Records since 2009 (ties show the most recent year) · day max 09-21, night min 21-09 · normals 1991-2020; rain normal is the average total and the share of years with ≥0.2 mm on this date · more records
NW3 Weather is a meteorological observation site located near Hampstead, in North London, UK.
The site was established with an automatic personal weather station
in July 2010 and runs continuously, with updates at least every 60s.
This weather station has been recording data for
17 years and 276 days
Grey, damp and slightly cool, with a record high pressure for the date
Temperatures ranged from 7.4 °C to 11.6 °C, a mean of 9.3 °C, close to the 1991–2020 average. The max was 0.5 °C below normal, the third below-normal max in a row.
Just 0.8 h of sunshine, 27% of normal for early November.
Light rain of 0.8 mm, about a third of the daily average, made it a second wet day running.
Pressure peaked at 1036.1 hPa, the highest for 03 November since records began in 2009 (previously 1031.0 hPa in 2024).
A dull, dry and cool-by-day start to November under exceptionally high pressure
Mean temperature so far is 9.4 °C, near normal, but days have been cool. The average max of 11.1 °C is 1.2 °C below normal and the fourth lowest for 01–03 November since 2009, while nights have been mild (+0.7 °C).
01 November reached only 10.1 °C, the coldest max on record for the date (previously 11.4 °C in 2012 and 2018).
Sunshine totals 3.6 h, 40% of normal and the third dullest start to November since 2009, with 01 November sunless.
Only 1.4 mm of rain has fallen, 21% of normal.
Mean pressure of 1034.7 hPa is the highest for 01–03 November since records began in 2009 (previously 1028.7 hPa in 2024).
2026 so far: the warmest on record and the sunniest since 2009
Mean temperature through 03 November is 14.4 °C, 2.1 °C above the 1991–2020 normal. That's the warmest for the period in station records (previously 13.6 °C in 2022) and in the Hampstead archive back to 1881.
Sunshine totals 1794.5 h, 123% of normal: the sunniest since 2009 (previously 1684.5 h in 2025) and third sunniest in the archive back to 1910.
Rain is near normal at 473.6 mm (95%), despite a 51-day dry spell from 28 June to 17 August, the longest on station record.
Summer brought 77 days reaching 25 °C (the previous record for the period was 48 in 2018), and the year's high was 35.8 °C on 26 June and 13 August. The low was −4.0 °C on 06 January.
Fog has been logged on at least 6 days, already the most for the period since 2009. Snow fell on 2 days in early January.
October 2026: sunniest October on station record, with a wet second half and record early warmth
153.6 hours of sunshine (130% of normal) beat 2018's 153.0 for the sunniest October since 2009. 04 Oct (9.3 h) and 17 Oct (7.6 h) set date records.
Mean 12.9°C, 1.2°C above normal and 7th-warmest of 18 station Octobers. Highs ran 1.8°C above. 04–06 Oct each set a date record, peaking at 22.5°C on the 5th, and 15 Oct set date records for both max (21.2°C) and min (13.9°C). The coldest night was only 6.0°C (21st), the mildest monthly minimum since 2009, with no air frost.
Rain 89.6 mm (138% of normal), 7th-wettest since 2009. A 9-day wet spell (16–24 Oct) ended with 23.8 mm on the 24th, a date record. 07 Oct (7.4 mm) also set one.
Fog was noted at 09 on the 30th. Gusts reached 42.6 mph on the 25th, the 2nd-highest October gust since 2009.
Mean pressure (1019.3 hPa) was the 2nd-highest for October on station record.
