Hourly Weather Forecast - Harpenden, Hertfordshire, GB

2 AM
34°F
0%
2mph
ENE
Hazy
Humidity
92%
Feels like
34°F
Dew Point
32°F
3 AM
34°F
0%
2mph
N
Hazy
Humidity
91%
Feels like
34°F
Dew Point
32°F
4 AM
34°F
0%
2mph
NE
Hazy
Humidity
91%
Feels like
34°F
Dew Point
31°F
5 AM
33°F
0%
2mph
ENE
Partly Cloudy
Humidity
94%
Feels like
33°F
Dew Point
32°F
6 AM
34°F
0%
2mph
NNE
Partly Cloudy
Humidity
95%
Feels like
34°F
Dew Point
33°F
6:00 AM
7 AM
36°F
0%
2mph
ENE
Partly Cloudy
Humidity
92%
Feels like
36°F
Dew Point
34°F
8 AM
40°F
0%
2mph
NNE
Partly Cloudy
Humidity
87%
Feels like
40°F
Dew Point
36°F
9 AM
44°F
0%
2mph
E
Partly Cloudy
Humidity
81%
Feels like
44°F
Dew Point
39°F
10 AM
48°F
0%
3mph
E
Partly Cloudy
Humidity
74%
Feels like
48°F
Dew Point
40°F
11 AM
52°F
0%
3mph
ESE
Partly Cloudy
Humidity
67%
Feels like
52°F
Dew Point
41°F
12 PM
55°F
0%
3mph
ESE
Partly Cloudy
Humidity
61%
Feels like
55°F
Dew Point
42°F
1 PM
57°F
0%
3mph
SE
Partly Cloudy
Humidity
57%
Feels like
57°F
Dew Point
42°F
2 PM
57°F
0%
2mph
NNW
Mostly Cloudy
Humidity
55%
Feels like
57°F
Dew Point
41°F
3 PM
56°F
0%
2mph
N
Cloudy
Humidity
56%
Feels like
56°F
Dew Point
41°F
4 PM
54°F
0%
3mph
N
Cloudy
Humidity
59%
Feels like
54°F
Dew Point
40°F
5 PM
51°F
0%
3mph
N
Cloudy
Humidity
63%
Feels like
51°F
Dew Point
39°F
6 PM
50°F
0%
3mph
NNE
Cloudy
Humidity
66%
Feels like
50°F
Dew Point
39°F
6:17 PM
7 PM
48°F
0%
2mph
N
Cloudy
Humidity
69%
Feels like
48°F
Dew Point
38°F
8 PM
47°F
0%
2mph
N
Cloudy
Humidity
70%
Feels like
47°F
Dew Point
38°F
9 PM
47°F
0%
2mph
N
Cloudy
Humidity
71%
Feels like
47°F
Dew Point
38°F
10 PM
46°F
0%
3mph
NW
Cloudy
Humidity
73%
Feels like
46°F
Dew Point
38°F
11 PM
45°F
0%
4mph
NNW
Mostly Cloudy
Humidity
75%
Feels like
43°F
Dew Point
38°F

Sunday's High Temperature Outlook

Early Spring Heat Wave Zaps Southwest

Much of the Southwest will observe record-breaking heat through the weekend, with high temperatures reminiscent of mid-summer!

Weekend Weather Outlook

Weekend Weather Outlook

Weekly Drought Map for March 19, 2026

Active Weather, Drought Improvements for Eastern Half; Drying Persists Elsewhere

(Image provided by Pixabay.com)

Lightning Safety

A tree knocked over after a storm produced high winds. (provided by PublicDomainPictures via Pixabay.com)

Strong Winds in the Springtime

Story image: WeatherBug user Pat S. captures a plant blooming in Columbia, Md., on February 24, 2017.

When Does Spring Begin?

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