Hourly Weather Forecast - Hemel Hempstead, Hertfordshire, GB

12 AM
43°F
30%
9mph
NE
30% Chance of Light Rain
Humidity
100%
Feels like
38°F
Dew Point
43°F
1 AM
43°F
30%
10mph
NE
30% Chance of Light Rain
Humidity
100%
Feels like
37°F
Dew Point
43°F
2 AM
42°F
30%
11mph
ENE
30% Chance of Light Rain
Humidity
100%
Feels like
36°F
Dew Point
42°F
3 AM
42°F
30%
11mph
ENE
30% Chance of Light Rain
Humidity
100%
Feels like
36°F
Dew Point
42°F
4 AM
42°F
30%
11mph
ENE
30% Chance of Light Rain
Humidity
100%
Feels like
36°F
Dew Point
42°F
5 AM
42°F
20%
11mph
ENE
Foggy
Humidity
100%
Feels like
36°F
Dew Point
42°F
6 AM
42°F
20%
11mph
ENE
Foggy
Humidity
100%
Feels like
35°F
Dew Point
42°F
7 AM
42°F
20%
11mph
ENE
Foggy
Humidity
100%
Feels like
35°F
Dew Point
42°F
8 AM
42°F
20%
11mph
ENE
Foggy
Humidity
100%
Feels like
36°F
Dew Point
42°F
8:07 AM
9 AM
43°F
20%
11mph
ENE
Foggy
Humidity
100%
Feels like
37°F
Dew Point
43°F
10 AM
44°F
30%
11mph
NE
30% Chance of Light Rain
Humidity
99%
Feels like
38°F
Dew Point
44°F
11 AM
44°F
30%
11mph
NE
30% Chance of Light Rain
Humidity
97%
Feels like
39°F
Dew Point
44°F
12 PM
45°F
30%
11mph
NE
30% Chance of Light Rain
Humidity
95%
Feels like
39°F
Dew Point
44°F
1 PM
45°F
30%
12mph
NE
30% Chance of Light Rain
Humidity
94%
Feels like
39°F
Dew Point
43°F
2 PM
44°F
20%
12mph
NE
Mostly Cloudy
Humidity
96%
Feels like
38°F
Dew Point
43°F
3 PM
43°F
10%
13mph
NE
Mostly Cloudy
Humidity
97%
Feels like
36°F
Dew Point
42°F
3:54 PM
4 PM
42°F
10%
13mph
NE
Mostly Cloudy
Humidity
97%
Feels like
35°F
Dew Point
42°F
5 PM
42°F
20%
13mph
NE
Mostly Cloudy
Humidity
96%
Feels like
35°F
Dew Point
41°F
6 PM
41°F
20%
12mph
NE
Mostly Cloudy
Humidity
97%
Feels like
34°F
Dew Point
40°F
7 PM
41°F
20%
12mph
NE
Mostly Cloudy
Humidity
97%
Feels like
34°F
Dew Point
40°F
8 PM
41°F
20%
11mph
NE
Partly Cloudy
Humidity
97%
Feels like
35°F
Dew Point
40°F
9 PM
41°F
20%
11mph
NE
Partly Cloudy
Humidity
97%
Feels like
35°F
Dew Point
41°F

Rainfall and Snowfall Totals Through Thursday

Flooding Rain, Heavy Snow and Winds Slam Northwest, North-Central U.S.

The atmospheric river this week will keep buffeting the Pacific Northwest with heavy rain, snow, and high winds.

Thursday's Weather Outlook

Thursday's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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