Hourly Weather Forecast - Harrow, Harrow, GB

12 AM
43°F
40%
8mph
SE
40% Chance of Light Rain
Humidity
94%
Feels like
39°F
Dew Point
41°F
1 AM
43°F
40%
7mph
ESE
40% Chance of Light Rain
Humidity
96%
Feels like
38°F
Dew Point
42°F
2 AM
42°F
30%
7mph
ESE
30% Chance of Light Rain
Humidity
98%
Feels like
38°F
Dew Point
41°F
3 AM
42°F
30%
7mph
ESE
30% Chance of Light Rain
Humidity
98%
Feels like
37°F
Dew Point
41°F
4 AM
41°F
30%
7mph
ESE
30% Chance of Light Rain
Humidity
99%
Feels like
37°F
Dew Point
41°F
5 AM
41°F
30%
7mph
ESE
30% Chance of Light Rain
Humidity
98%
Feels like
37°F
Dew Point
41°F
6 AM
42°F
40%
7mph
ESE
40% Chance of Light Rain
Humidity
98%
Feels like
37°F
Dew Point
42°F
7 AM
43°F
40%
8mph
E
40% Chance of Light Rain
Humidity
100%
Feels like
38°F
Dew Point
43°F
8 AM
44°F
40%
8mph
E
40% Chance of Light Rain
Humidity
98%
Feels like
40°F
Dew Point
44°F
8:04 AM
9 AM
46°F
30%
8mph
E
30% Chance of Light Rain
Humidity
97%
Feels like
41°F
Dew Point
45°F
10 AM
47°F
30%
8mph
ESE
30% Chance of Light Rain
Humidity
96%
Feels like
43°F
Dew Point
46°F
11 AM
48°F
30%
7mph
ESE
30% Chance of Light Rain
Humidity
94%
Feels like
44°F
Dew Point
46°F
12 PM
48°F
30%
7mph
ESE
30% Chance of Light Rain
Humidity
93%
Feels like
45°F
Dew Point
46°F
1 PM
48°F
20%
7mph
ESE
Cloudy
Humidity
92%
Feels like
45°F
Dew Point
46°F
2 PM
48°F
20%
6mph
ESE
Cloudy
Humidity
93%
Feels like
45°F
Dew Point
46°F
3 PM
47°F
20%
6mph
ESE
Cloudy
Humidity
94%
Feels like
44°F
Dew Point
45°F
3:53 PM
4 PM
47°F
20%
6mph
ESE
Cloudy
Humidity
95%
Feels like
44°F
Dew Point
45°F
5 PM
47°F
20%
5mph
ESE
Cloudy
Humidity
95%
Feels like
44°F
Dew Point
46°F
6 PM
47°F
20%
5mph
SE
Cloudy
Humidity
94%
Feels like
45°F
Dew Point
45°F
7 PM
47°F
10%
5mph
SE
Mostly Cloudy
Humidity
93%
Feels like
44°F
Dew Point
45°F
8 PM
47°F
10%
5mph
SE
Mostly Cloudy
Humidity
93%
Feels like
44°F
Dew Point
45°F
9 PM
47°F
10%
5mph
ESE
Mostly Cloudy
Humidity
94%
Feels like
45°F
Dew Point
45°F
10 PM
47°F
10%
5mph
ESE
Mostly Cloudy
Humidity
96%
Feels like
44°F
Dew Point
46°F
11 PM
46°F
10%
5mph
ESE
Foggy
Humidity
99%
Feels like
43°F
Dew Point
46°F

Rainfall and Snowfall Totals Through Wednesday

Heavy Rain, Snow, and Winds Wallop Northwest

The atmospheric river this week continues to hit the Pacific Northwest with heavy rain, snow, and high winds.

Tuesday's Weather Outlook

Today'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

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide