Daily Report for 19th August 2026

Bad date specified. Defaulted to most recent report available.

Measure	Value (anomaly)	Time	Month cumul.	Record High	Record Low
Minimum Temperature	16.7 °C (+2.7)	06:27	15.8 °C (+1.4)	17.7 °C (+3.7), 2012	9.1 °C (-4.9), 2011
Maximum Temperature	25.6 °C (+3.3)	16:55	28.6 °C (+5.7)	29.5 °C (+7.2), 2012	18.1 °C (-4.2), 2014
Mean Temperature	20.2 °C (+3.0)		22.4 °C (+3.5)	23.6 °C, 2012	13.8 °C, 2014
Minimum Humidity	39%	18:57	36%	85%, 2020	35%, 2009
Maximum Humidity	86%	05:20	78%	97%, 2011	76%, 2014
Mean Humidity	65%		56%	92%, 2020	56%, 2013
Minimum Pressure	1004 hPa	18:06	1016 hPa	1018 hPa, 2018	1000 hPa, 2020
Maximum Pressure	1011 hPa	00:00	1021 hPa	1026 hPa, 2013	1009 hPa, 2016
Mean Pressure	1006 hPa		1018 hPa	1019 hPa, 2018	1005 hPa, 2020
Mean Wind Speed	5.2 mph (+1.2)		3.9 mph (-0.1)	7.1 mph, 2023	2.6 mph, 2012
Maximum Wind Speed	15.3 mph	18:31	12.3 mph	22.3 mph, 2016	9.2 mph, 2012
Maximum Gust	25.3 mph	20:00	18.6 mph	30.6 mph, 2016	12.5 mph, 2013
Mean Wind Direction	n/a		SW	NW, 2013	E, 2025
Rainfall	1.0 mm		1.6 mm (5%)	11.5 mm, 2020	0.0 mm, 2009
Maximum Hourly Rain	0.6 mm	04:04	0.1 mm	3.5 mm, 2020	0.2 mm, 2019
Maximum 10-min Rain	0.2 mm	04:04	0.0 mm	0.9 mm, 2015	0.2 mm, 2019
Maximum Rain Rate	0.4 mm/h	04:04	0.1 mm/h	18 mm/h, 2015	0.4 mm/h, 2026
Minimum Dew Point	8.4 °C	21:08	9.6 °C	14.6 °C, 2023	4.1 °C, 2014
Maximum Dew Point	14.9 °C	01:27	15.0 °C	19.8 °C, 2012	8.5 °C, 2014
Mean Dew Point	12.9 °C		12.4 °C	16.8 °C, 2020	5.7 °C, 2014
Measure	Value	Time	Month cumul.	Record High	Record Low
Night Minimum (21-09)	16.7 °C	06:31	15.8 °C	19.1 °C, 2022	9.1 °C, 2011
Day Maximum (09-21)	25.6 °C	16:56	28.6 °C	29.5 °C, 2012	18.1 °C, 2014
Max 10m Temp Rise	0.8 °C	11:39	0.8 °C	0.9 °C, 2012	0.2 °C, 2016
Max 1hr Temp Rise	2.2 °C	13:57	3.1 °C	3.2 °C, 2012	0.7 °C, 2016
Max 1hr Hum Rise	9%	22:09	12%	16%, 2012	3%, 2020
Max 10m Temp Fall	0.8 °C	19:07	0.8 °C	1.0 °C, 2019	0.3 °C, 2020
Max 1hr Temp Fall	2.6 °C	19:54	2.5 °C	2.6 °C, 2013	0.9 °C, 2021
Max 1hr Hum Fall	10%	12:18	12%	17%, 2013	3%, 2020
Max 10m Wind Speed	11.6 mph	19:06	8.8 mph	16.2 mph, 2016	6.7 mph, 2012
Minimum Feels-like	19.1 °C	23:55	17.6 °C	22.3 °C, 2012	7.9 °C, 2011
Maximum Feels-like	28.1 °C	16:28	31.5 °C	34.7 °C, 2012	18.1 °C, 2014
Mean Feels-like	23.0 °C		25.0 °C	28.7 °C, 2012	13.8 °C, 2014
Air-frost Hrs	0 hrs		0 hrs	0 hrs, 2009	0 hrs, 2009
Minimum PM2.5	2.1 µg/m³	23:56	2.6 µg/m³	2.1 µg/m³, 2026	0.0 µg/m³, 2009
Maximum PM2.5	12.2 µg/m³	22:55	12.6 µg/m³	12.2 µg/m³, 2026	12.2 µg/m³, 2026
Mean PM2.5	4.2 µg/m³		5.7 µg/m³	4.2 µg/m³, 2026	4.2 µg/m³, 2026
Measure	Value (anomaly)		Month cumul.	Record High	Record Low
Temperature Range	8.9 °C (+0.6)		12.8 °C	14.6 °C, 2009	3.1 °C, 2016
Humidity Range	47%		42%	52%, 2009	9%, 2016
Pressure Range	7 hPa		5 hPa	14 hPa, 2013	2 hPa, 2021

Observation	Detail
Sun Hours	n/a
Wet Hours	n/a
Cloud Cover	not available
Events	None
Comments	None known
Observer Absent?	No
Pond Temperature	n/a

Notes: Detailed daily weather report for Hampstead, NW3, London on 19th August 2026. Times of extremes use the midpoint of the longest continuous period at that value. Cumulative anomalies are relative to the expected value for the month-to-date. Sun and wet hours are derived from webcam/rainfall analysis and may be adjusted. Data should be viewed with appropriate caution.

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Daily Graph of Conditions

Wind direction

Air pollution

Wind rose

Webcam Summary of Cloud Conditions

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