Latest #UK and #ROI #heatwave map after today's (5th Aug) max #temperatures. Map shows no. of consecutive days the heatwave threshold has been reached. When this occurs for 3 (UK) / 5 (ROI) days or more, it's a heatwave. https://www.roostweather.com/ukobs/heatwave_map.php?date=2026-08-05
Dan Harris
@roostweather.bsky.social
Chief Meteorologist @metoffice. FRMetS, CMet, Roostmaster. @rmets.org 'Weather' News co-editor. World famous speedcuber. Personal account, views my own.
Today's (5th August) maximum temperatures and anomalies (compared to '91-'20 average) from SYNOP observations. #Charlwood was the warmest location with a max #temperature of 27.4C. https://www.roostweather.com/ukobs/maxtemp_map.php?date=2026-08-05
5th August minimum temperatures and anomalies (compared to '91-'20 average) from SYNOP observations. #Aboyne No 2 was the coldest low-level (<=300m) location with a min #temperature of 8.9C. https://www.roostweather.com/ukobs/mintemp_map.php?date=2026-08-05
Yesterday's (4th Aug) daily #sunshine totals from SYNOP observations. #Manston was the sunniest location with 12.3 hours of #sun. https://www.roostweather.com/ukobs/dailysunshine_map.php?date=2026-08-04
Latest #UK and #ROI #heatwave map after today's (4th Aug) max #temperatures. Map shows no. of consecutive days the heatwave threshold has been reached. When this occurs for 3 (UK) / 5 (ROI) days or more, it's a heatwave. https://www.roostweather.com/ukobs/heatwave_map.php?date=2026-08-04
Here are all the official SYNOP sites (03xxx group) which recorded their #warmestdayoftheyearsofar on 4th August 2026. @Petagna @GregDewhurst @metoffice
Today's (4th August) maximum temperatures and anomalies (compared to '91-'20 average) from SYNOP observations. #Writtle was the warmest location with a max #temperature of 32.3C. https://www.roostweather.com/ukobs/maxtemp_map.php?date=2026-08-04
4th August minimum temperatures and anomalies (compared to '91-'20 average) from SYNOP observations. #Baltasound No 2 was the coldest low-level (<=300m) location with a min #temperature of 7.5C. https://www.roostweather.com/ukobs/mintemp_map.php?date=2026-08-04
Yesterday's (3rd Aug) daily #sunshine totals from SYNOP observations. #Hurn was the sunniest location with 14.0 hours of #sun. https://www.roostweather.com/ukobs/dailysunshine_map.php?date=2026-08-03
Latest #UK and #ROI #heatwave map after today's (3rd Aug) max #temperatures. Map shows no. of consecutive days the heatwave threshold has been reached. When this occurs for 3 (UK) / 5 (ROI) days or more, it's a heatwave. https://www.roostweather.com/ukobs/heatwave_map.php?date=2026-08-03
Today's (3rd August) maximum temperatures and anomalies (compared to '91-'20 average) from SYNOP observations. #Charlwood was the warmest location with a max #temperature of 34.8C. https://www.roostweather.com/ukobs/maxtemp_map.php?date=2026-08-03
3rd August minimum temperatures and anomalies (compared to '91-'20 average) from SYNOP observations. #Altnaharra No 2 was the coldest location with a min #temperature of 2.4C. https://www.roostweather.com/ukobs/mintemp_map.php?date=2026-08-03
Yesterday's (2nd Aug) daily #sunshine totals from SYNOP observations. #Shoeburyness, Landwick was the sunniest location with 13.3 hours of #sun. https://www.roostweather.com/ukobs/dailysunshine_map.php?date=2026-08-02
Latest #UK and #ROI #heatwave map after today's (2nd Aug) max #temperatures. Map shows no. of consecutive days the heatwave threshold has been reached. When this occurs for 3 (UK) / 5 (ROI) days or more, it's a heatwave. https://www.roostweather.com/ukobs/heatwave_map.php?date=2026-08-02
Today's (2nd August) maximum temperatures and anomalies (compared to '91-'20 average) from SYNOP observations. #Frittenden was the warmest location with a max #temperature of 31.0C. https://www.roostweather.com/ukobs/maxtemp_map.php?date=2026-08-02
2nd August minimum temperatures and anomalies (compared to '91-'20 average) from SYNOP observations. #Katesbridge was the coldest low-level (<=300m) location with a min #temperature of 3.2C. https://www.roostweather.com/ukobs/mintemp_map.php?date=2026-08-02
Yesterday's (1st Aug) daily #sunshine totals from SYNOP observations. #Almondsbury was the sunniest location with 14.2 hours of #sun. https://www.roostweather.com/ukobs/dailysunshine_map.php?date=2026-08-01
Latest #UK and #ROI #heatwave map after today's (1st Aug) max #temperatures. Map shows no. of consecutive days the heatwave threshold has been reached. When this occurs for 3 (UK) / 5 (ROI) days or more, it's a heatwave. https://www.roostweather.com/ukobs/heatwave_map.php?date=2026-08-01
Today's (1st August) maximum temperatures and anomalies (compared to '91-'20 average) from SYNOP observations. #Charlwood was the warmest location with a max #temperature of 27.8C. https://www.roostweather.com/ukobs/maxtemp_map.php?date=2026-08-01
1st August minimum temperatures and anomalies (compared to '91-'20 average) from SYNOP observations. #Katesbridge was the coldest low-level (<=300m) location with a min #temperature of 5.0C. https://www.roostweather.com/ukobs/mintemp_map.php?date=2026-08-01
#July2026 #sunshine totals and anomalies, calculated for 03xxx sites from SYNOP reports. #Leconfield was the sunniest location with a total of 240.3 hours of sun. https://www.roostweather.com/ukobs/sun_month_summary_map.php?month=7&year=2026
Yesterday's (31st Jul) daily #sunshine totals from SYNOP observations. #Almondsbury was the sunniest location with 14.0 hours of #sun. https://www.roostweather.com/ukobs/dailysunshine_map.php?date=2026-07-31
Latest #UK and #ROI #heatwave map after today's (31st Jul) max #temperatures. Map shows no. of consecutive days the heatwave threshold has been reached. When this occurs for 3 (UK) / 5 (ROI) days or more, it's a heatwave. https://www.roostweather.com/ukobs/heatwave_map.php?date=2026-07-31
Today's (31st July) maximum temperatures and anomalies (compared to '91-'20 average) from SYNOP observations. #Charlwood, and #Thorney Island were the warmest spots with a max #temperature of 27.3C. https://www.roostweather.com/ukobs/maxtemp_map.php?date=2026-07-31
#July2026 mean #temperatures and anomalies, estimated for individual 03xxx sites from SYNOP reports. 1 missing ob per site allowed. The estimated UK-wide mean #temperature is 17.6C https://www.roostweather.com/ukobs/temp_month_summary_map.php?month=7&year=2026&minus_days=1&type=mean
31st July minimum temperatures and anomalies (compared to '91-'20 average) from SYNOP observations. #Eskdalemuir was the coldest low-level (<=300m) location with a min #temperature of 2.5C. https://www.roostweather.com/ukobs/mintemp_map.php?date=2026-07-31
Yesterday's (30th Jul) daily #sunshine totals from SYNOP observations. #Charterhall was the sunniest location with 13.4 hours of #sun. https://www.roostweather.com/ukobs/dailysunshine_map.php?date=2026-07-30
Latest #UK and #ROI #heatwave map after today's (30th Jul) max #temperatures. Map shows no. of consecutive days the heatwave threshold has been reached. When this occurs for 3 (UK) / 5 (ROI) days or more, it's a heatwave. https://www.roostweather.com/ukobs/heatwave_map.php?date=2026-07-30
Today's (30th July) maximum temperatures and anomalies (compared to '91-'20 average) from SYNOP observations. #Charlwood was the warmest location with a max #temperature of 30.7C. https://www.roostweather.com/ukobs/maxtemp_map.php?date=2026-07-30
30th July minimum temperatures and anomalies (compared to '91-'20 average) from SYNOP observations. #Aboyne No 2 was the coldest low-level (<=300m) location with a min #temperature of 4.7C. https://www.roostweather.com/ukobs/mintemp_map.php?date=2026-07-30