Merstham weather — 10-day forecast
Temperature, rain, wind and feels-like in Merstham, hour by hour and over 10 days, with the seasonal normal for context.
Now
Reading from 00:00 · Meteo-France AROME 1.3 km model
15 °C
Clear sky
Next 12 h
- 0015°
- 0114°
- 0213°
- 0312°
- 0411°
- 0511°
- 05:36Sunrise
- 0611°
- 0712°
- 0815°
- 0919°
- 1021°
- 1124°
- 1225°
↓ 11°06:00↑ 25°12:00
- Humidity
- 71 %
- Dew point
- 9 °C
- Gusts
- 5.8 km/h
- Clouds
- 0 %
- Pressure
- 1,022 hPa
Grid point 0.2 km away · 1.3 km grid · elevation 100 m
Air quality
The European air-quality index for the city, and the pollutants that set it.
Index set by PM2.5
- PM2.5
- 11.6µg/m³
- PM10
- 14.8µg/m³
- Ozone
- 42.2µg/m³
- Nitrogen dioxide
- 16.8µg/m³
- Sulphur dioxide
- 2.4µg/m³
- Carbon monoxide
- 146.0µg/m³
- Dust (AOD)
- 0.01
Generated using Copernicus Atmosphere Monitoring Service information
Hour by hour
Step-by-step detail: temperature, wind, cloud cover and ultraviolet.
9 days
Each day's extremes and the chance of rain, out to the end of the run.
Rain probability (> 1 mm): 50 ECMWF ensemble members.
Today
Overcast
27°
11°
Sun
Clear sky
33°
15°
Mon
Mainly clear
28°
15°
Tue
Clear sky
28°
16°
Wed
Partly cloudy
31°
17°
Thu
Clear sky
31°
20°
Fri
Mainly clear
32°
20°
Sat
Light drizzle1 mm
27°
19°
Sun
Light drizzle2 mm
24°
19°
Sun and UV
Sunrise, sunset, day length and ultraviolet intensity.
- Sunrise
- 05:36
- Daylight
- 15 h 00
- Sunset
- 20:36
Radiation · 23.7 MJ/m²
Sea state
Sea state at the marine grid point closest to the city.
Significant height: the mean of the highest third of waves. Individual waves reach about twice it.
Data: ECMWF
Today in Merstham the mean temperature will be 19.8 °C — +2.7 °C against the normal for 8 August, measured from 1940 to 2026. (1,290 obs.)