Greenwich, United Kingdom Weather

  1. Greenwich, United Kingdom Weather
  2. Current conditions
  3. Weather forecast
  4. Averages and extremes
  5. Yesterday's Data
  6. Temperature and possibility of rain in Greenwich over the next 12 hours
  7. Temperature and possibility of rain in Greenwich in the coming days
  8. Rainfall in Greenwich in the coming days
  9. Greenwich Weather Summary
  10. Weather averages by month
  11. Greenwich's weather
  12. Frequently asked questions
  13. Comments
Greenwich, Weather
(Photo by Viktor Forgacs on Unsplash)

Current conditions

Updated:
18°C
64.4°F
°C °F

Condition: Slight Rain

Pressure: 1,018 hPa

Feel like: 18 °C

Temperature: 18°C

Cloud: 100%

Humidity: 92%

Wind: WSW - 14 km/h

Visibility: 11.06 km

Weather forecast

Sun
20 Sep
11°C / 20°C
Overcast
Mon
21 Sep
15°C / 22°C
Mainly Clear
Tue
22 Sep
15°C / 20°C
Overcast
Wed
23 Sep
11°C / 18°C
Overcast
Thu
24 Sep
12°C / 20°C
Overcast
Hourly forecast today:
21:00 PM
16° / 18°
16° / 18°
Slight Rain
92% 28 km/h
22:00 PM
16° / 17°
16° / 17°
Moderate Drizzle
90% 29 km/h
23:00 PM
15° / 17°
15° / 17°
Drizzle
87% 25 km/h
00:00 AM
14° / 17°
14° / 17°
Overcast
86% 25 km/h
01:00 AM
14° / 17°
14° / 17°
Overcast
84% 24 km/h
02:00 AM
14° / 16°
14° / 16°
Clear Sky
85% 25 km/h
03:00 AM
13° / 16°
13° / 16°
Mainly Clear
83% 24 km/h
04:00 AM
12° / 15°
12° / 15°
Clear Sky
82% 24 km/h
05:00 AM
12° / 15°
12° / 15°
Clear Sky
83% 20 km/h
06:00 AM
12° / 15°
12° / 15°
Overcast
83% 19 km/h
07:00 AM
11° / 15°
11° / 15°
Overcast
79% 20 km/h

30 Day Averages and Extremes

  • Average high 19.63°C
  • Average low 13.53°C
  • Hottest day 27°C (27 September 2026)
  • Coldest day 0°C (02 October 2026)
  • Average humidity 64.0%
  • Days with precipitation 22 days
  • Highest precipitation 63 mm (07 September 2026)

Yesterday's Data

  • Max: 21°C
  • Min: 17°C
  • Total Precipitation: 2 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 mild weather in Greenwich, with temperatures between 16ºC to 19ºC (60.8ºF to 66.2ºF), consider wearing:
- Light jacket (for cooler periods)
- Scarf (optional)
- Comfortable jeans or slacks
- Long-sleeve shirt or blouse

Temperature

Early
14°C / 17°C
Morning
12°C / 19°C
Afternoon
15°C / 21°C
Evening
16°C / 18°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 439
  • CO 164
  • NH3 0
  • NO2 8
  • O3 63
  • PM10 10
  • PM25 5
  • SO2 0
  • CH4 1,395

Sunrise / Sunset

05:42
18:03