Hourly Weather Forecast - Harpenden, Hertfordshire, GB

12 AM
35°F
10%
13mph
WNW
Mostly Clear
Humidity
78%
Feels like
26°F
Dew Point
29°F
1 AM
34°F
0%
12mph
NW
Mostly Clear
Humidity
77%
Feels like
25°F
Dew Point
28°F
2 AM
33°F
0%
12mph
NW
Partly Cloudy
Humidity
77%
Feels like
24°F
Dew Point
27°F
3 AM
33°F
0%
11mph
NW
Partly Cloudy
Humidity
79%
Feels like
24°F
Dew Point
27°F
4 AM
32°F
0%
11mph
NW
Partly Cloudy
Humidity
81%
Feels like
23°F
Dew Point
27°F
5 AM
31°F
0%
11mph
NW
Mostly Clear
Humidity
81%
Feels like
22°F
Dew Point
26°F
5:51 AM
6 AM
32°F
0%
11mph
NW
Partly Cloudy
Humidity
77%
Feels like
23°F
Dew Point
26°F
7 AM
34°F
0%
11mph
NW
Partly Cloudy
Humidity
76%
Feels like
26°F
Dew Point
28°F
8 AM
38°F
0%
13mph
NW
Mostly Sunny
Humidity
70%
Feels like
30°F
Dew Point
29°F
9 AM
41°F
10%
14mph
NW
Mostly Sunny
Humidity
60%
Feels like
34°F
Dew Point
29°F
10 AM
44°F
10%
14mph
NW
Partly Cloudy
Humidity
54%
Feels like
37°F
Dew Point
28°F
11 AM
46°F
10%
14mph
NNW
Partly Cloudy
Humidity
48%
Feels like
40°F
Dew Point
28°F
12 PM
48°F
10%
13mph
NNW
Partly Cloudy
Humidity
44%
Feels like
43°F
Dew Point
27°F
1 PM
49°F
10%
13mph
NNW
Partly Cloudy
Humidity
41%
Feels like
44°F
Dew Point
27°F
2 PM
49°F
10%
13mph
NNW
Partly Cloudy
Humidity
40%
Feels like
44°F
Dew Point
26°F
3 PM
48°F
10%
13mph
NNW
Mostly Cloudy
Humidity
42%
Feels like
42°F
Dew Point
26°F
4 PM
46°F
10%
12mph
NNW
Mostly Cloudy
Humidity
45%
Feels like
41°F
Dew Point
26°F
5 PM
44°F
10%
10mph
NW
Mostly Cloudy
Humidity
48%
Feels like
38°F
Dew Point
26°F
6 PM
42°F
10%
8mph
NW
Mostly Cloudy
Humidity
51%
Feels like
37°F
Dew Point
25°F
6:24 PM
7 PM
40°F
10%
7mph
WNW
Mostly Cloudy
Humidity
56%
Feels like
35°F
Dew Point
26°F
8 PM
39°F
10%
7mph
W
Partly Cloudy
Humidity
61%
Feels like
34°F
Dew Point
26°F
9 PM
38°F
10%
6mph
WNW
Partly Cloudy
Humidity
65%
Feels like
33°F
Dew Point
27°F
10 PM
37°F
10%
6mph
W
Mostly Cloudy
Humidity
68%
Feels like
32°F
Dew Point
27°F
11 PM
36°F
10%
6mph
W
Mostly Cloudy
Humidity
72%
Feels like
31°F
Dew Point
28°F

Today's Severe Weather Outlook

Dangerous Spring Storms Take Aim at Ohio Valley, Mid-Atlantic

Spring is here and Mother Nature is set to bring dangerous thunderstorms to parts of the Great Lakes, Ohio Valley and Mid-Atlantic.

Sunday's High Temperature Outlook

Early Spring Heat Wave Zaps Southwest

Weekend Weather Outlook

Today's 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

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