Boston Maximum Daily Temperature is a daily climate and weather series on Kalshi, with markets like “Will the maximum temperature be 63-64° on Oct 22, 2026?”. The Kalshi Eye archive lists 176 of its markets and has 13 days of daily Parquet files from October 12, 2026 to October 24, 2026 (111 MB), with every order book change and trade.

Venue: Kalshi, series KXHIGHTBOS
Category: Climate and Weather, daily
Markets: 176 (158 settled, 12 open)
Files: 13 days, October 12, 2026 to October 24, 2026, 111 MB, 9,597,145 rows
Datasets: Order book (L2, incremental), Order book snapshots (top 10, 1 second), Top of book (every change), Top of book (1-minute bars), Trades

Open Boston Maximum Daily Temperature in Markets to see every day and market, then export the days you need. Free sample files of each dataset are on the Kalshi data page.

Reading the files

Every KXHIGHTBOS trade on October 24, 2026, in DuckDB:

SELECT ts_recv, ticker, yes_price, size, taker_side
FROM 'kalshieye-data/trades/date=2026-10-24/series=KXHIGHTBOS/trades-KXHIGHTBOS-2026-10-24.parquet'
ORDER BY ts_recv;

To test a strategy on this series, see How to backtest Kalshi markets.

Related Kalshi series

Dallas Maximum Temperature (KXHIGHTDAL): 176 markets, 13 days of files
Oklahoma City Maximum High Temperature (KXHIGHTOKC): 176 markets, 13 days of files
San Antonio Daily Maximum Temperature (KXHIGHTSATX): 176 markets, 13 days of files
Seattle Maximum Temperature Daily (KXHIGHTSEA): 176 markets, 13 days of files
Low Temperature Boston (KXLOWTBOS): 176 markets, 13 days of files
High Temperature San Diego (KXHIGHTSAN): 182 markets, 13 days of files

Figures through October 24, 2026. All Kalshi series with pages are listed on Kalshi series.