Hampstead nw3, London - Current Weather

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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.

Live Weather

Data recorded at 17:38:14 GMT
Measure Current - ? s ago Max/Min Rate 24hr mean
icontemp Temperature 5.3 °C   steady 6.3 °C at 14:42
1.1 °C at 07:55
-0.4 °C /hr
-1.6 °C /24hr
3.8 °C
iconhumi Relative Humidity 75%   rising 90% at 08:32
66% at 15:05
+2% /hr
+3% /24hr
79%
icondewp Dew Point 1.2 °C   steady 1.3 °C at 13:29
-0.6 °C at 04:24
+0.0 °C /hr
-1.0 °C /24hr
0.4 °C
iconpres Pressure 1009 hPa   steady 1010 hPa at 11:31
1007 hPa at 01:15
+0 hPa /hr
+6 hPa /24hr
1008 hPa
iconwind Wind 2.2 mph   SSW
Gusting to 4.0 mph
Max Speed: 16.2 mph
Max Gust: 23.0 mph
Max Hr Gust: 19.6 mph
Bft: Light breeze (F2)
6.0 mph
WSW (251°)
iconrain Rainfall 0.0 mm   Max Rate: null
Max Hourly: null
Rate: 0.0 mm/h
Last 10 mins: 0.0 mm
0.0 mm
(total)
Day Temp Range:
5.2 °C
Feels Like:
4.2 °C (Daily Min: -3.5 °C)
10-min Av. Wind:
5.6 mph WSW
Hour Rain:
0.0 mm
Month Rain:
35.0 mm
Last Rain:
40 hours ago
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Live pressure-based forecast: increasing clouds with little temp change.

2017 Weather Report

2017 was the ninth year of records for this weather station, and the seventh complete year in its current location in nw3.
On the whole, it was another warm year, with average rain and sun.
The big news this year was that I completely replaced the weather station with an upgraded model: A Davis VP2, in early Sept. So far it's been working great!

Weather Highlights:

  • Exceptional and extended Spring warmth: From late Feb to late Jun the mean temperature was 2.5C above the long-term average
  • June was the warmest ever, and included a record 5 day spell of maximum temperatures above 30C
  • For the 2nd year running, no month was more than 0.5C below average
  • Bone-dry April: Bested only by April 2011's 2mm, the 3mm in April '17 is our 2nd driest month ever, and just 6% of the expected total
  • Wet summer: Average rainfall for May-Aug was 56% above average (mostly due to several big falls). A welcome change after April
  • Interestingly, the year had only 145 days with measurable rain, a record low, despite the total rain being 6% above avg
  • Sunny January: Fourth year in a row above average, and included 4 days having their maximum possible sunshine
  • On the 10th Dec we had our first substantial snow in five years, with a nice 4cm covering.

More charts

For the website, nw3weather again had its busiest ever year since launching in Sep 2010. Stats:

Summary of Data

Temperature
Mean 12.0 C (+1.3 C from the LTA). Absolute Min and Max: -3.6 C (22nd Jan), and 33.0 C (21st Jun).
Rainfall
Total: 648 mm (+4%) across 145 days (40%) of recordable rain.
Highest daily (starting at midnight) total: 39 mm (9th Aug).
Wettest Month: 89 mm [+112%] (Jul). Most rainy: 20 days (Feb).
Driest: 3 mm [-94%] (Apr) across just 4 days of rainfall.
Sunshine
Total: 1454 hrs (-1%) from a possible 4045. (36%)
Days with more than a minute of sunshine: 311 days (85%).
Sunniest month: 200 hrs [+5%] (Jun). Most sunnier than avg: +62% in Jan
Winter Events
There were three day with lying snow (max: 4cm on 10th Dec), and 6 with falling snow, as well as 21 air frosts [-5] (133 hrs below zero).
Other Events
There were 2 days of hail, 1 with thunder (11th Sep), and 4 with fog at 9am.

These pages are useful for comparing all aspects of the weather across the years .

Weather cam timelapse for 2017 (9am - 3pm)

Report with 24hr video is archived here

Produced: 15th Jan 2018

This weather station has been recording data for 3274 days (2742 at NW3)