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 274 days
Raw, sunless Sunday brings Hampstead's coldest 1 November maximum on station record
The high reached only 10.1°C, 2.3°C below normal and the lowest 1 Nov maximum since records began here in 2009 (previous low 11.4°C in 2012 and 2018). The low was a mild 7.8°C, giving a mean of 9.4°C.
Not a minute of sunshine under a stubborn sheet of low cloud, the first sunless day since the 28 October dry spell began.
No rain, making five dry days in a row.
Pressure peaked at 1036 hPa, the highest on this date in station records (previous 1031 hPa in 2015).
2026 so far: on course for Hampstead's warmest and sunniest year on record
Mean 14.4°C to 1 Nov, 2.1°C above normal and well clear of 2022's 13.6°C for the same span. It's also the warmest on the long Hampstead record back to 1881. Highs and lows are both at record levels.
1790.9 hours of sunshine (123% of normal) already beat 2025's 1678 for this point. July (315 h) and August were the sunniest and warmest of those months since 2009, as was May for warmth.
77 days reached 25°C and 24 hit 30°C, both far above any previous year to date (48 and 13 in 2018). Peak 35.8°C on 26 Jun and 13 Aug. 9/10 Jul brought a record-warm 21.3°C minimum, and an 18-day run of 25°C+ days (30 Jun–17 Jul) is the longest on record.
Rain 472.2 mm (95% of normal), though very uneven: a record 51-day dry spell (28 Jun–17 Aug) and a bone-dry July against wet Jan, Feb and Jun (each 2nd-wettest since 2009).
Winter was brief: 10 air frosts, low −4.0°C on 6 Jan, and snow on 2 and 6 Jan. At least 6 fog days, already the most for this point of a year.
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. 4 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. 4–6 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. 7 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.
