Daily Report for 29th July 2026


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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 16.4 °C (+1.7) 05:49 15.8 °C (+1.6) 16.6 °C (+1.9), 2016 10.5 °C (-4.2), 2015
Maximum Temperature 34.1 °C (+10.8) 15:01 28.7 °C (+5.7) 34.1 °C (+10.8), 2026 18.9 °C (-4.4), 2012
Mean Temperature 26.3 °C (+6.3) 22.5 °C (+3.6) 26.3 °C, 2026 14.8 °C, 2012
Minimum Humidity 27% 17:28 38% 69%, 2018 27%, 2026
Maximum Humidity 84% 05:46 80% 93%, 2018 79%, 2010
Mean Humidity 54% 58% 84%, 2018 54%, 2026
Minimum Pressure 1013 hPa 18:07 1020 hPa 1022 hPa, 2011 1004 hPa, 2018
Maximum Pressure 1018 hPa 00:00 1024 hPa 1026 hPa, 2024 1010 hPa, 2023
Mean Pressure 1015 hPa 1022 hPa 1024 hPa, 2011 1007 hPa, 2018
Mean Wind Speed 3.4 mph (-0.9) 4.4 mph (+0.1) 8.4 mph, 2018 1.1 mph, 2022
Maximum Wind Speed 14.3 mph 16:53 12.5 mph 18.9 mph, 2018 7.3 mph, 2022
Maximum Gust 23.0 mph 17:28 19.4 mph 36.0 mph, 2009 11.5 mph, 2025
Mean Wind Direction W
Rainfall 0.0 mm 0.0 mm (0%) 7.4 mm, 2017
Maximum Hourly Rain n/a 3.9, 2017
Maximum 10-min Rain n/a 2.5, 2012
Maximum Rain Rate n/a 80, 2017
Minimum Dew Point 11.8 °C 17:28 10.5 °C 12.9 °C, 2016 4.2 °C, 2012
Maximum Dew Point 17.0 °C 12:38 15.8 °C 18.3 °C, 2018 9.9 °C, 2015
Mean Dew Point 15.1 °C 13.3 °C 15.1 °C, 2018 7.5 °C, 2015
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 16.4 °C 05:49 15.9 °C 16.6 °C, 2016 10.5 °C, 2015
Day Maximum (09-21) 34.1 °C 15:02 28.7 °C 34.1 °C, 2026 18.9 °C, 2012
Max 10m Temp Rise 1.1 °C 07:52 0.8 °C 1.1 °C, 2026 0.3 °C, 2018
Max 1hr Temp Rise 4.4 °C 07:50 2.7 °C 4.4 °C, 2026 1.1 °C, 2018
Max 1hr Hum Rise 10% 20:21 9% 20%, 2012 5%, 2025
Max 10m Temp Fall 0.6 °C 01:55 0.7 °C 1.6 °C, 2012 0.3 °C, 2010
Max 1hr Temp Fall 2.5 °C 02:05 2.3 °C 3.8 °C, 2012 1.2 °C, 2015
Max 1hr Hum Fall 17% 07:56 10% 17%, 2013 4%, 2018
Max 10m Wind Speed 11.0 mph 14:25 9.1 mph 13.6 mph, 2013 4.0 mph, 2022
Minimum Feels-like 19.5 °C 06:02 18.0 °C 20.2 °C, 2016 10.7 °C, 2015
Maximum Feels-like 38.4 °C 13:42 32.3 °C 38.4 °C, 2026 19.2 °C, 2015
Mean Feels-like 30.3 °C 25.5 °C 30.3 °C, 2026 15.2 °C, 2015
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Minimum PM2.5 5 08:57 5 5, 2026 0, 2021
Maximum PM2.5 11 22:15 17 11, 2026 11, 2026
Mean PM2.5 6 10 6, 2026 6, 2026
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 17.7 °C (+9.1) 12.9 °C (+4.1) 17.7 °C (+9.1), 2026 4.2 °C (-4.4), 2018
Humidity Range 57% 42% 57%, 2026 24%, 2018
Pressure Range 6 hPa 5 hPa 7 hPa, 2009 1 hPa, 2016
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 14.1 [99%]308 hrs (168%) [72%] 14.1 [99%], 2026 0 [0%], 2018
Wet Hours 00 hrs (0%) [0%] 6, 2017 0, 2010
Cloud Cover unknown
Events Maximum possible sunshine
Comments data is awaiting quality control from site operator
Extra Comments
Issues None known
Observer Absent? Yes - observations may be unreliable
Pond Temperature @ Hampstead Heath 22.0 °C
Notes
Detailed daily weather report for Hampstead nw3 in London on 29th July 2026.
Times of extremes are computed using the midpoint of the longest continuous period at that extreme value.
Cumulative anomalies are reported according to the expected value for the month-to-date rather than month-end.
Sun hrs are derived based on analysis of webcam observations, but may use data from our closest site, Heathrow, when needed.
Wet hrs are dervied algorithmically from rainfall data, though may be adjusted manually.
Rainfall totals may be manually adjusted after the fact to correct delayed or erroneous data.
Cloud cover and Events are manually reported, often with multi-week delays.
Data is generally reliable and accurate but should always be viewed with some quantity of salt to hand.
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Daily Graph of Conditions

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Webcam Summary of Cloud Conditions

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Wind rose