Halloween Google Search interest scored 7 out of 100 for the week ending August 22, 2026, according to Trends MCP data pulled on August 26. That is up 16.67% from 6 on August 15 and up 75% from 4 on July 25. The 90-day change is 250%, from a 2 on May 23, 2026. The reading matches the same week in 2025 (7 on August 23) and 2024 (7 on August 24). October 31, 2026 falls on a Saturday. The 261-week series still peaks at 100 on October 30, 2021. Neighbor queries are moving faster: halloween costume is up 125% over 30 days, and Spirit Halloween is up 275%.
About Halloween
Halloween is observed each year on October 31, the eve of All Saints' Day in the Western Christian calendar, a night whose English name Wikipedia records as a contraction of All Hallows' Eve and whose 2026 date falls on a Saturday. One origin story ties the date to Celtic Samhain; another tracks a Christian vigil that the Frankish Empire fixed on November 1 in 835. In 609, Pope Boniface IV re-dedicated the Pantheon in Rome to St Mary and all martyrs, an earlier all-saints commemoration on May 13. Irish and Scottish immigrants carried guising, souling, and carved-turnip lanterns to North America in the 19th century. By the early 20th century the night had become a coast-to-coast custom of costumes, jack-o'-lanterns, and trick-or-treating.
The 2026 date is Saturday, October 31. Farmers' Almanac calls that the strongest weekend draw in years because the next morning is Sunday rather than a school or office day. TikTok Trending Searches ranked "Halloween 2026 Falls on a Saturday" at 19 as of August 26, 2026, 18:01 UTC. The holiday is not a federal day off in the United States. Searchers looking up costumes, store hours, and party timing still treat late August as the start of the planning window, which is what the Google Search series is picking up.
What the time series shows
Weekly Google Search interest for halloween sat at 3 from July 4 through July 18, 2026, then stepped to 4 on July 25, 5 on August 1, 6 on August 8 and August 15, and 7 on August 22, a 75% rise over 30 days on the same late-summer staircase that reprints every August. The 90-day move from 2 on May 23 to 7 is 250%. The last 52 week-over-week percent changes have a sample standard deviation of 40.9% across 52 observations, a readable seasonal climb rather than a one-week spike. The most recent 30-day absolute change (3 points) is more than twice the prior 30-day change (1 point from 3 on June 20 to 4 on July 25), so the late-summer slope is still getting steeper.
The all-time peak in this 261-week window is 100 on October 30, 2021. Later Octobers did not reprint that ceiling: 88 on October 29, 2022; 67 on November 4, 2023; 87 on November 2, 2024; 95 on November 1, 2025. Those peaks arrive in the last week of October or the first week of November, then collapse into the single digits by mid-November. The current 7 is 93% below the 2021 peak, which is normal for late August. A 7 in August is the on-ramp, not the destination.
How the 2026 ramp compares with prior years
Same-week August readings line up almost exactly, with 7 on August 22, 2026 matching 7 on August 23, 2025 and 7 on August 24, 2024, while August 26, 2023 printed 6 and August 27, 2022 printed 7 on the same Saturday-aligned week. August 28, 2021, the first point in the stored series, also printed 7. Five of the last six late-August weeks landed on 7. The 2026 curve is not early and not late. It is on the historical rail.
What changes year to year is the October ceiling, not the August start. 2025 reached 95 on November 1. 2024 reached 87 on November 2. 2021 still holds the series high at 100 on October 30. A Saturday Halloween in 2026 could push weekend-party and costume queries, but the August print does not yet show a premium over 2024 or 2025. The chart window from August 24, 2024 captures two full autumn peaks plus the current climb, which is the span that makes the seasonal shape readable.
Nearby queries that are climbing with it
halloween costume, a more commercial query, scored 9 on August 22, 2026, up 28.57% from 7 on August 15 and up 125% from 4 on July 25, outrunning the parent halloween series on the same 30-day Google Search window. Spirit Halloween, the seasonal retailer, scored 15, unchanged week over week but up 275% from 4 on July 25. Pumpkin spice scored 49, up 75% from 28 on August 15 and up 345.45% from 11 on July 25. Those three neighbors confirm the same calendar: costume shopping, pop-up stores, and fall flavor all leave the summer floor in the same four weeks.
The parent halloween query is the slower, broader series. It does not jump 275% because the baseline never fully goes to zero. A 2 in May and a 7 in late August is a 250% 90-day move on a small absolute scale. The useful comparison is same-week August, where 2026 is tied with 2025 and 2024 at 7, with ten weeks left until October 31.