Daily Report for 31st August 2026

Bad date specified. Defaulted to most recent report available.

Measure	Value (anomaly)	Time	Month cumul.	Record High	Record Low
Minimum Temperature	14.9 °C (+1.9)	06:21	15.4 °C (+1.3)	16.1 °C (+3.1), 2009	6.7 °C (-6.3), 2012
Maximum Temperature	23.5 °C (+2.1)	15:11	26.7 °C (+4.2)	25.4 °C (+4.0), 2009	15.7 °C (-5.7), 2015
Mean Temperature	18.1 °C (+2.0)		21.0 °C (+2.8)	19.4 °C, 2009	12.5 °C, 2020
Minimum Humidity	54%	14:06	41%	89%, 2015	34%, 2009
Maximum Humidity	83%	02:42	80%	96%, 2009	80%, 2012
Mean Humidity	72%		61%	92%, 2015	57%, 2013
Minimum Pressure	1006 hPa	02:55	1014 hPa	1029 hPa, 2021	1003 hPa, 2025
Maximum Pressure	1020 hPa	23:49	1019 hPa	1032 hPa, 2021	1006 hPa, 2025
Mean Pressure	1012 hPa		1016 hPa	1030 hPa, 2021	1005 hPa, 2025
Mean Wind Speed	5.9 mph (+1.9)		4.2 mph (+0.2)	6.7 mph, 2025	0.2 mph, 2020
Maximum Wind Speed	16.9 mph	15:29	12.9 mph	19.0 mph, 2025	5.3 mph, 2020
Maximum Gust	23.0 mph	15:30	20.0 mph	32.3 mph, 2025	7.8 mph, 2011
Mean Wind Direction	n/a		SSW	NNW, 2013	N, 2015
Rainfall	1.6 mm		12.8 mm (24%)	17.5 mm, 2015	0.0 mm, 2009
Maximum Hourly Rain	1.6 mm	15:43	0.2 mm	9.3 mm, 2015	1.6 mm, 2026
Maximum 10-min Rain	1.0 mm	15:37	0.2 mm	3.9 mm, 2015	1.0 mm, 2026
Maximum Rain Rate	7 mm/h	15:31	1.4 mm/h	54 mm/h, 2015	7 mm/h, 2026
Minimum Dew Point	11.1 °C	23:37	9.9 °C	12.8 °C, 2015	2.7 °C, 2012
Maximum Dew Point	15.6 °C	16:25	14.9 °C	17.9 °C, 2009	7.8 °C, 2012
Mean Dew Point	13.0 °C		12.5 °C	13.5 °C, 2024	4.6 °C, 2012
Measure	Value	Time	Month cumul.	Record High	Record Low
Night Minimum (21-09)	14.9 °C	06:22	15.4 °C	16.1 °C, 2009	6.7 °C, 2012
Day Maximum (09-21)	23.5 °C	15:11	26.7 °C	25.4 °C, 2009	15.4 °C, 2015
Max 10m Temp Rise	0.7 °C	12:23	0.8 °C	0.8 °C, 2010	0.2 °C, 2015
Max 1hr Temp Rise	2.0 °C	09:19	2.8 °C	3.9 °C, 2010	0.8 °C, 2015
Max 1hr Hum Rise	25%	16:17	12%	25%, 2026	2%, 2015
Max 10m Temp Fall	2.6 °C	15:37	0.8 °C	2.6 °C, 2026	0.2 °C, 2015
Max 1hr Temp Fall	4.6 °C	15:57	2.4 °C	4.7 °C, 2019	0.6 °C, 2015
Max 1hr Hum Fall	8%	19:15	12%	15%, 2009	1%, 2015
Max 10m Wind Speed	10.9 mph	09:55	9.4 mph	13.9 mph, 2025	2.6 mph, 2020
Minimum Feels-like	16.9 °C	05:53	17.3 °C	17.8 °C, 2009	4.2 °C, 2012
Maximum Feels-like	27.0 °C	15:11	29.6 °C	28.4 °C, 2009	17.6 °C, 2020
Mean Feels-like	20.9 °C		23.6 °C	22.7 °C, 2009	12.6 °C, 2012
Air-frost Hrs	0 hrs		0 hrs	0 hrs, 2009	0 hrs, 2009
Minimum PM2.5	0.4 µg/m³	06:20	2.7 µg/m³	0.4 µg/m³, 2026	0.0 µg/m³, 2009
Maximum PM2.5	11.6 µg/m³	19:55	13.7 µg/m³	11.6 µg/m³, 2026	11.6 µg/m³, 2026
Mean PM2.5	2.8 µg/m³		6.1 µg/m³	2.8 µg/m³, 2026	2.8 µg/m³, 2026
Measure	Value (anomaly)		Month cumul.	Record High	Record Low
Temperature Range	8.6 °C (+0.2)		11.3 °C	11.3 °C, 2012	1.6 °C, 2015
Humidity Range	29%		39%	62%, 2009	4%, 2015
Pressure Range	14 hPa		5 hPa	14 hPa, 2026	1 hPa, 2011

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 31st 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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