Records since 2009 (ties show most recent year) · day max 09-21, night min 21-09 · normals 1991-2020; rain normal is average total and 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 282 days
November so far is cool, very dry and dull, with every day's maximum below normal.
Mean temperature 8.4 °C, 0.7 °C below the 1991–2020 normal; maxima have been below normal on all 9 days and no air frost yet (lowest 2.1 °C on the 9th).
Only 1.6 mm of rain (8% of normal) and no day reaching 1 mm; the largest daily fall was 0.8 mm on the 3rd.
Just 9.0 hours of sunshine (34% of normal), with 5 sunless days.
At least 2 fog days (7th and 8th), equalling the most for the first nine days of November since 2009.
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.
Air pollution
