nw3 weather
Hampstead
,
London
Last Full Update: 24 Aug 2026, 12:05 BSTUpdated: 24 Aug 26 12:05
Main
Home Webcam Graphs Forecast Astronomy About
Detailed Data
Rain Sunshine Temperature Wind Humidity Pressure Climate
Historical Data

Data Tables

Daily Monthly

Rankings

Daily Monthly Annual Periods Spells

Reports

Daily Monthly Annual

Charts

Charts Daily Graphs
Other
Photos Blog System External

⚙︎ Site units

Daily Report for 13th August 2011

<<Previous Day
Reset		Next Day>>
MeasureValue (anomaly)TimeMonth cumul.Record HighRecord Low
Minimum Temperature16.1 °C (+1.8)05:2714.3 °C (-0.1)18.1 °C (+3.8), 202010.8 °C (-3.5), 2019
Maximum Temperature21.2 °C (-1.5)13:2423.1 °C (+0.1)35.8 °C (+13.1), 202618.1 °C (-4.6), 2010
Mean Temperature18.3 °C (+0.1)18.5 °C (-0.0)26.7 °C, 202614.3 °C, 2010
Minimum Humidity57%15:1347%69%, 201524%, 2026
Maximum Humidity93%09:0683%94%, 201870%, 2017
Mean Humidity76%66%87%, 201548%, 2026
Minimum Pressure1006 hPa18:251008 hPa1021 hPa, 20161004 hPa, 2014
Maximum Pressure1009 hPa00:461014 hPa1025 hPa, 20261008 hPa, 2014
Mean Pressure1008 hPa1011 hPa1022 hPa, 20261005 hPa, 2014
Mean Wind Speed5.4 mph (+1.4)4.8 mph (+0.8)7.4 mph, 20231.6 mph, 2017
Maximum Wind Speed11.8 mph12.9 mph20.7 mph, 20256.8 mph, 2017
Maximum Gust15.6 mph14:5018.5 mph29.0 mph, 201610.0 mph, 2009
Mean Wind Directionn/aSWNNW, 2017NNE, 2020
Rainfall1.9 mm23.7 mm (105%)10.4 mm, 20150.0 mm, 2012
Maximum Hourly Rain1.7 mm04:170.9 mm5.0 mm, 20150.2 mm, 2018
Maximum 10-min Rain0.8 mm04:170.3 mm2.5 mm, 20100.2 mm, 2018
Maximum Rain Rate5 mm/h04:056 mm/h30 mm/h, 20100.6 mm/h, 2020
Minimum Dew Point11.8 °C17:188.7 °C16.9 °C, 20204.5 °C, 2017
Maximum Dew Point17.9 °C10:5914.6 °C20.8 °C, 20209.6 °C, 2017
Mean Dew Point13.8 °C11.6 °C18.5 °C, 20206.9 °C, 2017
MeasureValueTimeMonth cumul.Record HighRecord Low
Night Minimum (21-09)16.1 °C05:2514.4 °C20.1 °C, 202010.8 °C, 2019
Day Maximum (09-21)21.2 °C13:2323.1 °C35.8 °C, 202618.1 °C, 2010
Max 10m Temp Rise0.6 °C10:550.6 °C1.0 °C, 20090.4 °C, 2015
Max 1hr Temp Rise2.1 °C11:052.3 °C4.1 °C, 20261.3 °C, 2009
Max 1hr Hum Rise6%04:499%18%, 20195%, 2016
Max 10m Temp Fall0.8 °C15:490.6 °C1.2 °C, 20090.3 °C, 2015
Max 1hr Temp Fall2.3 °C22:542.0 °C4.3 °C, 20261.0 °C, 2015
Max 1hr Hum Fall14%12:1613%15%, 20136%, 2021
Max 10m Wind Speed8.0 mph11:418.7 mph12.5 mph, 20234.4 mph, 2017
Minimum Feels-like19.1 °C23:5315.9 °C23.3 °C, 202011.6 °C, 2019
Maximum Feels-like25.5 °C12:2425.8 °C38.9 °C, 202620.4 °C, 2013
Mean Feels-like21.6 °C20.7 °C29.7 °C, 202616.4 °C, 2013
Air-frost Hrs0 hrs0 hrs0 hrs, 20090 hrs, 2009
Minimum PM2.5n/a0.0 µg/m34.8 µg/m3, 20260.0 µg/m3, 2009
Maximum PM2.5n/a0.0 µg/m311.6 µg/m3, 202611.6 µg/m3, 2026
Mean PM2.5n/a0.0 µg/m36.8 µg/m3, 20266.8 µg/m3, 2026
MeasureValue (anomaly)Month cumul.Record HighRecord Low
Temperature Range5.1 °C (-3.3)8.8 °C19.4 °C, 20264.2 °C, 2015
Humidity Range36%36%58%, 202623%, 2025
Pressure Range3 hPa6 hPa12 hPa, 20151 hPa, 2010
ObservationDetail
Sun Hours3 hrs [22%]
Wet Hours1 hrs
Cloud Coveram: Overcast transitioned to Partly Cloudy
pm: Hazy transitioned to Overcast
EventsNone
Comments04 M? 07?08 L Shs
Observer Absent?No
Pond Temperature0.0 °C
Notes
Detailed daily weather report for Hampstead, NW3, London on 13th August 2011. 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.

View monthly summary

Daily Graph of Conditions

Wind direction

Air pollution

Wind rose

Webcam Summary of Cloud Conditions

Webcam summary not available for this day.

⬆︎ Top

📱︎ Lite view

🏠︎ Home

⚒︎ Built by Ben Masschelein-Rodgers

🌲︎ Located in Hampstead, London

☀︎ Sister station: RWC Weather

📧︎ Contact / Social

© nw3weather 2010-2026

🔧︎ Version 5.0 -- page load: 0.07 s