Hourly Weather Forecast - Hemel Hempstead, Hertfordshire, GB

12 AM
41°F
0%
5mph
SSW
Foggy
Humidity
99%
Feels like
38°F
Dew Point
41°F
1 AM
41°F
0%
5mph
SSW
Foggy
Humidity
99%
Feels like
37°F
Dew Point
40°F
2 AM
40°F
0%
4mph
S
Foggy
Humidity
100%
Feels like
37°F
Dew Point
40°F
3 AM
40°F
0%
5mph
S
Foggy
Humidity
100%
Feels like
37°F
Dew Point
40°F
4 AM
41°F
0%
5mph
S
Foggy
Humidity
100%
Feels like
37°F
Dew Point
41°F
5 AM
41°F
0%
5mph
S
Foggy
Humidity
100%
Feels like
37°F
Dew Point
41°F
6 AM
41°F
0%
5mph
S
Foggy
Humidity
100%
Feels like
38°F
Dew Point
41°F
7 AM
41°F
0%
5mph
S
Foggy
Humidity
100%
Feels like
38°F
Dew Point
41°F
8 AM
42°F
0%
4mph
S
Foggy
Humidity
100%
Feels like
39°F
Dew Point
42°F
8:05 AM
9 AM
43°F
0%
5mph
SSE
Mostly Cloudy
Humidity
98%
Feels like
40°F
Dew Point
43°F
10 AM
45°F
0%
6mph
SSE
Mostly Cloudy
Humidity
98%
Feels like
41°F
Dew Point
44°F
11 AM
46°F
0%
6mph
SSE
Mostly Cloudy
Humidity
95%
Feels like
43°F
Dew Point
45°F
12 PM
47°F
0%
7mph
S
Partly Cloudy
Humidity
92%
Feels like
44°F
Dew Point
45°F
1 PM
47°F
0%
7mph
SSE
Partly Cloudy
Humidity
92%
Feels like
44°F
Dew Point
45°F
2 PM
47°F
0%
7mph
SSE
Partly Cloudy
Humidity
91%
Feels like
43°F
Dew Point
44°F
3 PM
46°F
0%
6mph
SSE
Partly Cloudy
Humidity
90%
Feels like
42°F
Dew Point
43°F
3:53 PM
4 PM
45°F
0%
6mph
SSE
Partly Cloudy
Humidity
91%
Feels like
41°F
Dew Point
42°F
5 PM
44°F
0%
6mph
SSE
Partly Cloudy
Humidity
93%
Feels like
40°F
Dew Point
42°F
6 PM
42°F
0%
6mph
SE
Partly Cloudy
Humidity
94%
Feels like
39°F
Dew Point
41°F
7 PM
42°F
10%
6mph
SE
Partly Cloudy
Humidity
95%
Feels like
38°F
Dew Point
40°F
8 PM
41°F
10%
6mph
SE
Partly Cloudy
Humidity
97%
Feels like
38°F
Dew Point
40°F
9 PM
41°F
10%
5mph
SE
Partly Cloudy
Humidity
97%
Feels like
38°F
Dew Point
40°F
10 PM
41°F
20%
5mph
SE
Foggy
Humidity
99%
Feels like
38°F
Dew Point
41°F
11 PM
41°F
20%
5mph
SE
Partly Cloudy
Humidity
98%
Feels like
38°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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