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:
20°C
68.0°F
°C °F

Condition: Overcast

Pressure: 1,011 hPa

Feel like: 19 °C

Temperature: 20°C

Cloud: 84%

Humidity: 76%

Wind: WSW - 16 km/h

Visibility: 24.42 km

Weather forecast

Thu
06 Aug
15°C / 22°C
Overcast
Fri
07 Aug
17°C / 25°C
Overcast
Sat
08 Aug
19°C / 29°C
Overcast
Sun
09 Aug
16°C / 27°C
Overcast
Mon
10 Aug
19°C / 28°C
Overcast
Hourly forecast today:
07:00 AM
15° / 20°
15° / 20°
Overcast
76% 31 km/h
08:00 AM
15° / 21°
15° / 21°
Partly Cloudy
69% 33 km/h
09:00 AM
12° / 21°
12° / 21°
Overcast
56% 38 km/h
10:00 AM
12° / 22°
12° / 22°
Overcast
53% 39 km/h
11:00 AM
9° / 22°
9° / 22°
Mainly Clear
44% 43 km/h
12:00 PM
7° / 23°
7° / 23°
Mainly Clear
36% 42 km/h
13:00 PM
6° / 24°
6° / 24°
Mainly Clear
31% 43 km/h
14:00 PM
5° / 24°
5° / 24°
Mainly Clear
29% 44 km/h
15:00 PM
5° / 24°
5° / 24°
Mainly Clear
29% 46 km/h
16:00 PM
5° / 24°
5° / 24°
Partly Cloudy
30% 46 km/h
17:00 PM
5° / 23°
5° / 23°
Partly Cloudy
32% 42 km/h

30 Day Averages and Extremes

  • Average high 24.67°C
  • Average low 16.23°C
  • Hottest day 33°C (28 July 2026)
  • Coldest day 0°C (18 August 2026)
  • Average humidity 47.93%
  • Days with precipitation 13 days
  • Highest precipitation 17 mm (30 July 2026)

Yesterday's Data

  • Max: 24°C
  • Min: 18°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 18ºC to 21ºC (64.4ºF to 69.8ºF), you might consider wearing:
- Sun hat or cap
- Sunscreen (if spending time outdoors)
- Light, breathable socks
- Cotton or linen fabrics

Temperature

Early
15°C / 19°C
Morning
12°C / 21°C
Afternoon
5°C / 24°C
Evening
8°C / 19°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 438
  • CO 136
  • NH3 1
  • NO2 8
  • O3 58
  • PM10 8
  • PM25 4
  • SO2 0
  • CH4 1,378

Sunrise / Sunset

04:31
19:39