All Time Record High Heat Index Temperatures for Weather-Watch Stations

This thread contains All Time High Heat Index records for stations owned by Weather-Watch.com Forum users. The thread and the table below are maintained automatically as new records are notified.


Station Record Record Date/Time Prev Record Prev Date/Time
Sherman, Connecticut, USA 64.4 C (147.9 F) 01-May-2024 12:56 64.4 C (147.9 F) 01-May-2024 08:56
Calgary,AB. CA 57.4 C (135.3 F) 30-Jul-2022 14:11
Willowsford Farm, Virginia, USA 49.1 C (120.4 F) 28-Jul-2023 19:11
Layton, Blackpool, UK 36.7 C (98.1 F) 19-Jul-2022 12:30

There’s a new all time record High Heat Index in Sherman, Connecticut, USA

The new record is 40.0 C (104.0 F) at 17:47 on 07-Sep-2023

There’s a new all time record High Heat Index in Calgary,AB. CA

The new record is 57.4 C (135.3 F) at 14:11 on 30-Jul-2022

There’s a new all time record High Heat Index in Willowsford Farm, Virginia, USA

The new record is 49.1 C (120.4 F) at 19:11 on 28-Jul-2023

There’s a new all time record High Heat Index in Layton, Blackpool, UK

The new record is 36.7 C (98.1 F) at 12:30 on 19-Jul-2022

There’s a new all time record High Heat Index in Sherman, Connecticut, USA

The new record is 64.4 C (147.9 F) at 08:56 on 01-May-2024

The previous record was 40.0 C (104.0 F) at 17:47 on 07-Sep-2023

There’s a new all time record High Heat Index in Sherman, Connecticut, USA

The new record is 64.4 C (147.9 F) at 12:56 on 01-May-2024

The previous record was 64.4 C (147.9 F) at 08:56 on 01-May-2024