Hourly Weather Forecast - Harpenden, Hertfordshire, GB

12 AM
40°F
10%
10mph
WNW
Mostly Cloudy
Humidity
82%
Feels like
33°F
Dew Point
35°F
1 AM
38°F
10%
9mph
W
Partly Cloudy
Humidity
85%
Feels like
32°F
Dew Point
35°F
2 AM
37°F
10%
8mph
WNW
Partly Cloudy
Humidity
87%
Feels like
31°F
Dew Point
34°F
3 AM
36°F
10%
8mph
W
Partly Cloudy
Humidity
88%
Feels like
30°F
Dew Point
33°F
4 AM
36°F
10%
7mph
W
Partly Cloudy
Humidity
89%
Feels like
30°F
Dew Point
33°F
5 AM
35°F
10%
7mph
W
Mostly Cloudy
Humidity
89%
Feels like
29°F
Dew Point
32°F
5:46 AM
6 AM
36°F
10%
8mph
W
Cloudy
Humidity
85%
Feels like
29°F
Dew Point
32°F
7 AM
38°F
10%
8mph
W
Cloudy
Humidity
86%
Feels like
32°F
Dew Point
34°F
8 AM
42°F
10%
9mph
W
Mostly Cloudy
Humidity
81%
Feels like
37°F
Dew Point
37°F
9 AM
46°F
10%
10mph
WNW
Mostly Cloudy
Humidity
75%
Feels like
41°F
Dew Point
39°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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