🇬🇧 Weather in Harlow
Map Overlays:
Hourly Forecast for Harlow
04:00
20°
24%
05:00
20°
24%
06:00
20°
25%
07:00
20°
61%
08:00
20°
44%
09:00
19°
65%
10:00
18°
68%
11:00
16°
26%
12:00
16°
25%
13:00
19°
36%
14:00
20°
13%
15:00
20°
11%
16:00
19°
11%
17:00
19°
11%
18:00
19°
11%
19:00
18°
11%
20:00
17°
2%
21:00
16°
4%
22:00
15°
4%
23:00
14°
6%
00:00
14°
7%
01:00
13°
8%
02:00
13°
23%
03:00
12°
24%
14-Day Forecast for Harlow
2026-09-04
Overcast
20° /
14°
2026-09-05
Sunny
21° /
12°
2026-09-06
Overcast
25° /
15°
2026-09-07
Overcast
22° /
15°
2026-09-08
Sunny
20° /
13°
2026-09-09
Sunny
20° /
10°
2026-09-10
Patchy rain nearby
18° /
12°
Additional Forecasts for Harlow
Air Quality
💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 106.0 μg/m³
O₃ (Ozone) 34.0 μg/m³
NO₂ (Nitrogen Dioxide) 4.0 μg/m³
SO₂ (Sulphur Dioxide) 0.3 μg/m³
PM2.5 (Fine particles) 3.1 μg/m³
PM10 (Coarse particles) 5.3 μg/m³
Historical Weather
Weather Forecasts for Other Cities in United Kingdom
Weather in Harlow — FAQ
Answers refreshed each request based on current conditions in Harlow.
What is the weather like right now in Harlow?
Right now in Harlow, United Kingdom the temperature is 18.2°C (feels like 14.6°C), with overcast. Relative humidity is 87% and wind is 29.2 km/h.
What is today's high and low temperature in Harlow?
Today's forecast high in Harlow is 20.0°C and the overnight low is 13.9°C. The diurnal range — high minus low — depends on cloud cover; clear days swing more than overcast ones.
Will it rain in Harlow today?
The chance of precipitation in Harlow today is 67%. Forecast accuracy is highest within the next 6 hours and decreases steadily out to 14 days.
How often does the weather here update?
Current observations refresh every 15-60 minutes from the nearest monitoring stations operated by national meteorological agencies. The hourly forecast updates approximately every hour; the 7- and 14-day outlook is recomputed several times per day.
What does 'feels like' temperature mean?
Feels-like (apparent) temperature accounts for humidity, wind chill and direct sunshine — variables that change how the human body perceives heat or cold. On hot, humid days it can be 3-7°C above the actual reading; on cold windy days it can be 5-15°C below.
Why does the temperature in Harlow differ from nearby cities?
Even short distances can change temperatures noticeably. Harlow's reading reflects altitude, proximity to large bodies of water, urban heat island effects, and the exact location of the monitoring stations supplying the data. Coastal cities are typically milder and more humid than inland equivalents.