Daily Report for 25th February 2026


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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 8.7 °C (+5.5) 07:23 5.9 °C (+2.9) 8.7 °C (+5.5), 2026 -1.6 °C (-4.8), 2016
Maximum Temperature 17.3 °C (+8.4) 15:19 10.1 °C (+1.9) 17.5 °C (+8.6), 2019 3.7 °C (-5.2), 2018
Mean Temperature 12.7 °C (+7.0) 7.9 °C (+2.4) 12.7 °C, 2026 1.0 °C, 2018
Minimum Humidity 59% 16:31 76% 84%, 2010 32%, 2019
Maximum Humidity 94% 08:00 93% 98%, 2010 79%, 2012
Mean Humidity 81% 87% 95%, 2010 65%, 2012
Minimum Pressure 1015 hPa 05:03 997 hPa 1035 hPa, 2019 978 hPa, 2010
Maximum Pressure 1018 hPa 23:53 1007 hPa 1038 hPa, 2019 991 hPa, 2010
Mean Pressure 1016 hPa 1002 hPa 1037 hPa, 2019 984 hPa, 2010
Mean Wind Speed 4.4 mph (-0.7) 5.5 mph (+0.4) 9.0 mph, 2017 1.7 mph, 2019
Maximum Wind Speed 11.5 mph 13:00 14.4 mph 18.2 mph, 2024 8.9 mph, 2019
Maximum Gust 17.3 mph 13:38 22.4 mph 27.6 mph, 2020 11.5 mph, 2019
Mean Wind Direction WSW
Rainfall 0.0 mm 90.4 mm (225%) 7.4 mm, 2010
Maximum Hourly Rain n/a 2.5, 2010
Maximum 10-min Rain n/a 0.8, 2010
Maximum Rain Rate n/a 6, 2010
Minimum Dew Point 7.6 °C 07:20 3.7 °C 7.6 °C, 2026 -7.5 °C, 2018
Maximum Dew Point 11.9 °C 11:59 7.7 °C 11.9 °C, 2026 -2.4 °C, 2018
Mean Dew Point 9.4 °C 5.7 °C 9.4 °C, 2026 -5.0 °C, 2018
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 8.7 °C 07:23 6.2 °C 9.5 °C, 2021 -1.3 °C, 2016
Day Maximum (09-21) 17.3 °C 15:14 10.0 °C 17.5 °C, 2019 3.7 °C, 2018
Max 10m Temp Rise 0.5 °C 08:24 0.3 °C 0.8 °C, 2019 0.1 °C, 2013
Max 1hr Temp Rise 2.1 °C 09:00 1.1 °C 3.0 °C, 2019 0.5 °C, 2009
Max 1hr Hum Rise 8% 17:47 6% 16%, 2019 3%, 2011
Max 10m Temp Fall 0.3 °C 03:09 0.4 °C 1.1 °C, 2023 0.1 °C, 2013
Max 1hr Temp Fall 1.2 °C 18:17 1.1 °C 2.8 °C, 2022 0.4 °C, 2013
Max 1hr Hum Fall 8% 13:38 5% 17%, 2019 5%, 2017
Max 10m Wind Speed 9.0 mph 13:08 10.7 mph 14.2 mph, 2021 5.8 mph, 2016
Minimum Feels-like 7.0 °C 06:20 2.3 °C 7.0 °C, 2026 -7.5 °C, 2018
Maximum Feels-like 18.9 °C 15:13 10.2 °C 18.9 °C, 2026 0.1 °C, 2018
Mean Feels-like 13.5 °C 6.3 °C 13.5 °C, 2026 -4.0 °C, 2018
Air-frost Hrs 0 hrs 0.0 hrs 8 hrs, 2018 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 8.6 °C (+2.8) 4.2 °C (-1.0) 15.7 °C (+9.9), 2019 1.3 °C (-4.5), 2009
Humidity Range 35% 16% 60%, 2019 13%, 2009
Pressure Range 3 hPa 9 hPa 15 hPa, 2022 2 hPa, 2009
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 9.3 [98%]20 hrs (28%) [8.8%] 9.5 [100%], 2018 0 [0%], 2009
Wet Hours 095 hrs (205%) [16%] 6, 2010 , 2009
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 10.2 °C
Notes
Detailed daily weather report for Hampstead nw3 in London on 25th February 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

day graph

Webcam Summary of Cloud Conditions

daycamsumFull resolution individual images at up-to 5 minute intervals

Wind rose