Letchworth Garden City

Hertfordshire, England, United Kingdom

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Current Weather

18°

Mostly Cloudy

Feels Like: 17°

Min: 12°

Max: 19°

The next few hours will be mostly cloudy, with today reaching 19°C and dropping to 13°C. The coming days will be clear

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Compare today's weather with yesterday's data and track temperature trends over time.

Hourly Forecast

17° 18° 19° 18° 18° 17° 15° 15° 14° 14° 13° 13° 13° 13° 13° 13° 13° 14° 14° 14° 15° 16° 18° 19°
46%
46%
46%
2pm
3pm
4pm
5pm
6pm
7pm
8pm
9pm
10pm
11pm
12am
1am
2am
3am
4am
5am
6am
7am
8am
9am
10am
11am
12pm
1pm
Today
Tomorrow

Daylight Hours

06:45

Sunrise

19:04

Sunset

12 hours 18 minutes of sunlight today

Moon

Waxing Crescent

13:21

Moonrise

20:38

Moonset

Daily Forecast

Today

12°
19°

Thursday

12°
19°

Friday

10°
18°

Saturday

15°
19°

Sunday

12°
17°

Monday

18°

Tuesday

20°

Wednesday

12°
21°

Thursday

10°
21°

Friday

12°
19°

Air Quality Data Available

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UV Index

Wear sunscreen
3 Moderate
Low Extreme

Humidity

59% Comfortable
Low High

Weather in Letchworth Garden City today, September 16, 2026

Letchworth Garden City looks cloudy on September 16, 2026, with grey skies for much of the day. Sunshine stays limited, so the overall tone is muted from the morning onward.

Temperatures climb from an overnight low near 12°C toward a daytime high of about 19°C. Relative humidity sits between 53% and 75%, reaching its peak around 23:00. Expect gentle winds, highest near 16:00 at 4.8 km/h.

Through the afternoon cloud remains the main feature, with cover near 100% around 17:00. Bright spells should stay limited even as the day wears on. Horizontal visibility sits around 39.6 km, briefly nearer 35.5 km. Expect sunrise at 06:45, sunset at 19:04, and 12 hours 18 minutes of sunlight today overall.

Taken together, overcast skies in Letchworth Garden City on September 16, 2026 favour indoor or covered options, with temperatures near 19°C.

Frequently asked questions about weather in Letchworth Garden City

How warm does it get in Letchworth Garden City?

The warmest month in Letchworth Garden City is July, with average high temperatures of 23°C. The average temperature during this period is around 18°C.

How cold does it get in Letchworth Garden City?

The coldest month in Letchworth Garden City is January, with average low temperatures of 2°C. The average temperature during this period is around 5°C.

What is the wettest time of year in Letchworth Garden City?

The wettest month in Letchworth Garden City is October, with an average of 74mm of precipitation.

What is the driest time of year in Letchworth Garden City?

The driest month in Letchworth Garden City is April, with an average of 43mm of precipitation.

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Metric (°C, km/h)