5-day weather forecast Sefton 18-08-2026

Weather forecast Sefton tomorrow 18.08.2026: patchy rain possible, temperature from 25 °C to 26 °C.

Precipitation probability 32%. Wind up to 6.39 m/s (gusts 6.92 m/s). Air humidity 80–83%, atmospheric pressure 761–764 mm Hg, UV index up to 3.6.

Sunrise 06:31
Sunset 17:28
First Quarter37% illuminated
Moonrise 09:18 · Moonset 23:28
Chart
Table

Forecast from 25 °C to 26 °C and precipitation

Temperature & Precipitation
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Temperature (°C)252525252525252525252526262626262626262626262525
Precipitation (mm/hr)0.040.010.020.010.050.01000.030.010.030.0100.010.0100.010.050.030.18000.040

Cloud cover and precipitation probability

Cloud cover & Rain chance
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Cloud cover (%)867783748682008380708867485281777275215720
Rain chance (%)2520231926219924212122101921921232132910219

Wind speed and direction

Wind & Wind gust
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Wind (m/s)55.315.194.614.394.54.394.3955.195.395.194.895.115.115.195.6166.3166.316.316.396.31
Wind gust (m/s)5.645.815.725.114.924.925.225.195.55.55.815.615.335.425.425.425.646.226.56.536.836.866.926.83
Wind direction (°)ESE 104°ESE 112°ESE 117°ESE 111°ESE 104°SE 125°ESE 122°ESE 107°E 96°E 97°ESE 105°ESE 104°ESE 102°ESE 103°ESE 106°ESE 106°ESE 105°ESE 106°ESE 109°ESE 108°ESE 109°ESE 112°ESE 110°ESE 110°

Air humidity

Humidity
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Humidity (%)838282828282818182828281818181818181828281818080

Atmospheric pressure

Pressure
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Pressure (mm Hg)762762761761761762762762762763763763763762762762762762762763763764763763

Ultraviolet index

UV Index
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
UV Index00000000.10.51.52.83.53.63.32.11.40.50000000

Air quality & pollen

Air quality
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
PM2.5 (µg/m³)10.49.35.45.85.85.97.51011.710.37.16.96.76.66.56.47.112.518.826.232.838.442.142.6
PM10 (µg/m³)11.610.45.96.26.26.48.110.812.611.59.39.39.28.98.68.59.415.921.929.536.141.244.444.6
Ozone (O₃) (µg/m³)27292827252321233142515658596060554224117775
NO₂ (µg/m³)16.513.311.310.29.810.912.913.912.810.89.18.27.77.676.810.521.937.147.749.546.844.143.5
SO₂ (µg/m³)4.63.93.53.33.33.544.55.36.16.45.74.53.73.43.445.88.210.211.612.712.610.7
CO (µg/m³)13011699807178951051039487837978737190148228295341375387367

Sefton on the map

Data Sources & Methodology

Our weather forecasts are powered by a professional weather data provider that aggregates data from national weather services, satellite observations, radar networks, and over 80,000 weather stations worldwide. Forecast data is updated multiple times daily. We convert raw data into clear summaries — wind speed in m/s, pressure in mmHg — so you can plan your day with confidence.