2017
January
February
- February 2 - The Relationship releases "Break Me Open" as a single.
- February 12 - The 59th Grammy Awards ceremony is held. Weezer (The White Album) is nominated in the category "Best Rock Album". Tell Me I'm Pretty by Cage The Elephant wins the award.
- February 27 - Pitchfork publishes its retrospective review of Weezer (The Blue Album), awarding the record a rare 10 out of 10.
March
- March 14 - "Feels Like Summer" leaks on the Russian social network VKontakte.
- March 16 - "Feels Like Summer" is released as a single.
- March 17 - Weezer plays live at SXSW in Austin, TX at Brazos Hall.
- March 18 - Weezer plays live at SXSW in Austin, TX at Stubb's.
- March 21 - Weezer performs "Feels Like Summer" live on Jimmy Kimmel Live!
- March 31 - Weezer plays live in Saskatoon, SK, Canada at SaskTel Centre on the Canada Tour 2017.
April
- April 2 - Weezer plays live in Winnipeg, MB, Canada at MTS Centre on the Canada Tour 2017.
- April 4 - Weezer plays live in Edmonton, AB, Canada at Shaw Conference Centre on the Canada Tour 2017.
- April 5 - Weezer plays live in Calgary, AB, Canada at Grey Eagle Event Centre on the Canada Tour 2017.
- April 6 - Weezer plays live in Dawson Creek, BC, Canada at EnCana Events Centre on the Canada Tour 2017.
- April 8 - Weezer plays live in Penticton, BC, Canada at South Okanagan Events Centre on the Canada Tour 2017.
- April 9 - Weezer plays live in Seattle, WA at The Showbox on the 2017 Tour.
- April 18 - The 2nd The Relationship album, Clara Obscura, is released.
May
- May 3 - Weezer plays live in West Palm Beach, FL at Sunfest 2017 on the 2017 Tour.
- May 4 - Weezer plays live in St. Augustine, FL at the St. Augustine Amphitheatre on the 2017 Tour.
- May 11 - Weezer plays live in Norfolk, VA at the Waterside District on the 2017 Tour.
- May 12 - Weezer plays live in Charlotte, NC at 1065 The End's B-Day Bash on the 2017 Tour.
- May 13 - Weezer plays live in Richmond, VA at XL102's BFD on the 2017 Tour.
- May 14 - Weezer plays live in Columbia, MD at DC101 Kerfuffle 2017 on the 2017 Tour.
- May 15 - Weezer performs "Feels Like Summer" live on The Tonight Show Starring Jimmy Fallon.
- May 17 - Weezer plays live in Las Vegas, NV at Onmia @ Caesars Palace on the 2017 Tour.
- May 19 - Weezer plays live in Gulf Shores, AL at Hangout Music Fest on the 2017 Tour.
- May 28 - Weezer plays live in Boston, MA at Boston Calling on the 2017 Tour.
June
- June 16 - Weezer plays live in Dover, DE at Firefly Music Festival on the 2017 Tour.
- June 17 - Weezer plays live in San Francisco, CA at AT&T Park on the 2017 Tour.
- June 24 - Weezer plays live in Mountain View, CA at ID10T Festival on the 2017 Tour.
- June 25 - Weezer plays live in Pasadena, CA at Arroyo Seco Weekend on the 2017 Tour.
July
- July 14 - Weezer plays live in Welch, MN at Treasure Island Resort & Casino on the 2017 Tour.
- July 15 - Weezer plays live in Mount Pleasant, MI at Soaring Eagle Casino & Resort on the 2017 Tour.
- July 16 - Weezer plays live in Louisville, KY at the Forecastle Festival on the 2017 Tour.
- July 23 - Weezer plays live in Martindale, TX at Float Fest on the 2017 Tour.
August
- August 17 - "Mexican Fender" is released.
- August 17 - Pacific Daydream is announced.
- August 20 - Weezer plays live in Oro-Medonte, ON, Canada at The Big Feastival on the 2017 Tour.
- August 26 - Weezer plays live in Monterrey, Mexico at the Hellow Festival on the 2017 Tour.
September
- September 2 - Weezer plays live in Seattle, WA at the Bumbershoot Festival on the 2017 Tour.
- September 9 - Weezer plays an acoustic set on a boat for Band on a Boat on FM 102.1 in Milwaukee, WI. Songs performed are "Island in the Sun", "Feels Like Summer" and "Buddy Holly".
- September 9 - Weezer plays live in Kansas City, KS at 96.5 The Buzz's Buzz Beach Ball on the 2017 Tour. The song "Mexican Fender" is played live for the first time.
- September 10 - Weezer plays live in St. Louis, MO at LouFest on the 2017 Tour.
- September 14 - "Beach Boys" is released.
- September 15 - Weezer plays live in Del Mar, CA at the KAABOO Festival on the 2017 Tour.
- September 16 - Weezer plays live in Atlanta, GA at the Music Midtown Festival on the 2017 Tour.
- September 17 - Weezer plays live in New York, NY at The Meadows Music and Arts Festival on the 2017 Tour.
- September 18 - Weezer records acoustic versions of "Island in the Sun" and "Feels Like Summer" for EQX's House Sessions.
October
- October 5 - "Weekend Woman" is released.
- October 5 - Weezer plays live in Reno, NV at the Grand Sierra Resort and Casino on the 2017 Tour.
- October 6 - Weezer plays live in Napa, CA at the Silverado Resort and Spa on the 2017 Tour.
- October 7 - Weezer plays live in Morrison, CO at the Red Rocks Amphitheatre on the 2017 Tour. The song "Weekend Woman" is played live for the first time, albeit only the first verse and chorus.
- October 15 - Weezer plays live in Berlin, Germany at the Columbiahalle on the Feels Like Summer Tour in support of Pacific Daydream. The song "Weekend Woman" is played live in full for the first time.
- October 16 - Weezer plays live in Cologne, Germany at the E-Werk on the Feels Like Summer Tour in support of Pacific Daydream.
- October 18 - "Happy Hour" is released as a single. It premieres on Beats 1 with Zane Lowe on Apple Music.
- October 18 - Weezer plays live in Brussels, Belgium at the Ancienne Belgique on the Feels Like Summer Tour. "Happy Hour" and "A Ballad for the Fallen Soldier" are played live for the first time.
- October 19 - Weezer plays live in Paris, France at the Olympia on the Feels Like Summer Tour in support of Pacific Daydream.
- October 20 - "Caveman", a previously unknown song, leaks on /r/weezer.
- October 21 - Weezer plays live in Tilburg, Netherlands at the 013 on the Feels Like Summer Tour in support of Pacific Daydream.
- October 22 - Weezer plays live at Maida Vale Studios in London, United Kingdom on Rock Show with Daniel P. Carter on BBC Radio 1. Songs performed are "Buddy Holly", "Happy Hour", "Island in the Sun" and "Feels Like Summer".
- October 23 - Weezer plays live in Leeds, United Kingdom at the O2 Academy on the Feels Like Summer Tour in support of Pacific Daydream.
- October 24 - Weezer plays live in Glasgow, United Kingdom at the O2 Academy on the Feels Like Summer Tour in support of Pacific Daydream. Weezerpedia co-founder Ohjonas plays Rivers' guitar on stage for "Undone".
- October 25 - Weezer plays live in Manchester, United Kingdom at the O2 Apollo on the Feels Like Summer Tour in support of Pacific Daydream.
- October 27 - Pacific Daydream is released.
- October 27 - Weezer plays acoustic versions of "Happy Hour" and "Island in the Sun" on Loose Ends with Clive Anderson on BBC Radio 4. The show is broadcast the following day.
- October 27 - Weezer plays live in Birmingham, United Kingdom at the O2 Academy on the Feels Like Summer Tour in support of Pacific Daydream.
- October 28 - Loose Ends with Clive Anderson is broadcast on BBC Radio 4 including Weezer's acoustic performances of "Happy Hour" and "Island in the Sun", recorded the previous day.
- October 28 - Weezer plays live in London, United Kingdom at the SSE Arena, Wembley on the Feels Like Summer Tour in support of Pacific Daydream.
- October 30 - Weezer plays "Happy Hour" live on The Late Show with Stephen Colbert.
November
- November 1 - Weezer plays an acoustic set at Amoeba Music in Hollywood, CA.
- November 2 - Weezer plays an acoustic set at Winston House in Venice Beach, CA.
- November 6 - Weezer plays "Happy Hour" live on The Late Late Show with James Corden.