Greenwich, United Kingdom Weather

Greenwich,  Weather
(Photo by Viktor Forgacs on Unsplash)

Current conditions

Updated:
17°C
62.6°F
°C °F

Condition: Partly Cloudy

Pressure: 1,030 hPa

Feel like: 17 °C

Temperature: 17°C

Cloud: 73%

Humidity: 68%

Wind: WSW - 3 km/h

Visibility: 6.22 km

Weather forecast

Wed
23 Sep
11°C / 18°C
Overcast
Thu
24 Sep
13°C / 22°C
Overcast
Fri
25 Sep
14°C / 20°C
Overcast
Sat
26 Sep
16°C / 22°C
Overcast
Sun
27 Sep
15°C / 20°C
Drizzle
Hourly forecast today:
08:00 AM
11° / 17°
11° / 17°
Partly Cloudy
68% 8 km/h
09:00 AM
10° / 18°
10° / 18°
Partly Cloudy
61% 5 km/h
10:00 AM
10° / 19°
10° / 19°
Mainly Clear
54% 5 km/h
11:00 AM
12° / 21°
12° / 21°
Partly Cloudy
57% 10 km/h
12:00 PM
13° / 22°
13° / 22°
Mainly Clear
58% 11 km/h
13:00 PM
13° / 22°
13° / 22°
Mainly Clear
57% 11 km/h
14:00 PM
13° / 23°
13° / 23°
Partly Cloudy
54% 11 km/h
15:00 PM
13° / 23°
13° / 23°
Mainly Clear
51% 12 km/h
16:00 PM
13° / 24°
13° / 24°
Mainly Clear
51% 11 km/h
17:00 PM
13° / 24°
13° / 24°
Partly Cloudy
51% 10 km/h
18:00 PM
12° / 24°
12° / 24°
Overcast
48% 23 km/h

30 Day Averages and Extremes

  • Average high 19.07°C
  • Average low 13.17°C
  • Hottest day 24°C (13 September 2026)
  • Coldest day 0°C (05 October 2026)
  • Average humidity 63.43%
  • Days with precipitation 21 days
  • Highest precipitation 63 mm (07 September 2026)

Yesterday's Data

  • Max: 24°C
  • Min: 16°C
  • Total Precipitation: 0 mm

Temperature and possibility of rain in Greenwich over the next 12 hours

Temperature and possibility of rain in Greenwich in the coming days

Rainfall in Greenwich in the coming days

Greenwich Climate Summary

Greenwich features a Marine west coast, warm summer (Köppen classification: Cfb), with an average annual temperature of 12.02ºC (53.64ºF), which is about 1.27% higher than the national average for United Kingdom. Annually, the city experiences approximately 44.87 millimeters (1.77 inches) of rainfall, spread across 109.83 rainy days, accounting for 30.09% of the year.

Longitude 51.4933675
Latitude 0.0098214
Yearly high temperature 14.46ºC (58.03ºF)
Yearly low temperature 7.63ºC (45.73ºF)
Hottest month July 22.65ºC (72.77ºF)
Coldest month December 3.61ºC (38.5ºF)
Yearly precip 44.87mm (1.77in)
Days with rainfall 109.83 days (30.09%)
Driest month April (76.12%)
Wettest month June (76.2%)

Weather averages by month

Month High / Low (°C) Rain
January 6.77° / 2.25° 9.82 days
February 7.69° / 2.71° 9.09 days
March 10.61° / 3.65° 7.0 days
April 14.22° / 5.57° 7.64 days
May 16.87° / 8.16° 9.64 days
June 19.91° / 11.03° 11.0 days
July 22.65° / 13.71° 11.55 days
August 22.05° / 14.01° 10.18 days
September 19.42° / 11.72° 6.55 days
October 15.12° / 9.31° 9.18 days
November 10.51° / 5.8° 9.0 days
December 7.76° / 3.61° 9.18 days

Greenwich's weather

Frequently asked questions

1. What is the hottest month in Greenwich?

July has the highest average monthly temperature (daily mean of 22.65ºC) and December are the coolest (daily mean of 3.61ºC).

2. What should I wear in Greenwich today?

For today's warm weather in Greenwich, with temperatures between 19ºC to 22ºC (66.2ºF to 71.6ºF), you might consider wearing:
- Sunscreen (if spending time outdoors)
- Cotton or linen fabrics
- Sun hat or cap
- Sunglasses

Temperature

Early
11°C / 17°C
Morning
10°C / 18°C
Afternoon
13°C / 23°C
Evening
12°C / 20°C

Air quality

Moderate

Acceptable air quality, some pollutants present, minor health concerns for sensitive individuals

  • CO2 560
  • CO 324
  • NH3 6
  • NO2 39
  • O3 20
  • PM10 31
  • PM25 20
  • SO2 4
  • CH4 1,980

Sunrise / Sunset

05:47
17:56