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Last Full Update: 04 Sep 2026, 00:40 BSTUpdated: 04 Sep 26 00:40
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Daily Report for 3rd September 2026

Bad date specified. Defaulted to most recent report available.

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MeasureValue (anomaly)TimeMonth cumul.Record HighRecord Low
Minimum Temperature18.8 °C (+6.1)02:2415.8 °C (+2.9)18.8 °C (+6.1), 20269.4 °C (-3.3), 2015
Maximum Temperature26.0 °C (+4.9)15:5323.0 °C (+1.8)26.0 °C (+4.9), 202615.9 °C (-5.2), 2015
Mean Temperature21.7 °C (+5.5)19.3 °C (+2.4)21.7 °C, 202612.5 °C, 2015
Minimum Humidity56%15:5356%81%, 202038%, 2012
Maximum Humidity85%05:3785%97%, 201881%, 2019
Mean Humidity74%71%87%, 202569%, 2009
Minimum Pressure1016 hPa23:471018 hPa1027 hPa, 2023993 hPa, 2009
Maximum Pressure1019 hPa10:141021 hPa1029 hPa, 20231003 hPa, 2009
Mean Pressure1018 hPa1020 hPa1028 hPa, 2023998 hPa, 2009
Mean Wind Speed7.8 mph (+3.9)6.1 mph (+2.2)9.8 mph, 20091.0 mph, 2018
Maximum Wind Speed16.0 mph09:3315.3 mph23.9 mph, 20165.6 mph, 2012
Maximum Gust26.5 mph09:3323.8 mph33.9 mph, 20168.1 mph, 2012
Mean Wind Directionn/aWNNW, 2012NE, 2018
Rainfall0.0 mm0.2 mm (4%)17.4 mm, 20250.0 mm, 2010
Maximum Hourly Rainn/a0.1 mm4.8 mm, 20250.3 mm, 2017
Maximum 10-min Rainn/a0.1 mm1.6 mm, 20250.3 mm, 2017
Maximum Rain Raten/a0 mm/h36 mm/h, 20252.4 mm/h, 2024
Minimum Dew Point15.7 °C10:4012.3 °C15.7 °C, 20265.8 °C, 2009
Maximum Dew Point18.3 °C18:4315.8 °C18.6 °C, 202310.9 °C, 2015
Mean Dew Point16.7 °C13.8 °C16.7 °C, 20268.6 °C, 2015
MeasureValueTimeMonth cumul.Record HighRecord Low
Night Minimum (21-09)18.8 °C03:2615.8 °C18.8 °C, 20269.4 °C, 2015
Day Maximum (09-21)26.0 °C15:5323.0 °C26.0 °C, 202615.9 °C, 2015
Max 10m Temp Rise0.4 °C10:550.6 °C1.8 °C, 20090.4 °C, 2020
Max 1hr Temp Rise1.6 °C11:072.1 °C3.8 °C, 20131.4 °C, 2020
Max 1hr Hum Rise7%17:008%18%, 20174%, 2011
Max 10m Temp Fall0.3 °C17:210.4 °C1.4 °C, 20090.3 °C, 2019
Max 1hr Temp Fall1.2 °C21:271.2 °C3.2 °C, 20251.2 °C, 2019
Max 1hr Hum Fall7%10:0211%26%, 20185%, 2021
Max 10m Wind Speed12.0 mph09:3411.4 mph18.5 mph, 20163.9 mph, 2018
Minimum Feels-like23.4 °C01:2518.5 °C23.4 °C, 20267.4 °C, 2015
Maximum Feels-like31.8 °C17:0826.9 °C32.0 °C, 202317.4 °C, 2015
Mean Feels-like26.8 °C22.7 °C26.8 °C, 202613.0 °C, 2015
Air-frost Hrs0 hrs0 hrs0 hrs, 20090 hrs, 2009
Minimum PM2.50.8 µg/m307:101.2 µg/m30.8 µg/m3, 20260.0 µg/m3, 2009
Maximum PM2.56.8 µg/m318:108.6 µg/m36.8 µg/m3, 20266.8 µg/m3, 2026
Mean PM2.52.7 µg/m33.2 µg/m32.7 µg/m3, 20262.7 µg/m3, 2026
MeasureValue (anomaly)Month cumul.Record HighRecord Low
Temperature Range7.2 °C (-1.2)7.3 °C13.0 °C, 20235.5 °C, 2025
Humidity Range29%29%56%, 201210%, 2020
Pressure Range4 hPa3 hPa10 hPa, 20092 hPa, 2010
ObservationDetail
Sun Hoursn/a
Wet Hoursn/a
Cloud Covernot available
EventsNone
CommentsNone known
Observer Absent?No
Pond Temperaturen/a
Notes
Detailed daily weather report for Hampstead, NW3, London on 3rd September 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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