Alan Mangan's side are hoping to keep up their 100% record.
Castletown Geoghegan manager Alan Mangan says Clonkill will be a tough test for side this weekend.
The reigning Westmeath Hurling Champions can make it three wins from three with victory over their old rivals, having beaten Lough Lene Gaels and Castlepollard in their opening two games.
Clonkill were beaten by Raharney in their previous fixture, but did open their season with a win over Castlepollard.
Mangan says his side need to wary of the challenge that Clonkill will bring:
Throw in is at 6:00pm from Cusack Park this Sunday.
Keeping Up Unbeaten League Start The Aim For Athlone Town Women
Two Pointer Rule Makes Big Difference To Gaelic Football - Emmet McDonnell
Shane Lowry Records Opening Round Of 72
Tullamore Town FC Ready For Red Letter Weekend
Busy Bank Holiday Weekend In Store For Athlone Town
Big Weekend Ahead In Leinster Minor And U20 Hurling Championships
Leinster SFC: Opportunity Beckons For Westmeath
Westmeath Footballer Luke Loughlin Ruled Out For Remainder Of Season
Alex Dunne Set For Action In Miami This Weekend
Fundraising Walk Planned For Westmeath Man Left Paralysed In Freak Accident
Shane Lowry In Action In Miami This Week
Westmeath Secure Leinster Minor Football Quarter Final
CCFL: Two Draws In Senior Division
Potential Hometown Fight On The Cards For Joe Ward
Ava O'Connor Breaks Personal Steeplechase Record
Laois Fixture In Two Weeks A "Massive Game" - Kevin O'Brien
Camross Camogie Honoured In Laois Following Historic All-Ireland Triumph
Athlone Town Secure Vital Win In Women's Premier Division
Laois And Westmeath To Clash In Leinster Camogie Decider