Hourly Weather Forecast - Harpenden, Hertfordshire, GB

12 AM
41°F
20%
7mph
NNW
Cloudy
Humidity
94%
Feels like
36°F
Dew Point
40°F
1 AM
40°F
10%
7mph
NNW
Partly Cloudy
Humidity
94%
Feels like
35°F
Dew Point
39°F
2 AM
39°F
0%
6mph
NNW
Hazy
Humidity
95%
Feels like
34°F
Dew Point
38°F
3 AM
38°F
0%
6mph
NW
Hazy
Humidity
95%
Feels like
34°F
Dew Point
37°F
4 AM
37°F
0%
6mph
NW
Hazy
Humidity
96%
Feels like
33°F
Dew Point
36°F
5 AM
36°F
0%
5mph
NW
Hazy
Humidity
97%
Feels like
32°F
Dew Point
35°F
6 AM
35°F
0%
5mph
WNW
Hazy
Humidity
97%
Feels like
31°F
Dew Point
35°F
7 AM
35°F
0%
5mph
WNW
Hazy
Humidity
97%
Feels like
31°F
Dew Point
34°F
8 AM
35°F
0%
4mph
WNW
Hazy
Humidity
96%
Feels like
31°F
Dew Point
34°F
8:03 AM
9 AM
36°F
0%
4mph
WSW
Partly Cloudy
Humidity
96%
Feels like
33°F
Dew Point
35°F
10 AM
38°F
0%
4mph
WSW
Hazy
Humidity
95%
Feels like
35°F
Dew Point
37°F
11 AM
40°F
0%
4mph
SW
Hazy
Humidity
93%
Feels like
37°F
Dew Point
38°F
12 PM
41°F
0%
5mph
SSW
Sunny
Humidity
90%
Feels like
38°F
Dew Point
38°F
1 PM
42°F
0%
5mph
SSW
Partly Cloudy
Humidity
87%
Feels like
39°F
Dew Point
39°F
2 PM
42°F
0%
6mph
SSW
Mostly Cloudy
Humidity
86%
Feels like
39°F
Dew Point
38°F
3 PM
42°F
0%
6mph
SSW
Cloudy
Humidity
86%
Feels like
38°F
Dew Point
38°F
4 PM
41°F
0%
6mph
S
Cloudy
Humidity
87%
Feels like
36°F
Dew Point
37°F
4:18 PM
5 PM
40°F
10%
6mph
S
Cloudy
Humidity
88%
Feels like
35°F
Dew Point
37°F
6 PM
39°F
10%
7mph
S
Cloudy
Humidity
90%
Feels like
34°F
Dew Point
37°F
7 PM
39°F
0%
7mph
S
Cloudy
Humidity
93%
Feels like
34°F
Dew Point
37°F
8 PM
40°F
10%
7mph
S
Cloudy
Humidity
94%
Feels like
35°F
Dew Point
38°F
9 PM
41°F
10%
8mph
S
Cloudy
Humidity
95%
Feels like
35°F
Dew Point
39°F
10 PM
41°F
10%
8mph
S
Cloudy
Humidity
95%
Feels like
36°F
Dew Point
40°F
11 PM
42°F
20%
9mph
SSW
Mostly Cloudy
Humidity
96%
Feels like
37°F
Dew Point
41°F

Tuesday's Weather Outlook

Today's Weather Outlook

Rain and snow showers will sweep through the Great Lakes as the Western U.S. begins a pattern of quiet and dry weather.

(Image provided by NOAA)

Polar Vortex: What Is It?

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

(Image provided by Pixabay.com)

Before a High Wind Event

Windchill chart

Dangers of Wind Chills

A snow-covered trail in Sparkill, N.Y. (H. Martinez, WeatherBug user)

Top Winter Hiking Destinations

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide