of a tree down at Classic Rd and Lowery Rd northeast of Grantville. |
| June 2023 | Thunderstorm Wind | Grantville | $1,000 | Tree reported down near the intersection of W Grantville Rd and Arnold St. |
| June 2022 | Thunderstorm Wind | Grantville | $1,000 | Tree down at Mike Powers Rd and W Grantville Rd. |
| June 2017 | Thunderstorm Wind | Grantville | $1,000 | The Coweta County Emergency Manager reported a tree blown down around the intersection of Griffin Street and Stokes Street. |
| March 1997 | Thunderstorm Wind | Grantville | $1,000 | no account filed |
| June 2002 | Thunderstorm Wind | Grantville | $500 | The Coweta county 911 center reported that three to four trees were blown down on Corinth road in the extreme southwest part of the county near the Heard/Troup county border. |
| July 1994 | Thunderstorm Wind | Grantville | $500 | Thunderstorm winds downed several large trees in Grantville. |
| June 2023 | Hail | Grantville | - | Report of 1 inch hail by public near hwy 29 in Grantville. |
| August 2023 | Thunderstorm Wind | Grantville | - | Multiple trees down on homes in Grantville. Trees on homes on Maple Street, Griffin Street and Cedar Street. |
| June 2023 | Hail | Grantville | - | Social media picture of at least golf ball sized hail in Grantville. |
| November 2022 | Thunderstorm Wind | Grantville | - | Report of a tree down along Corinth Rd near Bryant Boys Rd. |
| June 2022 | Hail | Grantville | - | Quarter-sized hail reported near intersection of Bo Bo Banks Rd and Allen rd. |
| March 2011 | Funnel Cloud | Grantville | - | The public observed a funnel cloud near Grantville. This was well supported by radar data and a tornado warning was in effect for the area at the time. Doppler indicated rotational velocities were briefly near 50 knots at this time. |
| March 2003 | Hail | Grantville | - | The Coweta county 911 center received reports of penny size hail from just northeast of Grantville to east of Newnan in the Thomas Crossroads area. |
| May 2002 | Hail | Grantville | - | An amateur radio operator relayed a report of quarter size hail. |
| July 1998 | Hail | Grantville | - | no account filed |
| June 1998 | Hail | Grantville | - | no account filed |